CN109061765A - The evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir - Google Patents
The evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir Download PDFInfo
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Abstract
The invention discloses the evaluation of trap methods of heterogeneous thin sandstone alternating layers oil reservoir: (a) combining well-log information, drilling-log data, coring data, seismic inversion data, carries out Strata Comparison division, STUDY OF SEDIMENTARY ENVIRONMENT；Simultaneously by geochemical data, source-rock evolution data are obtained；(b) Strata Comparison division, STUDY OF SEDIMENTARY ENVIRONMENT, source-rock evolution data are combined, reservoir characteristic is obtained；(c) according to seismic data, Seismology and Geology composite calibration, fault interpretation and development period analysis, tectonic level tracking, structural evolution analysis, structural trap analysis are successively carried out；(d) Hydrocarbon Formation Reservoirs research is carried out as a result, in conjunction with reservoir characteristic by structural evolution analysis；(e) final advantageous evaluation of trap is carried out.The present invention is difficult to effectively carry out to solve the problems, such as that the later period reserve recalculation of heterogeneous alternating layers old filed and prospect pit map out the work in the prior art, is embodied as old filed and provides the purpose of heterogeneous trap later stage evaluation method.
Description
Technical field
The present invention relates to petroleum exploration domains, and in particular to the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir.
Background technique
Reservoir heterogeneity refers to the inhomogeneities of the parameter of characterization reservoir spatially, is the universal feature of reservoir.?
It develops in evaluating reservoir, the heterogeneity of reservoir refers to that reservoir has dual heterogeneity, i.e., the rock of preservation fluid is non-
The fluid properties of preservation and the heterogeneity of occurrence in homogenieity and rock space.Reservoir heterogeneity had both included reservoir macroscopic view hair
Feature heterogeneity is educated, also includes micropore structure heterogeneity etc..The content of reservoir Journal of Sex Research is varied, main
Will include reservoir heterogeneity classification, evaluation, genetic analysis, the influence to reservoir property and fluid properties, to oil-gas field development
Influence etc..Reservoir thickness, reservoir properties and heterogeneity analysis shows, reservoir plane difference is big, heterogeneous strong, in conjunction with plane
In upper different zones gas well liquid loading feature show the heterogeneity in this plane of reservoir be influence gas well deliverability it is important because
Element.
For heterogeneous alternating layers sand body, existing Comprehensive evaluation of reservoir is more, mainly include qualitative evaluation and
Quantitative assessment two major classes.Qualitative evaluating method is applied to a long time ago, mainly according to reservoir porosity, the height of permeability
It is low, reservoir is divided into, in, poor three ranks, in combination with the textural maturity of rock, diagenesis, micro throat feature
Deng the storage and collection performance of evaluation reservoir.This qualitative evaluation is affected by human factors larger, the research people with different operating experience
For member to the same evaluation goal, evaluation result may have larger difference.This qualitative evaluating method by rule of thumb, artificially,
It there may come a time when that the evaluation to make mistake can be done.Therefore, Quantitative Evaluation of Reservoirs method is development trend in recent years.Quantitative Evaluation of Reservoirs
Method includes grey system theory, Principal Component Analysis, clustering methodology, analytic hierarchy process (AHP), neural network, fractal theory
Method etc..The introducing of these modern mathematics geological methods promotes the raising of evaluating reservoir research level.Gray system theory is first
Taught by Huazhong University of Science and Technology Deng Julong and put forward first in 1987, be sought by grey correlation analysis in system it is each because
The prevailing relationship of element finds out an important factor for influencing every evaluation index, to grasp the main feature of things, that is, passes through transformation
Auxiliary sequence and subsequence calculate maximum value, the minimum value of the absolute difference between each sub- factor and female factor, to obtain each son
The incidence coefficient of factor and female factor, finally obtains the weight coefficient of each evaluation parameter.Principal Component Analysis is a kind of multivariable
Analysis method the more variable of number is made into linear combination to achieve the purpose that analysis is simplified, be merged into several main new
Variable-principal component represents the main information of Geological Variable variation in this way with fewer number of principal component.Greatly simplify compression
Data, and reproduced the correlativity of initial data part and its genetic relationship of inherence.Analytic hierarchy process (AHP) is exactly to complexity
Essence, influence factor and its internal relation of decision problem etc. analysed in depth on the basis of, utilize less quantitative letter
Breath makes the thought process mathematicization of decision, to provide letter for multiple target, multiple criteria or complicated decision-making problems without architectural characteristic
Just decision-making technique.It is particularly suitable for the occasion for being difficult to directly accurately measure to the result of decision.It is solved with analytic hierarchy process (AHP) practical
Problem, it is important to according to specifically study a question by a complicated system decomposition be several levels or subsystem, establish level
Structure, Judgement Matricies, and then determine the relative importance of each factor in system.Clustering methodology is a kind of multivariate statistics number
Classification method is learned, by clustering to sample, i.e., by the close and distant relation in property or the origin cause of formation, quantitative classification is carried out to sample.
Each object constitutes a class by itself when cluster starts, then using certain indicate the amount of object close and distant relation as classification foundation, each other it
Between the most intimate object aggregation of relationship merge and sort out, continue to merge further according to the close and distant degree between class, until whole objects are poly-
For one kind.Neural network is by constantly to the study of example, obtaining network weight coefficient.The applications such as Ran Qiquan, virgin filial piety China are fuzzy
The fuzzy neural network of knowledge is sentenced in neural network method, the reservoir well logging established using log data.
But for some heterogeneous alternating layers old fileds, data base is weaker, seismic data be many years with
Pre-treatment, signal-to-noise ratio and resolution ratio is not high, the earthquake poor continuity of main purpose layer, reflecting layer comparison and fault recognition compared with
Greatly, while lacking geology research achievement and target zone structural map, integrated geological interpretation work is not carried out effectively substantially.
This also results in old filed later period reserve recalculation and prospect pit maps out the work and is difficult to effectively carry out.
Summary of the invention
The purpose of the present invention is to provide the evaluation of trap methods of heterogeneous thin sandstone alternating layers oil reservoir, to solve the prior art
In heterogeneous alternating layers old filed later period reserve recalculation and prospect pit map out the work and be difficult to the problem of effectively carrying out, be embodied as old filed
The purpose of heterogeneous trap later stage evaluation method is provided.
The present invention is achieved through the following technical solutions:
The evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir, comprising the following steps:
(a) combine well-log information, drilling-log data, coring data, seismic inversion data, carry out Strata Comparison division,
STUDY OF SEDIMENTARY ENVIRONMENT；Simultaneously by geochemical data, source-rock evolution data are obtained；
(b) Strata Comparison division, STUDY OF SEDIMENTARY ENVIRONMENT, source-rock evolution data are combined, reservoir characteristic is obtained；
(c) according to seismic data, Seismology and Geology composite calibration, fault interpretation and development period analysis, construction are successively carried out
Tracing of horizons, structural evolution analysis, structural trap analysis；
(d) Hydrocarbon Formation Reservoirs research is carried out as a result, in conjunction with the reservoir characteristic by the structural evolution analysis；
(e) by the Hydrocarbon Formation Reservoirs study as a result, in conjunction with the structural trap analyze, carry out final advantageous trap and comment
Valence.
It maps out the work for the later period reserve recalculation of heterogeneous alternating layers old filed and prospect pit in the prior art and is difficult to effectively open
The problem of exhibition, the present invention propose that the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir, this method pass through existing in block first
Some well-log informations, drilling-log data, coring data, seismic inversion data, carry out Strata Comparison division and depositional environment is ground
Study carefully；Simultaneously by geochemical data, source-rock evolution data are obtained.It is divided later according to obtained Strata Comparison, deposition
Environmental Studies, source-rock evolution data carry out reservoir characteristic analysis, are converged by the analysis result of Strata Comparison, deposition, hydrocarbon source rock
Always, the data acquisition system for forming reservoir characteristic, therefrom refines reservoir characteristic.Individually seismic data is handled again, is successively carried out
Seismology and Geology composite calibration, fault interpretation and development period analysis, tectonic level tracking, structural evolution analysis, structural trap point
Analysis.Wherein the result of structural evolution analysis is provided according to other than in addition to for structural trap analysis, also special with the obtained reservoir in front
Sign data are combined, and can be carried out Hydrocarbon Formation Reservoirs research by constructing the distribution characteristics with reservoir, be verified generation, the fortune of oil gas
It moves and at hiding geological process.The data of structural trap analysis are combined with the result that Hydrocarbon Formation Reservoirs are studied, and are that there is known
The entire geology derivation process of structural trap and oil-gas reservoir, then on this basis, those skilled in the art have then been able to carry out
Sharp evaluation of trap.This method passes through well-log information, drilling-log data, coring data, the seismic inversion number that old filed all has
According to as initial parameter, research process gradually deeply, is finally provided and directly can favorably be enclosed for those skilled in the art
Close the data of evaluation.Therefore present method solves the later period reserve recalculation of heterogeneous alternating layers old filed and prospect pit portions in the prior art
Administration's work is difficult to the problem of effectively carrying out, and is embodied as old filed and provides the purpose of heterogeneous trap later stage evaluation method.
Further, the seismic inversion data are obtained by following steps:
(1) using the mud stone of construction of stable in target area as reference lamina, using the highest new well of log quality as standard
Well carries out log standardization, carries out fine synthesis record calibration；
(2) on the basis of fine synthesis is recorded and demarcated, the comprehensive wavelet extraction of more wells is carried out, obtains the comprehensive wavelet of more wells
Figure；
(3) on the basis of more wells comprehensive wavelet figure, low frequency model is established；
(4) by the constrained sparse spike inversion method of inversion, Study of The Impedence Inversion Restrained By Well Log is carried out: if inverting wave impedance and original wave
The goodness of fit of impedance is lower than 60%, then returns to step (1), reselects standard well and carries out log standardization, repeats step
(1) to (4), until the goodness of fit of inverting wave impedance and original wave impedance is greater than or equal to 60%.Wherein, the comprehensive wavelet of more wells mentions
It takes to integrate wavelet energy concentration, phase stabilization, is consistent with original earthquake spectrum signature as principle, it is ensured that obtain high-precision
The comprehensive wavelet figure of more wells.
Further, it includes following methods that the Strata Comparison, which divides:
(A) it determines stratigraphic sequence, divide sequence frame, with reference lamina control layer position, with the cycle of sedimentation and lithofacies Thickness Method
In conjunction with reference lamina divide Sand member, then in uniform thickness correlation of sand bodies mode, phase transformation correlation of sand bodies mode, stacked correlation of sand bodies mode
Time quantum is determined with equal elevations method under comprehensively control；
It (B) is mark with stable limestone, mud stone, in conjunction with each layer using cycle comparison as principle under the control of reference lamina
Thickness change and phase transformation mode divide substratum.
For old filed, shape is completely distributed in order to illustrate in block more target zones in each sedimentation unit sand body
State needs in terms of sedimentology angle, particularly the cycle of sedimentation, carries out time quantum again and divides and compare, this is for carrying out
The research of whole district's advantage reservoir facies tract is of great significance, and more can establish base for regional structural interpretation and the evaluation of subsequent Exploration Potential
Plinth.Therefore Sand member repartitioned in this programme, determine time quantum, then by the control of reference lamina, carry out detail stratigraphic division.
Further, the reference lamina includes I grade of reference lamina, II grade of reference lamina, III grade of reference lamina, in which:
I grade of reference lamina be region degrade, dolomite stratigraph, the grey rock stratum of plane of unconformity or regional deposition；
II grade of reference lamina is the limestone that distribution is stable in block；
III grade of reference lamina is the grey rock stratum of high resistance, high density, infrasonic wave, low natural gamma.
Reference lamina is classified according to the difference of reference lamina mark degree, is conducive to drawing for more accurate realization substratum
Divide and compares.
Further, the judging characteristic of I grade of reference lamina are as follows: in electrical property, resistivity, sound wave, density, natural gamma are surveyed
Well curve has obvious jump, mutation or corner feature；In lithology, reference lamina up and down stratum there are apparent lithology difference or
There are large-scale mud stone, limestone, dolomite interval development characteristics on stratum up and down for reference lamina.This kind of reference lamina represents geology and goes through
Sedimentary break in history, large-scale construction lifting or sedimentary water body stablizes the geologic events such as constant in the regular period, pass through this
The electrical property feature and lithologic character of well log curve in scheme are identified.
Further, the judging characteristic of II grade of reference lamina are as follows: there is high resistance, high density, low natural gal in electrical property
The feature of horse.This kind of reference lamina represent sedimentary water body for a period of time in stablize constant, pass through the well log curve in this programme
Electrical property feature identified.
Further, the Seismology and Geology composite calibration, which includes the following steps: to utilize, stablizes reference lamina, geology breakpoint, into
The calibration of row Seismology and Geology layer；Region labeling is carried out using deep-well data；Using all existing well-log informations, the well earthquake of the company of progress is cutd open
Face calibration.This programme combines geology breakpoint and carries out Seismology and Geology calibration, especially suitable for the seismic horizon mark at fracture complexity
It is fixed, precision can be significantly improved compared to traditional seismic calibration.
Further, the Hydrocarbon Formation Reservoirs research includes analysis of reservoir forming conditions, Reservoir model analysis；The accumulating condition point
Analysis comprising hydrocarbon source conditions distribution, storage cap rock combination determines, Trap Typesof is determining, migration pathway is determining, reservoir forming time matching,
At hiding spatial match；The Reservoir model analysis bag oily distributional difference, gas reservoir types are determining, Oil-gas accumulation rules determine.
Further, the STUDY OF SEDIMENTARY ENVIRONMENT includes area deposition background, ancient landform form, sedimentary facies recognition, deposition
Sedimentary subfacies facies tract is mutually demarcated in facies model, well logging.
Further, the STUDY OF SEDIMENTARY ENVIRONMENT further includes mutually demarcating sedimentary subfacies facies tract based on well logging as a result, the company of foundation
Jing Jing phase backbone section.
Compared with prior art, the present invention having the following advantages and benefits:
The evaluation of trap method of the heterogeneous thin sandstone alternating layers oil reservoir of the present invention, the well-log information all having by old filed,
As initial parameter, research process is finally gradually this field deeply for drilling-log data, coring data, seismic inversion data
Technical staff provides the data that can directly carry out advantageous evaluation of trap.Therefore present method solves heterogeneous in the prior art
The later period reserve recalculation of alternating layers old filed and prospect pit, which map out the work, is difficult to the problem of effectively carrying out, and it is non-to be embodied as old filed offer
The purpose of matter trap later stage evaluation method.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the flow diagram of the specific embodiment of the invention；
Fig. 2 is the Seismology and Geology cross-sectional view of the structure in the specific embodiment of the invention 2；
Fig. 3 is the Seismology and Geology composite calibration result schematic diagram in the specific embodiment of the invention 2；
Fig. 4 is the sedimentary subfacies schematic diagram in the specific embodiment of the invention 2.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
The evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir as shown in Figure 1, comprising the following steps:
(a) combine well-log information, drilling-log data, coring data, seismic inversion data, carry out Strata Comparison division,
STUDY OF SEDIMENTARY ENVIRONMENT；Simultaneously by geochemical data, source-rock evolution data are obtained；
(b) Strata Comparison division, STUDY OF SEDIMENTARY ENVIRONMENT, source-rock evolution data are combined, reservoir characteristic is obtained；
(c) according to seismic data, Seismology and Geology composite calibration, fault interpretation and development period analysis, construction are successively carried out
Tracing of horizons, structural evolution analysis, structural trap analysis；
(d) Hydrocarbon Formation Reservoirs research is carried out as a result, in conjunction with the reservoir characteristic by the structural evolution analysis；
(e) by the Hydrocarbon Formation Reservoirs study as a result, in conjunction with the structural trap analyze, carry out final advantageous trap and comment
Valence.
Embodiment 2:
The evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir as shown in Figure 1, on the basis of embodiment 1:
The seismic inversion data are obtained by following steps: (1) using the mud stone of target area in construction of stable as reference lamina,
Log standardization is carried out by standard well of the highest new well of log quality, carries out fine synthesis record calibration；(2) exist
On the basis of fine synthesis record calibration, the comprehensive wavelet extraction of more wells is carried out, obtains the comprehensive wavelet figure of more wells；(3) comprehensive in more wells
On the basis of zygote wave figure, low frequency model is established；(4) by the constrained sparse spike inversion method of inversion, Log-constrained wave resistance anti-reflective is carried out
It drills: if the goodness of fit of inverting wave impedance and original wave impedance returns to step (1) lower than 60%, reselecting the progress of standard well
Log standardization, repeats step (1) to (4), until inverting wave impedance and the goodness of fit of original wave impedance are greater than or equal to
60%.
It includes following methods that the Strata Comparison, which divides: (A) determines stratigraphic sequence, divides sequence frame, with reference lamina control
Preparative layer position divides Sand member with the cycle of sedimentation and lithofacies Thickness Method combination reference lamina, then in uniform thickness correlation of sand bodies mode, phase transformation sand
Body contrastive pattern, stacked correlation of sand bodies mode comprehensively control under with etc. elevations method determine time quantum；(B) in the control of reference lamina
Under system, it is mark with stable limestone, mud stone using cycle comparison as principle, in conjunction with each layer thickness variation and phase transformation mode, divides
Substratum.
Preferably, the reference lamina includes I grade of reference lamina, II grade of reference lamina, III grade of reference lamina, in which: I grade of reference lamina be
Region degrades, dolomite stratigraph, the grey rock stratum of plane of unconformity or regional deposition；II grade of reference lamina is the ash that distribution is stable in block
Rock；III grade of reference lamina is the grey rock stratum of high resistance, high density, infrasonic wave, low natural gamma.The judgement of I grade of reference lamina is special
Sign are as follows: in electrical property, resistivity, sound wave, density, Natural Gamma-ray Logging Curves have obvious jump, mutation or corner feature；Lithology
On, there are apparent lithology difference or reference lamina, there are large-scale mud stone, limestone, white on stratum up and down on stratum up and down for reference lamina
Cloud rock stratum section development characteristics.The judging characteristic of II grade of reference lamina are as follows: there is high resistance, high density, low natural gal in electrical property
The feature of horse.
Preferably, the Seismology and Geology composite calibration includes the following steps: to carry out using reference lamina, geology breakpoint is stablized
The calibration of Seismology and Geology layer；Region labeling is carried out using deep-well data；Utilize all existing well-log informations, the company's of progress well seismic profile
Calibration.
Preferably, the Hydrocarbon Formation Reservoirs research includes analysis of reservoir forming conditions, Reservoir model analysis；The analysis of reservoir forming conditions
Comprising hydrocarbon source conditions distribution, storage cap rock combination determines, Trap Typesof is determining, migration pathway is determining, reservoir forming time matching, at
Hide spatial match；The Reservoir model analysis bag oily distributional difference, gas reservoir types are determining, Oil-gas accumulation rules determine.
Preferably, the STUDY OF SEDIMENTARY ENVIRONMENT includes area deposition background, ancient landform form, sedimentary facies recognition, sedimentary facies
Sedimentary subfacies facies tract is mutually demarcated in mode, well logging.
Preferably, the STUDY OF SEDIMENTARY ENVIRONMENT further includes mutually demarcating sedimentary subfacies facies tract based on well logging as a result, the company's of foundation well
Well phase backbone section.
By taking certain external oil field block that applicant is responsible for as an example, Fig. 2 is the Seismology and Geology structural profile of the block, figure
3 be the Seismology and Geology composite calibration obtained with method in the present embodiment as a result, the sedimentary subfacies figure that Fig. 4 is the block.The block
Middle method carries out evaluation of trap through this embodiment, following trap evaluation table to be rolled is finally obtained, for the exploitation of the block
Production provides strong advantageous technical support:
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir, which comprises the following steps:
(a) well-log information, drilling-log data, coring data, seismic inversion data are combined, Strata Comparison division, deposition are carried out
Environmental Studies；Simultaneously by geochemical data, source-rock evolution data are obtained；
(b) Strata Comparison division, STUDY OF SEDIMENTARY ENVIRONMENT, source-rock evolution data are combined, reservoir characteristic is obtained；
(c) according to seismic data, Seismology and Geology composite calibration, fault interpretation and development period analysis, tectonic level are successively carried out
Tracking, structural evolution analysis, structural trap analysis；
(d) Hydrocarbon Formation Reservoirs research is carried out as a result, in conjunction with the reservoir characteristic by the structural evolution analysis；
(e) by the Hydrocarbon Formation Reservoirs study as a result, in conjunction with the structural trap analyze, carry out final advantageous evaluation of trap.
2. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 1, which is characterized in that describedly
Shake inverting data are obtained by following steps:
(1) using the mud stone of construction of stable in target area as reference lamina, using the highest new well of log quality as standard well into
The standardization of row log carries out fine synthesis record calibration；
(2) on the basis of fine synthesis is recorded and demarcated, the comprehensive wavelet extraction of more wells is carried out, obtains the comprehensive wavelet figure of more wells；
(3) on the basis of more wells comprehensive wavelet figure, low frequency model is established；
(4) by the constrained sparse spike inversion method of inversion, Study of The Impedence Inversion Restrained By Well Log is carried out: if inverting wave impedance and original wave impedance
The goodness of fit be lower than 60%, then return to step (1), reselect standard well carry out log standardization, repeat step (1) extremely
(4), until the goodness of fit of inverting wave impedance and original wave impedance is greater than or equal to 60%.
3. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 1, which is characterized in that describedly
It includes following methods that layer comparison, which divides:
(A) it determines stratigraphic sequence, divide sequence frame, with reference lamina control layer position, combined with the cycle of sedimentation and lithofacies Thickness Method
Reference lamina divides Sand member, then in uniform thickness correlation of sand bodies mode, phase transformation correlation of sand bodies mode, the synthesis of stacked correlation of sand bodies mode
Time quantum is determined with equal elevations method under control；
It (B) is mark with stable limestone, mud stone, in conjunction with each thickness degree using cycle comparison as principle under the control of reference lamina
Variation and phase transformation mode, divide substratum.
4. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 3, which is characterized in that the mark
Will layer includes I grade of reference lamina, II grade of reference lamina, III grade of reference lamina, in which:
I grade of reference lamina be region degrade, dolomite stratigraph, the grey rock stratum of plane of unconformity or regional deposition；
II grade of reference lamina is the limestone that distribution is stable in block；
III grade of reference lamina is the grey rock stratum of high resistance, high density, infrasonic wave, low natural gamma.
5. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 4, which is characterized in that described I
The judging characteristic of grade reference lamina are as follows: in electrical property, resistivity, sound wave, density, Natural Gamma-ray Logging Curves have obvious jump, dash forward
Change or corner feature；In lithology, there are stratum above and below apparent lithology difference or reference lamina there are big rule on stratum up and down for reference lamina
The mud stone of mould, limestone, dolomite interval development characteristics.
6. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 4, which is characterized in that described II
The judging characteristic of grade reference lamina are as follows: there is high resistance, high density, the feature of low natural gamma in electrical property.
7. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 1, which is characterized in that describedly
Shake geological syntheses calibration includes the following steps: to carry out the calibration of Seismology and Geology layer using reference lamina, geology breakpoint is stablized；Utilize depth
Well data carries out region labeling；Utilize all existing well-log informations, the calibration of the company's of progress well seismic profile.
8. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 1, which is characterized in that the oil
Gas reservoir-forming study includes analysis of reservoir forming conditions, Reservoir model analysis；The analysis of reservoir forming conditions include hydrocarbon source conditions distribution,
Storage cap rock combination determines, Trap Typesof is determining, migration pathway is determining, reservoir forming time matches, at hiding spatial match；The Cheng Zangmo
Formula analysis bag oily distributional difference, gas reservoir types are determining, Oil-gas accumulation rules determine.
9. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 1, which is characterized in that described heavy
Product Environmental Studies include that mutually calibration deposition is sub- for area deposition background, ancient landform form, sedimentary facies recognition, sedimentary facies model, well logging
Phase facies tract.
10. the evaluation of trap method of heterogeneous thin sandstone alternating layers oil reservoir according to claim 9, which is characterized in that described
STUDY OF SEDIMENTARY ENVIRONMENT further includes mutually demarcating sedimentary subfacies facies tract based on well logging as a result, the company's of foundation Jing Jing phase backbone section.
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