CN106285660A - A kind of multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods and device - Google Patents
A kind of multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods and device Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
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Abstract
The application provides a kind of multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods and device.Described method includes that combining seismic data carries out Reservoir type division to target exploration region, carries out oil-water layer identification, determines suspicious low-resistivity reservoir；According to the trap origin cause of formation, determine the Oil-gas Accumulation Types of layer position belonging to described suspicious low-resistivity reservoir；Oil-gas Accumulation Types is carried out reservoiring mechanism analyzing and processing, it may be judged whether meet the accumulating condition of described Oil-gas Accumulation Types；If meeting, then it is that unit carries out unit subdivision by all sand bodies in layer position, suspicious low-resistivity reservoir place by oil-gas reservoir；In single oil gas is hidden, read absolute elevation and the oil-water interfaces of place oil reservoir of suspicious low-resistivity reservoir, identify the oiliness of suspicious low-resistivity reservoir.Utilize each embodiment of the application, low-resistivity reservoir can be identified in single oil-gas reservoir, multilamellar sandstone oil reservoir low-resistivity reservoir accuracy of identification can be effectively improved.
Description
Technical field
The application belongs to and relates to Logging Evaluation of Fractured Reservoir field in clastic oil-gas pools exploration and development, particularly relate to a kind of based on
Become to hide the multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods and device analyzed.
Background technology
Multilamellar sandstone oil reservoir major developmental is in Continental Facies Stratigraphy, distributed more widely in China's major oil gas field, accounts for reserves ratio
Example is bigger.In oil reservoir, multilamellar sandstone is vertical stacked, has mud stone to separate therebetween.Under partial picture, mud stone is originally as hydrocarbon source rock, with sand
Body is formed from being conigenous storage from lid formula Petroleum play.Multilamellar sandstone oil reservoir generally grows multiple origin cause of formation low-resistivity reservoir, with normal oil reservoir
Comparing, its resistivity is relatively low, even can be less than water layer.Low-resistivity reservoir identification difficulty is relatively big, and accuracy rate is the highest, as depending on
According to stimulation of well often occur omitting oil reservoir and mending boiled water layer, implement to cause bigger obstruction to later stage measure, it is also difficult to full
Reserves basis and the technology requirement that foot series of strata are taken over.Along with constantly carrying out of oil and gas development, China's major part oil field enters exploitation
Middle and late stage, unrecognized low-resistivity reservoir is as residual production potential ever more important.
At present, both at home and abroad about the research of Low Resistivity Reservoir Identification Methods is important concentrate on two in terms of: be on the one hand based on
Conventional method is identified.Use the multiple rock cores such as ordinary sheet, casting body flake, X-diffraction, trace element analysis, electron probe
The origin cause of formation of low-resistivity reservoir is studied by analysis means, utilizes Logging Curves to know low-resistivity reservoir for different origins
Not, Chinese scholars proposes qualitative, quantitative identification methods.Existing Low Resistivity Reservoir Identification Methods is based primarily upon routine
Well-log information and the new Logging Technology data such as nuclear magnetic resonance, NMR, array induction.Although abundant information on individual well, sample rate is higher by one
As can reach 0.125m, and resolution is higher.But limited by complex geological condition, although the acquisition method reconciliation section of loosening one's grip is the most continuous
Progressive, the explanation of various data often has multi-solution, and whether the suspicious oil reservoir of part is difficult to clear and definite is low-resistivity reservoir, relies solely on
Single well data is difficult to grasp completely study area low-resistivity reservoir situation.Therefore, existing oil-gas exploration is needed a kind of accuracy of identification more badly
High, the preferable Low Resistivity Reservoir Identification Methods of accuracy.
Summary of the invention
Present invention aim to solve existing Low Resistivity Reservoir Identification Methods is paid attention to the research of individual well features of logging curve,
Thinking is single, the problem that result often has multi-solution, it is provided that a kind of based on becoming to hide the Low Resistivity Reservoir Identification Methods analyzed, comprehensive utilization
Pass through into Tibetan by every data to analyze and oil-gas reservoir is carried out many Jingyan County study carefully, in single oil-gas reservoir, identify low-resistivity reservoir, Ke Yiyou
Effect improves multilamellar sandstone oil reservoir low-resistivity reservoir accuracy of identification.
A kind of multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods and device that the application provides are achieved in that
A kind of multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods, described method includes:
In conjunction with seismic data, target exploration region is carried out Reservoir type division, the different types of reservoir divided is carried out
Oil-water layer identification, determines suspicious low-resistivity reservoir；
According to the trap origin cause of formation, determine the Oil-gas Accumulation Types of layer position belonging to described suspicious low-resistivity reservoir；
Described Oil-gas Accumulation Types is carried out reservoiring mechanism analyzing and processing, it may be judged whether the one-tenth meeting described Oil-gas Accumulation Types is hidden
Condition；
If meeting, then it is that unit carries out unit subdivision by all sand bodies in layer position, suspicious low-resistivity reservoir place by oil-gas reservoir；
In the single oil gas of described unit subdivision is hidden, read absolute elevation and the oil of place oil reservoir of suspicious low-resistivity reservoir
Water termination, identifies the oiliness of suspicious low-resistivity reservoir.
In preferred embodiment, the described different types of reservoir to dividing carries out oil-water layer identification and includes:
Physical property-resistivity intersection, Rw (inverse) SH is used inside every class reservoirindexIntersection divides Reservoir type to draw
Generate corresponding cross plot, according to described cross plot, properties of fluid in bearing stratum is judged.
In preferred embodiment, the described matching condition according to setting determines that suspicious low-resistivity reservoir includes:
The described cross plot generated of drawing is shown as water layer, and according to landwaste data and/or features of logging curve data
It is judged as the reservoir of oil-containing, is divided into suspicious low-resistivity reservoir；Wherein, to reservoir, whether oil-containing directly gives result to landwaste data,
According to including that spontaneous potential anomaly amplitude is low on log, the reservoir characteristics deep, shallow resistivity difference is big judges that reservoir is
No oil-containing.
In preferred embodiment, described in carry out reservoiring mechanism analysis and include:
To layer position belonging to suspicious earthquake oil reservoir from including hydrocarbon source rock, reservoir, cap rock, trap condition, oil-gas migration, oil gas
At least one angle in preservation condition carries out accumulation feature analysis.
In preferred embodiment, hydrocarbon source rock is used to include when analyzing analyzing the abundance of organic matter of hydrocarbon source rock, organic matter type
And maturity of organic matter, wherein, abundance of organic matter evaluation index selects TOC；Organic matter type uses kerogenic micro-composition
Method, elementary composition method and rock pyrolysis parametric method divide；Maturity of organic matter uses vitrinite reflectance rate to be analyzed.
In preferred embodiment, include when using reservoir condition analysis analyzing the porosity of reservoir, permeability and reservoir
Physical property lower limit data, wherein, the porosity and permeability of reservoir is given by core analysis and well log interpretation, reservoir properties lower limit
Be given by comprehensive analysis of physical property and oiliness.
In preferred embodiment, cap rock condition is used to include when analyzing analyzing the lithology of cap rock, replacement pressure, thickness and company
Continuous property, wherein, the replacement pressure of cap rock draws by cap rock sampling is analyzed chemical examination.
In preferred embodiment, use oil-gas migration condition analysis time comprise determining whether exist and in the presence of analyze sand
Body conductor department, fracture, unconformity conductor department are as the phenomenon of hydrocarbon migration channel；Wherein, sand body conductor department effectiveness is by sand
Body draws with tomography, unconformity spatial relationship and tomography, unconformable closure comprehensive study；Fracture closure according to
Mudstone creep coefficient judges, mudstone creep coefficientMud shale one-tenth-value thickness 1/10 in stratum for the purpose of T, unit m, D is
Fault throw, unit m；Unconformity conductor department judges according to rock core information.
In preferred embodiment, according to the tomography CSP value of known closure, the result of determination of suspicious low-resistivity reservoir is carried out
Demarcating, divide C1, C2 value, as target zone CSP > C1, tomography is closure；As C2 < CSP, < during C1, tomography is that possible closing can
Can open；As CSP, < during C2, tomography is openability；
Unconformable closure is mainly according to plane of unconformity on the feature of unconformity complex on rock core or log
Upper and lower lithology judges.
In preferred embodiment, described in identify the oiliness of suspicious low-resistivity reservoir and include: the minimum of oil layer recognition is set
Distinguish distance Hmin, and,
If suspicious low-resistivity reservoir is positioned at the distance on oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it is oil
Layer；
If suspicious low-resistivity reservoir is positioned at the distance under oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it is water
Layer；
If within suspicious low-resistivity reservoir is positioned at distance oil-water interfaces Hmin, being then oil-water common-layer.
A kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification device, described device includes:
Suspicious layer determines module, is used for combining seismic data and target exploration region is carried out Reservoir type division, to division
Different types of reservoir carry out oil-water layer identification, determine suspicious low-resistivity reservoir；
Determination type module, for according to the trap origin cause of formation, determines the oil-gas reservoir class of layer position belonging to described suspicious low-resistivity reservoir
Type；
Judging treatmenting module, for carrying out reservoiring mechanism analyzing and processing to described Oil-gas Accumulation Types, it may be judged whether meet institute
State the accumulating condition of Oil-gas Accumulation Types；
Dividing elements, if the Oil-gas Accumulation Types being used for suspicious low-resistivity reservoir meets the accumulating condition of described Oil-gas Accumulation Types,
It is then that unit carries out unit subdivision by all sand bodies in layer position, suspicious low-resistivity reservoir place by oil-gas reservoir；
Identification module, in hiding at the single oil gas of described unit subdivision, reads the absolute elevation of suspicious low-resistivity reservoir
With the oil-water interfaces of place oil reservoir, identify the oiliness of suspicious low-resistivity reservoir.
In preferred embodiment, the described different types of reservoir to dividing carries out oil-water layer identification and includes:
Physical property-resistivity intersection, Rw (inverse) SH is used inside every class reservoirindexIntersection divides Reservoir type to draw
Generate corresponding cross plot, according to described cross plot, properties of fluid in bearing stratum is judged.
In preferred embodiment, the described matching condition according to setting determines that suspicious low-resistivity reservoir includes:
The described cross plot generated of drawing is shown as water layer, and according to landwaste data and/or features of logging curve data
It is judged as the reservoir of oil-containing, is divided into suspicious low-resistivity reservoir；Wherein, to reservoir, whether oil-containing directly gives result to landwaste data,
According to including that spontaneous potential anomaly amplitude is low on log, the reservoir characteristics deep, shallow resistivity difference is big judges that reservoir is
No oil-containing.
In preferred embodiment, described in carry out reservoiring mechanism analysis and include:
To layer position belonging to suspicious earthquake oil reservoir from including hydrocarbon source rock, reservoir, cap rock, trap condition, oil-gas migration, oil gas
At least one angle in preservation condition carries out accumulation feature analysis.
In preferred embodiment, hydrocarbon source rock is used to include when analyzing analyzing the abundance of organic matter of hydrocarbon source rock, organic matter type
And maturity of organic matter, wherein, abundance of organic matter evaluation index selects TOC；Organic matter type uses kerogenic micro-composition
Method, elementary composition method and rock pyrolysis parametric method divide；Maturity of organic matter uses vitrinite reflectance rate to be analyzed.
In preferred embodiment, include when using reservoir condition analysis analyzing the porosity of reservoir, permeability and reservoir
Physical property lower limit data, wherein, the porosity and permeability of reservoir is given by core analysis and well log interpretation, reservoir properties lower limit
Be given by comprehensive analysis of physical property and oiliness.
In preferred embodiment, cap rock condition is used to include when analyzing analyzing the lithology of cap rock, replacement pressure, thickness and company
Continuous property, wherein, the replacement pressure of cap rock draws by cap rock sampling is analyzed chemical examination.
In preferred embodiment, use oil-gas migration condition analysis time comprise determining whether exist and in the presence of analyze sand
Body conductor department, fracture, unconformity conductor department are as the phenomenon of hydrocarbon migration channel；Wherein, sand body conductor department effectiveness is by sand
Body draws with tomography, unconformity spatial relationship and tomography, unconformable closure comprehensive study；Fracture closure according to
Mudstone creep coefficient judges, mudstone creep coefficientMud shale one-tenth-value thickness 1/10 in stratum for the purpose of T, unit m, D is
Fault throw, unit m；Unconformity conductor department judges according to rock core information.
In preferred embodiment, according to the tomography CSP value of known closure, the result of determination of suspicious low-resistivity reservoir is carried out
Demarcating, divide C1, C2 value, as target zone CSP > C1, tomography is closure；As C2 < CSP, < during C1, tomography is that possible closing can
Can open；As CSP, < during C2, tomography is openability；
Unconformable closure is mainly according to plane of unconformity on the feature of unconformity complex on rock core or log
Upper and lower lithology judges.
In preferred embodiment, described in identify the oiliness of suspicious low-resistivity reservoir and include: the minimum of oil layer recognition is set
Distinguish distance Hmin, and,
If suspicious low-resistivity reservoir is positioned at the distance on oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it is oil
Layer；
If suspicious low-resistivity reservoir is positioned at the distance under oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it is water
Layer；
If within suspicious low-resistivity reservoir is positioned at distance oil-water interfaces Hmin, being then oil-water common-layer.
One of beneficial effects of the present invention includes: for multilamellar sandstone reservoir, on the reservoir forming knowledge basis of exploration phase
On, the understanding of the internal distribution of oil and water layers in binder course position, Filling process research is extended to single oil gas from block entirety and hides,
Single oil gas is hidden the interior fluid properties to reservoir and is judged, it is achieved explain conventional logging and new skill of logging well from another angle
The unascertainable suspicious low-resistivity reservoir of art judges, improves recognition accuracy.
The two of beneficial effects of the present invention include: by the reservoir-forming study application of result in oil-gas exploration stage in Reservoir Development
In, object of study gradually refines, and specifies the Filling process of each oil-gas reservoir.Along with conventional logging means of interpretation and new Logging Technology
The improvement of method, by constantly combining with becoming the understanding hidden, deepens continuously to low-resistivity reservoir understanding, it is judged that accuracy rate is continuous
Improve.The application is based on becoming to hide the low-resistivity reservoir identification embodiment analyzed generally, taps the latent power provide for High water cut, old filed
New technical support, and produce actual application value in actual applications.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments described in application, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is that the present invention is based on becoming to hide the flow process of the multilamellar a kind of embodiment of sandstone oil reservoir Low Resistivity Reservoir Identification Methods analyzed
Figure；
Fig. 2 is the physical property resistivity cross plot of one embodiment of the invention；
Fig. 3 is Rw (inverse) cross plot of one embodiment of the invention；
Fig. 4 is that the suspicious low-resistivity reservoir of one embodiment of the invention finds process schematic；
Fig. 5 is the hydrocarbon source rock condition analysis of one embodiment of the invention；
Fig. 6 is the modular structure of a kind of multilamellar sandstone oil reservoir low-resistivity reservoir a kind of embodiment of identification device that the present invention provides
Schematic diagram.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, real below in conjunction with the application
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, all should belong to the application protection
Scope.
Fig. 1 is the method flow of a kind of multilamellar a kind of embodiment of sandstone oil reservoir Low Resistivity Reservoir Identification Methods of the present invention
Figure.Although the invention provides such as following embodiment or method operating procedure shown in the drawings or apparatus structure, but based on routine
Or the operating procedure after more or merging or module list can be included in described method or apparatus without performing creative labour
Unit.Logicality does not exist in necessary causal step or structure, the execution sequence of these steps or the module of device
Structure is not limited to the embodiment of the present invention or execution sequence shown in the drawings or modular structure.Described method or modular structure
When device in reality or end product application, can carry out suitable according to embodiment or method shown in the drawings or modular structure
Sequence performs or executed in parallel (environment of such as parallel processor or multiple threads, even includes the reality of distributed treatment
Execute environment).
Filling process is studied from block by the present invention based on becoming to hide the multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods analyzed
Entirety extends to single oil gas and hides, and judges the fluid properties of reservoir, it is achieved from another angle in single oil gas is hidden
Spend and conventional logging explanation and the unascertainable suspicious low-resistivity reservoir of new Logging Technology are judged, improve recognition accuracy.
In a kind of embodiment, its main implementation process may include that and analysing in depth geologic characteristics and the oil-water-layer currently taked
(include through the oil-water-layer that rock core, formation testing and creation data confirm) on the basis of data, can first carry out Reservoir Classification, then
Conventional method (or other self-defined and new innovative approach) can be utilized to carry out oil-water layer identification inside every class reservoir, will
It is construed to water layer and features of logging curve and sieve residue log data shows that the layer that there may be oil gas is as suspicious low-resistivity reservoir.Enter
The judging layer position, suspicious low-resistivity reservoir place Oil-gas Accumulation Types of one step, makes full use of the oil of exploration phase on this basis
Gas reservoir-forming study achievement, and supplemented, the Oil & Gas Reservoir Formation Conditions of layer position, suspicious low-resistivity reservoir place is analyzed, and utilizes
Filling process is furtherd investigate, is analyzed by existing oil-water-layer understanding, it may be judged whether meet accumulating condition.For meeting oil gas
Tibetan condition, carry out fine oil reservoir Subdividing Processing further, by all sand bodies in layer position, suspicious low-resistivity reservoir place by oil-gas reservoir
For unit, such as, can be divided into " sand one is hidden " and " many sand one are hidden ".Finally, can hide internal at single oil gas, according to can
Doubt low-resistivity reservoir height above sea level and place reservoir oil water termination judges oiliness.
Fig. 1 is the method flow signal of the application a kind of multilamellar a kind of embodiment of sandstone oil reservoir Low Resistivity Reservoir Identification Methods
Figure.Concrete, in one embodiment of the invention, it is provided that a kind of multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods such as Fig. 1
Shown in, may include that
S1: combine seismic data and target exploration region is carried out Reservoir type division, to the different types of reservoir divided
Carry out oil-water layer identification, determine suspicious low-resistivity reservoir according to the matching condition set.
When step S1 is embodied as, can be first to the rock core information in target exploration region obtained, landwaste data, rock
The seismic datas such as heart analytical test data, log are analyzed research, can consider geologic characteristics and (such as include
Lithology, grain graininess, porosity type, reservoir tightness, reservoir properties etc.) reservoir in target exploration region is classified.?
In one embodiment, a kind of Reservoir type classification schemes can be as shown in table 1.
Table 1: Reservoir Classification scheme
After dividing different storage classes, oil-water layer identification can be carried out in the way of using based on resistivity.In the present invention
An embodiment in, physical property resistivity intersection, Rw (inverse) SH can be used inside every class reservoirindexIntersection pair
Reservoir oiliness carries out judging (as shown in accompanying drawing 2, accompanying drawing 3), then can carry out oil according to the oiliness of the storage judged
Water layer identification.Therefore, in one embodiment of the present of invention, the described different types of reservoir to dividing carries out oil-water layer identification bag
Include:
S101: use physical property-resistivity intersection, Rw (inverse) SH inside every class reservoirindexIntersection divides reservoir class
Type is drawn and is generated corresponding cross plot, judges properties of fluid in bearing stratum according to described cross plot.
In one embodiment of the present of invention, physical parameter can include porosity, interval transit time, density etc., and resistivity is
Ground layer depth resistivity.Fig. 2 is the physical property resistivity cross plot of an embodiment, and Fig. 3 is that the Rw of one embodiment of the invention is (anti-
Calculate) cross plot.Because near wellbore zone may be affected by slurry compounding during drilling well, formation resistivity can change, and
Some logging method radius of investigation are bigger, it is possible to obtain the resistivity of undisturbed formation, i.e. layer depth resistivity, can reflect stratum
Fluid properties.
Rw (inverse) is that one utilizes Archie formulaThe calculating of the formation water resistivity that inverse is tried to achieve
Mode, unit is ohm meter, Ω m.Wherein, SwFor reservoir water saturation,For reservoir porosity, RtThe most electric for reservoir
Resistance rate, unit Ω m, a, b are lithologic index, and m is cementation factor, and n is saturation exponent, and a, b, m, n all can be real from rock electricity
Obtain in testing.
SHindexFor lithologic index, computing formula isDimensionless.
GR、GRmin、GRmaxBeing expressed as the gamma ray log value of target zone, clean sandstone and pure shale, unit is
API。
In aforementioned manners, point Reservoir type draws cross plot, not can go out inhomogeneity drawing in the cross plot knowledge generated
Oil reservoir belonging to type reservoir, water layer, oil-water common-layer etc., further can determine that the suspicious low-resistivity reservoir needing to identify.?
In the embodiment of the present application, operating personnel can according to the definition such as surveying conditions, geological data, exploitation requirement is described can low oil resistance
The implication of layer.Application a kind of embodiment in, the oil-water-layer that correspondence identifies, can comprehensive various data, arrange multinomial
Matching condition, multi-angle, various dimensions according to conditional filtering, determine suspicious low-resistivity reservoir.In a kind of embodiment of the present invention,
The described matching condition according to setting determines that suspicious low-resistivity reservoir may include that
S102: the described cross plot generated of drawing is shown as water layer, and according to landwaste data and/or features of logging curve
Data are judged as the reservoir of oil-containing, are divided into suspicious low-resistivity reservoir.
Wherein, to reservoir, whether oil-containing directly gives result to landwaste data, according to including natural potential on log
Abnormal amplitudes is low, and the reservoir characteristics deep, shallow resistivity difference is big judges reservoir whether oil-containing.If generally reservoir on log
There is cycle skipping in gassiness then interval transit time curve, the phenomenon that neutron porosity is relatively low.Need explanation, above-mentioned middle according to landwaste
Data and/or features of logging curve data judge to store whether oil-containing typically refers to according to landwaste data and/or log special
Levy information that data characteristics demonstrates may oil-containing, based on these data or features of logging curve data in addition experience or setting
Mark judges whether oil-containing.Special certainly for different operating personnels or enforcement scene, identical landwaste data or log
Levying data and there may be different judged results, concrete can carry out self-defined setting, the application according to actual field application
This is not restricted.
Concrete one practices in scene, as being shown as water layer for plate, and landwaste data and log special
Levy display the reservoir of oily to draw and can be divided into suspicious low-resistivity reservoir.General, whether reservoir may be contained by landwaste data
Oil can directly give result, and on log, it is relatively low that reservoir characteristics generally includes spontaneous potential anomaly value, electricity deep, shallow
The gassiness if resistance rate differs greatly, there is cycle skipping and the relatively low phenomenon of neutron porosity in interval transit time curve.Such as B in accompanying drawing 4
Layer, in identifying plate, it is shown as water layer, but it can be seen that it is close with A layer SP amplitude difference from individual well block diagram, hence it is evident that
Less than bottom typical case's water layer, therefore suspicious low-resistivity reservoir can be regarded as under the matching condition that the present embodiment sets.Fig. 4
Suspicious low-resistivity reservoir for one embodiment of the invention finds process schematic.
The present embodiment can carry out storage class division in conjunction with seismic data to target exploration region, to the difference divided
Storage carries out oil-water layer identification, determines suspicious low-resistivity reservoir according to the matching condition set.
S2: according to the trap origin cause of formation, determines the Oil-gas Accumulation Types of layer position belonging to described suspicious low-resistivity reservoir.
The present embodiment can determine the oil reservoir class of layer position belonging to described suspicious low-resistivity reservoir according to storage trap member
Type.According to fixed seismic data, Oil Reservoir Types belonging to suspicious low-resistivity reservoir can be studied when being embodied as.Such as
In one embodiment, the Dominated Factors by the research discovery trap forming of target exploration regional earthquake data is that tomography hides
Gear, layer position, suspicious low-resistivity reservoir place is grown fault barrier trap, is consequently belonging to oil gas fault pool, for the one of structural deposit
Kind.It should be noted that the determination of the suspicious low-resistivity reservoir of the present invention, the determination etc. of described Oil-gas Accumulation Types are not limited to embodiment
Described in definite sequence really, in other some embodiments, as can also be first determined position, each layer of target exploration region
Oil-gas Accumulation Types, then finds the layer position belonging to suspicious low-resistivity reservoir, then determines the oil gas of layer position belonging to suspicious low-resistivity reservoir
Hide type.
The type of oil-gas reservoir can include much dividing, mode classification.In a kind of embodiment of the offer of the present invention, institute
State Oil-gas Accumulation Types may include that
S201: according to the Dominated Factors of trap forming, oil-gas reservoir is divided into structural deposit, oil-gas stratigraphic deposits, lithology
Oil-gas reservoir, hydro-dynamic reservoirs and combination pool.
S3: described Oil-gas Accumulation Types is carried out reservoiring mechanism analyzing and processing, it may be judged whether meet described Oil-gas Accumulation Types
Accumulating condition.
The present embodiment determines the Oil-gas Accumulation Types of layer position belonging to described suspicious low-resistivity reservoir, can be further to described
Oil-gas Accumulation Types carries out reservoiring mechanism analyzing and processing, it may be judged whether meet the accumulating condition of described Oil-gas Accumulation Types.Described judgement
Whether meet accumulating condition concrete self-defining mode can be used to be analyzed place according to earthquake analysis, experience etc.
Reason.In a kind of embodiment that the present embodiment provides, it is provided that several one-tenth carrying out reservoiring mechanism analysis hide Consideration angle,
Analyze Filling process, it is judged that become the probability hidden, and then determine whether to meet Forming Conditions For Oil And Gas Reservoir.Therefore, the one of the application
In kind of embodiment, described in carry out reservoiring mechanism analysis and include:
S301: to layer position belonging to suspicious earthquake oil reservoir from including hydrocarbon source rock, reservoir, cap rock, trap condition, migration of oil and gas
At least one angle in shifting, oil-gas preservation condition carries out accumulation feature analysis.
Can certainly include except above-mentioned be mentioned to 6 angles in addition to other angles carry out reservoiring mechanism analysis.?
Filling process can be analyzed by actual process with petroleum distribution situation in binder course.Below the embodiment of the present application is divided
The other implementation process to each reservoiring mechanism analytic angle illustrates, can comprise when actual data analysis processes more or
The processing procedure that person is less, and carry out adaptive change according to actual field situation.
Hydrocarbon source rock analysis can include analyzing the abundance of organic matter of hydrocarbon source rock, organic matter type and maturity of organic matter.?
In one embodiment, abundance of organic matter evaluation index can select TOC (total content of organic carbon), such as measure in the present embodiment
To can be 0.72～3.97% with the TOC scope of the purpose reservoir at low-resistivity reservoir place, abundance of organic matter is higher.Organic class
Type can use kerogenic micro-composition method, elementary composition method and rock pyrolysis parametric method to divide, and result shows hydrocarbon source
Rock organic matter type is mainly I type, II a type kerogen.Maturity of organic matter uses vitrinite reflectance rate to study, result
Showing that reflectance of vitrinite is 0.5～0.8%, Maturity is relatively low.If the layer hydrocarbon source rock of purpose reservoir does not has analytical test
Data, can use analogy method to draw, i.e. utilizes with to study layer position close together, and deposition characteristics, Tectono-thermal process are close
Other shale layer data carry out analogy and obtain.Storage lid for mutual laminar combines, can be by analyzing conventional oil near hydrocarbon source rock
Number of layers number and oil saturation numerical value height hydrocarbon source rock effectiveness is judged.A reality such as accompanying drawing 5 present invention
Executing sand-mud interbed in example is typical laminar source-reservoir-seal assemblage mutually, and wherein mud stone is main hydrocarbon source rocks, but near A layer, not
Grow oil reservoir, therefore judge that near this layer, hydrocarbon source rock effectiveness is relatively low.
Include when using reservoir condition analysis analyzing the porosity of reservoir, permeability and reservoir properties lower limit data.?
In one embodiment, the porosity and permeability of reservoir can be given by core analysis and the well log interpretation based on it, storage
Layer physical property lower limit is given by comprehensive analysis of physical property and oiliness.One embodiment such as analyze and shows that this can be with low-resistivity reservoir
The Effective Reservoirs physical property lower limit of affiliated layer position is porosity 8%, permeability 10md, millidarcy, if reservoir properties is higher than this standard
Oil gas can be assembled, otherwise cannot form effectively gathering.
Use cap rock condition can include when analyzing analyzing the lithology of cap rock, replacement pressure, thickness and seriality.At one
In embodiment, the lithology of cap rock and replacement pressure are sampled by cap rock and carry out analytical test and draw.Such as see through rock core, landwaste
Examining, the cap rock lithology of layer position belonging to low-resistivity reservoir is mud stone.After capillary pressure is tested, find that the replacement pressure of cap rock is 2
～3MPa, there is preferable Capped Ability.Comprehensive seismic data carries out Lian Jing analysis, comments depth of cover and seriality
Valency, the meansigma methods trying to achieve depth of cover is 6.78m, maximum 19.5m, minima are 0.84m, and the distribution of cap rock is relatively
Greatly, seriality is preferable, typically can cover 5～6 well spacings, part cap rock whole district Stable distritation.
Trap condition can include whether closing trap studying.Such as in an embodiment application scenarios, circle
Closing as fault trap, on the end face structural map of layer position, equal pitch contour shows and can form closed space, and has certain limit, it is judged that
Trap is effective.
Oil-gas migration condition can comprise determining whether exist and in the presence of analyze sand body conductor department, fracture, unconformity
Conductor departments etc. are as the phenomenon of hydrocarbon migration channel.In one embodiment, the closure of fracture can be according to mudstone creep system
Number judges, formula is: mudstone creep coefficientWherein, mud shale one-tenth-value thickness 1/10 in reservoir, unit m, D for the purpose of T
For fault throw, unit m.Study area result of determination is demarcated by the tomography CSP value according to known closure, divides C1, C2
Value, result show the C1 value of this layer of position be 30, C2 value be 15.In the present embodiment application scenarios as purpose reservoir CSP > 30, disconnected
Layer is closure；When 15 < CSP, < when 30, tomography is possible to close to open；As CSP, < when 15, tomography is openability.Should
Layer position CSP numerical value is 19.5～52.8.C1 C2 value be usually to demarcate according to the closure of the known tomography in study area and obtain.This
It is also one of interior Main judging closure of industry that sample does.Known closure acquisition methods is a lot, such as takes from drilling well
Heart data is immediately seen, and such as utilizes Production development data to judge do not have tomography barrier effect etc.
Unconformity conductor department mainly judges according to rock core and seismic data, in one embodiment of the invention, and rock
Unconformity is presented as the sudden change of the upper and lower lithology in interface in the heart, and bottom is celadon packsand, and top is Lycoperdon polymorphum Vitt conglomerate, and contains
Wash surface.On seismic data, unconformity is mainly reflected in the sudden change of interface inclination layer up and down and the earthquake that interface is the most different
Reflective contact relation, is upper super-contact on interface, under be shown as cutting and cut.Unconformable ability of dredging needs to provide according to rock core
Material judges.In this embodiment, by mud stone filling near unconformity, can not be as oil-gas migration main thoroughfare.
In the present embodiment, sand body conductor department can be closed with tomography and unconformity by the research of purpose reservoir layer sand-body distribution
Journal of Sex Research draws, result shows the later growth of sand body conductor department in layer position.
Preservation condition can include whether analysis is destroyed after determining Hydrocarbon Formation Reservoirs.In an embodiment of the invention, right
The tectonic geology motion that purpose reservoir is experienced is studied, and result shows that this set sand-mud interbed Formed age is relatively new, heavy
After Ji, the tectonism through going through is less, and after therefore judging into Tibetan, preservation condition is preferable.
To sum up, according to the exploration phase obtain macroscopical reservoir forming knowledge and have proven to oil-water-layer data (through rock core, formation testing and life
Produce the oil-water-layer that data confirm) analyze the Filling process of layer position belonging to suspicious low-resistivity reservoir so that it is meet the development phase to oil gas
The understanding of distribution.Analysis of causes result can be hidden, according to warp in conjunction with included in above-mentioned 6 analytic angles or multinomial one-tenth
Test or self-defined accumulating condition is set, it is judged that whether layer position belonging to suspicious low-resistivity reservoir meets the one-tenth of described Oil-gas Accumulation Types is hidden
Condition.The most in one embodiment of the invention, high quality source rock is linked up by good migration condition with reservoir, in trap
Becoming to hide, and later structural destruction is less, it is believed that can become to hide, if being judged as without becoming to hide possible, being then judged to water layer.Certainly, tool
The analyzing and processing of all angles of body and the setting of accumulating condition can be configured according to reality application.
S4: if meeting, then all sand bodies in layer position, suspicious low-resistivity reservoir place are carried out unit in units of oil-gas reservoir
Segmentation.
After belonging to suspicious low-resistivity reservoir, layer position carries out reservoiring mechanism analysis, if being unsatisfactory for the accumulating condition arranged, it is judged that
Become to hide probability relatively low, then can be determined that layer position, suspicious low-resistivity reservoir place is water layer；If meeting accumulating condition, it is judged that Ke Yicheng
Hide, then enter step S5, carry out next step fine processing.
When being embodied as, in one embodiment of the invention by sand body in layer position, suspicious low-resistivity reservoir place by oil-gas reservoir
For unit subdivision, mark off " sand one is hidden " and " many sand one are hidden ".Wherein " sand one is hidden " refers to that a sand body is as an oil
Gas reservoir individualism, this is as a unit, and containing pressure system and oil-water interfaces, " many sand one are hidden " refers to vertical multiple phases
Adjacent sand body one oil-gas reservoir of composition, has identical pressure system and oil-water interfaces.
S5: in the single oil gas of described unit subdivision is hidden, read absolute elevation and the place oil reservoir of suspicious low-resistivity reservoir
Oil-water interfaces, it is judged that the oiliness of suspicious low-resistivity reservoir, identify the type of reservoir of suspicious low-resistivity reservoir.
It is generally acknowledged that reservoir to be determined is oil reservoir on oil-water interfaces, reservoir to be determined is under oil-water interfaces
Water layer, reservoir to be determined is oil-water common-layer near oil-water interfaces.The acquisition methods of oil-water interfaces is a lot, and such as DST tests
Method, multi-well correlation method etc., can obtain.
When being embodied as, in this embodiment, in single oil reservoir, read suspicious low-resistivity reservoir height above sea level and place oil
Hide oil-water interfaces, if suspicious low-resistivity reservoir is positioned on oil-water interfaces, be then oil reservoir；It is positioned under oil-water interfaces, is then water
Layer；If being positioned near oil-water interfaces, then it it is oil-water common-layer.Near described oil-water interfaces concrete can arrange one vertically away from
From, as distance oil-water interfaces 10 meters in then it is believed that be oil-water common-layer.Therefore, in one embodiment of the invention, described
The oiliness identifying suspicious low-resistivity reservoir includes: arrange minimum distance Hmin of distinguishing of oil layer recognition, and,
If suspicious low-resistivity reservoir is positioned at the distance on oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it is oil
Layer；
If suspicious low-resistivity reservoir is positioned at the distance under oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it is water
Layer；
If within suspicious low-resistivity reservoir is positioned at distance oil-water interfaces Hmin, being then oil-water common-layer.
In a most concrete oil-gas reservoir, suspicious low-resistivity reservoir height above sea level is 2021m, this suspicious low-resistivity reservoir place
" many sand one are hidden " oil-water interfaces be 2062m, suspicious layer is positioned on oil-water interfaces, and the highest, it is judged that it is low oil resistance
Layer, confirms through Production development, this layer is oil reservoir.
The multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods that the embodiment of the present invention provides, can be for multilamellar sandstone oil gas
Hide, on the basis of the reservoir forming knowledge of exploration phase, the understanding of the internal distribution of oil and water layers in binder course position, Filling process is studied from district
Block entirety extends to single oil gas and hides, and judges the fluid properties of reservoir, it is achieved from another in single oil gas is hidden
Angle explains conventional logging and the unascertainable suspicious low-resistivity reservoir of new Logging Technology judges, improves identification accurately
Rate.Embodiment of the present invention is by the reservoir-forming study application of result in oil-gas exploration stage in Reservoir Development, and object of study is gradually
Refinement, specifies the Filling process of each oil-gas reservoir.Along with conventional logging means of interpretation and the improvement of new Logging Technology method, pass through
Constantly combine with becoming the understanding hidden, low-resistivity reservoir understanding is deepened continuously, it is judged that accuracy rate improves constantly.This Shen generally
Please based on becoming to hide the low-resistivity reservoir identification embodiment analyzed, tap the latent power provide new technical support for High water cut, old filed, and
Produce actual application value in actual applications.
Based on the multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods that the present invention is described above, the present invention also provides for a kind of multilamellar
Sandstone oil reservoir low-resistivity reservoir identification device, described device may be used in the operation system of multiple terminal equipment, server, it is achieved
The identification of multilamellar sandstone oil reservoir medium or low resistance oil reservoir, improves recognition accuracy.Fig. 6 is a kind of multilamellar sandstone oil reservoir that the present invention provides
The modular structure schematic diagram of a kind of embodiment of low-resistivity reservoir identification device, as shown in Figure 6, described device may include that
Suspicious layer determines module 101, may be used for combining seismic data and target exploration region is carried out Reservoir type division,
The different types of reservoir divided is carried out oil-water layer identification, determines suspicious low-resistivity reservoir；
Determination type module 102, may be used for, according to the trap origin cause of formation, determining the oil of layer position belonging to described suspicious low-resistivity reservoir
Gas reservoir types；
Judging treatmenting module 103, may be used for described Oil-gas Accumulation Types is carried out reservoiring mechanism analyzing and processing, it may be judged whether
Meet the accumulating condition of described Oil-gas Accumulation Types；
Dividing elements 104, if the Oil-gas Accumulation Types that may be used for suspicious low-resistivity reservoir meets the one-tenth of described Oil-gas Accumulation Types
Tibetan condition, then be that unit carries out unit subdivision by all sand bodies in layer position, suspicious low-resistivity reservoir place by oil-gas reservoir；
Identification module 105, may be used for, in the single oil gas of described unit subdivision is hidden, reading the sea of suspicious low-resistivity reservoir
Lift journey and the oil-water interfaces of place oil reservoir, identify the oiliness of suspicious low-resistivity reservoir.
After dividing different storage classes, oil-water layer identification can be carried out in the way of using based on resistivity.In the present invention
An embodiment in, physical property resistivity intersection, Rw (inverse) SH can be used inside every class reservoirindexIntersection pair
Reservoir oiliness carries out judging (as shown in accompanying drawing 2, accompanying drawing 3), then can carry out oil according to the oiliness of the storage judged
Water layer identification.In a kind of embodiment of described device, it is permissible that the described different types of reservoir to dividing carries out oil-water layer identification
Including:
Physical property-resistivity intersection, Rw (inverse) SH is used inside every class reservoirindexIntersection divides Reservoir type to draw
Generate corresponding cross plot, according to described cross plot, properties of fluid in bearing stratum is judged.
In aforementioned manners, point Reservoir type draws cross plot, not can go out inhomogeneity drawing in the cross plot knowledge generated
Oil reservoir belonging to type reservoir, water layer, oil-water common-layer etc., further can determine that the suspicious low-resistivity reservoir needing to identify.?
In the embodiment of the present application, operating personnel can according to the definition such as surveying conditions, geological data, exploitation requirement is described can low oil resistance
The implication of layer.Application a kind of embodiment in, the oil-water-layer that correspondence identifies, can comprehensive various data, arrange multinomial
Matching condition, multi-angle, various dimensions according to conditional filtering, determine suspicious low-resistivity reservoir.Therefore, in another kind of embodiment,
The described matching condition according to setting determines that suspicious low-resistivity reservoir may include that
The described cross plot generated of drawing is shown as water layer, and according to landwaste data and/or features of logging curve data
It is judged as the reservoir of oil-containing, is divided into suspicious low-resistivity reservoir；Wherein, to reservoir, whether oil-containing directly gives result to landwaste data,
According to including that spontaneous potential anomaly amplitude is low on log, the reservoir characteristics deep, shallow resistivity difference is big judges that reservoir is
No oil-containing.
The type of oil-gas reservoir can include much dividing, mode classification.In a kind of embodiment of the offer of the present invention, institute
State Oil-gas Accumulation Types and may include that the Dominated Factors according to trap forming, oil-gas reservoir is divided into structural deposit, hydrocarbon stratum
Tibetan, lithologic deposit, hydro-dynamic reservoirs and combination pool.
The present embodiment determines the Oil-gas Accumulation Types of layer position belonging to described suspicious low-resistivity reservoir, can be further to described
Oil-gas Accumulation Types carries out reservoiring mechanism analyzing and processing, it may be judged whether meet the accumulating condition of described Oil-gas Accumulation Types.Described judgement
Whether meet accumulating condition concrete self-defining mode can be used to be analyzed place according to earthquake analysis, experience etc.
Reason.In a kind of embodiment that the present embodiment provides, it is provided that several one-tenth carrying out reservoiring mechanism analysis hide Consideration angle,
Analyze Filling process, it is judged that become the probability hidden, and then determine whether to meet Forming Conditions For Oil And Gas Reservoir.Described carry out reservoiring mechanism
Analysis includes:
To layer position belonging to suspicious earthquake oil reservoir from including hydrocarbon source rock, reservoir, cap rock, trap condition, oil-gas migration, oil gas
At least one angle in preservation condition carries out accumulation feature analysis.Concrete can include the following:
Hydrocarbon source rock is used to include when analyzing analyzing the abundance of organic matter of hydrocarbon source rock, organic matter type and maturity of organic matter,
Wherein, abundance of organic matter evaluation index selects TOC；Organic matter type use kerogenic micro-composition method, elementary composition method and
Rock pyrolysis parametric method divides；Maturity of organic matter uses vitrinite reflectance rate to be analyzed.
Include when using reservoir condition analysis analyzing the porosity of reservoir, permeability and reservoir properties lower limit data, its
In, the porosity and permeability of reservoir is given by core analysis and well log interpretation, and reservoir properties lower limit is by physical property and oiliness
Comprehensive analysis be given.
Cap rock condition is used to include when analyzing analyzing the lithology of cap rock, replacement pressure, thickness and seriality, wherein, cap rock
Replacement pressure be analyzed chemical examination draw by cap rock sampling.
Use oil-gas migration condition analysis time comprise determining whether exist and in the presence of analyze sand body conductor department, fracture,
Unconformity conductor department is as the phenomenon of hydrocarbon migration channel；Wherein, sand body conductor department effectiveness is by sand body and tomography, unconformity
Spatial relationship and tomography, unconformable closure comprehensive study draw；The closure of fracture is sentenced according to mudstone creep coefficient
Disconnected, mudstone creep coefficientMud shale one-tenth-value thickness 1/10 in stratum for the purpose of T, unit m, D is fault throw, unit m；
Unconformity conductor department judges according to rock core information.
The result of determination of suspicious low-resistivity reservoir is demarcated by the tomography CSP value according to known closure, divides C1, C2
Value, as target zone CSP > C1, tomography is closure；As C2 < CSP, < during C1, tomography is possible to close to open；When CSP <
During C2, tomography is openability；
Unconformable closure is mainly according to plane of unconformity on the feature of unconformity complex on rock core or log
Upper and lower lithology judges.
The analytic angle specific embodiment of concrete each accumulating condition is referred to preceding method embodiment and describes,
Do not repeat at this.
In the another kind of embodiment of apparatus of the present invention, in single oil reservoir, read suspicious low-resistivity reservoir height above sea level and place
Reservoir oil water termination, if suspicious low-resistivity reservoir is positioned on oil-water interfaces, is then oil reservoir；It is positioned under oil-water interfaces, is then
Water layer；If being positioned near oil-water interfaces, then it it is oil-water common-layer.Near described oil-water interfaces concrete can arrange one vertical
Distance, then it is believed that for the oiliness bag identifying suspicious low-resistivity reservoir as described in oil-water common-layer in distance oil-water interfaces 10 meters
Include: minimum distance Hmin of distinguishing of oil layer recognition is set, and,
If suspicious low-resistivity reservoir is positioned at the distance on oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it is oil
Layer；
If suspicious low-resistivity reservoir is positioned at the distance under oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it is water
Layer；
If within suspicious low-resistivity reservoir is positioned at distance oil-water interfaces Hmin, being then oil-water common-layer.
In a most concrete oil-gas reservoir, suspicious low-resistivity reservoir height above sea level is 2021m, this suspicious low-resistivity reservoir place
" many sand one are hidden " oil-water interfaces be 2062m, suspicious layer is positioned on oil-water interfaces, and the highest, it is judged that it is low oil resistance
Layer, confirms through Production development, this layer is oil reservoir.
The multilamellar sandstone oil reservoir low-resistivity reservoir identification device that the embodiment of the present invention provides, can be for multilamellar sandstone oil gas
Hide, on the basis of the reservoir forming knowledge of exploration phase, the understanding of the internal distribution of oil and water layers in binder course position, Filling process is studied from district
Block entirety extends to single oil gas and hides, and judges the fluid properties of reservoir, it is achieved from another in single oil gas is hidden
Angle explains conventional logging and the unascertainable suspicious low-resistivity reservoir of new Logging Technology judges, improves identification accurately
Rate.Embodiment of the present invention is by the reservoir-forming study application of result in oil-gas exploration stage in Reservoir Development, and object of study is gradually
Refinement, specifies the Filling process of each oil-gas reservoir.Along with conventional logging means of interpretation and the improvement of new Logging Technology method, pass through
Constantly combine with becoming the understanding hidden, low-resistivity reservoir understanding is deepened continuously, it is judged that accuracy rate improves constantly.This Shen generally
Please based on becoming to hide the low-resistivity reservoir identification embodiment analyzed, tap the latent power provide new technical support for High water cut, old filed, and
Produce actual application value in actual applications.
Although mention physical property-resistance intersection in teachings herein, A Erqi company is loaded down with trivial details asks resistivity, analysis of reservoir forming conditions
Shi Caiyong paint factor judges that closure, " sand one is hidden " or the oil-gas reservoir division of " many sand one are hidden " of fracture, machine matter abundance are commented
Valency index select TOC, preserve/migrate/cap rock condition analysis, landwaste data provide the seismic data analysis of result etc., define, sentence
The description of disconnected mode etc., but, it must be data analysis in conformance with standard seismic prospecting that the application is not limited to, process, retouch
The situation etc. of the description stated or arrive mentioned by embodiment, some industry standard, conventional treatment method or use self-defined mode
Or embodiment describe practice processes on the most amended embodiment can also realize above-described embodiment identical, equivalent or phase
Closely or deformation after foreseeable implementation result.Apply the data analysis after these amendments or deformation, define, judge, processing mode
Deng the embodiment of acquisition, within the scope of still may belong to the optional embodiment of the application.
Although this application provides the method operating procedure as described in embodiment or flow chart, but based on conventional or noinvasive
The means of the property made can include more or less operating procedure.The sequence of steps enumerated in embodiment is only numerous steps
A kind of mode in execution sequence, does not represent unique execution sequence.When device in practice or client production perform, can
To perform or executed in parallel (at such as parallel processor or multithreading according to embodiment or method shown in the drawings order
The environment of reason, even distributed data processing environment).Term " includes ", " comprising " or its any other variant are intended to contain
Comprising of lid nonexcludability, so that include that the process of a series of key element, method, product or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, product or equipment
Intrinsic key element.In the case of there is no more restriction, it is not excluded that include the process of described key element, method, product or
Person's equipment there is also other identical or equivalent elements.
Unit, device or the modules etc. that above-described embodiment illustrates, specifically can be realized by computer chip or entity, or
Realized by the product with certain function.For convenience of description, it is divided into various module to divide with function when describing apparatus above
Do not describe.Certainly, can be the function of each module reality in same or multiple softwares and/or hardware when implementing the application
Existing, it is also possible to the module combination realization etc. by multiple submodules or subelement of same function will be realized.
It is also known in the art that in addition to realizing controller in pure computer readable program code mode, complete
Full controller can be made with gate, switch, special IC, able to programme by method step carries out programming in logic
The form of logic controller and embedding microcontroller etc. realizes identical function.The most this controller is considered one
Hardware component, and its inside is included can also be considered as the structure in hardware component for the device realizing various function.Or
The device being used for realizing various function even, can be considered as not only can being the software module of implementation method but also can be hardware by person
Structure in parts.
The application can be described in the general context of computer executable instructions, such as program
Module.Usually, program module includes performing particular task or realizing the routine of particular abstract data type, program, object, group
Part, data structure, class etc..The application can also be put into practice in a distributed computing environment, in these distributed computing environment,
Task is performed by the remote processing devices connected by communication network.In a distributed computing environment, program module can
To be positioned in the local and remote computer-readable storage medium of storage device.
As seen through the above description of the embodiments, those skilled in the art it can be understood that to the application can
The mode adding required general hardware platform by software realizes.Based on such understanding, the technical scheme essence of the application
On the part that in other words prior art contributed can embody with the form of software product, this computer software product
Can be stored in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that a computer equipment
(can be personal computer, mobile terminal, server, or the network equipment etc.) performs each embodiment of the application or enforcement
The method described in some part of example.
Each embodiment in this specification uses the mode gone forward one by one to describe, same or analogous portion between each embodiment
Dividing and see mutually, what each embodiment stressed is the difference with other embodiments.The application can be used for crowd
In the most general or special purpose computing system environments or configuration.Such as: personal computer, server computer, handheld device or
Portable set, laptop device, multicomputer system, system based on microprocessor, set top box, programmable electronics set
Standby, network PC, minicomputer, mainframe computer, the distributed computing environment including any of the above system or equipment etc..
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application have many deformation and
Change is without deviating from spirit herein, it is desirable to appended claim includes that these deformation and change are without deviating from the application's
Spirit.
Claims (20)
1. a multilamellar sandstone oil reservoir Low Resistivity Reservoir Identification Methods, it is characterised in that described method includes:
In conjunction with seismic data, target exploration region is carried out Reservoir type division, the different types of reservoir divided is carried out profit
Layer identifies, determines suspicious low-resistivity reservoir；
According to the trap origin cause of formation, determine the Oil-gas Accumulation Types of layer position belonging to described suspicious low-resistivity reservoir；
Described Oil-gas Accumulation Types is carried out reservoiring mechanism analyzing and processing, it may be judged whether the one-tenth meeting described Oil-gas Accumulation Types hides bar
Part；
If meeting, then it is that unit carries out unit subdivision by all sand bodies in layer position, suspicious low-resistivity reservoir place by oil-gas reservoir；
In the single oil gas of described unit subdivision is hidden, read absolute elevation and profit circle of place oil reservoir of suspicious low-resistivity reservoir
Face, identifies the oiliness of suspicious low-resistivity reservoir.
2. the method for claim 1, it is characterised in that the described different types of reservoir to dividing carries out oil-water-layer knowledge
Do not include:
Physical property-resistivity intersection, Rw (inverse) SH is used inside every class reservoirindexIntersection divides Reservoir type to draw generation
Corresponding cross plot, judges properties of fluid in bearing stratum according to described cross plot.
3. method as claimed in claim 2, it is characterised in that the described matching condition according to setting determines suspicious low-resistivity reservoir
Including:
The described cross plot generated of drawing is shown as water layer, and judges according to landwaste data and/or features of logging curve data
For the reservoir of oil-containing, it is divided into suspicious low-resistivity reservoir；Wherein, to reservoir, whether oil-containing directly gives result to landwaste data, is surveying
According to including that spontaneous potential anomaly amplitude is low on well curve, the reservoir characteristics deep, shallow resistivity difference is big judges whether reservoir contains
Oil.
4. the method as described in any one in claims 1 to 3, it is characterised in that described in carry out reservoiring mechanism analysis and include:
To layer position belonging to suspicious earthquake oil reservoir from including hydrocarbon source rock, reservoir, cap rock, trap condition, oil-gas migration, hydrocarbon preservation
At least one angle in condition carries out accumulation feature analysis.
5. method as claimed in claim 4, it is characterised in that use hydrocarbon source rock to include analyzing the organic matter of hydrocarbon source rock when analyzing
Abundance, organic matter type and maturity of organic matter, wherein, abundance of organic matter evaluation index selects TOC；Organic matter type uses dry
The micro-composition method of cheese root, elementary composition method and rock pyrolysis parametric method divide；Maturity of organic matter uses vitrinite anti-
The rate method of penetrating is analyzed.
6. method as claimed in claim 4, it is characterised in that include the hole analyzing reservoir when using reservoir condition analysis
Degree, permeability and reservoir properties lower limit data, wherein, the porosity and permeability of reservoir is given by core analysis and well log interpretation
Going out, reservoir properties lower limit is given by comprehensive analysis of physical property and oiliness.
7. method as claimed in claim 4, it is characterised in that use cap rock condition include when analyzing analyzing cap rock lithology,
Replacement pressure, thickness and seriality, wherein, the replacement pressure of cap rock is analyzed chemical examination draws by cap rock sampling.
8. method as claimed in claim 4, it is characterised in that comprise determining whether when using oil-gas migration condition analysis to exist
And in the presence of analyze sand body conductor department, fracture, unconformity conductor department as the phenomenon of hydrocarbon migration channel；Wherein, sand body is defeated
Conductor effectiveness is drawn with tomography, unconformity spatial relationship and tomography, unconformable closure comprehensive study by sand body；
The closure of fracture judges according to mudstone creep coefficient, mudstone creep coefficientMud shale in stratum for the purpose of T
One-tenth-value thickness 1/10, unit m, D is fault throw, unit m；Unconformity conductor department judges according to rock core information.
9. method as claimed in claim 8, it is characterised in that according to the tomography CSP value of known closure to suspicious low oil resistance
The result of determination of layer is demarcated, and divides C1, C2 value, and as target zone CSP > C1, tomography is closure；When C2 < CSP < during C1,
Tomography is possible to close to open；As CSP, < during C2, tomography is openability；
Unconformable closure is mainly upper and lower according to plane of unconformity on the feature of unconformity complex on rock core or log
Lithology judge.
10. the method for claim 1, it is characterised in that described in identify the oiliness of suspicious low-resistivity reservoir and include: set
Put minimum distance Hmin of distinguishing of oil layer recognition, and,
If suspicious low-resistivity reservoir is positioned at the distance on oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it it is oil reservoir；
If suspicious low-resistivity reservoir is positioned at the distance under oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it it is water layer；
If within suspicious low-resistivity reservoir is positioned at distance oil-water interfaces Hmin, being then oil-water common-layer.
11. 1 kinds of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices, it is characterised in that described device includes:
Suspicious layer determines module, is used for combining seismic data and target exploration region is carried out Reservoir type division, to dividing not
Carry out oil-water layer identification with the reservoir of type, determine suspicious low-resistivity reservoir；
Determination type module, for according to the trap origin cause of formation, determines the Oil-gas Accumulation Types of layer position belonging to described suspicious low-resistivity reservoir；
Judging treatmenting module, for carrying out reservoiring mechanism analyzing and processing to described Oil-gas Accumulation Types, it may be judged whether meet described oil
The accumulating condition of gas reservoir types；
Dividing elements, if the Oil-gas Accumulation Types being used for suspicious low-resistivity reservoir meets the accumulating condition of described Oil-gas Accumulation Types, then will
In layer position, suspicious low-resistivity reservoir place, all sand bodies are that unit carries out unit subdivision by oil-gas reservoir；
Identification module, in hiding at the single oil gas of described unit subdivision, reads absolute elevation and the institute of suspicious low-resistivity reservoir
At the oil-water interfaces of oil reservoir, identify the oiliness of suspicious low-resistivity reservoir.
12. a kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices as claimed in claim 11, it is characterised in that described to drawing
The different types of reservoir divided carries out oil-water layer identification and includes:
Physical property-resistivity intersection, Rw (inverse) SH is used inside every class reservoirindexIntersection divides Reservoir type to draw generation
Corresponding cross plot, judges properties of fluid in bearing stratum according to described cross plot.
13. a kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices as claimed in claim 12, it is characterised in that described according to setting
Fixed matching condition determines that suspicious low-resistivity reservoir includes:
The described cross plot generated of drawing is shown as water layer, and judges according to landwaste data and/or features of logging curve data
For the reservoir of oil-containing, it is divided into suspicious low-resistivity reservoir；Wherein, to reservoir, whether oil-containing directly gives result to landwaste data, is surveying
According to including that spontaneous potential anomaly amplitude is low on well curve, the reservoir characteristics deep, shallow resistivity difference is big judges whether reservoir contains
Oil.
A kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification device as described in any one in 14. such as claim 11 to 13, it is special
Levy and be, described in carry out reservoiring mechanism analysis and include:
To layer position belonging to suspicious earthquake oil reservoir from including hydrocarbon source rock, reservoir, cap rock, trap condition, oil-gas migration, hydrocarbon preservation
At least one angle in condition carries out accumulation feature analysis.
15. a kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices as claimed in claim 14, it is characterised in that use hydrocarbon source
Rock includes when analyzing analyzing the abundance of organic matter of hydrocarbon source rock, organic matter type and maturity of organic matter, and wherein, abundance of organic matter is commented
Valency index selects TOC；Organic matter type uses kerogenic micro-composition method, elementary composition method and rock pyrolysis parametric method to carry out
Divide；Maturity of organic matter uses vitrinite reflectance rate to be analyzed.
16. a kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices as claimed in claim 14, it is characterised in that use and preserve
Include analyzing the porosity of reservoir, permeability and reservoir properties lower limit data during layer condition analysis, wherein, the porosity of reservoir and
Permeability is given by core analysis and well log interpretation, and reservoir properties lower limit is given by comprehensive analysis of physical property and oiliness.
17. a kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices as claimed in claim 14, it is characterised in that use cap rock
Including during condition analysis analyzing the lithology of cap rock, replacement pressure, thickness and seriality, wherein, the replacement pressure of cap rock is by lid
Layer sampling is analyzed chemical examination and draws.
18. a kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices as claimed in claim 14, it is characterised in that use oil gas
Migration condition analysis time comprise determining whether exist and in the presence of analyze sand body conductor department, fracture, unconformity conductor department as
The phenomenon of hydrocarbon migration channel；Wherein, sand body conductor department effectiveness is by sand body and tomography, unconformity spatial relationship and disconnected
Layer, unconformable closure comprehensive study draw；The closure of fracture judges according to mudstone creep coefficient, mudstone creep coefficientMud shale one-tenth-value thickness 1/10 in stratum for the purpose of T, unit m, D is fault throw, unit m；Unconformity conductor department root
Judge according to rock core information.
19. a kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices as claimed in claim 18, it is characterised in that according to known
The result of determination of suspicious low-resistivity reservoir is demarcated by the tomography CSP value of closure, divides C1, C2 value, as target zone CSP > C1
Time, tomography is closure；As C2 < CSP, < during C1, tomography is possible to close to open；As CSP, < during C2, tomography is openability
's；
Unconformable closure is mainly upper and lower according to plane of unconformity on the feature of unconformity complex on rock core or log
Lithology judge.
20. a kind of multilamellar sandstone oil reservoir low-resistivity reservoir identification devices as claimed in claim 11, it is characterised in that described identification
The oiliness going out suspicious low-resistivity reservoir includes: arrange minimum distance Hmin of distinguishing of oil layer recognition, and,
If suspicious low-resistivity reservoir is positioned at the distance on oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it it is oil reservoir；
If suspicious low-resistivity reservoir is positioned at the distance under oil-water interfaces and away from described oil-water interfaces is more than Hmin, then it it is water layer；
If within suspicious low-resistivity reservoir is positioned at distance oil-water interfaces Hmin, being then oil-water common-layer.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107368688A (en) * | 2017-07-27 | 2017-11-21 | 中国石油天然气股份有限公司 | The determination method and apparatus of marine facies single sand body |
| CN108680956A (en) * | 2018-01-08 | 2018-10-19 | 中国石油大港油田勘探开发研究院 | A kind of oil rich subdepression mature exploration area entirety exploitation method |
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| CN112287508A (en) * | 2019-07-12 | 2021-01-29 | 中国石油天然气股份有限公司 | Method and device for determining oil-gas-water interface based on formation pressure equivalent density |
| CN112505759A (en) * | 2020-03-10 | 2021-03-16 | 中海油能源发展股份有限公司 | Prediction method for gas saturation distribution of low-permeability sandstone reservoir |
| CN113049467A (en) * | 2021-03-12 | 2021-06-29 | 东北石油大学 | Device and method for simulating unconformity convergence ridge reservoir control mechanism |
| CN113550735A (en) * | 2021-07-12 | 2021-10-26 | 长江大学 | Method for calculating oil content of shale oil reservoir by using logging information |
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| CN113969781A (en) * | 2020-07-22 | 2022-01-25 | 中国石油天然气股份有限公司 | Sea-phase carbonate rock microporous pore structure cause low-resistance oil layer identification method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6628206B1 (en) * | 1998-10-23 | 2003-09-30 | Geoservices S.A. | Method and system for the transmission of informations by electromagnetic wave |
| CN102373923A (en) * | 2010-08-20 | 2012-03-14 | 中国石油天然气股份有限公司 | Reservoir stratum identification method |
| CN103437760A (en) * | 2013-08-30 | 2013-12-11 | 中国石油天然气股份有限公司 | Method for rapidly evaluating oil-water layer through array induction data |
| US20160102500A1 (en) * | 2014-10-10 | 2016-04-14 | Halliburton Energy Services, Inc. | Optimized production via geological mapping |
| CN105545301A (en) * | 2015-12-24 | 2016-05-04 | 西安石油大学 | Recognition method of properties of complex reservoir stratum fluid in different mud systems |
-
2016
- 2016-08-23 CN CN201610709563.7A patent/CN106285660B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6628206B1 (en) * | 1998-10-23 | 2003-09-30 | Geoservices S.A. | Method and system for the transmission of informations by electromagnetic wave |
| CN102373923A (en) * | 2010-08-20 | 2012-03-14 | 中国石油天然气股份有限公司 | Reservoir stratum identification method |
| CN103437760A (en) * | 2013-08-30 | 2013-12-11 | 中国石油天然气股份有限公司 | Method for rapidly evaluating oil-water layer through array induction data |
| US20160102500A1 (en) * | 2014-10-10 | 2016-04-14 | Halliburton Energy Services, Inc. | Optimized production via geological mapping |
| CN105545301A (en) * | 2015-12-24 | 2016-05-04 | 西安石油大学 | Recognition method of properties of complex reservoir stratum fluid in different mud systems |
Non-Patent Citations (3)
| Title |
|---|
| 中国石油勘探与生产分公司: "《低阻油气藏测井评价技术及应用》", 30 November 2009 * |
| 于洪岩等: "基于成因机理的低阻油层精细评价方法", 《吉林大学学报》 * |
| 周文等: "《盖层和断裂带的封堵作用评价》", 31 July 2000 * |
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