CN109597126A - A kind of carbonate platform marginal texture meticulous depiction and prediction technique - Google Patents
A kind of carbonate platform marginal texture meticulous depiction and prediction technique Download PDFInfo
- Publication number
- CN109597126A CN109597126A CN201811558854.6A CN201811558854A CN109597126A CN 109597126 A CN109597126 A CN 109597126A CN 201811558854 A CN201811558854 A CN 201811558854A CN 109597126 A CN109597126 A CN 109597126A
- Authority
- CN
- China
- Prior art keywords
- development
- scene
- affinity
- platform
- reef
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
- G01V1/30—Analysis
- G01V1/301—Analysis for determining seismic cross-sections or geostructures
- G01V1/302—Analysis for determining seismic cross-sections or geostructures in 3D data cubes
Abstract
The present invention provides a kind of carbonate platform marginal texture meticulous depiction and prediction techniques, and the method comprising the steps of: being combined by well-shake, establish High-Resolution Sequence Stratigraphic Framework；Restore ancient landform according to stratum residual thickness figure, determines the development position of scene-affinity；Fine dissection is carried out to scene-affinity using seismic data, the development models of different times difference scene-affinity band is established, analyzes the development period and superposed pattern of reef flat body；The plane distribution feature and its internal reef flat body development period and scale for determining platform margin, delimit the advantageous reef beach development belt of scene-affinity band；With geology software, the growth in forward simulation tableland optimizes prediction result.Carbonate platform marginal texture meticulous depiction provided by the present invention and prediction technique are based primarily upon deposition theory and Based On Sequence Stratigraphic Theory, make full use of appear, earthquake, drilling data, fine dissection is carried out to scene-affinity structure, the distributing position for predicting advantageous reef flat body improves the fine degree that platform structure is portrayed.
Description
Technical field
The present invention relates to the reservoir prediction fields of oil and gas geological exploration and development, are related specifically to a kind of carbonate
Rock bench destination edge fine structure is portrayed and prediction technique.
Background technique
Platform margin Reef & bank reservoir is advantageous carbonate oil and gas exploration area, in the world recoverable reserves up to 1000 ×
104m3Oil gas keep more than half as the type oil-gas reservoir of scene-affinity high energy reef beach, these discoveries show carbonate platform edge reef
Beach phase reservoir has good Exploration Potential.As one room group platform margin of Tahe Oilfield of The Tarim Basin Middle Ordovician series preserves
The breakthrough for the first time of body and oil-gas reservoir, and the drilling well of Tarim Basin platform margin obtains oil and gas discovery, carbonic acid in recent years
Rock salt platform margin reef flat body reservoirs exploration prospect it is wide self-evident.
However current research achievement inquires into platform margin class mostly with different times carbonate platform generally object
Type analyzes the platform structure pattern of different regions, lacks to different regions different times scene-affinity with stratum inner structural features
Fine dissection；It focuses mostly on the research of reef beach reservoir in reservoir properties and controlling factor analysis, and it is multiple to scene-affinity reef, beach or reef beach
Fit longitudinally superimposed relationship and its planar distribution case study is less.These statuses make to platform margin Reef & bank reservoir
Research be restricted.
Therefore it is portrayed there is an urgent need to a kind of carbonate platform fine structure and prediction technique, by internal fine structure
Dissection, the seismic response that analysis organic reef, beach, ash balance model or limestone deposit, what realization formed hiatus surface beach type reservoir
Trap and oil-gas pool distribution range and scale are effectively predicted.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of carbonate platform marginal texture meticulous depictions and prediction
Method.
To achieve the above object, the present invention takes following technical scheme: a kind of carbonate platform marginal texture is finely carved
Picture and prediction technique, it is characterised in that: the meticulous depiction and prediction technique are the following steps are included: step S1: passing through well-shake knot
It closes, establishes High-Resolution Sequence Stratigraphic Framework；Step S2: ancient landform is restored according to stratum residual thickness figure, specifies the hair of sequence
Feature is educated, determines platform type, determines the development position of scene-affinity；Step S3: carrying out fine dissection to scene-affinity using seismic data,
The development models for establishing different times difference scene-affinity band determine the development period and superposed pattern of reef flat body；Step S4: determining table
The plane distribution feature of destination edge and its internal reef flat body development period and scale, delimit the advantageous reef beach development belt of scene-affinity band；Step
Rapid S5: using geology software, and the growth in forward simulation tableland optimizes prediction result.
Step S1: it is combined by well-shake, establishes High-Resolution Sequence Stratigraphic Framework.
In the above-mentioned methods, it is preferable that in the step S1, the construction method of the High-Resolution Sequence Stratigraphic Framework structure
The following steps are included: 1. field reconnaissance acquisition is appeared geologic section, bond area sedimentary structure data determine ancient geoaraply pattern,
Channel type and lithologic character, outcrop geologic section can be loaded by the rock type data that field reconnaissance obtains
Resform Software Create；2. comprehensive outcrop data and drilling data carry out earth-layer fine division and comparison, short-term base is determined
The log response mode at quasi- face cycle and interface, selects suitable log to be combined, by core and curve comparison, really
The corresponding relationship of tracing pattern Yu lithology and sedimentary micro is determined, so that individual well short-term base-level cycle is divided, further according to short-term rotation
The superposed pattern returned determines longer level cycle interface；3. common seismic data is loaded onto Landmark work station, pass through
SeisWork module extracts common seismic section, and wherein seismic profile should select to can be effectively controlled the well profile excessively of destination region；
4. Depth Domain well logging information is fitted to time-domain wave using well logging and vertical seismic profiling (VSP) (VSP) data synthetic seismogram
Shape establishes well-shake contrastive pattern figure, and well shake combines, and more accurate when depth relationship is obtained, so that well logging information be projected to
Then seismic profile carries out horizon calibration on seismic profile, is fine to group；5. to each well that can be tracked on seismic profile by
One is demarcated, and tracing of horizons is then explained, and is continuously tracked target reflecting layer by even well profile, is determined interpretation horizon
Position, then sequence interface is divided in interpretation horizon internal fine, it determines the geological meaning of seismic reflector, identifies marine flooding surface position
It sets and Types of System Tracts；It is closed 6. being tracked on seismic profile one by one the sequence interface in research area, by the earthquake cycle of sedimentation
Variation and drilling well sequence interface analysis mutually correction, establish well in work area and shake unified High-Resolution Sequence Stratigraphic Framework.
Step S2: restoring ancient landform according to stratum residual thickness figure, specify the development characteristics of sequence, determine platform type,
Determine the development position of scene-affinity.
In the above-mentioned methods, it is preferable that in the step S2, the development characteristics, the platform type and described
Scene-affinity development position determination method are as follows: using target zone top bottom interface as restraint layer, to seismic data cube carry out space solution
Structure obtains three dimension strata model.Purpose position layer by layer is extracted from the three dimension strata model, works out each layer group residual thickness figure,
By Sequence stratigraphy, the development characteristics of sequence are specified, determine platform type；Utilize the layer position residual thickness of the target zone
Figure restores its ancient landform, demarcates the ancient landform based on individual well sedimentary facies, determines depocenter according to Sedimentary Framework, analyzes tableland
The development position at edge.
Step S3: fine dissection is carried out to scene-affinity using seismic data, establishes the development mould of different times difference scene-affinity band
Formula determines the development period and superposed pattern of reef flat body.
In the above-mentioned methods, it is preferable that in the step S3, the foundation of the development models of the scene-affinity band and described
The development period of reef flat body and the determination method of superposed pattern are as follows: by geochemical analysis, utilize carbon isotope (δ13C) contain quantitative change
Change, judge deposition phase relative sea level changes rule, in conjunction with paleostructure activity, determines that different times carbonate sediment object is grown
Rate specifies the governing factor of scene-affinity different structure development, to judge the development period of scene-affinity structure；It is surveyed using 3-D seismics
Line carries out fine dissection to the scene-affinity structure of backbone section, to different times platform edge facies band structure in common seismic section
Body and its internal reflective structure and external reflection form are identified, different section scene-affinity development conditions are compared, and are analyzed in scene-affinity
Portion's structure feature determines the oil gas reservoirs such as scene-affinity reef, beach, reef-shoal complex and ash balance model in conjunction with well logging and rock core information is bored
The corresponding seismic signature of body, then by carrying out system explanation to each seismic horizon, the longitudinal direction of analysis different times platform margin is folded
Set relationship.
Step S4: the plane distribution feature and its internal reef flat body development period and scale of platform margin are determined, platform delimited
The advantageous reef beach development belt of marginal zone.
In the above-mentioned methods, it is preferable that in the step S4, the plane distribution feature of the platform margin and its inside
The determination of reef flat body development period and scale, the advantageous reef beach development belt method of delimitation scene-affinity band are as follows: in high accuracy sequence
Under the control of Stratigraphic framework, the corresponding seismic response in reef beach is established, is chosen and amplitude and frequency class phase in seismic attributes analysis
The attribute of pass is analyzed, and makes seismic facies using the feature difference of seismologic parameter by research seismic facies and spectrum signature
Flat distribution map simultaneously carries out geologic interpretation, is translated into sedimentary facies distribution figure and carries out SEDIMENTARY FACIES ANALYSIS, in conjunction with ancient landform shape
State determines the plane distribution feature and its internal reef flat body development period and scale of platform margin；By well shake relativity with
And reef beach development characteristics, establish different times difference platform structure development models.According to the superposed pattern of reef flat body and migration side
To analyzing the reef flat development characteristics under different scene-affinity backgrounds, delimit platform on the basis of platform structure development models figure
The advantageous reef beach development belt of marginal zone.
Step S5: using geology software, and the growth in forward simulation tableland optimizes prediction result.
In the above-mentioned methods, it is preferable that in the step S5, the geology software be Carb3D+ software, it is described just
The growth for drilling simulation tableland and the method optimized to prediction result are the following steps are included: 1. according to original ancient landform
Restore initial substrate landform, obtain the initial depth of water, analyzes tectonic subsidence situation；2. within the scope of sequence stratigraphic framework, by drawing
Divide high frequency sequence, determines sea level variability；3., with petrology and paleontology, determining deposit based on drilling data
Type and carbonate rock yield；4. obtaining Wave energy parameter by paleao-water depth, sea level variability and tectonic subsidence；5. integrating
Above data is carried as parameter with holding space, material resource supply, deposition, carries out sensitivity analysis；6. carrying out school to analog result
Just, until error≤1%, exports final analog result；7. the analog result of comprehensive geology software, optimization different type tableland knot
The growth pattern of structure makes preferably the prediction of survey region advantageous reef beach development belt.
Integrated use sequence stratigraphy of the present invention, deposition theory, from appear, earthquake, drilling data, to log well ground
Matter is explained, seismic sequence is analyzed, seismic facies interpretation is means, using geology software as carrier, simulates tableland evolutionary process, pre- scaffold tower
The development and distribution situation on marginal zone reef beach.Present invention point is: combining firstly, being shaken by well, establishes survey region height
Resolution ratio sequence stratigraphic framework enables the SEQUENCE STRATIGRAPHIC DIVISION of well logging and earthquake preferably to match, then using based on earthquake
The paleogeographic reconstruction technology of sequence stratigraphic interpretation, the distribution situation of determining table marginal zone, then the information in seismic profile is sufficiently excavated,
Fine dissection is carried out to platform structure, the development models of different type platform structure is established, determines the reef under different tableland backgrounds
The development characteristics of beach body clearly portray its horizontal boundary and longitudinally superimposed relationship, to make tentatively to advantageous reef beach development belt
Prediction carries out three-dimensional numerical value sequence forward simulation, quantitative analysis platform to tableland growth pattern finally by numerical simulation software
Ground growth rhythm and sedimentary facies spatial feature coach for preferably advantageous reef beach development belt.
The present invention has at least the following advantages compared with the prior art: 1, using High-Resolution Sequence Stratigraphic Framework, being fine to
Group improves the analysis precision of platform margin high energy facies tract.2, numerical simulation is carried out with geology software Carb3D+, will analyzed
As a result it is compared with analog result, optimizes platform evolution mode, while enhancing operability.3, high precision seismic is selected
Survey line provides a strong guarantee for meticulous depiction platform structure.4, by dissecting internal fine structure, organic reef, beach, ash are analyzed
The seismic response of mudlump or limestone deposition, realize the trap that hiatus surface beach type reservoir is formed and oil-gas pool distribution range with
Scale is effectively predicted.This method has good application effect and promotes future, can be widely applied to oil-gas exploration and development
Reservoir prediction field.
Detailed description of the invention
Fig. 1 is that carbonate platform fine structure of the invention portrays the embodiment flow chart with prediction technique；
Fig. 2 is the well-shake comparison diagram for studying area；
Fig. 3 is the stratum residual thickness figure for studying area；
Fig. 4 is the different times platform structure type map for studying area；
Fig. 5 be study area different backbone section scene-affinity fine structure internal anatomys (wherein, Fig. 5 a is northern Tarim basin AKK08-
NWW-1 survey line seismic profile internal anatomy；Fig. 5 b is northern Tarim basin AKK08-NWW-2 survey line seismic profile internal anatomy；Fig. 5 c is tower
Backlands area AKK08-NWW-3 survey line seismic profile internal anatomy；Fig. 5 d is northern Tarim basin 9lp_trace1860 survey line seismic profile solution
Cut open figure；Fig. 5 e is northern Tarim basin TLM_350 survey line survey line seismic profile internal anatomy；Fig. 5 f is northern Tarim basin AKK08-NWW-5 survey
Line seismic profile internal anatomy)；
Fig. 6 is the different section scene-affinity structure feature comparison diagrams for studying area；
Fig. 7 is the not same period time reefs distribution map, wherein Fig. 7 a is first phase reefs, and Fig. 7 b is second phase reefs, and Fig. 7 c is
Third phase reefs；
Fig. 8 is the reef beach development models figure for studying area；
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments, which only uses
It explains, rather than limits the invention in the present invention.
Western part of China oil field is studied in area, and carbonate platform extensive development, epoch span is big, and thickness is big, distribution
Extensively, platform structure is difficult to meticulous depiction and prediction, becomes exploration and development and practices the important problem faced.With this carbonate rock
For platform structure meticulous depiction and forecasting research, technical solution of the present invention is described in further detail.
A kind of carbonate platform fine structure is present embodiments provided to portray and prediction technique comprising following steps,
As shown in Figure 1:
Step S1: it is combined by well-shake, establishes High-Resolution Sequence Stratigraphic Framework.
The method of the High-Resolution Sequence Stratigraphic Framework in the research area is established the following steps are included: 1. carrying out to research area wild
It makes an on-the-spot survey outside and obtains its geologic section of appearing, bond area sedimentary structure data determines that ancient geoaraply pattern, stratigraphic type and lithology are special
Sign, outcrop geologic section can be loaded into Resform Software Create by the rock type data that field reconnaissance obtains；②
Comprehensive outcrop data and drilling data carry out earth-layer fine division and comparison, determine short-term base-level cycle and interface
Log response mode selects suitable log to be combined, and by core and curve comparison, determines tracing pattern and lithology
It, further according to the superposed pattern of short-term cycle, is determined with the corresponding relationship of sedimentary micro to divide individual well short-term base-level cycle
Longer level cycle interface；3. common seismic data is loaded onto Landmark work station, extracted by SeisWork module
Common seismic section, wherein seismic profile should select to can be effectively controlled the well profile excessively of destination region；4. using well logging and vertically
Seismic profile (VSP) data synthetic seismogram, is fitted to time domain waveform for Depth Domain well logging information, establishes well-shake comparison
Ideograph, Fig. 2 are the well-shake comparison diagram for studying area, and well shake combines, and more accurate when depth relationship are obtained, so that well logging be believed
Breath projects to seismic profile, and horizon calibration is then carried out on seismic profile, is fine to group；5. can track on seismic profile
Each well demarcated one by one, then explain tracing of horizons, target reflecting layer continuously tracked by even well profile, determines solution
The position of layer position is released, then divides sequence interface in interpretation horizon internal fine, the geological meaning of seismic reflector is determined, identifies
Marine flooding surface position and Types of System Tracts；It is closed 6. being tracked on seismic profile one by one the sequence interface in research area, by earthquake
Cycle of sedimentation variation and drilling well sequence interface analysis mutually correction, establish well in work area and shake unified HIGH-RESOLUTION SEQUENCE STRATIGRAPHIC lattice
Frame.
Step S2: restoring ancient landform according to stratum residual thickness figure, specify the development characteristics of sequence, determine platform type,
Determine the development position of scene-affinity.
Using target zone top bottom interface as restraint layer, space destructing is carried out to seismic data cube, obtains three dimension strata model.From
Purpose position layer by layer is extracted in three dimension strata model, works out each layer group residual thickness figure, and the stratum for being illustrated in figure 3 research area is remaining
Thickness chart；By Sequence stratigraphy, the development characteristics of sequence are specified, determine platform type.
Fig. 4 is the different times platform structure type map for studying area, analysis shows, northern Tarim basin Cambro-Ordovician experience
Conversion from from weak fringing tableland to fringing type tableland, is followed successively by the weak fringing type carbonate platform in Early Cambrian Epoch gentle slope, syncope due to pathogenic cold
The gentle slope Wu Shiwei fringing type carbonate platform, late Cambrian epoch-Middle Ordovician are abrupt slope fringing type tableland；Utilize the target zone
Layer position residual thickness figure restores its ancient landform, demarcates the ancient landform based on individual well sedimentary facies, is determined and deposited according to Sedimentary Framework
The development position of platform margin is analyzed at center.
Step S3: fine dissection is carried out to scene-affinity using seismic data, establishes the development mould of different times difference scene-affinity band
Formula determines the development period and superposed pattern of reef flat body.
The foundation of the development models of the scene-affinity band in the research area and the development period of the reef flat body and superposed pattern
Determine method are as follows: by geochemical analysis, utilize carbon isotope (δ13C) changes of contents judges that deposition phase relative sea level changes are advised
Rule, in conjunction with paleostructure activity, determines different times carbonate sediment object growth rate, specifies the control of scene-affinity different structure development
Factor processed, to judge the development period of scene-affinity structure；Essence is carried out using scene-affinity structure of the 3-D seismics survey line to backbone section
Thin dissection.
Fig. 5 is the different backbone section scene-affinity fine structure internal anatomys for studying area, and AKK08-NWW-1 survey line is located in Fig. 5 a
The low raised central portion in wheel south, in northwest (NW) west-east southeast east orientation distribution, 3 phase catoptric arrangements, Middle Cambrian Stratigraphy are developed in Early Cambrian Epoch stratum
5 phase catoptric arrangements of inside development, late Cambrian epoch and Peng Lai dam group respectively develop 1 phase catoptric arrangement, and hawk mountain group develops 5 phase structures；Figure
AKK08-NWW-2 survey line is located at AKK08-NWW-1 survey line north side, the survey line and the basic phase of AKK08-NWW-1 survey line feature in 5b
Together, 3 phase catoptric arrangements are developed on Early Cambrian Epoch stratum, develop 4 phase catoptric arrangements, late Cambrian epoch, Peng Lai inside Middle Cambrian Stratigraphy
Structure is unobvious in the group scene-affinity band platform of the dam mountain Zu Jiying；3 phase of Early Cambrian Epoch, catoptric arrangement feature was obviously deteriorated in Fig. 5 c, and syncope due to pathogenic cold is military
5 phase catoptric arrangements are still developed inside generation stratum, but the development scale of each phase catoptric arrangement is big and longitudinal compared with the line southern areas
Upper is in progradation type stacked relation, and visible obviously cut cuts phenomenon at the top of late Cambrian epoch stratum, the mixed and disorderly reflector rule of slope lower part mound shape
Mould is opposite to be increased, and dam group formation thickness in Peng Lai is thin, and inner structural features are unobvious, and hawk mountain group internal reflective structure is mostly with mixed and disorderly anti-
Based on penetrating, development period is unobvious；Each period internal architecture of sequence feature is unobvious in Fig. 5 d, only 3 phase of late Cambrian epoch foreset knot
Structure is more visible；Foreset feature is not it is obvious that only seeing mixed and disorderly foreset in a small range inside Fig. 5 e period in Early Cambrian Epoch scene-affinity band
Catoptric arrangement, Middle Cambrian are only shown in weak amplitude mound shape reflector in bottom inside scene-affinity, have foreset, evening cold force to basin-wards
It obviously cuts and cuts at the top of system scene-affinity, slope bottom can see below super；Peng Lai dam group be middle amplitude in-weakly continuous reflection, subparallel configuration；
In the group lower part of hawk mountain in amplitude-weakly continuous, locally see mound type chaotic configuration, top is continuous reflection in a set of weak amplitude；Fig. 5 f
Period in the Early Cambrian Epoch section is located at slope belt development position, and the Middle Cambrian section is located at the maximum position of formation thickness, i.e.,
Platform margin facies tract, period in the late Cambrian epoch survey line are located at the scene-affinity band most strong position of denudation, and formation thickness is thin, and inside is seen
Small-scale foreset lineups reflection to the south, Early Ordovician Epoch Peng Lai dam group period, the section was located inside tableland, the section central and north
It is stacked for mound shape reflector and northwards to move back product, it is southern then in weak amplitude-difference continuous reflection based on.Early Middle Ordovician hawk mountain group by
It is developed in tableland internal structure in long-pending type is moved back.
To different times platform edge facies band structure body and its internal reflective structure and outer counter in common seismic section
It penetrates form to be identified, compares different section scene-affinity development conditions, Fig. 6 is different section scene-affinity structure feature comparison diagrams, analysis
Scene-affinity inner structural features determine the oil such as scene-affinity reef, beach, reef-shoal complex and ash balance model in conjunction with well logging and rock core information is bored
The corresponding seismic signature of gas Reservoir Body, then by carrying out system explanation to each seismic horizon, analysis different times platform margin
Longitudinally superimposed relationship.
Step S4: the plane distribution feature and its internal reef flat body development period and scale of platform margin are determined, platform delimited
The advantageous reef beach development belt of marginal zone
Under the control of High Resolution Sequence Stratigraphic Framework, the corresponding seismic response in reef beach is established, in seismic attributes analysis
It chooses attribute relevant to amplitude and frequency class to be analyzed, by research seismic facies and spectrum signature, utilizes seismologic parameter
Feature difference makes the flat distribution map of seismic facies and carries out geologic interpretation, be translated into sedimentary facies distribution figure and sunk
Product facies analysis determines plane distribution feature and its internal reef flat body development period and the rule of platform margin in conjunction with ancient landform form
Mould.
Fig. 7 is the not same period time reefs distribution map.All in all, mixed and disorderly reflector of each period is along the stripped spread of scene-affinity,
Its forward and backward side is the progradational reflection configuration of ribbon spread.Wherein, the mixed and disorderly reflector of the 1st phase scene-affinity internal reflective structure
Along 2 well of husky 88 wells-sheep room-according to the distribution of 4 well lines is closed, more developed to the progradational configuration of basin-wards in northern territory, south
Regional progradational configuration range reduces, and the progradational configuration each department to tableland direction are essentially identical；2nd phase catoptric arrangement is in the 1st phase
It is migrated eastwards on the basis of structure, scene-affinity band is shown in the mixed and disorderly reflector of lenticular, and forward and backward side is progradational reflection configuration；3rd phase is anti-
It penetrates before structure and is further migrated eastwards on the basis of two phase structural developments, shape mixed and disorderly reflector scale in mound increases, before forward and backward side is
Product catoptric arrangement is obvious.
Relativity and reef beach development characteristics are shaken by well, establishes different times difference platform structure development models.Root
According to the superposed pattern and migratory direction of reef flat body, the reef flat development characteristics under different scene-affinity backgrounds are analyzed, are tied in tableland
The advantageous reef beach development belt of scene-affinity band delimited on the basis of structure development models figure.Fig. 8 is the reef beach development models figure for studying area.
Step S5: using geology software, and the growth in forward simulation tableland optimizes prediction result.
Platform structure growth pattern is simulated based on Carb3D+ software, quantitative analysis platform structure pattern is drilled
Law and its Distribution of Sedimentary Facies feature, the growth in forward simulation tableland and the method packet that prediction result is optimized
It includes following steps: 1. according to original paleogeographic reconstruction initial substrate landform, obtaining the initial depth of water, analyze tectonic subsidence situation；②
Within the scope of sequence stratigraphic framework, by dividing high frequency sequence, sea level variability is determined；3. being used based on drilling data
Petrology and paleontology determine sediment type and carbonate rock yield；4. passing through paleao-water depth, sea level variability and construction
Sedimentation obtains Wave energy parameter；5. in summary data are carried as parameter with holding space, material resource supply, deposition, are carried out quick
Perceptual analysis；6. being corrected to analog result, until error≤1%, exports final analog result；7. comprehensive geology software
Analog result optimizes the growth pattern of different type platform structure, makes preferably to the prediction of survey region advantageous reef beach development belt.
By comparison, it was found that period in Early Cambrian Epoch, scene-affinity reef flat body is mainly along Luntai County -88 wells of sand -2 well of sheep room-according to conjunction 4
Sexual development is inherited in well line spread, Middle Cambrian tableland, and reef flat body body region migrates eastwards as odd 6 wells-Well Tashen-1-sheep room 1
7 well of well-Ha get, one line, migration distance is smaller eastwards for late Cambrian epoch scene-affinity reef flat body, the period reef flat body almost with Middle Cambrian
Period reef flat body is overlapped, Peng Lai dam group scene-affinity major developmental sand formation cuttings particle beach deposition, and is distributed irregular；Hawk mountain group 5 phase reef beach
Body is combined in the plane, is mainly distributed on the southern raised central portion area of wheel, is subtracted to North Sag direction reef flat body distribution
It is small.The reef flat body that late Cambrian epoch in Early Cambrian Epoch-develops is superimposed, it is found that 3 period reef flat bodies are concentrated mainly on wheel south
Low convex area near 6 well of surprise 6 wells-Well Tashen-1-Ha get, one line, it is whole in east northeast to ribbon, which is Cambrian reef beach
The best zone of Reservoir Body development degree.Peng Lai dam group reef flat body distribution and hawk mountain group reef flat body distribution are overlapped
Together, it is known that period in Ordovician period scene-affinity reef flat body favorable exploration areas is mainly odd 6 wells-Well Tashen-1-wheel Nan57Jing-in surprise 8
In well line area encompassed.
Above-described embodiment is merely to illustrate the present invention, wherein the corresponding implementation method of each step is all that can be varied
, all equivalents and improvement carried out based on the technical solution of the present invention should not be excluded in protection of the invention
Except range.
Claims (7)
1. a kind of carbonate platform marginal texture meticulous depiction and prediction technique, it is characterised in that: the meticulous depiction and pre-
Survey method the following steps are included:
Step S1: it is combined by well-shake, establishes High-Resolution Sequence Stratigraphic Framework；
Step S2: ancient landform is restored according to stratum residual thickness figure, the development characteristics of sequence is specified, determines platform type, is determined
The development position of scene-affinity；
Step S3: fine dissection is carried out to scene-affinity using seismic data, establishes the development models of different times difference scene-affinity band, really
Determine the development period and superposed pattern of reef flat body；
Step S4: the plane distribution feature and its internal reef flat body development period and scale of platform margin are determined, scene-affinity band delimited
Advantageous reef beach development belt；
Step S5: using geology software, and the growth in forward simulation tableland optimizes prediction result.
2. a kind of carbonate platform marginal texture meticulous depiction as described in claim 1 and prediction technique, it is characterised in that:
In the step S1, the construction method of the High-Resolution Sequence Stratigraphic Framework the following steps are included:
1. field reconnaissance acquisition is appeared geologic section, bond area sedimentary structure data determine ancient geoaraply pattern, stratigraphic type and
Lithologic character, outcrop geologic section can be loaded into Resform software by the rock type data that field reconnaissance obtains
It generates；
2. comprehensive outcrop data and drilling data carry out earth-layer fine division and comparison, short-term base-level cycle and boundary are determined
The log response mode in face, selects suitable log to be combined, by core and curve comparison, determine tracing pattern with
The corresponding relationship of lithology and sedimentary micro, to divide individual well short-term base-level cycle, further according to the superposed pattern of short-term cycle,
Determine longer level cycle interface；
3. common seismic data is loaded onto Landmark work station, common seismic section is extracted by SeisWork module,
Middle seismic profile should select to can be effectively controlled the well profile excessively of destination region；
4. Depth Domain well logging information is fitted to the time using well logging and vertical seismic profiling (VSP) (VSP) data synthetic seismogram
Domain waveform establishes well-shake contrastive pattern figure, and well shake combines, and more accurate when depth relationship is obtained, so that well logging information be thrown
Then shadow carries out horizon calibration on seismic profile, is fine to group to seismic profile；
5. demarcating one by one to each well that can be tracked on seismic profile, tracing of horizons is then explained, is cutd open by even well
Target reflecting layer is continuously tracked in face, is determined the position of interpretation horizon, then divide sequence interface in interpretation horizon internal fine, is determined
The geological meaning of seismic reflector identifies marine flooding surface position and Types of System Tracts；
It is closed 6. being tracked on seismic profile one by one the sequence interface in research area, by earthquake cycle of sedimentation variation and drilling well layer
Sequence interface analysis mutually corrects, and establishes well in work area and shakes unified High-Resolution Sequence Stratigraphic Framework.
3. a kind of carbonate platform marginal texture meticulous depiction as described in claim 1 and prediction technique, it is characterised in that:
In the step S2, the determination method of the development position of the development characteristics, the platform type and the scene-affinity are as follows:
Using target zone top bottom interface as restraint layer, space destructing is carried out to seismic data cube, three dimension strata model is obtained, from the three-dimensional
Purpose position layer by layer is extracted in stratigraphic model, is worked out each layer group residual thickness figure by Sequence stratigraphy and is specified the development of sequence
Feature determines platform type；Restore its ancient landform using the layer position residual thickness figure of the target zone, is based on individual well sedimentary facies mark
The fixed ancient landform, determines depocenter according to Sedimentary Framework, analyzes the development position of platform margin.
4. a kind of carbonate platform marginal texture meticulous depiction as described in claim 1 and prediction technique, it is characterised in that:
In the step S3, the foundation of the development models of the scene-affinity band and the development period of the reef flat body and superposed pattern
Determine method are as follows: by geochemical analysis, utilize carbon isotope δ13The changes of contents of C judges that deposition phase relative sea level changes are advised
Rule, in conjunction with paleostructure activity, determines different times carbonate sediment object growth rate, specifies the control of scene-affinity different structure development
Factor processed, to judge the development period of scene-affinity structure；Essence is carried out using scene-affinity structure of the 3-D seismics survey line to backbone section
Thin dissection, to different times platform edge facies band structure body and its internal reflective structure and external reflection in common seismic section
Form is identified, different section scene-affinity development conditions are compared, and analyzes scene-affinity inner structural features, in conjunction with brill well logging and rock core money
Material, determines scene-affinity reef, beach, reef-shoal complex and the corresponding seismic signature of ash balance model oil gas reservoir body, then by each earthquake
Layer position carries out system explanation, analyzes the longitudinally superimposed relationship of different times platform margin.
5. a kind of carbonate platform marginal texture meticulous depiction as described in claim 1 and prediction technique, it is characterised in that:
In the step S4, the determination of the plane distribution feature of the platform margin and its internal reef flat body development period and scale,
The advantageous reef beach development belt method of delimitation scene-affinity band are as follows: under the control of High Resolution Sequence Stratigraphic Framework, establish reef beach pair
The seismic response answered is chosen attribute relevant to amplitude and frequency class in seismic attributes analysis and is analyzed, and research ground is passed through
Seismic phase and spectrum signature make the flat distribution map of seismic facies and carry out geologic interpretation using the feature difference of seismologic parameter, will
It is converted into sedimentary facies distribution figure and carries out SEDIMENTARY FACIES ANALYSIS, in conjunction with ancient landform form, determines that the plane distribution of platform margin is special
Point and its internal reef flat body development period and scale；Relativity and reef beach development characteristics are shaken by well, establishes different times
Different platform structure development models analyze the reef beach under different scene-affinity backgrounds according to the superposed pattern and migratory direction of reef flat body
Reservoir Body development characteristics delimit scene-affinity band advantageous reef beach development belt on the basis of platform structure development models figure.
6. a kind of carbonate platform marginal texture meticulous depiction as described in any one in claim 1-5 and prediction technique,
Be characterized in that: in the step S5, the geology software is Carb3D+ software.
7. a kind of carbonate platform marginal texture meticulous depiction as claimed in any one of claims 1 to 6 and prediction technique,
It is characterized in that: in the step S6, the growth in the forward simulation tableland and the side that prediction result is optimized
Method the following steps are included:
1. obtaining the initial depth of water according to original paleogeographic reconstruction initial substrate landform, tectonic subsidence situation is analyzed；
2., by dividing high frequency sequence, determining sea level variability within the scope of sequence stratigraphic framework；
3., with petrology and paleontology, determining sediment type and carbonate rock yield based on drilling data；
4. obtaining Wave energy parameter by paleao-water depth, sea level variability and tectonic subsidence；
5. in summary data are carried as parameter with holding space, material resource supply, deposition, carry out sensitivity analysis；
6. being corrected to analog result, until error≤1%, exports final analog result；
7. the analog result of comprehensive geology software optimizes the growth pattern of different type platform structure, to the advantageous reef of survey region
Development belt prediction in beach is made preferably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558854.6A CN109597126A (en) | 2018-12-19 | 2018-12-19 | A kind of carbonate platform marginal texture meticulous depiction and prediction technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811558854.6A CN109597126A (en) | 2018-12-19 | 2018-12-19 | A kind of carbonate platform marginal texture meticulous depiction and prediction technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109597126A true CN109597126A (en) | 2019-04-09 |
Family
ID=65964149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811558854.6A Pending CN109597126A (en) | 2018-12-19 | 2018-12-19 | A kind of carbonate platform marginal texture meticulous depiction and prediction technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109597126A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609319A (en) * | 2019-08-20 | 2019-12-24 | 中国石油大学(华东) | Method for establishing time domain sequence stratigraphic section by using forward modeling of sedimentation |
| CN111427087A (en) * | 2020-04-08 | 2020-07-17 | 中国石油天然气股份有限公司 | Method for determining carbonate reservoir position in ancient landform |
| CN111596365A (en) * | 2020-06-18 | 2020-08-28 | 中国海洋石油集团有限公司 | Volcanic eruption rock earthquake interpretation method for carbonate reservoir section of lake-phase under salt |
| CN111665562A (en) * | 2020-07-20 | 2020-09-15 | 西南石油大学 | High-precision seismic sequence dividing method |
| CN112305602A (en) * | 2019-08-01 | 2021-02-02 | 中国石油天然气股份有限公司 | Carbonate reservoir prediction method based on prestack multi-attribute and ancient landform fusion technology |
| CN112392441A (en) * | 2019-08-13 | 2021-02-23 | 中国石油化工股份有限公司 | Communication unit division method and exploitation method for biological reef gas reservoir |
| CN112433248A (en) * | 2020-11-10 | 2021-03-02 | 成都理工大学 | Method for detecting hidden reservoir stratum in carbonate rock deposition environment |
| CN112462423A (en) * | 2020-11-03 | 2021-03-09 | 中国石油天然气集团有限公司 | Method and device for predicting thickness of biological reef |
| CN113049591A (en) * | 2021-03-12 | 2021-06-29 | 新疆大学 | Method for determining carbonate rock platform paleo-wind direction through biological reef |
| CN113050157A (en) * | 2020-10-15 | 2021-06-29 | 中国石油天然气股份有限公司 | Carbonate rock seismic reservoir inversion method and system based on outcrop data |
| CN114114396A (en) * | 2021-11-09 | 2022-03-01 | 成都理工大学 | Transformer-terrace facies thick-layer limestone sedimentary facies characterization and prediction system and prediction method |
| CN114415238A (en) * | 2022-01-25 | 2022-04-29 | 大庆油田有限责任公司 | Method, device, equipment and medium for explaining marine carbonate earthquake in same period and different phases |
| CN114690245A (en) * | 2022-03-29 | 2022-07-01 | 成都理工大学 | Drilling-free drilling earthquake abnormal body geological model forward modeling method |
| CN115201911A (en) * | 2022-07-25 | 2022-10-18 | 中国地质大学（武汉） | Method for dividing underground watershed based on ancient diving surface |
| CN115903047A (en) * | 2022-12-27 | 2023-04-04 | 中国地质调查局油气资源调查中心 | Method and device for identifying marine carbonate beach facies reservoir |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759745A (en) * | 2011-04-28 | 2012-10-31 | 中国石油天然气集团公司 | Method for forecasting carbonate reservoir based on forward modeling of digital geological outcrop model |
| CN105629325A (en) * | 2015-12-23 | 2016-06-01 | 中国石油大学(北京) | Foreland basin alluvial fan fine description and prediction method |
-
2018
- 2018-12-19 CN CN201811558854.6A patent/CN109597126A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759745A (en) * | 2011-04-28 | 2012-10-31 | 中国石油天然气集团公司 | Method for forecasting carbonate reservoir based on forward modeling of digital geological outcrop model |
| CN105629325A (en) * | 2015-12-23 | 2016-06-01 | 中国石油大学(北京) | Foreland basin alluvial fan fine description and prediction method |
Non-Patent Citations (3)
| Title |
|---|
| RICHARD J. PATERSON ET AL.: "ACCOMMODATION AND SEDIMENTARY ARCHITECTURE OF ISOLATED ICEHOUSE CARBONATE PLATFORMS: INSIGHTS FROM FORWARD MODELING WITH CARB3D+", 《JOURNAL OF SEDIMENTARY RESEARCH》 * |
| 徐思维: "巴西桑托斯盆地盐下碳酸盐岩台地沉积相正演模拟", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
| 罗静: "塔里木盆地典型地区台缘结构特征解剖及礁滩相分布", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305602A (en) * | 2019-08-01 | 2021-02-02 | 中国石油天然气股份有限公司 | Carbonate reservoir prediction method based on prestack multi-attribute and ancient landform fusion technology |
| CN112305602B (en) * | 2019-08-01 | 2023-02-24 | 中国石油天然气股份有限公司 | Carbonate reservoir prediction method based on prestack multi-attribute and ancient landform fusion technology |
| CN112392441B (en) * | 2019-08-13 | 2022-08-12 | 中国石油化工股份有限公司 | Communication unit division method and exploitation method for biological reef gas reservoir |
| CN112392441A (en) * | 2019-08-13 | 2021-02-23 | 中国石油化工股份有限公司 | Communication unit division method and exploitation method for biological reef gas reservoir |
| CN110609319B (en) * | 2019-08-20 | 2021-12-10 | 中国石油大学(华东) | Method for establishing time domain sequence stratigraphic section by using forward modeling of sedimentation |
| CN110609319A (en) * | 2019-08-20 | 2019-12-24 | 中国石油大学(华东) | Method for establishing time domain sequence stratigraphic section by using forward modeling of sedimentation |
| CN111427087A (en) * | 2020-04-08 | 2020-07-17 | 中国石油天然气股份有限公司 | Method for determining carbonate reservoir position in ancient landform |
| CN111596365A (en) * | 2020-06-18 | 2020-08-28 | 中国海洋石油集团有限公司 | Volcanic eruption rock earthquake interpretation method for carbonate reservoir section of lake-phase under salt |
| CN111596365B (en) * | 2020-06-18 | 2023-11-21 | 中国海洋石油集团有限公司 | Volcanic eruption rock seismic interpretation method aiming at undersalt lake-phase carbonate rock reservoir section |
| CN111665562A (en) * | 2020-07-20 | 2020-09-15 | 西南石油大学 | High-precision seismic sequence dividing method |
| CN111665562B (en) * | 2020-07-20 | 2022-03-01 | 西南石油大学 | High-precision seismic sequence dividing method |
| CN113050157A (en) * | 2020-10-15 | 2021-06-29 | 中国石油天然气股份有限公司 | Carbonate rock seismic reservoir inversion method and system based on outcrop data |
| CN113050157B (en) * | 2020-10-15 | 2024-03-26 | 中国石油天然气股份有限公司 | Carbonate rock seismic reservoir inversion method and system based on outcrop data |
| CN112462423A (en) * | 2020-11-03 | 2021-03-09 | 中国石油天然气集团有限公司 | Method and device for predicting thickness of biological reef |
| CN112433248A (en) * | 2020-11-10 | 2021-03-02 | 成都理工大学 | Method for detecting hidden reservoir stratum in carbonate rock deposition environment |
| CN112433248B (en) * | 2020-11-10 | 2022-09-30 | 成都理工大学 | Method for detecting hidden reservoir stratum in carbonate rock deposition environment |
| CN113049591A (en) * | 2021-03-12 | 2021-06-29 | 新疆大学 | Method for determining carbonate rock platform paleo-wind direction through biological reef |
| CN114114396B (en) * | 2021-11-09 | 2023-06-06 | 成都理工大学 | System and method for describing and predicting bench-ground-phase thick-layer limestone sediment phase |
| CN114114396A (en) * | 2021-11-09 | 2022-03-01 | 成都理工大学 | Transformer-terrace facies thick-layer limestone sedimentary facies characterization and prediction system and prediction method |
| CN114415238A (en) * | 2022-01-25 | 2022-04-29 | 大庆油田有限责任公司 | Method, device, equipment and medium for explaining marine carbonate earthquake in same period and different phases |
| CN114690245A (en) * | 2022-03-29 | 2022-07-01 | 成都理工大学 | Drilling-free drilling earthquake abnormal body geological model forward modeling method |
| CN115201911A (en) * | 2022-07-25 | 2022-10-18 | 中国地质大学（武汉） | Method for dividing underground watershed based on ancient diving surface |
| CN115201911B (en) * | 2022-07-25 | 2024-02-06 | 中国地质大学（武汉） | Method for dividing underground watershed based on ancient diving surface |
| CN115903047A (en) * | 2022-12-27 | 2023-04-04 | 中国地质调查局油气资源调查中心 | Method and device for identifying marine carbonate beach facies reservoir |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109597126A (en) | A kind of carbonate platform marginal texture meticulous depiction and prediction technique | |
| Brückl et al. | Crustal structure due to collisional and escape tectonics in the Eastern Alps region based on profiles Alp01 and Alp02 from the ALP 2002 seismic experiment | |
| Ilhan et al. | Meso–Cenozoic evolution of the southwestern Chukchi Borderland, Arctic Ocean | |
| CN105629325A (en) | Foreland basin alluvial fan fine description and prediction method | |
| Anyiam et al. | 3D seismic attribute-assisted stratigraphic framework and depositional setting characterization of frontier Miocene to Pliocene aged Agbada Formation reservoirs, deep offshore Niger Delta Basin | |
| Playton et al. | Architecture and genesis of prograding deep boundstone margins and debris-dominated carbonate slopes: Examples from the Permian Capitan Formation, Southern Guadalupe Mountains, West Texas | |
| Sahoo et al. | Creating three-dimensional channel bodies in LiDAR-integrated outcrop characterization: A new approach for improved stratigraphic analysis | |
| Spina et al. | Characterization of the Devonian Kharyaga carbonate platform (Russia): Integrated and multiscale approach | |
| Mshiu et al. | Different roles of tectonic events in the development history of the coastal Tanzania basin: remote sensing mapping and seismic interpretation results, and their implications for petroleum prospectivity | |
| Rankey et al. | Anatomy and origin of toplap in a mixed carbonate‐clastic system, Seven Rivers Formation (Permian, Guadalupian), Guadalupe Mountains, New Mexico, USA | |
| Yang | Realistic and theoretical 3D modelling of the sedimentation, burial, thermal and tectonic history of the gippsland rift basin | |
| Norsahminan et al. | 3D reservoir characterization of the Mangahewa Formation, Mangahewa Field, Taranaki Basin, New Zealand | |
| タレク,サミール,アブデル,アジズ,アリ,イマム | NEW APPLICATIONS OF SEISMIC IMAGING IN RESOURCES EXPLORATION BASED ON SEISMIC ATTRIBUTES ANALYSIS AND SEISMIC INTERFEROMETRY | |
| Armentrout et al. | Sequence Stratigraphic Models for Exploration and Production: Evolving Methodology, Emerging Models and Application Histories | |
| Adams | Seismic stratigraphy of the Georges Bank Basin: Implications for carbon sequestration | |
| Bey | Reservoir Characterization and Seismic Expression of the Clinton Interval over Dominion's Gabor Gas Storage Field in North-East Ohio | |
| Grain | Palaeogeography of a Mid Miocene Turbidite Complex, Moki Formation, Taranaki Basin, New Zealand. | |
| AJISAFE | Evaluation of the reservoir architectural elements in deepwater turbidites of Niger Delta-a case study from the''AFUN" Field. | |
| Ortiz Sanguino | REVEALING CHANNELIZED FEATURES THROUGH MULTI-SCALE WORKFLOWS IN A MIXED CARBONATE SILICICLASTIC SETTING, GRAYBURG AND SAN ANDRES FORMATIONS, MIDLAND BASIN, TX | |
| Dunlevy | Along Margin Variation in Seismic Stratigraphy and Controls on the Evolution of the Giant Foresets Formation, Taranaki Basin, New Zealand | |
| PÉREZ | EFFECTS OF TOPOGRAPHY AND BASINS ON SEISMIC WAVE AMPLIFICATION: THE NORTHERN CHILE COASTAL CLIFF AND INTRA-MOUNTAINOUS BASINS | |
| Ahanor | Integrated Reservoir Modelling of the Norne Field.: Volume Visualization/Seismic Attribute, Structural and Property Modeling. | |
| Basri et al. | Comparison of the Outcrop with Subsurface Geology and Hydrocarbon Prospect of Jaintiapur and Adjacent Areas in Northeastern Bangladesh | |
| DAWING | Controls on facies distribution and properties in the northwest Borneo deep water fold-and-thrust belt | |
| Mahapatra | Determination of heterogeneity by high-resolution seismic reservoir characterization in the heavy oil temblor reservoir of coalinga field, California |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190409 |
|
| RJ01 | Rejection of invention patent application after publication |