CN108490484A - The method for being directed to the dissection of garden basin mature exploration area reserves clear area - Google Patents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/282—Application of seismic models, synthetic seismograms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/30—Analysis
Abstract
The present invention provides a kind of method being directed to the dissection of garden basin mature exploration area reserves clear area, including：Remaining resource potential is predicted according to geology Pa Laituo probabilistic models；Recognized according to oil pool distribution order, predicting may Oil Reservoir Types；It is dissected based on prospect pit development well seismic inversion, establishes detailed geological model；Accumulating condition is overlapped into evaluation, it is clear to be enriched with element at Tibetan；Failure well analysis is carried out in positive and negative comparison, determines reserves blank reason；Specific aim is tackled key problems, and clear area exploration key technology is established；The coupling of trapped formation element is quantitatively portrayed, predicts favorable exploration object.The method for being directed to the dissection of garden basin mature exploration area reserves clear area solves the problems, such as reserves clear area fine granularing scalability, and entire method operability is strong, while providing foundation for the prediction of the favo(u)rable target of clear area.
Description
Technical field
The present invention relates to oil field development technical fields, especially relate to one kind and being directed to garden basin mature exploration area reserves
The method of clear area dissection.
Background technology
As Jiyang depression degree of prospecting is continuously improved, under the increasingly increased situation of difficulties in exploration, for main force's oil-bearing layer
How system carries out fine granularing scalability, realizes the target of scale and benefit increasing the storage, and become that investigation and prospecting person faced unavoidable asks
Topic.A series of specifications or standard are formd in long-term practice for fine granularing scalability Thoughts and flow investigation and prospecting person,
Such as：Geologic risk evaluation specification, subtle trap oil-gas exploration geologic assessment specification, oil gas prospect pit geological design specification etc., and needle
Lack unified specification always to how reserves clear area carries out scrutiny.
Mature exploration area reserves clear area refers to main force's oil and gas bearing series since Hydrocarbon Formation Reservoirs enrichment discipline is complicated or shortage is matched
Awareness is lower with certain Exploration Potential area or zone caused by covering exploration engineering.Mature exploration area is although exploring
In formd regularity cognition macroscopically, if phase gesture control is hidden, disconnected slope control sand, net blanket transporting scheduling theory, these are theoretical and recognize
Know the exploration for also effectively directing into and hiding exploratory area, but thinks the failure of different type oil reservoir by mature exploration area failure well
Reason is different, it is therefore desirable to carry out fine geological research further directed to different types of oil reservoir, formation is matched accordingly
Set technology instructs the exploration of mature exploration area clear area.Thus new garden basin mature exploration area is directed to we have invented a kind of
The method of reserves clear area dissection, solves the above technical problem.
Invention content
The object of the present invention is to provide a kind of method being directed to the dissection of garden basin mature exploration area reserves clear area, the party
Method solves the problems, such as reserves clear area fine granularing scalability, and entire method operability is strong, while pre- for the favo(u)rable target of clear area
Survey provides foundation.
The purpose of the present invention can be achieved by the following technical measures：It is directed to garden basin mature exploration area reserves clear area
The method of dissection, the method for being directed to the dissection of garden basin mature exploration area reserves clear area include：Step 1, according to geology pa
Lay support probabilistic model predicts remaining resource potential；Step 2, recognized according to oil pool distribution order, predicting may Oil Reservoir Types；Step
Rapid 3, based on prospect pit-development well-seismic inversion dissection, establish detailed geological model；Step 4, accumulating condition is overlapped into evaluation, it is bright
Really element is enriched at Tibetan；Step 5, failure well analysis is carried out in positive and negative comparison, determines reserves blank reason；Step 6, specific aim is attacked
It closes, establishes clear area exploration key technology；Step 7, the coupling of trapped formation element is quantitatively portrayed, predicts favorable exploration object.
The purpose of the present invention can be also achieved by the following technical measures：
In step 1, mature exploration area clear area Exploration Potential is first had to mathematically carry out advantageous clear area
Stock assessment, it is determined whether be worth exploring, using Pa Laituo models in the case of given surplus yield, predict different rule
The number and stock number of mould section oil-gas reservoir instruct exploration decision personnel's exploration deployment.
In step 2, it during oil pool distribution order refers to garden basin shaping and development, is filled with structural evolution, deposition
Fill out, pressure field distribution is leading, under regional tectonic activity control, basin internal structure unit, sedimentary system, pressure field point
Cloth, Oil Reservoir Types, raw storage lid configuration relation, migration path system assemble pattern these aspects all have significantly regularity, to determine
Oil-gas pool distribution has the rule of order variation, and it is whole to constitute the unified petroleum distribution in basin.
In step 2, oil pool distribution order understanding guidance exploration constituency is exactly first by main force's oil-bearing series structure
The fine understanding make, deposited analyzes reservoir forming factor and the changing rule of the poly- mode order of fortune, discloses mature exploration area Oil Reservoir Types
And the regularity of oil pool distribution, it targetedly tackles key problems for the development of reserves clear area Oil Reservoir Types that may be present.
In step 3, using prospect pit and area's development well data is verified, in conjunction with seismic inversion data, fine correlation is portrayed small
Layer sandbody distribution, establishes detailed geological model.
In step 4, it under the guidance of oil pool distribution sequence pattern, is overlapped and is divided two-by-two with basic graph by oil pool distribution
Analysis, and have found the typical dissection of oil reservoir, the clear mature exploration area Mechanisms of Petroleum Accumulation of quantitative assessment, it is clear at Tibetan master control because
Element establishes corresponding Reservoir model.
Step 4 includes：
(1) construction, deposition and oil reservoir overlap, and whether analysis oil reservoir is by construction location, tectonic style, tomography, plane of unconformity
Control, further clear Oil Reservoir Types, analysis sedimentary facies belt, reservoir distribution, reservoir properties are to the control action of oil reservoir；
(2) pressure field is overlapped with oil reservoir, and oil pool distribution area pressure signature is verified in analysis, analysis and research area's pools' forming dynam-
Constitute, further analyze pressure to oil-gas migration and at Tibetan control action；
(3) capping layer is superimposed with oil reservoir, analyzes control action of the capping layer to trap, bright for different types of oil reservoir
Really it covers mode, covers mechanism, establishes corresponding quantitative evaluation method；
(4) reservoir forming factor is overlapped with oiliness, is analyzed the Dominated Factors of oil reservoiring characteristic, is formed corresponding quantitative assessment side
Method, wherein reservoir forming factor include：Trap Typesof, reservoir buried depth, test case, logging presentation, strata pressure, reservoir properties, envelope
Cap rock lithology, tomography element, oil columns these key elements.
In steps of 5, by the comparative analysis of mature exploration area success and the prospect pit reservoir forming factor that defeats, 1-2 geology is found
Condition is different, and the identical success well of other geological conditions and failure well comparative analysis are further implemented key factor for biogas accumulation, concluded
The main reason for clear area is formed is summarized, the main problem for restricting clear area exploration is found.
In step 6, by reserves clear area analysis of reservoir forming conditions, the key factor for restricting clear area exploration is implemented,
On the basis of having exploration engineering Adaptability Analysis to reserves area, carries out Counter-techniques tackling key problem, form adaptable fine granularing scalability
Mating assessment technique instructs the exploration of clear area.
In step 6, thought by typical oil reservoir dissection and analysis, the key factor for restricting clear area exploration is the essence of trap
It really implements, trap effectiveness sentences knowledge and trap oil columns evaluate these three factors；It is modeled using fine geology and implements advantageous circle
It closes, for the Fault-Sealing type trap of development, trap effectiveness is judged by computed tomography keying property；Using oil columns with
Reservoir forming factor overlaps achievement, and sand body inclination angle, trap are closed height, physical property index, four parameters of the fault gouge total amount factor and oil
The oil columns of Tibetan carry out multiple regression, establish oil columns prediction model, and oil columns and oil-producing are carried out to each effective trap
Merit rating,
In step 7, by influencing the overlapping of different trapped formation key factors and the overlapping of relevant rudimentary graph, packet
It includes construction line to overlap with sand thickness, sand body physical property, pressure field, preferably goes out advantageous trap and carry out trap effectiveness evaluation, including
The physical property lower limit of trap oil-producing, the sealing of trap, tomography keying property, the oiliness of trap carry out quantitative assessment, further excellent
Advantageous trap is selected to implement probing.
The method for being directed to the dissection of garden basin mature exploration area reserves clear area in the present invention, is related to mature exploration area oil gas
Exploration Domain more particularly to fine geological study, the evaluation of type area reserves clear area Exploration Potential and Application of Mathematical Geology Methods are pre-
The methods of survey, determine the favo(u)rable target of reserves clear area.The element task specification of " seven steps are walked " Research Thinking is utilized to carry out reserves
The clear reserves clear area origin cause of formation is analyzed with failure prospect pit, is carried out in conjunction with Application of Mathematical Geology Methods at scrutiny, success is hidden in clear area
Favo(u)rable target is predicted.This is directed to the method for garden basin mature exploration area reserves clear area dissection to Eastern China terrestrial facies rift basin
There is the exploration deployment in Di Gao degrees of prospecting area important guidance and reference, achievement to have wide popularizing application prospect.
Description of the drawings
Fig. 1 be the present invention a specific embodiment in Bonan Region geology Pa Laituo model predictions dune shape reserves scale
Sequence chart；
Fig. 2 is Bonan Region oil reservoir order distribution figure in the specific embodiment of the present invention；
Fig. 3 is each sand group sedimentary facies distribution figure of the South-South slope dune shape of Bohai Sea in the specific embodiment of the present invention；
Fig. 4 schemes for the South-South slope dune shape reservoir forming factor of Bohai Sea in the specific embodiment of the present invention with oil reservoir overlapping；
Fig. 5 is mature exploration area success prospect pit in the specific embodiment of the present invention and failure prospect pit reservoir forming factor comparative analysis
Masterplate；
Fig. 6 is the South-South 8 sand group trap prediction correlation graph of slope of Bohai Sea in the specific embodiment of the present invention；
Fig. 7 is directed to the dissection of garden basin mature exploration area reserves clear area method in the specific embodiment for the present invention
Flow chart.
Specific implementation mode
For enable the present invention above and other objects, features and advantages be clearer and more comprehensible, it is cited below particularly go out preferable implementation
Example, and coordinate shown in attached drawing, it is described in detail below.
As shown in fig. 7, the flow of the method for being directed to the dissection of garden basin mature exploration area reserves clear area for the present invention
Figure.
In step 101, remaining resource potential is predicted according to " geology Pa Laituo probabilistic models "；
Mature exploration area clear area Exploration Potential is first had to mathematically to carry out stock assessment to advantageous clear area, really
It is fixed whether to be worth exploring.Geology Pa Laituofa is a kind of method relatively advanced in current resource assessment.Each oil field in the world
Exploration practices show that the distribution scale of all oil-gas reservoirs of some exploration region usually obeys Pa Laituo probabilistic models.Utilize pa Lay
Ask model that can predict the number and stock number of different scales section oil-gas reservoir, such as Fig. 1 in the case of given surplus yield
It is shown, instruct exploration decision personnel's exploration deployment.
In step 102, recognized according to " oil pool distribution order ", predicting may Oil Reservoir Types.
During oil pool distribution order refers to garden basin shaping and development, with structural evolution, deposit filling, pressure field point
Cloth be it is leading, regional tectonic activity control under, basin internal structure unit, sedimentary system, pressure field distribution, Oil Reservoir Types,
Raw storage lid configuration relation, migration path system assemble pattern etc. all have significantly regularity, to determine that oil-gas pool distribution has
There is the rule that order changes, and it is whole to constitute the unified petroleum distribution in a basin.
As exploration object complexity is continuously improved, it is desirable that higher and higher to Forecast Oil Reservoir Distribution precision, oil pool distribution is orderly
Property understanding guidance exploration constituency be exactly the fine understanding first having to by main force oil-bearing series construction, deposition, be parsed into Tibetan and want
The changing rule of element and the poly- mode order of fortune, discloses the regularity of mature exploration area Oil Reservoir Types and oil pool distribution, for reserves
Clear area Oil Reservoir Types development that may be present is targetedly tackled key problems.
Such as Bonan Region from the slope belt-raised band Paleogene Period in the Depression Belt-south at northern actic region-middle part more
During phase structural evolution, is totally enriched with structural integrity, deposit filling pattern and gas accumulation process is continuous with more phases
Feature.The order variation of Basin Tectonic, deposit filling controls the order of Trap Typesof, migration path system, dynamic structure,
The final order feature for determining Bonan Region oil pool distribution sequence.It is embodied in：From hollow center to edge in plane
Lithological pool-tectonic sliver-lithology structural oil pool-structural oil pool-stratigraphic oil pool is developed successively, as shown in Figure 2.From exploration
From the point of view of present situation, Depression Belt degree of prospecting is preferable at present, realizes the exploration situation of full hollow oil-containing substantially.And the rock of southern slope belt
There are still a large amount of reserves clear areas for property-construction class oil reservoir and pelvic floor hernia stratigraphic oil pool.So we are when exploring constituency, then
The stratigraphic oil pool for paying the utmost attention to the lithology construction class oil reservoir and pelvic floor hernia of southern slope belt reserves clear area is dissected as emphasis
With exploration object.It is grinding for sedimentary system, reservoir prediction and Fault Seal for lithology-construction class oil reservoir emphasis research direction
Study carefully, and for the stratigraphic oil pool class at edge then study emphasis unconformity structural style, unconformity structure, oil-gas migration etc.
Tackling key problem research.It can be seen that establishing oil pool distribution sequence pattern by the research of mature exploration area oil pool distribution order, oil is disclosed
The regularity of qi leel cloth realizes the prediction to Oil Reservoir Types, oil reservoir Dominated Factors, research direction, guidance exploration constituency.
In step 103, is dissected based on " Trinity " (prospect pit-development well-seismic inversion), establish detailed geological model；
Using prospect pit and area's development well data is verified, in conjunction with seismic inversion data, fine correlation portrays substratum sand body exhibition
Cloth establishes detailed geological model.
In step 104, accumulating condition " overlapping evaluation " is clear to be enriched with element at Tibetan；
Under the guidance of oil pool distribution sequence pattern, by oil pool distribution, overlapping is divided two-by-two with basic graph (as shown in Figure 3)
Analysis, and have found the typical dissection of oil reservoir, the clear mature exploration area Mechanisms of Petroleum Accumulation of quantitative assessment, it is clear at Tibetan master control because
Element establishes corresponding Reservoir model, as shown in Figure 4.
It include mainly the following aspects：
(1) construction, deposition and oil reservoir overlap, and whether analysis oil reservoir is by construction location, tectonic style, tomography, plane of unconformity
Deng control, further clear Oil Reservoir Types；Sedimentary facies belt, reservoir distribution, reservoir properties are analyzed to the control action of oil reservoir；
(2) pressure field is overlapped with oil reservoir, and oil pool distribution area pressure signature is verified in analysis, analysis and research area's pools' forming dynam-
Constitute, further analyze pressure to oil-gas migration and at Tibetan control action；
(3) capping layer is superimposed with oil reservoir, analyzes control action of the capping layer to trap, bright for different types of oil reservoir
Really it covers mode, covers mechanism, establishes corresponding quantitative evaluation method.
(4) reservoir forming factor is overlapped with oiliness, is analyzed the Dominated Factors of oil reservoiring characteristic, is formed corresponding quantitative assessment side
Method.Wherein reservoir forming factor includes mainly：Trap Typesof, reservoir buried depth, test case, logging presentation, strata pressure, reservoir object
The key elements such as property, capping layer lithology, tomography element, oil columns.
In step 105, " positive and negative comparison " carries out failure well analysis, determines reserves blank reason；
By the comparative analysis of mature exploration area success and the prospect pit reservoir forming factor that defeats, as shown in figure 5, making every effort to find 1-2
Geological conditions is different, and key factor for biogas accumulation is further implemented in the identical success well of other geological conditions and failure well comparative analysis,
The main reason for induction and conclusion clear area is formed finds the main problem for restricting clear area exploration.
Step 106, specific aim is tackled key problems, and is established " clear area " and is explored key technology；
By reserves clear area analysis of reservoir forming conditions, implement the key factor for restricting clear area exploration, to reserves area
On the basis of having exploration engineering Adaptability Analysis, carries out Counter-techniques tackling key problem, form the mating evaluation skill of adaptable fine granularing scalability
Art instructs the exploration of clear area.
Thought by typical oil reservoir dissection and analysis, the key factor for restricting clear area exploration is that the accurate of trap implements, encloses
It closes validity and sentences three factors such as knowledge and the evaluation of trap oil columns.Tackling problems in key technologies is targetedly carried out thus, has utilized
Advantageous trap is implemented in fine geology modeling, for the Fault-Sealing type trap of development, is mainly sentenced by computed tomography keying property
Disconnected trap effectiveness；Overlap achievement using oil columns and reservoir forming factor, by sand body inclination angle, trap be closed height, physical property index,
The oil columns of four parameters of the fault gouge total amount factor and oil reservoir carry out multiple regression, oil columns prediction model are established, to each
Effective trap carries out oil columns and oil productive capacity evaluation, judgement schematics are：
Step 107, trapped formation element " coupling is quantitative " is portrayed, and predicts favorable exploration object.
By influencing the overlapping of different trapped formation key factors and the overlapping of relevant rudimentary graph, for example, construction line with
Sand thickness, sand body physical property, pressure field overlapping, preferably go out advantageous trap and carry out trap effectiveness evaluation, such as the object of trap oil-producing
Property lower limit, the sealing of trap, tomography opens and closes property, the oiliness etc. of trap carries out quantitative assessment, further preferred advantageous circle
Implementation probing is closed, as shown in Figure 6.
The present invention establishes the fine granularing scalability method of " seven steps are walked " Research Thinking in reserves clear area, and the present invention provides a kind of
The method of garden basin mature exploration area reserves clear area dissection.Fine granularing scalability of this method in mature exploration area main force oil-bearing series
On the basis of, under the premise of " geology Pa Laituo probabilistic models " predicts clear area remaining resource potential, with " oil-gas pool distribution is orderly
Property " theoretical to instruct, by " Trinity " (prospect pit-exploitation-seismic inversion) fine dissection, establish clear area fine geology mould
Type.It is clear to be enriched with element at Tibetan by mature exploration area accumulating condition " overlapping evaluation "；" positive and negative comparison " is analyzed from failure prospect pit
Hair, determines the reserves clear area origin cause of formation.Carry out specific aim tackling key problem, establishes " clear area " and explore key technology.By advantageous trap at
It hides element " coupling quantitative " to portray, determines efforts will be concentrated on prospecting target, carry out target preferably and exploration deployment.
The foregoing is merely presently preferred embodiments of the present invention son, non-to limit the scope of the claims of the present invention, other utilizations
The equivalence changes of the patent spirit of the present invention should all belong to the scope of the claims of the present invention.
Claims (11)
1. the method for being directed to the dissection of garden basin mature exploration area reserves clear area, which is characterized in that this is directed to garden basin
Mature exploration area reserves clear area dissection method include：
Step 1, remaining resource potential is predicted according to geology Pa Laituo probabilistic models；
Step 2, recognized according to oil pool distribution order, predicting may Oil Reservoir Types；
Step 3, it is based on prospect pit-development well-seismic inversion dissection, establishes detailed geological model；
Step 4, accumulating condition is overlapped into evaluation, it is clear to be enriched with element at Tibetan；
Step 5, failure well analysis is carried out in positive and negative comparison, determines reserves blank reason；
Step 6, specific aim is tackled key problems, and establishes clear area exploration key technology；
Step 7, the coupling of trapped formation element is quantitatively portrayed, predicts favorable exploration object.
2. the method according to claim 1 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In, in step 1, for mature exploration area clear area Exploration Potential first have to mathematically to advantageous clear area carry out resource comment
Estimate, it is determined whether be worth exploring, using Pa Laituo models in the case of given surplus yield, predict different scales section
The number and stock number of oil-gas reservoir instruct exploration decision personnel's exploration deployment.
3. the method according to claim 1 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In in step 2, during oil pool distribution order refers to garden basin shaping and development, with structural evolution, deposit filling, pressure
Force distribution is leading, under regional tectonic activity control, basin internal structure unit, sedimentary system, pressure field distribution, oil reservoir
Type, raw storage lid configuration relation, migration path system assemble pattern these aspects all have significantly regularity, to determine oil-gas reservoir
Being distributed has the rule of order variation, and it is whole to constitute the unified petroleum distribution in a basin.
4. the method according to claim 3 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In in step 2, oil pool distribution order understanding guidance exploration constituency is exactly first by constructing, sinking to main force's oil-bearing series
Long-pending fine understanding analyzes reservoir forming factor and the changing rule of the poly- mode order of fortune, discloses mature exploration area Oil Reservoir Types and oil
The regularity for hiding distribution targetedly tackles key problems for the development of reserves clear area Oil Reservoir Types that may be present.
5. the method according to claim 1 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In in step 3, using prospect pit and verifying area's development well data, in conjunction with seismic inversion data, fine correlation portrays substratum sand
Body spread, establishes detailed geological model.
6. the method according to claim 1 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In, in step 4, under the guidance of oil pool distribution sequence pattern, by oil pool distribution and basic graph Overlaying analysis two-by-two, and
It has been found that the typical dissection of oil reservoir, the clear mature exploration area Mechanisms of Petroleum Accumulation of quantitative assessment, clear key factor for biogas accumulation, establish phase
The Reservoir model answered.
7. the method according to claim 6 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In step 4 includes：
(1) it constructs, deposit with whether oil reservoir overlapping, analysis oil reservoir are controlled by construction location, tectonic style, tomography, plane of unconformity,
Further clear Oil Reservoir Types, analysis sedimentary facies belt, reservoir distribution, reservoir properties are to the control action of oil reservoir；
(2) pressure field is overlapped with oil reservoir, and oil pool distribution area pressure signature is verified in analysis, the structure for area's pools' forming dynam- of analyzing and researching
At, further analyze pressure to oil-gas migration and at Tibetan control action；
(3) capping layer is superimposed with oil reservoir, analysis capping layer to the control action of trap, for different types of oil reservoir it is clear its
Capping mode covers mechanism, establishes corresponding quantitative evaluation method；
(4) reservoir forming factor is overlapped with oiliness, is analyzed the Dominated Factors of oil reservoiring characteristic, is formed corresponding quantitative evaluation method,
Wherein reservoir forming factor includes：Trap Typesof, reservoir buried depth, test case, logging presentation, strata pressure, reservoir properties, capping layer
Lithology, tomography element, oil columns these key elements.
8. the method according to claim 1 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In, in steps of 5, by mature exploration area success with defeat prospect pit reservoir forming factor comparative analysis, find 1-2 geological conditions not
Together, the identical success well of other geological conditions and failure well comparative analysis, further implement key factor for biogas accumulation, induction and conclusion is empty
The main reason for white area is formed finds the main problem for restricting clear area exploration.
9. the method according to claim 1 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In, in step 6, by reserves clear area analysis of reservoir forming conditions, the practicable key factor for restricting clear area exploration, to reserves
On the basis of area has exploration engineering Adaptability Analysis, carry out Counter-techniques tackling key problem, forms that adaptable fine granularing scalability is mating to be commented
Valence technology instructs the exploration of clear area.
10. the method according to claim 9 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In in step 6, being thought by typical oil reservoir dissection and analysis, the key factor for restricting clear area exploration is that the accurate of trap falling
In fact, trap effectiveness sentences knowledge and trap oil columns evaluate these three factors；Advantageous trap is implemented using fine geology modeling, it is right
In the Fault-Sealing type trap of development, trap effectiveness is judged by computed tomography keying property；Utilize oil columns and Cheng Zang
Element overlaps achievement, and sand body inclination angle, trap are closed height, physical property index, four parameters of the fault gouge total amount factor and oil reservoir
Oil columns carry out multiple regression, establish oil columns prediction model, and oil columns and oil productive capacity are carried out to each effective trap
Evaluation,
H:Oil column thickness, m；h:Trap height, m；k:Physical property index；θ:Sand body inclination angle, °；The L fault gouge total amount factors.
11. the method according to claim 1 for being directed to the dissection of garden basin mature exploration area reserves clear area, feature exist
In in step 7, by influencing the overlapping of different trapped formation key factors and the overlapping of relevant rudimentary graph, including structure
It makes line to overlap with sand thickness, sand body physical property, pressure field, preferably goes out advantageous trap and carry out trap effectiveness evaluation, including trap
The physical property lower limit of oil-producing, the sealing of trap, tomography keying property, the oiliness of trap carry out quantitative assessment, further preferably have
Probing is implemented in the trap of profit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111812713A (en) * | 2020-04-20 | 2020-10-23 | 中国石油天然气股份有限公司 | Broken block trap determining method, exploration auxiliary method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103993862A (en) * | 2014-02-12 | 2014-08-20 | 中国石油天然气股份有限公司 | Stratification developing method for complex fault block thin oil reservoir |
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| CN111812713A (en) * | 2020-04-20 | 2020-10-23 | 中国石油天然气股份有限公司 | Broken block trap determining method, exploration auxiliary method and device |
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