CN110426734A

CN110426734A - A kind of exploitation method, equipment and the system of garden basin lithologic deposit

Info

Publication number: CN110426734A
Application number: CN201910536456.2A
Authority: CN
Inventors: 吕传炳; 付亮亮; 李昆; 黄志佳
Original assignee: China Petroleum and Natural Gas Co Ltd
Current assignee: China Petroleum and Natural Gas Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2019-11-08
Anticipated expiration: 2039-06-20
Also published as: CN110426734B

Abstract

The present invention provides exploitation method, system, computer equipment and the computer readable storage mediums of a kind of garden basin lithologic deposit, are related to lithological reservoir exploration technical field.This method includes the target series of strata oil-gas Layer that oil-gas reservoir has been developed in dissection, and division obtains multiple oil-gas reservoir units；The corresponding reservoiring mechanism information of oil-gas reservoir unit is determined according to the oil-gas reservoir unit；The oil-gas reservoir unit is analyzed according to reservoiring mechanism information multilayer system, determines the Enrichment Mode information of multiple stock；Play assessment is carried out according to the reservoiring mechanism information and Enrichment Mode information, predicts the exploration trend of lithologic deposit.The present invention solves the garden basin of sequence stratigraphy and conventional reservoir Predicting Technique in the high degree of prospecting stage and finds the not applicable technical problem of middle-size and small-size lithologic deposit, lays a good foundation for the exploitation of such lithologic deposit Efficient Exploration.

Description

A kind of exploitation method, equipment and the system of garden basin lithologic deposit

Technical field

The present invention is about lithological reservoir exploration technical field, especially with regard to garden basin lithologic deposit fine granularing scalability Technology, be concretely a kind of high degree of prospecting stage garden basin multiple oil and gas accumulation zone lithologic deposit exploitation method, System, computer equipment and computer readable storage medium.

Background technique

According to Bohai gulf basin multiple oil and gas accumulation zone exploration theory, in garden basin, since Block Faulting is strong, rock Property lithofacies variation greatly, overlap of beds and sedimentary break are more, on second configuration band development multiple types trap, the different type of formation Oil-gas reservoir is distributed at band in groups, and different series of strata oil-gas reservoirs are stacked in flakes, such oily band, referred to as multiple oil and gas accumulation zone.

During garden basin multiple oil and gas accumulation zone exploration and development, often oil-gas reservoir unit dissection and analysis is paid attention to not It is enough, but multiple stock is studied as single oil-gas reservoir, to cause geological knowledge deeply or there are mistaken ideas.Exploration Stage is limited by the data of acquirement and understanding, and research object is mainly oil-bearing series or oily group, and what is actually studied is heavy wool gas The assemblage characteristic of hiding.The result of this combination superposition largely masks real Oil Reservoir Types, reservoiring mechanism and control Factor, the geological knowledge obtained are often that macroscopic law is in the main true, and microcosmic mechanism is unclear；Structural deposit understanding is calibrated Really, Stratigraphic reservoir understanding is not goed deep into.China Main Fault Depressions basin is right after it experienced long-term work of exploration and development It is very high in construction class oil reservoir understanding and degree of prospecting, and stratigraphic-lithologic reservo-irs awareness is relatively low, is residual production potential Main body, the preservation underground in the form of compound oil reservoir is not deep to its reservoiring mechanism and enrichment discipline research, not yet forms a set of row Effective oil prospecting method.

Current formation lithological pool mainstream research method has sequence stratigraphy and conventional reservoir inversion technique.Sequence stratigraphy In the Men Xue that the late 1980s is founded and grown up in research passive continental margin marine deposit by Vail etc. Section provides a kind of new prediction analysis method in terms of the trap identifications such as reservoir prediction and stratum, lithology, is extensive lithology The exploration of oil-gas reservoir is laid a good foundation.This method depositional trap prediction extensive for marine deposit is with strong applicability, and for Continental basins, the middle and small scale stratigraphic-hthologic trap applicability that fluviolacustrine deposit is formed are poor.Conventional reservoir inversion technique passes through ground Shake, well-log information are that geological model is established in constraint, carry out model to impedance initial value result with data such as well logging, earthquake, geology It examines, utilizes model inversion prediction of result reservoir plane distribution.By continental reservoir small scale, mutually becoming faster provides with common seismic The not high factor limitation of item matter, in addition to a small amount of large-scale depositional trap, precision of prediction is not high, simultaneously as lack accordingly at Theory support is hidden, single technology hardly results in satisfied application effect.The related lithological reservoir exploration method delivered on document, What is said is specific block, single technology, limits popularization and application；What is said is theory, thinking and principle, is had everywhere Oil is had no way of doing it, and operability is not strong.

Therefore, how a kind of new scheme is provided, is explored with solving sequence stratigraphy and conventional reservoir Predicting Technique in height It is that this field technology urgently to be resolved is difficult that it is not applicable that middle-size and small-size lithologic deposit is found in the multiple oil and gas accumulation zone in degree stage Topic.

Summary of the invention

In view of this, the embodiment of the invention provides a kind of explorations of garden basin multiple oil and gas accumulation zone lithologic deposit Method, system, computer equipment and computer readable storage medium solve sequence stratigraphy and conventional reservoir Predicting Technique The not applicable technical problem of middle-size and small-size lithologic deposit is found in the multiple oil and gas accumulation zone in high degree of prospecting stage, is such The exploitation of lithologic deposit Efficient Exploration is laid a good foundation.

It is an object of the invention to provide a kind of exploitation methods of garden basin lithologic deposit, comprising:

The target series of strata oil-gas Layer of oil-gas reservoir has been developed in dissection, and division obtains multiple oil-gas reservoir units；

The corresponding reservoiring mechanism information of oil-gas reservoir unit is determined according to the oil-gas reservoir unit；

The oil-gas reservoir unit is analyzed according to reservoiring mechanism information multilayer system, determines the Enrichment Mode letter of multiple stock Breath；

Play assessment is carried out according to the reservoiring mechanism information and Enrichment Mode information, predicts the exploration of lithologic deposit Direction.

It is an object of the invention to provide a kind of exploration systems of garden basin lithologic deposit, comprising:

Oil-gas reservoir dividing elements module, for dissecting the target series of strata oil-gas Layer for having developed oil-gas reservoir, division obtains multiple Oil-gas reservoir unit；

Reservoiring mechanism determining module, for determining the corresponding reservoiring mechanism of oil-gas reservoir unit according to the oil-gas reservoir unit Information；

Enrichment Mode determining module determines multiple for analyzing the oil-gas reservoir unit according to reservoiring mechanism information multilayer system The Enrichment Mode information of formula oil-gas reservoir；

Exploration trend determining module is commented for carrying out zone according to the reservoiring mechanism information and Enrichment Mode information Valence predicts the exploration information of lithologic deposit.

It is an object of the invention to provide a kind of computer equipments, comprising: be adapted for carrying out each instruction processor and Equipment is stored, the storage equipment is stored with a plurality of instruction, and described instruction is suitable for being loaded by processor and executing a kind of compound oil The exploitation method of gas accumulation zone lithologic deposit.

It is an object of the invention to provide a kind of computer readable storage mediums, are stored with computer program, the meter Calculation machine program is used to execute a kind of exploitation method of garden basin multiple oil and gas accumulation zone lithologic deposit.

The beneficial effects of the present invention are provide a kind of exploitation method of multiple oil and gas accumulation zone lithologic deposit, be System, computer equipment and computer readable storage medium are being dissected to having developed oil-gas reservoir, and identification divides oil-gas reservoir list On the basis of member, carries out different type oil-gas reservoir unit accumulating condition and mechanism study, determine multiple stock reservoiring mechanism, benefit Carry out phased reservoir prediction with seismic data and well-log information, specifies region sandbody distribution, relative configurations figure and sedimentary facies Figure coincides, and predicts the advantageous development area of depositional trap；Oil-gas reservoir Enrichment Mode, multilayer system, Objective Comprehensive Evaluation Method have been developed in analogy Determine that Target For Drilling, preferably calibration well location implement probing.

For above and other objects, features and advantages of the invention can be clearer and more comprehensible, preferred embodiment is cited below particularly, And cooperate institute's accompanying drawings, it is described in detail below.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of the exploration system of garden basin lithologic deposit provided in an embodiment of the present invention；

Fig. 2 is that oil-gas reservoir unit is drawn in a kind of exploration system of garden basin lithologic deposit provided in an embodiment of the present invention The structural schematic diagram of sub-module；

Fig. 3 is that microfacies distribution map is true in a kind of exploration system of garden basin lithologic deposit provided in an embodiment of the present invention The structural schematic diagram of cover half block；

Fig. 4 is that reservoiring mechanism determines in a kind of exploration system of garden basin lithologic deposit provided in an embodiment of the present invention The structural schematic diagram of module；

Fig. 5 is that Enrichment Mode determines in a kind of exploration system of garden basin lithologic deposit provided in an embodiment of the present invention The structural schematic diagram of module；

Fig. 6 is that exploration trend determines in a kind of exploration system of garden basin lithologic deposit provided in an embodiment of the present invention The structural schematic diagram of module；

Fig. 7 is a kind of embodiment two of the exploration system of garden basin lithologic deposit provided in an embodiment of the present invention Structural schematic diagram；

Fig. 8 is that trap Favorable Areas is true in a kind of exploration system of garden basin lithologic deposit provided in an embodiment of the present invention The structural schematic diagram of cover half block；

Fig. 9 is prospect pit well location calibration in a kind of exploration system of garden basin lithologic deposit provided in an embodiment of the present invention The structural schematic diagram of module；

Figure 10 is a kind of flow chart of the exploitation method of garden basin lithologic deposit provided in an embodiment of the present invention；

Figure 11 is the specific flow chart of the step S101 in Figure 10；

Figure 12 is the specific flow chart of the step S202 in Figure 11；

Figure 13 is the specific flow chart of the step S102 in Figure 10；

Figure 14 is the specific flow chart of the step S103 in Figure 10；

Figure 15 is the specific flow chart of the step S104 in Figure 10；

Figure 16 is a kind of embodiment two of the exploitation method of garden basin lithologic deposit provided in an embodiment of the present invention Flow chart；

Figure 17 is the specific flow chart of the step S105 in Figure 16；

Figure 18 is the specific flow chart of the step S106 in Figure 16；

Figure 19 is multiple oil and gas accumulation zone oil area overlapping figure in specific embodiment provided by the invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

One skilled in the art will appreciate that embodiments of the present invention can be implemented as a kind of system, device, method or calculating Machine program product.Therefore, disclose can be with specific implementation is as follows by the present invention, it may be assumed that complete hardware, complete software (packet Include firmware, resident software, microcode etc.) or hardware and software combine form.

Below with reference to several representative embodiments of the invention, the principle and spirit of the present invention are explained in detail.

In order to deepen research needs, the present invention further defines the concept of multiple stock and oil-gas reservoir unit, specifically It is as follows:

On the local structure of multiple oil and gas accumulation zone, same series of strata or oil group often have multiple cause conditions it is similar, stream System system oil-gas reservoir monomer independent is accompanied, and more hiding set, which are formed, to be enriched with, and such oil-gas reservoir aggregate is referred to as For multiple stock, and the monomer oil gas hiding with separate stream system is defined as oil-gas reservoir unit.

It can be seen that the concept of oil-gas reservoir unit from above-mentioned definition and the oil-gas reservoir of Petroleum Geology Theory define complete one It causes, there is specific cause condition and essential attribute, be the necessary basis for studying multiple stock feature and formation mechenism.And it answers Formula oil-gas reservoir is then broad sense oil-gas reservoir made of the different type oil-gas reservoir unit set as genetic facies in same series of strata, has allusion quotation More hiding features of type, oil-water system is complicated, is the main target of oil-gas exploration stage research.

According to inventor in recent years to Bohai gulf basin Jingzhong depression third system reservoir research, pass through oil-gas reservoir unit Dissection and analysis, fault block (construction) oil-gas reservoir of early detection, the overwhelming majority are the compound oil gas that heavy wool gas reservoir unit set is formed Hiding, in addition to a small amount of oil-gas reservoir unit is structural deposit, most of oil-gas reservoir units are lithology or construction lithologic deposit, at hiding Condition and former structural deposit understanding difference are larger, and trap condition is remarkable to be controlled by former structural trap, but by settling sand Body lapout and tectonic setting configure to form independent lithology or construction depositional trap.It was verified that being formed in structural trap Different establish a capital be structural deposit, in turn in the case where no structural trap, as long as tectonic setting, sedimentary system, oil Source condition, which effectively configures, may form lithology, construction lithologic deposit, originally the unfavorable area that thinks of construction oil prospecting method and blind Area is all likely to become Favorable Areas, has expanded oil prospecting field significantly.Exploration simultaneously forms a set of based on the analysis of oil-gas reservoir unit Lithology, the construction lithological reservoir exploration scheme of line, to implement new one in the multiple oil and gas accumulation zone of high exploration and development degree Fine granularing scalability is taken turns, targeted technical support is provided.

Specifically, the present invention provides a kind of exploration system of multiple oil and gas accumulation zone lithologic deposit, Fig. 1 is the exploration system The structural schematic diagram of system, referring to Figure 1, the exploration system of the multiple oil and gas accumulation zone lithologic deposit includes:

Oil-gas reservoir dividing elements module 100, for dissecting the target series of strata oil-gas Layer for having developed oil-gas reservoir, division obtains more A oil-gas reservoir unit.Multiple stock is accompanied by multiple oil-gas reservoir units, longitudinally superimposed, level-crossing, distribution relation Complexity, the accurate oil-gas reservoir unit that divides is the basis for studying multiple stock reservoiring mechanism and geologic feature.

In one embodiment of the invention, system further include: geologic information obtains module, for obtaining the mesh Mark the geologic information in oil field；

Oil-gas Layer chooses module, for selecting the destination layer for having developed oil-gas reservoir in zone according to the geologic information It is oil-gas Layer.

That is, needing to select in zone first against target series of strata before the implementation of oil-gas reservoir dividing elements module Development block has comparatively perfect well pattern, in favor of carrying out the research of oil-gas reservoir dividing elements.

Reservoiring mechanism determining module 200, for determining that oil-gas reservoir unit is corresponding at hiding according to the oil-gas reservoir unit Mechanistic information；

Enrichment Mode determining module 300 is determined for analyzing the oil-gas reservoir unit according to reservoiring mechanism information multilayer system The Enrichment Mode information of multiple stock；

Exploration trend determining module 400, for carrying out zone according to the reservoiring mechanism information and Enrichment Mode information Evaluation, predicts the exploration information of lithologic deposit.

Fig. 2 is the structural schematic diagram of the oil-gas reservoir dividing elements module 100 of the embodiment of the present invention, referring to Fig. 2, oil-gas reservoir Dividing elements module includes:

Substratum structural map establishes module 110, for carrying out fine Strata Comparison and detail stratigraphic division for multiple target series of strata, It determines that each well bores and meets oil reservoir and offset well corresponding relationship, and establish layer data table, establishment main force's oil-containing substratum structural map；

It is micro- to obtain oil-bearing sand bodies deposition for selecting oil-bearing sand bodies to carry out sedimentary micro for microfacies distribution map determining module 120 Phase distribution map.Fig. 3 is the structural schematic diagram of the microfacies distribution map determining module 120 of the embodiment of the present invention, referring to Fig. 3, microfacies Distribution map determining module 120 includes:

Sedimentation type determining module 121, for determining sedimentation type according to core and well logging phase character；

Depositional model establishes module 122, for establishing depositional model according to sedimentation type；

Microfacies distribution map compiling module 123, for working out oil-bearing sand bodies sedimentary micro distribution map according to depositional model.

Referring to Fig. 2, oil-gas reservoir dividing elements module further include:

Boundary condition determining module 130, for determining containing for each substratum according to the oil-bearing sand bodies sedimentary micro distribution map Oil sand body connected relation and boundary condition；

Boundary condition correction module 140, for the oil-bearing sand bodies sedimentary micro distribution map and main force's oil-containing is small Layer structural map overlapping, corrects the oil-bearing sand bodies connected relation and boundary condition in conjunction with oil water relation contradiction and depositional model；

Boundary condition analysis module 150, for analyzing the oil-bearing sand bodies connected relation and perimeter strip in longitudinal, plane Part, division obtain multiple oil-gas reservoir units.In the particular embodiment, it can be interconnected, have according to same oil-gas reservoir reservoir The principle of unified oil-water interfaces, identification divide oil-gas reservoir unit.

In other embodiments of the invention, which further includes space characteristics determining module, described for determining Boundary, oil-water interfaces and the oil-gas reservoir unit flat distribution map and oil-gas reservoir unitary space distribution characteristics of oil-gas reservoir unit.

Fig. 4 is the structural schematic diagram of reservoiring mechanism determining module 200 in the present invention, refers to Fig. 4, the reservoiring mechanism is true Cover half block 200 includes:

Oil-gas reservoir unit categorization module 210, it is described for being classified according to Oil-gas Accumulation Types to the oil-gas reservoir unit Oil-gas Accumulation Types include construction class, lithology class, stratum class and complex class；

Trap condition analysis module 220 is determined each for carrying out trap condition analysis to sorted oil-gas reservoir unit Genetic relationship information between the corresponding trap forming of oil-gas reservoir unit and sedimentary condition, tectonic setting of a type；

It is determined each at hiding information determination module 230 for analyzing oil-source condition, persuasion system and trap configuration relation The corresponding formation mechenism information of the oil-gas reservoir unit of a type；

Reservoiring mechanism analysis module 240, for according to the genetic relationship information, formation mechenism information and spatial distribution Feature obtains reservoiring mechanism information.

Oil-gas reservoir dividing elements module, reservoiring mechanism determining module are executed, different series of strata multiple stocks can be completed Oil-gas reservoir dividing elements and reservoiring mechanism research.

Fig. 5 is the structural schematic diagram of Enrichment Mode determining module 300 in the present invention, and referring to Fig. 5, the Enrichment Mode is determined Module 300 includes:

Reservoir model figure compiling module 310, for according to the oil gas for analyzing each type of same series of strata at hiding primary condition The spatial distribution characteristic of unit and the genetic relationship information and formation mechenism information of different series of strata oil-gas reservoir units are hidden, area is compiled Band Reservoir model figure；

Dominated Factors determining module 320, for determining that multiple stock is enriched with according to the characteristic distributions for having developed oil-gas Layer The relevance of degree and geologic(al) factor determines rich accumulation of oil and gas Dominated Factors；

Enrichment Mode summarizes module 330, for total according to the zone Reservoir model figure and rich accumulation of oil and gas Dominated Factors Bear zone Enrichment Mode information.

Fig. 6 is the structural schematic diagram of exploration trend determining module 400 in the present invention, and referring to Fig. 6, the exploration trend is determined Module 400 includes:

Historical information obtains module 410, for obtaining the history Cheng Zangji for having developed oil-gas Layer from the geologic information Well data is evaluated in prospect pit in reason information, history enrichment discipline information and area；

Mechanism difference determining module 420, for comparing the history reservoiring mechanism information and the reservoiring mechanism information, Obtain mechanism different information；

It is enriched with difference determining module 430, for comparing the history enrichment information and the Enrichment Mode information, is obtained Enrichment discipline different information；

Exploration trend prediction module 440, for according to the reservoiring mechanism different information, enrichment discipline different information and The enrichment Favorable Areas of prospect pit evaluation well data prediction lithologic deposit is as exploration trend in area.

That is, exploration trend determining module 400 carries out zone the old and new geological knowledge comparative analysis, eliminates the false and retains the true, accurately take off Show lithologic reservoir forming condition, origin mechanism, enrichment discipline, according to zone geologic rule new knowledge, preferably research zone.It receives Collect Distribution Area band construction, the research achievements such as deposition, oil generation, well data is evaluated in prospect pit in combined area, analogy developed oil-gas reservoir at Hiding condition and Enrichment Mode prediction lithologic deposit are enriched with Favorable Areas.The wing of arch structure usually in multiple oil and gas accumulation zone Portion, step-fault zone, slope belt, the area Wa Cao may all have the geological conditions to form Stratigraphic reservoir, be to find lithology oil gas The key area of hiding；Carry out zone accumulating condition comprehensively in determining favorable exploration region to recognize again, including fine structures solution It releases, sedimentary facies and study of micro-sedimentary phase, oil-source condition and conducting system are evaluated, re-evaluate resources of play；Establishment zone is commented Valence scheme, specifies exploration trend.

Fig. 7 is the embodiment two of the exploration system of multiple oil and gas accumulation zone lithologic deposit provided in an embodiment of the present invention Structural schematic diagram, refer to Fig. 7, the system is in the second embodiment further include:

Trap Favorable Areas determining module 500, it is pre- in conjunction with the enrichment Favorable Areas for analyzing sand body and construction configuration relation Survey depositional trap Favorable Areas；

Prospect pit well location demarcating module 600 is enriched with information for history described in analogy, is marked according to the depositional trap Favorable Areas Determine prospect pit well location.

Fig. 8 is the structural schematic diagram of trap Favorable Areas determining module 500 in the present invention, referring to Fig. 8, the trap Favorable Areas Determining module 500 includes:

Electrofacies analysis module 510, for carrying out well logging phase point according to the reservoir development situation of periphery drilling well purpose series of strata Analysis, determines depositional environment, Sandbody Genetic Types and deposition interface；

Reservoir prediction module 520 passes through phased reservoir for explaining using composite seismogram calibration and fine seismic data Inversion technique carries out reservoir prediction, obtains reservoir prediction achievement；

Reservoir distribution figure compiling module 530, for according to the depositional environment, Sandbody Genetic Types and deposition interface, Microfacies mode carries out integrated interpretation to the reservoir prediction achievement, works out main force's sand group reservoir distribution figure；

Sand group structural map compiling module 540, for working out main force's sand group structural map according to three dimensional seismic data；

Trap Favorable Areas constructing module 550, for constructing main force's sand group reservoir distribution figure and main force's sand group Figure coincides, and the combination of analysis sand body storage lid, lapout, fault contact relationship simultaneously construct depositional trap in conjunction with the enrichment Favorable Areas Favorable Areas.

In the particular embodiment, trap Favorable Areas determining module carries out sedimentary micro for prospective and target area and reservoir is pre- Research is surveyed, sandbody distribution feature is described.According to area deposition phase research achievement and periphery drilling well purpose series of strata reservoir development situation, By core observation description, electrofacies analysis, individual well lithofacies successions are established, determine depositional environment, Sandbody Genetic Types, deposition circle The features such as face.It is explained using composite seismogram calibration, fine seismic data, phased reservoir inversion technology, it is pre- that sub-sand group carries out reservoir It surveys, obtains sand-body distribution data volume；Integrated interpretation is carried out to reservoir prediction achievement according to sedimentation type, microfacies mode, is identified Main force's sand group reservoir distribution figure is worked out on sandbody distribution direction and lapout boundary；On the basis of regional structure research achievement, benefit Main force's sand group structural map is worked out with three dimensional seismic data；Main force's sand group reservoir distribution figure is coincided with corresponding structural map, is analyzed The factors such as the combination of sand body storage lid, lapout, fault contact relationship, determine the lithology being likely to form, construction depositional trap range. More sand groups are superimposed the lithology that can be obtained purpose series of strata and be likely to form, construction depositional trap favourable scope；Repeating above step can be pre- Measure different series of strata lithology, construction depositional trap development Favorable Areas.

Fig. 9 is the structural schematic diagram of prospect pit well location demarcating module 600 in the present invention, and referring to Fig. 9, the prospect pit well location is determined Module 600 includes:

Factor of evaluation determining module 610 is used for Utilization assessment target area structural map, main force's sand group reservoir distribution figure and offset well Reservoir development information seeks purpose series of strata sandy ground ratio and sand body and construction angle information；

Trap condition evaluation module 620, for using the purpose series of strata sandy ground ratio and sand body and construction angle information as Factor of evaluation carries out trap condition evaluation in the depositional trap Favorable Areas, obtains evaluation of trap performance data table；

Favorable Areas determining module 630 is developed, for predicting depositional trap development according to the evaluation of trap performance data table Favorable Areas；

Oil bearing evaluation module 640 develops the depositional trap advantageous for history enrichment discipline information described in analogy Area carries out oil bearing evaluation, determines main force's series of strata and prospective and target area；

Overall merit module 650, for carrying out Objective Comprehensive Evaluation Method, mark according to main force's series of strata and prospective and target area Determine prospect pit well location.

In the particular embodiment, prospect pit well location demarcating module carries out trap condition in the depositional trap Favorable Areas of prediction Evaluation.Factor of evaluation includes purpose series of strata sandy ground when sandbody distribution and two indexs of angle for constructing trend.Specifically, one In a specific embodiment, such as: (1) sandy ground ratio is greater than 60%, and the overlapped connection probability in sand body space is larger, forms depositional trap item Part is poor.For sandy ground ratio less than 30%, sand body lateral continuity is poor, easily formation depositional trap, but trap scale is typically small.Work as sandy ground When than between 60%~30%, most beneficial for formation lithology and construction depositional trap.(2) folder of sandbody distribution and construction trend It is easiest to form the depositional trap of sand body up dip pinchout when corner connection nearly vertical (60 °~120 °) or sand body updip direction tomography hides It keeps off, the construction depositional trap of lapout.When sandbody distribution and the angle of construction trend are close to parallel (150 ° of<30 ° or>), both Unfavorable depositional trap is formed, also unfavorable construction lithology trap forming.Sandbody distribution and construction trend angle at 30 °~60 ° or When between 120 °~150 °, forms lithology and construction lithology trap condition is medium.

Utilization assessment target area structural map, sand group reservoir distribution figure and offset well reservoir development situation, seek purpose series of strata sand Compare and sand body and construction angle data on ground；According to above-mentioned factor of evaluation and evaluation criterion, according to it is good, in, difference class establish trap Performance data table is evaluated, comprehensive analysis predicts that lithology, construction depositional trap develop advantageous interval and Favorable Areas；Oil has been developed in analogy Hiding mode carries out oil bearing evaluation to determining advantageous trap area.It mainly include oil-source condition, persuasion system, the poly- space-time configuration of fortune And the evaluation of later period preservation condition, specify main force's series of strata and prospective and target area；Objective Comprehensive Evaluation Method, multilayer system and spy, preferably Prospect pit well location.

As above it is a kind of exploration system of multiple oil and gas accumulation zone lithologic deposit provided by the invention, will be currently based on The depositional trap of sequence stratigraphy and conventional reservoir Predicting Technique is predicted, is changed into and is served as theme based on the analysis of oil-gas reservoir unit, is led to It crosses dissection and has developed oil-gas reservoir, accurate to disclose lithologic reservoir forming condition, Reservoir model and enrichment discipline, exploration forms one Lithology and construction lithology prediction of oil-gas reserve evaluation of programme are covered, exploration risk can be utmostly reduced, mature exploration area is finely surveyed Visiting has great importance.In addition, the present invention can bring scale reserves new discovery to old filed, tamps and produce resource in stable yields Basis is conducive to ensure national energy security, promotes the harmonious stable development of oil and gas enterprise and local economy society.

In addition, although being referred to several unit modules of system in the above detailed description, it is this to divide only simultaneously Non-imposed.In fact, embodiment according to the present invention, the feature and function of two or more above-described units can To embody in a unit.Equally, the feature and function of an above-described unit can also be served as reasons with further division Multiple units embody.Terms used above " module " and " unit ", can be realize predetermined function software and/or Hardware.Although module described in following embodiment is preferably realized with software, the group of hardware or software and hardware The realization of conjunction is also that may and be contemplated.

After describing the exploration system of multiple oil and gas accumulation zone lithologic deposit of exemplary embodiment of the invention, Next, being introduced with reference to method of the attached drawing to exemplary embodiment of the invention.The implementation of this method may refer to above-mentioned Whole implementation, overlaps will not be repeated.

Figure 10 is a kind of process of the exploitation method of multiple oil and gas accumulation zone lithologic deposit provided in an embodiment of the present invention Schematic diagram, referring to Figure 10, the exploitation method of the multiple oil and gas accumulation zone lithologic deposit includes:

S101: the exploitation oil-gas Layer in anatomical object oil field, division obtain multiple oil-gas reservoir units.Multiple stock be by Multiple oil-gas reservoir units are accompanied, longitudinally superimposed, level-crossing, and distribution relation is complicated, and the accurate oil-gas reservoir unit that divides is to grind Study carefully the basis of multiple stock reservoiring mechanism and geologic feature.

In one embodiment of the invention, this method further include:

Obtain the geologic information for having developed oil-gas reservoir；

Select to have developed the target series of strata oil-gas Layer of oil-gas reservoir in zone according to the geologic information.

S102: the corresponding reservoiring mechanism information of oil-gas reservoir unit is determined according to the oil-gas reservoir unit；

S103: the oil-gas reservoir unit is analyzed according to reservoiring mechanism information multilayer system, determines the enrichment mode of multiple stock Formula information；

S104: play assessment is carried out according to the reservoiring mechanism information and Enrichment Mode information, predicts lithologic deposit Exploration trend.

Figure 11 is the idiographic flow schematic diagram of step S101, please refers to Figure 11, which includes:

S201: being directed to multiple target series of strata and carry out fine Strata Comparison and detail stratigraphic division, determines that each well bores and meets oil reservoir and neighbour Well corresponding relationship, and establish layer data table, establishment main force's oil-containing substratum structural map；

S202: selection oil-bearing sand bodies carry out sedimentary micro, obtain oil-bearing sand bodies sedimentary micro distribution map.Figure 12 is the step Idiographic flow schematic diagram, please refer to Figure 12, which includes:

S301: according to core and well logging phase character, sedimentation type is determined；

S302: depositional model is established according to sedimentation type；

S303: oil-bearing sand bodies sedimentary micro distribution map is worked out according to depositional model.

Please refer to Figure 11, step S101 further include:

S203: oil-bearing sand bodies connected relation and the boundary of each substratum are determined according to the oil-bearing sand bodies sedimentary micro distribution map Condition；

S204: the oil-bearing sand bodies sedimentary micro distribution map and main force's oil-containing substratum structural map are overlapped, in conjunction with oil Water relationship contradiction and depositional model correct the oil-bearing sand bodies connected relation and boundary condition；

S205: the oil-bearing sand bodies connected relation and boundary condition in the longitudinal upper, plane of analysis, division obtain multiple oil gas Hide unit.In the particular embodiment, it can be interconnected according to same oil-gas reservoir reservoir, the principle with unified oil-water interfaces, Identification divides oil-gas reservoir unit.

In other embodiments of the invention, this method further includes determining the boundary of the oil-gas reservoir unit, grease Interface and oil-gas reservoir unit flat distribution map and oil-gas reservoir unitary space distribution characteristics.

Figure 13 is the idiographic flow schematic diagram of step S102, referring to Figure 13, which includes:

S401: classifying to the oil-gas reservoir unit according to Oil-gas Accumulation Types, the Oil-gas Accumulation Types include construction class, Lithology class, stratum class and complex class；

S402: trap condition analysis is carried out to sorted oil-gas reservoir unit, determines the oil-gas reservoir unit of each type Genetic relationship information between corresponding trap forming and sedimentary condition, tectonic setting；

S403: analysis oil-source condition, persuasion system and trap configuration relation determine the oil-gas reservoir unit pair of each type The formation mechenism information answered；

S404: reservoiring mechanism letter is obtained according to the genetic relationship information, formation mechenism information and spatial distribution characteristic Breath.

After executing step S101, S102, the oil-gas reservoir dividing elements and Cheng Zang of different series of strata multiple stocks can be completed Mechanism study.

Figure 14 is the idiographic flow schematic diagram of step S103, and referring to Figure 14, which includes:

S501: according at hiding primary condition analyze each type of same series of strata oil-gas reservoir unit spatial distribution characteristic and The genetic relationship information and formation mechenism information of different series of strata oil-gas reservoir units, compile zone Reservoir model figure；

S502: being associated with for multiple stock enrichment degree and geologic(al) factor is determined according to the characteristic distributions for having developed oil-gas Layer Property, determine rich accumulation of oil and gas Dominated Factors；

S503: zone Enrichment Mode letter is summed up according to the zone Reservoir model figure and rich accumulation of oil and gas Dominated Factors Breath.

Figure 15 is the idiographic flow schematic diagram of step S104, and referring to Figure 15, which includes:

S601: the history reservoiring mechanism information for having developed oil-gas Layer, history enrichment discipline are obtained from the geologic information Well data is evaluated in prospect pit in information and area；

S602: comparing the history reservoiring mechanism information and the reservoiring mechanism information, obtains reservoiring mechanism difference letter Breath；

S603: comparing the history enrichment discipline information and the Enrichment Mode information, obtains enrichment discipline difference letter Breath；

S604: well data is evaluated according to prospect pit in the reservoiring mechanism different information, enrichment discipline different information and area Predict the enrichment Favorable Areas of lithologic deposit as exploration trend.

That is, step S104 carries out zone the old and new geological knowledge comparative analysis, eliminates the false and retains the true, accurately disclose lithologic deposit Accumulating condition, origin mechanism, enrichment discipline, according to zone geologic rule new knowledge, preferably research zone.Compile zone structure It makes, deposit, the research achievements such as oil generation, Forming Conditions For Oil And Gas Reservoir and enrichment have been developed in prospect pit, evaluation well data, analogy in combined area Model prediction lithologic deposit is enriched with Favorable Areas.The alar part of arch structure, step-fault zone, slope usually in multiple oil and gas accumulation zone Band, the area Wa Cao may all have the geological conditions to form Stratigraphic reservoir, be the key area for finding lithologic deposit；In Carry out zone accumulating condition comprehensively in determining favorable exploration region to recognize again, including fine structural interpretation, sedimentary facies and deposition Microfacies research, oil-source condition and conducting system evaluation re-evaluate resources of play；Play assessment scheme is worked out, is clearly explored Direction.

Figure 16 is the embodiment of the exploitation method of multiple oil and gas accumulation zone lithologic deposit provided in an embodiment of the present invention Two flow diagram, referring to Figure 16, this method is in the second embodiment further include:

S105: analysis sand body and construction configuration relation, in conjunction with enrichment favorable depositional trap Favorable Areas；

S106: history described in analogy is enriched with information, determines prospect pit well location according to the depositional trap Favorable Areas.

Figure 17 is the idiographic flow schematic diagram of step S105, and referring to Figure 17, which includes:

S701: electrofacies analysis is carried out according to the reservoir development situation of periphery drilling well purpose series of strata, determines depositional environment, sand Body genetic type and deposition interface；

S702: it is explained using composite seismogram calibration and fine seismic data and reservoir is carried out by phased reservoir inversion technology Prediction, obtains reservoir prediction achievement；

S703: according to the depositional environment, Sandbody Genetic Types and deposition interface, microfacies mode to the reservoir prediction Achievement carries out integrated interpretation, works out main force's sand group reservoir distribution figure；

S704: main force's sand group structural map is worked out according to three dimensional seismic data；

S705: main force's sand group reservoir distribution figure and main force's sand group structural map are coincided, and analysis sand body stores up lid group Conjunction, lapout, fault contact relationship simultaneously construct depositional trap Favorable Areas in conjunction with the enrichment Favorable Areas.

Figure 18 is the idiographic flow schematic diagram of step S106 in the present invention, and referring to Figure 18, which includes:

S801: Utilization assessment target area structural map, main force's sand group reservoir distribution figure and offset well reservoir development information seek mesh Series of strata sandy ground ratio and sand body and construction angle information；

S802: using the purpose series of strata sandy ground ratio and sand body and construction angle information as factor of evaluation in the lithology circle Progress trap condition evaluation in Favorable Areas is closed, evaluation of trap performance data table is obtained；

S803: predict that Favorable Areas is developed in depositional trap according to the evaluation of trap performance data table；

S804: history enrichment discipline information described in analogy carries out oil bearing evaluation to depositional trap development Favorable Areas, Determine main force's series of strata and prospective and target area；

S805: Objective Comprehensive Evaluation Method is carried out according to main force's series of strata and prospective and target area, demarcates prospect pit well location.

As above it is a kind of exploitation method of garden basin lithologic deposit provided by the invention, solves sequence stratigraphy It is uncomfortable that middle-size and small-size lithologic deposit is found in the multiple oil and gas accumulation zone in high degree of prospecting stage with conventional reservoir Predicting Technique Technical problem is laid a good foundation for the exploitation of such lithologic deposit Efficient Exploration.Compound oil gas aggregation can accurately be disclosed Reservoiring mechanism, Reservoir model and enrichment discipline with interior multiple stock can reduce middle and small scale lithology oil to the greatest extent It hides exploration risk, realizes the new discovery of old area scale reserves of high degree of prospecting stage and rising year by year for crude output.

The present invention also provides a kind of computer equipments, comprising: it is adapted for carrying out the processor and storage equipment of each instruction, The storage equipment is stored with a plurality of instruction, and described instruction is suitable for being loaded by processor and executing a kind of multiple oil and gas accumulation zone rock The exploitation method of property oil-gas reservoir.

The present invention also provides a kind of computer readable storage mediums, are stored with computer program, the computer program For executing a kind of exploitation method of multiple oil and gas accumulation zone lithologic deposit.

Below with reference to specific embodiment, technical solution of the present invention is discussed in detail.The present invention North China Oilfield scene 3 A multiple oil and gas accumulation zone, 5 sets of series of strata, more than 10 oil fields implement lithological reservoir exploration, have obtained scale promotion and application, Realize scale reserves new discovery.Figure will be overlapped using multiple oil and gas accumulation zone oil area in Figure 19 below is example, and is cooperated Attached drawing is described in detail below.

The zone is the multiple oil and gas accumulation zone of the discovery eighties in last century, is broken in plane by N9, L107, L70, L62 etc. Block composition, main oil-bearing series be Dongying, sand one on and dune shape, verify 37,310,000 tons of oil in place.As structural trap bores It visits totally, investigation and prospecting sinks into stagnate substantially, yield rapid decrement, to annual output in 2011 by history top in 1984 36.6 ten thousand tons drop to 240,000 tons.Before carrying out lithological reservoir exploration scheme provided by the invention to the area, basis first The area has found the series of strata of oil reservoir, well pattern improvement degree and reserves scale, has selected one upper section of Dongying-sand and carries out lithology oil gas Hide exploration scheme.

Oil-gas reservoir has been developed in S1, dissection, divides oil-gas reservoir unit, and specific steps include:

1. needing to select development block first against target series of strata in zone, having phase before step S1 implementation To well pattern is improved, in favor of carrying out the research of oil-gas reservoir dividing elements.L70 oil-containing fault block fault block is selected to carry out according to the principle Oil reservoir has been developed in dissection；

2. carry out fine Strata Comparison and detail stratigraphic division for L70 fault block main force oil-bearing series east three sections-sand, one upper section, It determines that each well bores and meets oil reservoir and offset well corresponding relationship, establish upper I, II, the III 8 set of interval substratum of I, II, III, IV, V and Es1 of Ed3 Tables of data, establishment main force's oil-containing substratum structural map；

3. selecting oil-bearing sand bodies to carry out study of micro-sedimentary phase, according to core and well logging phase character, it is determined that three sections of east-is husky One upper section is evolved into shallow-circulation flow by braid deltas from bottom to top, should there is southwest, the big material resource in northwest two, control on region Sedimentary system spread processed.Oil-bearing sand bodies sedimentary micro distribution map is worked out accordingly, primarily determines each substratum oil-bearing sand bodies connected relation And distribution characteristics；

4. oil-bearing sand bodies sedimentary micro distribution map is overlapped with corresponding structural map, in conjunction with oil water relation contradiction and deposition mould Formula corrects oil-bearing sand bodies connected relation and boundary condition；

5. comprehensive analysis is longitudinally upper, each oil-bearing sand bodies contact relation in plane, it is interconnected according to same oil-gas reservoir reservoir, With unified oil-water interfaces principle, identification divides oil-gas reservoir unit, determines oil-gas reservoir elementary boundary, oil-water interfaces and oil-gas reservoir list First flat distribution map.Process enters step S2.

S2, using oil-gas reservoir unit as research object, accurate to disclose multiple stock reservoiring mechanism, specific steps include:

1. carrying out the classification of oil-gas reservoir unit on the basis of step S1, it is found that the L70 oil-containing fault block of early detection was recognized originally To be structural oil pool, according to oil reservoir unit analysis and research result, it is believed that Oil Reservoir Types main body is construction-lithological pool and lithology oil Hiding；

2. being directed to the construction-lithological pool and lithological pool unit of L70 oil-containing fault block, carries out trap condition analysis, determine Such trap is to be caused reservoir lithology or physical property to change by sand body lapout to act on and formed with updip direction fault barrier, is obtained Such trap forming is the new knowledge controlled by sedimentary micro and construction configuration relation out；

3. studying oil-source condition, persuasion system and trap configuration relation, show disconnected tomography, the unconformity for wearing deep hydrocarbon source rock Face and sand body configuration constitute effective persuasion system.The formation for specifying L70 fault block lithological pool is oil sources, tomography, sand body Effectively configuring as a result, not limited by structural trap, distribution is more extensive, has widened oil searching direction significantly；4. main force's oil-bearing layer Multiple stock accumulating condition, origin mechanism and oil-gas reservoir unitary space distribution characteristics in being.Process enters step S3.

S3, multilayer system comprehensive analysis determine that multiple stock Enrichment Mode, specific research step include:

1. repeat the above steps S1, S2, the different oil-containing fault block difference series of strata compound oil gas oil reservoirs such as L70, L107 are completed Oil-gas reservoir dividing elements and reservoiring mechanism research；

2. according to the syntagmatic of the distribution characteristics of each oil reservoir unit of same series of strata and different series of strata oil-gas reservoir unit and at Because of connection, zone Reservoir model figure is worked out；

3. according to zone construction, deposition, oil sources etc. at hiding primary condition, in conjunction with having found that oil-gas pool distribution characteristic analysis obtains The anticline structure alar part rich accumulation of oil and gas situation differs greatly out, shows as the poor feature in northern rich south.The reason is that away from oil generation Distance, the mature fault degree of the heart determine that oil sources supplies superiority and inferiority.Item is dredged close to oil-generating center, mature fault, oil sources in the north Part is excellent；For Nan Yi far from oil-generating center, oil sources mostlys come from lower part hydrocarbon source rock, and oil-source condition is relatively poor.Sand body is walked with construction To angle determine the probability of trap forming.It is big that northern sedimentary sand bodies and construction move towards angle, is easily formed depositional trap；South For portion's sedimentary sand bodies with construction trend close to parallel, formation trap probability is smaller.Process enters step S4.

S4, carry out play assessment again, specify lithological reservoir exploration direction, specific research step includes:

1. carrying out zone the old and new geological knowledge comparative analysis, achieves at two aspects of trap condition and oil reservoir origin and newly recognize Know, it is accurate to disclose multiple stock accumulating condition, origin mechanism, enrichment discipline；

2. preferably studying zone according to zone geologic rule new knowledge.Zone construction, deposition, oil generation etc. is compiled to grind Study carefully achievement, Forming Conditions For Oil And Gas Reservoir and Enrichment Mode, prediction lithology oil have been developed in prospect pit, evaluation well data in combined area, analogy The formation of hiding is that oil sources, tomography, sand body effectively configure as a result, not limited by structural trap, is distributed more extensive, is widened significantly Oil searching direction.The northern wing of arch structure, three sections of Nan Yi and Dong Yi main force oil-bearing series east-in the multiple oil and gas accumulation zone A husky upper section all has the geological conditions to form Stratigraphic reservoir, is the emphasis area for finding the subtle reservoir formations such as lithology Domain.The sand of mid-deep strata once has the potentiality of whole oil-containing with dune shape simultaneously；

3. carrying out zone accumulating condition comprehensively in determining favorable exploration region to recognize again, including carry out three sections of east --- Fine structural interpretation, sedimentary facies and the study of micro-sedimentary phase of husky 8 sets of main force's oil-bearing series of upper section, oil-source condition and conducting system It evaluates, re-evaluate resources of play；4. proving the east of the northern wing of arch structure in the multiple oil and gas accumulation zone, Nan Yi and the eastern wing The evaluation of programme of three sections-dune shape difference series of strata, specifies exploration trend.Process enters step S5.

S5, research sand body and construction configuration relation, predict depositional trap Favorable Areas, specific research step includes:

1. carrying out sedimentary micro and the research of phased reservoir prediction for prospective and target area, sandbody distribution feature is described.According to Area deposition phase research achievement and periphery drilling well purpose series of strata reservoir development situation are described, electrofacies analysis by core observation, Individual well lithofacies successions are established, determining sand body type of sedimentary facies from bottom to top is evolved into shallow-circulation flow by braid deltas.It opens Zhan Dongsan sections --- husky upper section main force oil-bearing series fine seismic data explanation, phased reservoir inversion technology, sub-sand group are carried out Reservoir prediction obtains region sand-body distribution data volume；

2. explaining analysis to reservoir prediction achievement according to sedimentation type, microfacies mode, identify that sandbody distribution has west Main force's sand group reservoir distribution figure is worked out on south, the big source direction in northwest two and lapout boundary；

3. working out different layers owner power sand group structural map using three dimensional seismic data on regional structure performance basis；

4. main force's sand group reservoir distribution figure is coincided with corresponding structural map, the combination of analysis sand body storage lid, is broken at lapout The factors such as layer contact relation determine and all have to form lithology, construction-lithology in the northern wing, the eastern wing, the area Nan Yi and Wa Cao of structural belt Trap condition；

5. more sand group superpositions can obtain the lithology of purpose series of strata formation, construction-depositional trap favourable scope；

6. repeating the different oil-containing fault block difference series of strata lithology of the predictable L70 etc. out of above step, construction depositional trap development Favorable Areas.

S6, analogy have developed Reservoir Pattern, and overall merit determines that Target For Drilling, specific research step include:

1. carrying out trap condition evaluation in the depositional trap Favorable Areas of prediction, factor of evaluation includes purpose series of strata sandy ground ratio And two indexs of angle of sandbody distribution and construction trend.Utilization assessment target area structural map, sand group reservoir distribution figure and offset well Reservoir development situation seeks purpose series of strata sandy ground ratio and sand body and construction angle data；

2. according to above-mentioned factor of evaluation and evaluation criterion, according to it is good, in, difference class establish evaluation of trap performance data table, Comprehensive analysis predicts that lithology, construction depositional trap develop advantageous interval and Favorable Areas；

3. model of reservoir has been developed in analogy carries out oil bearing evaluation to determining advantageous trap area.It mainly include oil sources item The poly- space-time configuration of part, persuasion system, fortune and the evaluation of later period preservation condition, specify different series of strata prospective and target areas；

4. Objective Comprehensive Evaluation Method, multilayer system and spy, preferably prospect pit well location.2015-2018 is completed altogether in the structural belt 32 mouthfuls of well location of evaluation, wherein 18 mouthfuls of well location are evaluated for east three sections-sand, one upper section deployment finishing drilling, for a husky lower section-sand three Section deployment finishing drilling evaluates 14 mouthfuls of well location, and probing success rate reaches 100%, whole newly-increased 49,430,000 tons of verified oil oil in place, 172 mouthfuls of finishing drilling development well, add up newly-built 49.58 ten thousand tons of production capacity, which produces crude oil per year and rise to 39.5 ten thousand tons from 240,000 tons, tire out 60.4 ten thousand tons of incremental oil production of meter creates 23.1 hundred million yuan of the output value, 9.0 hundred million yuan of the new profit.

In conclusion the exploitation method and system of a kind of garden basin lithologic deposit provided by the invention, to Exploitation oil-gas reservoir is dissected, and on the basis of identification divides oil-gas reservoir unit, carries out different type oil-gas reservoir unit accumulating condition And mechanism study, it determines multiple stock reservoiring mechanism, achieves new knowledge at two aspects of trap condition and Reservoir formation, It was considered structural oil pool fault block originally, thinks that Oil Reservoir Types main body is construction-lithological pool and rock according to oil reservoir unit The new knowledge of property oil reservoir.The formation of lithologic deposit be oil sources, tomography, sand body effectively configure as a result, not limited by structural trap System, has widened oil searching direction；The distribution characteristics of same each oil reservoir unit of series of strata and the syntagmatic of different series of strata oil-gas reservoir units And genetic relationship, determine multiple stock Enrichment Mode；Again carry out play assessment, specify anticline structure in multiple oil and gas accumulation zone The northern wing, Nan Yi and the eastern wing made all have the geological conditions to form Stratigraphic reservoir, are to find lithologic deposit favorably side To；Research sand body and construction configuration relation utilize seismic data and well logging on the basis of having developed oil reservoir study of micro-sedimentary phase Data carries out phased reservoir prediction, specifies region sandbody distribution.Relative configurations figure coincides with deposition phasor, predicts lithology circle Close advantageous development area；Reservoir Pattern has been developed in analogy, and multilayer system, Objective Comprehensive Evaluation Method determine Target For Drilling, preferably demarcate Well location implements probing.

It is improvement on hardware (for example, to diode, crystal that the improvement of one technology, which can be distinguished clearly, Pipe, switch etc. circuit structures improvement) or software on improvement (improvement for method flow).However, with technology The improvement of development, current many method flows can be considered as directly improving for hardware circuit.Designer is almost All corresponding hardware circuit is obtained by the way that improved method flow to be programmed into hardware circuit.Therefore, it cannot be said that one The improvement of a method flow cannot be realized with hardware entities module.For example, programmable logic device (Programmable Logic Device, PLD) (such as field programmable gate array (Field Programmable Gate Array, FPGA)) just It is such a integrated circuit, logic function determines device programming by user.It is voluntarily programmed by designer Lai one Dedicated integrated circuit is designed without asking chip maker and made to a digital display circuit " integrated " on a piece of PLD Chip.Moreover, nowadays, substitution manually makes IC chip, and " logic compiler (logic is also used in this programming instead mostly Compiler) " software realizes that when it writes with program development software compiler used is similar, and before compiling Also handy specific programming language is write for source code, this is referred to as hardware description language (Hardware Description Language, HDL), and HDL is also not only a kind of, but there are many kinds, such as ABEL (Advanced Boolean Expression Language)、AHDL(Altera Hardware Description Language)、Confluence、 CUPL(Cornell University Programming Language)、HDCal、JHDL(Java Hardware Description Language)、Lava、Lola、MyHDL、PALASM、RHDL(Ruby Hardware Description Language) etc., VHDL (Very-High-Speed Integrated Circuit is most generally used at present Hardware Description Language) and Verilog2.Those skilled in the art also will be apparent to the skilled artisan that only needs will be square Method process slightly programming in logic and is programmed into integrated circuit with above-mentioned several hardware description languages, so that it may be readily available reality The now hardware circuit of the logical method process.

Controller can be implemented in any suitable manner, for example, controller can take such as microprocessor or processing The computer for the computer readable program code (such as software or firmware) that device and storage can be executed by (micro-) processor can Read medium, logic gate, switch, specific integrated circuit (Application Specific Integrated Circuit, ASIC), the form of programmable logic controller (PLC) and insertion microcontroller, the example of controller includes but is not limited to following microcontroller Device: ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20 and Silicone Labs C8051F320 are deposited Memory controller is also implemented as a part of the control logic of memory.

It is also known in the art that other than realizing controller in a manner of pure computer readable program code, it is complete Entirely can by by method and step carry out programming in logic come so that controller with logic gate, switch, specific integrated circuit, programmable Logic controller realizes identical function with the form for being embedded in microcontroller etc..Therefore this controller is considered one kind Hardware component, and the structure that the device for realizing various functions for including in it can also be considered as in hardware component.Or Even, can will be considered as realizing the device of various functions either the software module of implementation method can be Hardware Subdivision again Structure in part.

System, device, module or the unit that above-described embodiment illustrates can specifically realize by computer chip or entity, Or it is realized by the product with certain function.

For convenience of description, it is divided into various units when description apparatus above with function to describe respectively.Certainly, implementing this The function of each unit can be realized in the same or multiple software and or hardware when application.

As seen through the above description of the embodiments, those skilled in the art can be understood that the application can It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer system (can be personal computer, server or network system etc.) executes the certain of each embodiment of the application or embodiment Method described in part.

All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method Part explanation.

The application can be used in numerous general or special purpose computing system environments or configuration.Such as: personal computer, clothes Business device computer, hand system or portable system, plate system, multicomputer system, microprocessor-based system, set Top box, programmable consumer electronics system, network PC, minicomputer, mainframe computer including any of the above system or system Distributed computing environment etc..

The application can describe in the general context of computer-executable instructions executed by a computer, such as program Module.Generally, program module includes routines performing specific tasks or implementing specific abstract data types, programs, objects, group Part, data structure etc..The application can also be practiced in a distributed computing environment, in these distributed computing environments, by Task is executed by the connected teleprocessing system of communication network.In a distributed computing environment, program module can be with In the local and remote computer storage media including storage system.

Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and Variation is without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application's Spirit.

Claims

1. a kind of exploitation method of garden basin lithologic deposit, which is characterized in that the described method includes:

The oil-gas reservoir unit is analyzed according to reservoiring mechanism information multilayer system, determines the Enrichment Mode information of multiple stock；

Play assessment is carried out according to the reservoiring mechanism information and Enrichment Mode information, predicts the exploration side of lithologic deposit To.

2. the method according to claim 1, wherein the method also includes:

Obtain the geologic information for having developed oil-gas reservoir；

3. according to the method described in claim 2, it is characterized in that, the exploitation oil-gas Layer in anatomical object oil field, division obtain Oil-gas reservoir unit includes:

Fine Strata Comparison and detail stratigraphic division are carried out for multiple target series of strata, determines that each well bores and meets oil reservoir pass corresponding with offset well System, and establish layer data table, establishment main force's oil-containing substratum structural map；

It selects oil-bearing sand bodies to carry out sedimentary micro, obtains oil-bearing sand bodies sedimentary micro distribution map:

The oil-bearing sand bodies connected relation and boundary condition of each substratum are determined according to the oil-bearing sand bodies sedimentary micro distribution map；

The oil-bearing sand bodies sedimentary micro distribution map and main force's oil-containing substratum structural map are overlapped, in conjunction with oil water relation contradiction The oil-bearing sand bodies connected relation and boundary condition are corrected with depositional model；

The oil-bearing sand bodies connected relation and boundary condition in the longitudinal upper, plane of analysis, division obtain multiple oil-gas reservoir units.

4. according to the method described in claim 3, it is characterized in that, selection oil-bearing sand bodies progress sedimentary micro, obtains tar sands Body sedimentary micro distribution map includes:

According to core and well logging phase character, sedimentation type is determined；

Depositional model is established according to sedimentation type；

Oil-bearing sand bodies sedimentary micro distribution map is worked out according to depositional model.

5. according to the method described in claim 3, it is characterized in that, the method also includes:

Determine boundary, oil-water interfaces and the oil-gas reservoir unit flat distribution map and oil-gas reservoir unit air of the oil-gas reservoir unit Between distribution characteristics.

6. according to the method described in claim 5, it is characterized in that, determining oil-gas reservoir unit pair according to the oil-gas reservoir unit The reservoiring mechanism information answered includes:

Classified according to Oil-gas Accumulation Types to the oil-gas reservoir unit, the Oil-gas Accumulation Types include construction class, lithology class, Layer class and complex class；

Trap condition analysis is carried out to sorted oil-gas reservoir unit, determines the corresponding trap of oil-gas reservoir unit of each type Formation and the genetic relationship information between sedimentary condition, tectonic setting；

Oil-source condition, persuasion system and trap configuration relation are analyzed, determines the corresponding formation of oil-gas reservoir unit of each type Mechanistic information；

Reservoiring mechanism information is obtained according to the genetic relationship information, formation mechenism information and spatial distribution characteristic.

7. according to the method described in claim 6, it is characterized in that, analyzing the oil-gas reservoir according to reservoiring mechanism information multilayer system Unit determines that the Enrichment Mode information of multiple stock includes:

According to the spatial distribution characteristic for the oil-gas reservoir unit for analyzing each type of same series of strata at hiding primary condition and different series of strata The genetic relationship information and formation mechenism information of oil-gas reservoir unit, compile zone Reservoir model figure；

The relevance that multiple stock enrichment degree and geologic(al) factor are determined according to the characteristic distributions for having developed oil-gas reservoir, is determined Rich accumulation of oil and gas Dominated Factors；

Zone Enrichment Mode information is summed up according to the zone Reservoir model figure and rich accumulation of oil and gas Dominated Factors.

8. the method according to the description of claim 7 is characterized in that according to the reservoiring mechanism information and Enrichment Mode information Play assessment is carried out, predicts that the exploration information of lithologic deposit includes:

History reservoiring mechanism information, history enrichment discipline information and the area for having developed oil-gas reservoir are obtained from the geologic information Well data is evaluated in interior prospect pit；

The history reservoiring mechanism information and the reservoiring mechanism information are compared, reservoiring mechanism different information is obtained；

The history enrichment discipline information and the Enrichment Mode information are compared, enrichment discipline different information is obtained；

According to prospect pit evaluation well data prediction lithology oil in the reservoiring mechanism different information, enrichment discipline different information and area The enrichment Favorable Areas of gas reservoir is as exploration trend.

9. according to the method described in claim 8, it is characterized in that, the method also includes:

Sand body and construction configuration relation are analyzed, in conjunction with enrichment favorable depositional trap Favorable Areas；

History described in analogy is enriched with information, demarcates prospect pit well location according to the depositional trap Favorable Areas.

10. according to the method described in claim 9, it is characterized in that, sand body and construction configuration relation are analyzed, in conjunction with the enrichment Favorable depositional trap Favorable Areas includes:

Electrofacies analysis is carried out according to the reservoir development situation of periphery drilling well purpose series of strata, determines depositional environment, Genetic of Sandbodies class Type and deposition interface；

It is explained using composite seismogram calibration and fine seismic data and reservoir prediction is carried out by phased reservoir inversion technology, obtained Reservoir prediction achievement；

The reservoir prediction achievement is carried out according to the depositional environment, Sandbody Genetic Types and deposition interface, microfacies mode Integrated interpretation works out main force's sand group reservoir distribution figure；

Main force's sand group structural map is worked out according to three dimensional seismic data；

Main force's sand group reservoir distribution figure and main force's sand group structural map are coincided, the combination of analysis sand body storage lid, lateral point Go out, fault contact relationship and in conjunction with the enrichment Favorable Areas construct depositional trap Favorable Areas.

11. according to the method described in claim 10, it is characterized in that, history enrichment discipline information described in analogy, according to described Prospect pit well location is demarcated in depositional trap Favorable Areas

Utilization assessment target area structural map, main force's sand group reservoir distribution figure and offset well reservoir development information seek purpose series of strata sandy ground Than with sand body and construction angle information；

Using the purpose series of strata sandy ground ratio and sand body and construction angle information as factor of evaluation in the depositional trap Favorable Areas Interior progress trap condition evaluation, obtains evaluation of trap performance data table；

Predict that Favorable Areas is developed in depositional trap according to the evaluation of trap performance data table；

History enrichment discipline information described in analogy carries out oil bearing evaluation to depositional trap development Favorable Areas, determines the main force Series of strata and prospective and target area；

Objective Comprehensive Evaluation Method is carried out according to main force's series of strata and prospective and target area, demarcates prospect pit well location.

12. a kind of exploration system of garden basin lithologic deposit, which is characterized in that the system comprises:

Oil-gas reservoir dividing elements module, the target series of strata oil-gas Layer of oil-gas reservoir is developed for dissecting, and division obtains multiple oil gas Hide unit；

Reservoiring mechanism determining module, for determining that the corresponding reservoiring mechanism of oil-gas reservoir unit is believed according to the oil-gas reservoir unit Breath；

Enrichment Mode determining module determines compound oil for analyzing the oil-gas reservoir unit according to reservoiring mechanism information multilayer system The Enrichment Mode information of gas reservoir；

Exploration trend determining module, for carrying out play assessment according to the reservoiring mechanism information and Enrichment Mode information, in advance Survey the exploration information of lithologic deposit.

13. system according to claim 12, which is characterized in that the system also includes:

Geologic information obtains module, for obtaining the geologic information for having developed oil-gas reservoir；

Oil-gas Layer chooses module, for selecting to have developed the target series of strata oil gas of oil-gas reservoir in zone according to the geologic information Layer.

14. system according to claim 13, which is characterized in that the oil-gas reservoir dividing elements module includes:

Substratum structural map establishes module, for carrying out fine Strata Comparison and detail stratigraphic division for multiple target series of strata, determines each Well, which bores, meets oil reservoir and offset well corresponding relationship, and establishes layer data table, establishment main force's oil-containing substratum structural map；

Microfacies distribution map determining module obtains the distribution of oil-bearing sand bodies sedimentary micro for selecting oil-bearing sand bodies to carry out sedimentary micro Figure:

Boundary condition determining module, for determining that the oil-bearing sand bodies of each substratum connect according to the oil-bearing sand bodies sedimentary micro distribution map Clearance system and boundary condition；

Boundary condition correction module is used for the oil-bearing sand bodies sedimentary micro distribution map and main force's oil-containing substratum structural map Overlapping corrects the oil-bearing sand bodies connected relation and boundary condition in conjunction with oil water relation contradiction and depositional model；

Boundary condition analysis module is divided for analyzing the oil-bearing sand bodies connected relation and boundary condition in longitudinal, plane Obtain multiple oil-gas reservoir units.

15. system according to claim 14, which is characterized in that the microfacies distribution map determining module includes:

Sedimentation type determining module, for determining sedimentation type according to core and well logging phase character；

Depositional model establishes module, for establishing depositional model according to sedimentation type；

Microfacies distribution map compiling module, for working out oil-bearing sand bodies sedimentary micro distribution map according to depositional model.

16. system according to claim 14, which is characterized in that the system also includes:

Space characteristics determining module, for determining boundary, oil-water interfaces and the oil-gas reservoir unit plane of the oil-gas reservoir unit Distribution map and oil-gas reservoir unitary space distribution characteristics.

17. system according to claim 16, which is characterized in that the reservoiring mechanism determining module includes:

Oil-gas reservoir unit categorization module, for being classified according to Oil-gas Accumulation Types to the oil-gas reservoir unit, the oil-gas reservoir Type includes construction class, lithology class, stratum class and complex class；

Trap condition analysis module determines each type for carrying out trap condition analysis to sorted oil-gas reservoir unit The corresponding trap forming of oil-gas reservoir unit and sedimentary condition, tectonic setting between genetic relationship information；

Each type is determined for analyzing oil-source condition, persuasion system and trap configuration relation at hiding information determination module The corresponding formation mechenism information of oil-gas reservoir unit；

Reservoiring mechanism analysis module, for being obtained according to the genetic relationship information, formation mechenism information and spatial distribution characteristic To reservoiring mechanism information.

18. system according to claim 17, which is characterized in that the Enrichment Mode determining module includes:

Reservoir model figure compiling module, for according to the oil-gas reservoir unit for analyzing each type of same series of strata at hiding primary condition The genetic relationship information and formation mechenism information of spatial distribution characteristic and different series of strata oil-gas reservoir units, compile zone Cheng Zangmo Formula figure；

Dominated Factors determining module, for determining multiple stock enrichment degree and ground according to the characteristic distributions for having developed oil-gas Layer The relevance of quality factor determines rich accumulation of oil and gas Dominated Factors；

Enrichment Mode summarizes module, for summing up zone according to the zone Reservoir model figure and rich accumulation of oil and gas Dominated Factors Enrichment Mode information.

19. system according to claim 18, which is characterized in that the exploration trend determining module includes:

Historical information obtain module, for obtained from the geologic information developed oil-gas Layer history reservoiring mechanism information, Well data is evaluated in prospect pit in history enrichment discipline information and area；

Mechanism difference determining module is obtained into for comparing the history reservoiring mechanism information and the reservoiring mechanism information Hide mechanism different information；

It is enriched with difference determining module, for comparing the history enrichment information and the Enrichment Mode information, obtains enrichment rule Restrain different information；

Exploration trend prediction module, for according to being visited in the reservoiring mechanism different information, enrichment discipline different information and area Well evaluates the enrichment Favorable Areas of well data prediction lithologic deposit as exploration trend.

20. system according to claim 19, which is characterized in that the system also includes:

Trap Favorable Areas determining module, for analyzing sand body and construction configuration relation, in conjunction with the enrichment favorable lithology Trap Favorable Areas；

Prospect pit well location demarcating module, is enriched with information for history described in analogy, demarcates prospect pit according to the depositional trap Favorable Areas Well location.

21. system according to claim 20, which is characterized in that trap Favorable Areas determining module includes:

Electrofacies analysis module is determined for carrying out electrofacies analysis according to the reservoir development situation of periphery drilling well purpose series of strata Depositional environment, Sandbody Genetic Types and deposition interface；

Reservoir prediction module, for passing through phased reservoir inversion technology using composite seismogram calibration and fine seismic data explanation Reservoir prediction is carried out, reservoir prediction achievement is obtained；

Reservoir distribution figure compiling module, for according to the depositional environment, Sandbody Genetic Types and deposition interface, microfacies mode Integrated interpretation is carried out to the reservoir prediction achievement, works out main force's sand group reservoir distribution figure；

Sand group structural map compiling module, for working out main force's sand group structural map according to three dimensional seismic data；

Trap Favorable Areas constructing module, for main force's sand group reservoir distribution figure and main force's sand group structural map to be coincided, It analyzes the combination of sand body storage lid, lapout, fault contact relationship and constructs depositional trap Favorable Areas in conjunction with the enrichment Favorable Areas.

22. system according to claim 21, which is characterized in that the prospect pit well location demarcating module includes:

Factor of evaluation determining module, for Utilization assessment target area structural map, main force's sand group reservoir distribution figure and offset well reservoir hair It educates information and seeks purpose series of strata sandy ground ratio and sand body and construction angle information；

Trap condition evaluation module, for using the purpose series of strata sandy ground ratio and sand body and construction angle information as factor of evaluation Trap condition evaluation is carried out in the depositional trap Favorable Areas, obtains evaluation of trap performance data table；

Favorable Areas determining module is developed, for predicting that Favorable Areas is developed in depositional trap according to the evaluation of trap performance data table；

Oil bearing evaluation module carries out depositional trap development Favorable Areas for history enrichment discipline information described in analogy Oil bearing evaluation determines main force's series of strata and prospective and target area；

Overall merit module demarcates prospect pit for carrying out Objective Comprehensive Evaluation Method according to main force's series of strata and prospective and target area Well location.

23. a kind of computer equipment characterized by comprising it is adapted for carrying out the processor and storage equipment of each instruction, it is described Storage equipment is stored with a plurality of instruction, and described instruction is suitable for being loaded by processor and being executed such as claim 1 to 11 any one A kind of exploitation method of the garden basin lithologic deposit.

24. a kind of computer readable storage medium, which is characterized in that be stored with computer program, the computer program is used for Execute a kind of exploitation method of garden basin lithologic deposit as described in claim 1 to 11 any one.