CN106842318B - Method and device for determining geophysical two-dimensional representation of microscopic erosion pore - Google Patents
Method and device for determining geophysical two-dimensional representation of microscopic erosion pore Download PDFInfo
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- CN106842318B CN106842318B CN201611261876.7A CN201611261876A CN106842318B CN 106842318 B CN106842318 B CN 106842318B CN 201611261876 A CN201611261876 A CN 201611261876A CN 106842318 B CN106842318 B CN 106842318B
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 240
- 238000000034 method Methods 0.000 title claims abstract description 58
- 239000011148 porous material Substances 0.000 title claims abstract description 45
- 239000011435 rock Substances 0.000 claims abstract description 51
- 238000009826 distribution Methods 0.000 claims abstract description 47
- 230000004044 response Effects 0.000 claims abstract description 42
- 238000005266 casting Methods 0.000 claims abstract description 16
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- 238000004458 analytical method Methods 0.000 claims description 34
- 238000005481 NMR spectroscopy Methods 0.000 claims description 25
- 238000012512 characterization method Methods 0.000 claims description 23
- 230000005311 nuclear magnetism Effects 0.000 claims description 22
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/30—Analysis
- G01V1/306—Analysis for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles
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Abstract
The embodiment of the application provides a method and a device for determining geophysical two-dimensional representation of microscopic erosion pores. According to the method, a microscopic erosion pore development area is determined through a casting body slice and a scanning electron microscope, then a logging response characteristic of the microscopic erosion pore is researched by combining a logging curve and a nuclear magnetic logging porosity curve, and then a rock physical quantity version is determined; and secondly, obtaining a micro erosion pore logging characteristic curve according to the rock physical gauge plate, and further determining the distribution characteristics of the micro erosion pores through waveform indication inversion. Therefore, the technical problem that the distribution characteristics of the microscopic erosion pores cannot be accurately determined in the conventional method is solved.
Description
Technical field
This application involves petroleum exploration domains, in particular to a kind of microcosmic erosion hole geophysics two-dimensional characterization determination side
Method and device.
Background technique
With the continuous improvement of oil-gas exploration technology, find to visit in deep layer and hyposmosis-ultra-low penetration tight sandstone reservoir
Bright oil gas rate is higher and higher, therefore is increasingly taken seriously.But the difficulties in exploration of this kind of reservoir is also very big.Wherein, above-mentioned
Hyposmosis-extra-low permeability tight sandstone reservoir typically refers to meet porosity less than 10%, and sandstone of the permeability less than 1md stores up
Layer.
Specifically, deep layer and hyposmosis-extra-low permeability tight sandstone reservoir generally have biggish resource potential, while
With poor storage and collection performance.The study found that the development of secondary microcosmic erosion hole, can improve deep layer and hyposmosis-spy is hypotonic
The storage and collection performance of saturating tight sandstone reservoir.But due to being influenced by seismic data quality, provided currently based on poststack two-dimension earthquake
Material goes the research of the development characteristics of characterization microcosmic erosion hole seldom.Using existing method, found on well-log information secondary
The logging response character of microcosmic erosion hole finds the earthquake of microcosmic erosion hole with regard to highly difficult on poststack 2-d seismic data
Response characteristic is just more difficult.Therefore, existing method is when it is implemented, often micro- in target area in the presence of cannot accurately determine
The technical issues of seeing the distribution characteristics of dissolution porosity.
In view of the above-mentioned problems, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the present application provides a kind of microcosmic erosion hole geophysics two-dimensional characterization and determines method and apparatus, with solution
Certainly existing microcosmic erosion hole, which determines, cannot accurately determine that microcosmic erosion hole is distributed spy in two dimensional cross-section existing for method
The technical issues of sign.
The embodiment of the present application provides a kind of microcosmic erosion hole geophysics two-dimensional characterization and determines method, comprising:
Obtain the sample of coring section sandstone, the log data of the target area, the target area of target area
The nuclear-magnetism porosity logs in domain and the two-dimentional poststack seismic data of the target area；
Casting body flake and scanning electron microscope experimental analysis are carried out to the sample, obtain analysis result；
The microcosmic molten of the sample is determined by core Location according to the analysis result and the log data
Borrosion hole gap development area；
According to the log data of the target area, nuclear-magnetism porosity logs of the target area and described
The microcosmic erosion pores'growth area of sample, determines the logging response character of the microcosmic erosion hole of the target area；
The target area is divided into multiple continuous substratums according to depth, and according to the well logging of the microcosmic erosion hole
Response characteristic establishes rock physics amount version for each substratum in the multiple continuous substratum respectively；
According to the rock physics amount version of each substratum in multiple continuous substratums, determine that microcosmic erosion hole logging character is bent
Line；
The data volume that inverting is indicated using the two-dimentional poststack seismic data as seismic waveform, according to the microcosmic erosion hole
Logging character curve indicates inverting by seismic waveform, obtains the distribution characteristics of the microcosmic erosion hole of the target area.
In one embodiment, the logging response character of the microcosmic erosion hole includes: velocity of longitudinal wave greater than default
Speed, and/or, nuclear magnetic resonance log porosity is lower than default porosity.
In one embodiment, according to the log data of the target area, the nuclear-magnetism hole of the target area
The microcosmic erosion pores'growth area of porosity well-log information and the sample, determines the survey of the microcosmic erosion hole of the target area
Well response characteristic, comprising:
According to the interval transit time curve in the log data of the target area, the longitudinal wave of the target area is determined
Speed；
According to the nuclear-magnetism porosity logs of the target area, the nuclear magnetic resonance log hole of the target area is determined
Degree；
According to the microcosmic erosion pores'growth area of the sample, the pre-set velocity and the default porosity are determined.
It in one embodiment, is the multiple continuous according to the logging response character of the microcosmic erosion hole
Each substratum in substratum establishes rock physics amount version respectively, comprising:
According to the logging response character of the microcosmic erosion hole, to each substratum in the multiple continuous substratum,
Respectively using the nuclear magnetic resonance log porosity of place substratum as abscissa, using velocity of longitudinal wave as ordinate, the rock of each substratum is established
Physical quantity version.
In one embodiment, it according to the rock physics amount version of each substratum in multiple continuous substratums, determines microcosmic
Dissolution porosity logging character curve, comprising:
Microcosmic erosion hole is obtained by substratum from the rock physics amount version of each substratum in the multiple continuous substratum
Information；
The information of the microcosmic erosion hole for each substratum that will acquire, it is bent as the microcosmic erosion hole logging character
Line.
In one embodiment, the data volume of inverting, root are indicated using the two-dimentional poststack seismic data as seismic waveform
According to the microcosmic erosion hole logging character curve, inverting is indicated by seismic waveform, obtains the microcosmic molten of the target area
The distribution characteristics of borrosion hole gap, comprising:
Indicate the data volume of inverting, and using the two-dimentional poststack seismic data as seismic waveform with the microcosmic erosion hole
Logging character curve is as constraint condition, preferably radio-frequency component, to establish inverse model；
According to the inverse model, carries out seismic waveform and indicate inverting, obtain the microcosmic erosion hole of the target area
Distribution characteristics.
In one embodiment, the data volume of inverting is indicated using the two-dimentional poststack seismic data as seismic waveform, and
Using the microcosmic erosion hole logging character curve as constraint condition, preferably radio-frequency component, to establish inverse model, comprising:
Indicate the data volume of inverting, and using the two-dimentional poststack seismic data as seismic waveform with the microcosmic erosion hole
Logging character curve is as constraint condition, preferably radio-frequency component, to establish initial model；
According to the initial model, inverting obtains the target area and crosses microcosmic erosion in the two-dimentional stacked seismic data of well
Interstitial space distribution characteristics；
Microcosmic erosion interstitial space distribution characteristics and the target area in well two dimension stacked seismic data are crossed by described
Microcosmic erosion hole logging character curve on well is compared, and obtains relative error；
If the relative error is less than preset threshold, using the initial model as the inverse model.
In one embodiment, microcosmic erosion interstitial space distribution spy in well two dimension stacked seismic data is being crossed by described
Sign is compared with the microcosmic erosion hole logging character curve on the well of the target area, after obtaining relative error, institute
State method further include:
If the relative error is more than or equal to the preset threshold, radio-frequency component is reselected, and according to selecting again
The radio-frequency component selected establishes initial model, until the initial model according to foundation, the well excessively for the target area that inverting obtains
Microcosmic erosion interstitial space distribution characteristics in two-dimentional stacked seismic data and the microcosmic erosion hole on the well of the target area
Relative error between gap logging character curve is less than the preset threshold, then using current initial model as the inverting mould
Type.
Based on identical inventive concept, the embodiment of the present application also provides a kind of microcosmic erosion hole geophysics bivariate tables
Levy determining device, comprising:
Module is obtained, the sample of the coring section sandstone for obtaining target area, the log of the target area provide
The two-dimentional poststack seismic data of material, the nuclear-magnetism porosity logs of the target area and the target area；
Analysis module obtains analysis result for carrying out casting body flake and scanning electron microscope experimental analysis to the sample；
First determining module, for being determined according to the analysis result and the log data by core Location
The microcosmic erosion pores'growth area of the sample；
Second determining module, for being determined according to the analysis result and the log data by core Location
The microcosmic erosion pores'growth area of the sample；
Third determining module, for the target area to be divided into multiple continuous substratums according to depth, and according to described
The logging response character of microcosmic erosion hole establishes rock physics amount for each substratum in the multiple continuous substratum respectively
Version；
4th determining module determines microcosmic for the rock physics amount version according to each substratum in multiple continuous substratums
Dissolution porosity logging character curve；
5th determining module, for indicating the data volume of inverting, root using the two-dimentional poststack seismic data as seismic waveform
According to the microcosmic erosion hole logging character curve, inverting is indicated by seismic waveform, obtains the microcosmic molten of the target area
The distribution characteristics of borrosion hole gap.
In one embodiment, second determining module includes:
First determination unit is determined for the interval transit time curve in the log data according to the target area
The velocity of longitudinal wave of the target area；
Second determination unit determines the target area for the nuclear-magnetism porosity logs according to the target area
The nuclear magnetic resonance log porosity in domain；
Third determination unit, for the microcosmic erosion pores'growth area according to the sample, determine the pre-set velocity and
The default porosity.
In one embodiment, the 4th determining module includes:
Information acquisition unit, for from the rock physics amount version of each substratum in the multiple continuous substratum by substratum
Obtain the information of microcosmic erosion hole；
4th determination unit, the information of the microcosmic erosion hole of each substratum for will acquire, as described microcosmic molten
Borrosion hole gap logging character curve.
In one embodiment, the 5th determining module includes:
Model determination unit, for indicating the data volume of inverting using the two-dimentional poststack seismic data as seismic waveform, and
Using the microcosmic erosion hole logging character curve as constraint condition, preferably radio-frequency component, to establish inverse model；
5th determination unit, for carrying out seismic waveform and indicating inverting, obtain the target area according to the inverse model
The distribution characteristics of the microcosmic erosion hole in domain.
In the embodiment of the present application, it by determining microcosmic erosion pores'growth area using casting body flake and scanning electron microscope, ties
It closes log and nuclear magnetic resonance log porosity curve obtains the logging response character of microcosmic erosion hole, with reference to the rock object of foundation
It manages template and then determines the continuous logging character curve of microcosmic erosion hole；Further according to two-dimentional poststack seismic data and microcosmic erosion
The instruction inverting of hole logging character curve negotiating seismic waveform determines the distribution characteristics of microcosmic erosion hole, expands the model of prediction
It encloses, solves the problems, such as that use scope existing for existing method is limited and microcosmic erosion hole determines precision low technical, reached
The technical effect of microcosmic erosion distribution of pores is accurately determined in two-dimentional stacked seismic data.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the processing that method is determined according to a kind of microcosmic erosion hole geophysics two-dimensional characterization of the embodiment of the present application
Flow chart；
Fig. 2 is the composition according to a kind of microcosmic erosion hole geophysics two-dimensional characterization determining device of the embodiment of the present application
Structure chart；
Fig. 3 is to provide a kind of microcosmic erosion hole geophysics two-dimensional characterization using the embodiment of the present application to determine method/dress
W1 borehole logging tool microcosmic erosion pores'growth characteristic synthetic histogram in the target area set；
Fig. 4 is to provide a kind of microcosmic erosion hole geophysics two-dimensional characterization using the embodiment of the present application to determine method/dress
The schematic diagram for the tight sandstone reservoir microcosmic erosion porous rocks physics differentiation amount version set；
Fig. 5 is to provide a kind of microcosmic erosion hole geophysics two-dimensional characterization using the embodiment of the present application to determine method/dress
That sets crosses the schematic diagram of W1 well Crossline (road) direction poststack 2-d seismic data；
Fig. 6 is to provide a kind of microcosmic erosion hole geophysics two-dimensional characterization using the embodiment of the present application to determine method/dress
That sets crosses the schematic diagram of the direction W1 well Crossline microcosmic erosion hole seismic waveform instruction inverting section.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.
In view of removing characterization microcosmic erosion based on poststack 2-d seismic data at present due to being influenced by seismic data quality
The research of the development characteristics of hole is seldom.The characteristics of due to microcosmic erosion hole itself, it may be assumed that microcosmic erosion pore scale first is non-
It is often small, generally it is difficult to find the logging response character of microcosmic erosion hole on the well curve routinely surveyed；Secondly as microcosmic molten
It is more to lose Pore Genesis, is difficult to find its seismic response in conventional two-dimentional stacked seismic data.Therefore, existing side is utilized
Method finds that the logging response character of secondary microcosmic erosion hole is highly difficult on well-log information, and in poststack 2-d seismic data
The seismic response features of upper discovery microcosmic erosion hole are just more difficult.Therefore, existing method in the specific implementation, is often deposited
The technical issues of cannot accurately determine the distribution characteristics of the microcosmic erosion hole in target area.It is asked for above-mentioned technology is generated
The basic reason of topic, the application consideration can first pass through casting body flake and scanning electron microscope, and determination is micro- on the basis of core Location
See dissolution porosity development area；Secondly log and nuclear magnetic resonance log porosity curve are combined, the well logging of microcosmic erosion hole is analyzed
Response characteristic with reference to rock physics template, and then obtains microcosmic erosion hole logging character curve；Finally according to microcosmic erosion hole
Gap logging character curve and two-dimentional poststack seismic data, indicate inverting by seismic waveform, determine the distribution of microcosmic erosion hole
Feature.To solve existing microcosmic erosion hole determine cannot accurately be determined existing for method it is microcosmic molten in target area
The technical issues of losing distribution of pores has reached the technical effect that microcosmic erosion distribution of pores is accurately determined in two dimensional cross-section.
Based on above-mentioned thinking thinking, this application provides a kind of microcosmic erosion hole geophysics two-dimensional characterization determination sides
Method.Please refer to Fig. 1.A kind of microcosmic erosion hole geophysics two-dimensional characterization provided by the present application determines method, specifically can wrap
Include following steps (step 101 to step 107).
Step 101: obtaining the sample of coring section sandstone, the log data of the target area, institute of target area
State the nuclear-magnetism porosity logs of target area and the two-dimentional poststack seismic data of the target area.
In one embodiment, general prospect pit all has a log data, and nuclear-magnetism porosity logs can be with
There is what is be directed to measure, above-mentioned log data and nuclear-magnetism porosity logs can often directly obtain.Target area takes
The sample of heart section sandstone usually will be sampled acquisition to coring section sample of sandstone.
Step 102: casting body flake and scanning electron microscope experimental analysis being carried out to the sample, obtain analysis result.
Have in an embodiment, for the subsequent microcosmic erosion pores'growth area for accurately determining the sample, and examines
The logging response character for considering microcosmic erosion hole is usually relatively unobvious, can first determine the analysis result of sample.I.e., it is possible to
It first passes through while the casting body flake of sample and the analysis of scanning electron microscope is obtained to sample progress casting body flake and scanning electron microscope analysis
As a result, so as to subsequent use.
Step 103: the sample is determined by core Location according to the analysis result and the log data
Microcosmic erosion pores'growth area.
In one embodiment, in order to accurately determine sample microcosmic erosion pores'growth area, specifically can be according to upper
Analysis result and well-log information are stated, core Location is carried out；On the basis of core Location, the microcosmic erosion hole hair of sample is determined
Area is educated, so as to the logging response character of subsequent determining microcosmic erosion hole.When it is implemented, can according to log data and
The rock core depth of well logging and coring section carries out core Location jointly.
Step 104: being provided according to the nuclear-magnetism porosity logging of the log data of the target area, the target area
The microcosmic erosion pores'growth area of material and the sample determines that the log response of the microcosmic erosion hole of the target area is special
Sign.
In one embodiment, it by the microcosmic erosion hole in analysis microcosmic erosion pores'growth area, can determine
The logging response character of the microcosmic erosion hole can specifically include: velocity of longitudinal wave is relatively large, nuclear magnetic resonance log porosity phase
To smaller.I.e. velocity of longitudinal wave is greater than pre-set velocity, and/or, nuclear magnetic resonance log porosity is less than default porosity.
In one embodiment, in order to determine target area microcosmic erosion hole logging response character, specifically may be used
To execute (S1 to S3) according to the following steps.
S1: according to the interval transit time curve in the log data of the target area, the target area is determined
Velocity of longitudinal wave.
S2: according to the nuclear-magnetism porosity logs of the target area, the nuclear magnetic resonance log hole of the target area is determined
Porosity.
S3: according to the microcosmic erosion pores'growth area of the sample, the pre-set velocity and the default porosity are determined.
And then it can be according to the velocity of longitudinal wave of above-mentioned acquisition, nuclear magnetic resonance log porosity, pre-set velocity and the default hole
Whether degree, determine whether each velocity of longitudinal wave and nuclear magnetic resonance log porosity meet the logging response character of microcosmic erosion hole, i.e.,
Meet velocity of longitudinal wave greater than pre-set velocity, and/or, nuclear magnetic resonance log porosity is less than default porosity.
Step 105: the target area being divided into multiple continuous substratums according to depth, and according to the microcosmic erosion hole
The logging response character of gap establishes rock physics amount version for each substratum in the multiple continuous substratum respectively.
In one embodiment, in order to guarantee result precision and subsequent determining microcosmic erosion hole logging character curve
Accuracy and continuity, target area can be divided into multiple substratums by depth according to the preset depth, carried out respectively
Processing.For example, the formation thickness of target area is 100m, it can be according to the preset thickness of every substratum 10m, by the stratum average mark
At 10 substratums.It is of course also possible to as the case may be, the stratum after 100m be divided into 5 substratums of not equal thickness, wherein
First substratum 10m, the second substratum 20m, third substratum 20m, the 4th substratum 40, the 5th substratum 10m.As long as guaranteeing subsequent acquisition
The rock physics amount version of each substratum is continuous accurate.In this regard, the application is not construed as limiting.
It should be noted that in order to enable subsequent acquisition rock physics amount version as far as possible accurately, continuously, is embodied
When, it can also as the case may be or implementation condition, by the several substratums in more points of target area, so that the thickness of each substratum
It is small as far as possible, it can the subsequent depth bounds for obtaining rock physics amount version are reduced, can be further decreased so subsequent
The error of determining microcosmic erosion hole logging character curve.
In one embodiment, in order to determine the rock physics amount version of each substratum, when it is implemented, can be with: according to
The logging response character of the microcosmic erosion hole is small with place respectively to each substratum in the multiple continuous substratum
The nuclear magnetic resonance log porosity of layer establishes the rock physics amount version of each substratum using velocity of longitudinal wave as ordinate for abscissa.
Step 106: according to the rock physics amount version of each substratum in multiple continuous substratums, determining that microcosmic erosion hole is surveyed
Well indicatrix.
It in one embodiment, specifically can be according to following step in order to determine microcosmic erosion hole logging character curve
It is rapid to execute (S1 to S2).
S1: microcosmic erosion hole is obtained by substratum from the rock physics amount version of each substratum in the multiple continuous substratum
The information of gap.
S2: the information of the microcosmic erosion hole for each substratum that will acquire, as the microcosmic erosion hole logging character
Curve.
In one embodiment, in order to obtain the information of the microcosmic erosion hole in each rock physics amount version, specifically
When implementation, can fall in upper left corner area in each rock physics amount version by analysis is microcosmic erosion pores'growth region,
Obtain the information of the microcosmic erosion hole in the rock physics amount version.Because under normal circumstances, quick due to microcosmic erosion hole
Curvilinear characteristic is felt, so in the ideal situation, the microcosmic erosion hole information of rock physics amount version can mainly be distributed in the rock
The upper left corner of physical quantity version.Certainly, difference of the different research blocks due to depositional environment, diagenesis etc., microcosmic erosion hole
Different establish a capital of data fully falls in the upper left corner, when it is implemented, can adjust accordingly according to the actual situation.
Step 107: the data volume of inverting is indicated using the two-dimentional poststack seismic data as seismic waveform, according to described microcosmic
Dissolution porosity logging character curve indicates inverting by seismic waveform, obtains point of the microcosmic erosion hole of the target area
Cloth feature.
In one embodiment, in order to accurately determine target area microcosmic erosion hole distribution characteristics, specifically
It, can (S1 to S2) execution according to the following steps when implementation.
S1: the data volume of inverting is indicated, and using the two-dimentional poststack seismic data as seismic waveform with the microcosmic erosion
Hole logging character curve is as constraint condition, preferably radio-frequency component, to establish inverse model.
S2: it according to the inverse model, carries out seismic waveform and indicates inverting, obtain the microcosmic erosion hole of the target area
The distribution characteristics of gap.
It in one embodiment, can (S1 according to the following steps when specific implementation in order to establish accurate inverse model
Implement to S4).
S1: the data volume of inverting is indicated, and using the two-dimentional poststack seismic data as seismic waveform with the microcosmic erosion
Hole logging character curve is as constraint condition, preferably radio-frequency component, to establish initial model, i.e., searching microcosmic erosion hole with
Seismic waveform relationship.
S2: according to the initial model, inverting obtain the target area cross it is microcosmic in the two-dimentional stacked seismic data of well
Dissolution porosity spatial distribution characteristic.
S3: microcosmic erosion interstitial space distribution characteristics and the target area in well two dimension stacked seismic data are crossed by described
Well on microcosmic erosion hole logging character curve be compared, obtain relative error.
S4: if the relative error is less than preset threshold, using the initial model as the inverse model.
In one embodiment, in order to which the initial model for being more than or equal to preset threshold to relative error is corrected.?
By it is described cross well two dimension stacked seismic data on microcosmic erosion interstitial space distribution characteristics with it is micro- on the well of the target area
It sees dissolution porosity logging character curve to be compared, after obtaining relative error, if the method can also include: the ratio
It is more than or equal to the preset threshold compared with error, then reselects radio-frequency component, and establish just according to the radio-frequency component reselected
Beginning model, until the initial model according to foundation, in the well two dimension stacked seismic data excessively for the target area that inverting obtains
Microcosmic erosion interstitial space distribution characteristics and the target area well on microcosmic erosion hole logging character curve between
Relative error be less than the preset threshold, then using current initial model as the inverse model.
In one embodiment, in order to correct initial model, the radio-frequency component that reselects be can specifically include: be adjusted
The parameter values of whole initial model high frequency components, such as maximum frequency, the parameters such as dominant frequency.
In the embodiment of the present application, by determining microcosmic erosion pores'growth area using casting body flake and scanning electron microscope, join
It examines log and nuclear magnetic resonance log porosity curve determines the logging response character of microcosmic erosion hole, in conjunction with rock physics template
And then determine microcosmic erosion hole logging character curve；According to microcosmic erosion hole logging character curve and two-dimentional poststack finally
Shake data indicates inverting by seismic waveform, determines microcosmic erosion porosity distribution, so that solving existing method can not be quasi-
Really the technical issues of determining the microcosmic erosion porosity distribution in target area in two dimensional cross-section.
Based on the same inventive concept, a kind of microcosmic erosion hole geophysics bivariate table is additionally provided in the embodiment of the present invention
Determining device is levied, as described in the following examples.Due to a kind of microcosmic erosion hole geophysics two-dimensional characterization determining device solution
Certainly the principle of problem determines that method is similar to a kind of microcosmic erosion hole geophysics two-dimensional characterization, therefore a kind of microcosmic erosion hole
It is determining that the implementation of gap geophysics two-dimensional characterization determining device may refer to a kind of microcosmic erosion hole geophysics two-dimensional characterization
The implementation of method, overlaps will not be repeated.Used below, predetermined function may be implemented in term " unit " or " module "
Software and/or hardware combination.Although device described in following embodiment is preferably realized with software, hardware,
Or the realization of the combination of software and hardware is also that may and be contemplated.Referring to Fig. 2, being a kind of micro- of the embodiment of the present invention
A kind of composite structural diagram for seeing dissolution porosity geophysics two-dimensional characterization determining device, the apparatus may include: obtain module
201, analysis module 202, the first determining module 203, the second determining module 204, third determining module 205, the 4th determining module
206 and the 5th determining module 207.The structure is specifically described below.
It obtains module 201, specifically can be used for obtaining the sample of the coring section sandstone of target area, the target area
Log data, the nuclear-magnetism porosity logs of the target area and the two-dimentional poststack earthquake of target area money
Material.
Analysis module 202 obtains analysis knot for carrying out casting body flake and scanning electron microscope experimental analysis to the sample
Fruit.
First determining module 203, for according to the analysis result and the log data, by core Location,
Determine the microcosmic erosion pores'growth area of the sample.
Second determining module 204, for according to the analysis result and the log data, by core Location,
Determine the microcosmic erosion pores'growth area of the sample.
Third determining module 205 specifically can be used for the target area being divided into multiple continuous substratums according to depth,
And according to the logging response character of the microcosmic erosion hole, established respectively for each substratum in the multiple continuous substratum
Rock physics amount version.
4th determining module 206 specifically can be used for the rock physics amount according to each substratum in multiple continuous substratums
Version, determines microcosmic erosion hole logging character curve.
5th determining module 207 specifically can be used for indicating inverting using the two-dimentional poststack seismic data as seismic waveform
Data volume inverting is indicated by seismic waveform, obtains the target area according to the microcosmic erosion hole logging character curve
The distribution characteristics of the microcosmic erosion hole in domain.
In one embodiment, the logging response character of the microcosmic erosion hole can specifically include: velocity of longitudinal wave
Greater than pre-set velocity, and/or, nuclear magnetic resonance log porosity is less than default porosity.
In one embodiment, in order to determine the logging response character of microcosmic erosion hole, second determining module
204 can specifically include:
First determination unit is determined for the interval transit time curve in the log data according to the target area
The velocity of longitudinal wave of the target area；
Second determination unit determines the target area for the nuclear-magnetism porosity logs according to the target area
The nuclear magnetic resonance log porosity in domain；
Third determination unit, for the microcosmic erosion pores'growth area according to the sample, determine the pre-set velocity and
The default porosity.
It should be noted that the core Location, can specifically refer to according to log data and well logging and coring section
Rock core depth carry out core Location jointly.
In one embodiment, in order to determine that rock physics amount version, the third determining module 205 specifically can be used for
According to the logging response character of the microcosmic erosion hole, to each substratum in the multiple continuous substratum, respectively with institute
The rock physics amount version of each substratum is established using velocity of longitudinal wave as ordinate in the nuclear magnetic resonance log porosity of substratum for abscissa.
In one embodiment, in order to determine microcosmic erosion hole logging character curve, the 4th determining module 206
It can specifically include:
Information acquisition unit, for from the rock physics amount version of each substratum in the multiple continuous substratum by substratum
Obtain the information of microcosmic erosion hole；
4th determination unit, the information of the microcosmic erosion hole of each substratum for will acquire, as described microcosmic molten
Borrosion hole gap logging character curve.
In one embodiment, in order to determine target area microcosmic erosion hole distribution characteristics, the described 5th really
Cover half block 207 can specifically include:
Model determination unit, for indicating the data volume of inverting using the two-dimentional poststack seismic data as seismic waveform, and
Using the microcosmic erosion hole logging character curve as constraint condition, preferably radio-frequency component, to establish inverse model；
5th determination unit, for carrying out seismic waveform and indicating inverting, obtain the target area according to the inverse model
The distribution characteristics of the microcosmic erosion hole in domain.
It should be noted that above-mentioned model determination unit is to establish the good inverse model of precision, when it is implemented, can be with
The data volume of inverting is first indicated using the two-dimentional poststack seismic data as seismic waveform, and special with microcosmic erosion hole well logging
Curve is levied as constraint condition, preferably radio-frequency component, to establish initial model；Further according to the initial model, inverting obtains institute
It states target area and crosses microcosmic erosion interstitial space distribution characteristics in the two-dimentional stacked seismic data of well；And then well two dimension is crossed by described
Microcosmic erosion hole in stacked seismic data on the well of microcosmic erosion interstitial space distribution characteristics and the target area is logged well
Indicatrix is compared, and obtains relative error；It at this moment, will be described initial if the relative error is less than preset threshold
Model is as the inverse model；If the relative error is more than or equal to the preset threshold, radio-frequency component is reselected,
And initial model is established according to the radio-frequency component reselected, and until the initial model according to foundation, the mesh that inverting obtains
Mark region is crossed on the well of the microcosmic erosion interstitial space distribution characteristics in well two dimension stacked seismic data and the target area
Microcosmic erosion hole logging character curve between relative error be less than the preset threshold, then current initial model is made
For the inverse model.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
It should be noted that system, device, module or unit that above embodiment illustrates, it specifically can be by computer
Chip or entity are realized, or are realized by the product with certain function.For convenience of description, in the present specification, it retouches
It is divided into various units when stating apparatus above with function to describe respectively.It certainly, when implementing the application can be the function of each unit
It realizes in the same or multiple software and or hardware.
In addition, in the present specification, such as adjective as first and second can be only used for an element or move
Make to distinguish with another element or movement, without requiring or implying any actual this relationship or sequence.Permit in environment
Perhaps in the case where, it should not be interpreted as limited to one in only element, component or step referring to element or component or step (s)
It is a, and can be the one or more etc. in element, component or step.
It can be seen from the above description that a kind of microcosmic erosion hole geophysics two provided by the embodiments of the present application
Dimension table, which is levied, determines method and apparatus.By determining microcosmic erosion pores'growth area using casting body flake and scanning electron microscope, with reference to survey
Well curve and nuclear magnetic resonance log porosity curve determine the logging response character of microcosmic erosion hole, in turn in conjunction with rock physics template
Determine microcosmic erosion hole logging character curve；Finally according to microcosmic erosion hole logging character curve and two-dimentional poststack earthquake money
Material indicates inverting by seismic waveform, microcosmic erosion porosity distribution is determined, to solve existing microcosmic erosion hole
It determines the limited technical problem that determine precision with microcosmic erosion hole low of use scope present in method, has reached and cutd open in two dimension
The technical effect of microcosmic erosion distribution of pores is accurately determined on face；Sample is carried out further through using casting body flake and scanning electron microscope
Analysis, determines microcosmic erosion hole further according to the analysis result, log data and nuclear-magnetism porosity logs of sample
Logging response character further improves the precision that microcosmic erosion hole determines；It is micro- also to indicate that inverting determines by seismic waveform
The distribution characteristics for seeing dissolution porosity, further improves the distribution and precision of determining microcosmic erosion hole.
In a specific implementation scene, a kind of microcosmic erosion hole geophysics two dimension is provided using the embodiment of the present application
It characterizes and determines that method, device predicts the microcosmic erosion hole in somewhere.When it is implemented, can be according to following steps
(step 1 to step 3) executes.
Step 1 determines microcosmic erosion hole logging response character.
Prospect pit is required to must have interval transit time curve first, (one included by the log data i.e. in the application
Kind profile) and nuclear magnetic resonance log porosity data (the nuclear-magnetism porosity logs i.e. in the application).Secondly, to coring section
Sample of sandstone will carry out casting body flake and scanning electron microscope analysis.And then it carries out core Location and is found out micro- on the basis of core Location
It sees in dissolution porosity Growth Depth range (the microcosmic erosion pores'growth area i.e. in the application).Finally, in conjunction with velocity of longitudinal wave and core
Magnetic logging porosity curve it can be found that microcosmic erosion pores'growth place, velocity of longitudinal wave is larger, and porosity is smaller (to obtain the final product
The logging response character of microcosmic erosion hole into the application).It can specifically be sent out refering to the W1 borehole logging tool microcosmic erosion hole of Fig. 3
Educate characteristic synthetic histogram.
Step 2 passes through rock physics amount version, obtains microcosmic erosion hole logging character curve.
(i.e. originally for the logging response character of velocity of longitudinal wave within the scope of above-mentioned microcosmic erosion pores'growth and nuclear-magnetism porosity
The logging response character of microcosmic erosion hole in application), it establishes using nuclear magnetic resonance log porosity as abscissa, is with velocity of longitudinal wave
The rock physics amount version of ordinate, it can be found that microcosmic erosion hole is mainly distributed on a left side for rock physics amount version from amount version
Upper angle, it can determine that microcosmic erosion hole has biggish velocity of longitudinal wave and lesser nuclear magnetic resonance log porosity.Divide substratum again
This rock physics amount version is successively established, microcosmic erosion hole information is read from each amount version, and then can be obtained continuous micro-
See dissolution porosity logging character curve.It specifically can be refering to the tight sandstone reservoir microcosmic erosion porous rocks physical quantity version of Fig. 4.
Step 3 indicates inverting by well logging joint seismic waveform, and characterization obtains microcosmic erosion hole in two dimensional cross-section
Distribution characteristics.
Using microcosmic erosion pore character curve obtained in step 2 as constraint condition, preferred suitable radio-frequency component out is built
Reasonable initial model (i.e. searching microcosmic erosion hole and seismic waveform relationship) is found, well is crossed with waveform instruction inversion prediction and cuts open
Microcosmic erosion porosity distribution on face.It is compared with microcosmic erosion pore character curve on well, if on waveform inversion and well
The rate of coincideing is lower, then initial model is re-established, until efficiency of inverse process is preferable.Specifically W1 well can be crossed refering to Fig. 5
Crossline (road) direction poststack 2-d seismic data schematic diagram and Fig. 6 were the direction W1 well Crossline microcosmic erosion hole
Gap seismic waveform indicates inverting diagrammatic cross-section.Wherein, curve is microcosmic erosion pore character curve beside well in Fig. 6.From this
Crossing well inverting section can see the statistical result (signature logging beside well pillar on the resulting microcosmic erosion hole of inverting and well
Curve) it is consistent substantially, illustrate the microcosmic erosion hole for combining casting body flake and scanning electron microscope and rock physics amount version to establish
Indicatrix indicates inverting by seismic waveform, can relatively accurately characterize microcosmic erosion hole in the development of two-dimensional space
Degree.
It is true by a kind of above-mentioned concrete application microcosmic erosion hole geophysics two-dimensional characterization provided by the embodiments of the present application
The example for determining method and apparatus is demonstrated through a kind of microcosmic erosion hole geophysics bivariate table provided by the embodiments of the present application
It levies and determines that method and apparatus can solve the microcosmic erosion that cannot accurately determine target area existing for existing method really
Hole is the distribution characteristics of two-dimensional space the technical issues of.
Although mentioning different microcosmic erosion holes in teachings herein determines method or apparatus, the application is not
It is confined to be situation described in professional standard or embodiment etc., certain professional standards or use customized mode or reality
Apply example description practice processes on embodiment modified slightly also may be implemented above-described embodiment it is identical, it is equivalent or close,
Or the implementation result being anticipated that after deformation.Using these modifications or deformed data acquisition, processing, output, judgment mode etc.
Embodiment, still may belong within the scope of the optional embodiment of the application.
Although this application provides the method operating procedure as described in embodiment or flow chart, based on conventional or noninvasive
The means for the property made may include more or less operating procedure.The step of enumerating in embodiment sequence is only numerous steps
One of execution sequence mode, does not represent and unique executes sequence.It, can when device or client production in practice executes
To execute or parallel execute (such as at parallel processor or multithreading according to embodiment or method shown in the drawings sequence
The environment of reason, even distributed data processing environment).The terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that process, method, product or equipment including a series of elements are not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, product or equipment
Intrinsic element.In the absence of more restrictions, be not precluded include the process, method of the element, product or
There is also other identical or equivalent elements in person's equipment.
Device that above-described embodiment illustrates or module etc. can specifically realize by computer chip or entity, or by having
There is the product of certain function to realize.For convenience of description, it is divided into various modules when description apparatus above with function to retouch respectively
It states.Certainly, the function of each module can be realized in the same or multiple software and or hardware when implementing the application,
The module for realizing same function can be realized by the combination of multiple submodule etc..Installation practice described above is only
Schematically, for example, the division of the module, only a kind of logical function partition, can there is other draw in actual implementation
The mode of dividing, such as multiple module or components can be combined or can be integrated into another system, or some features can be ignored,
Or it does not execute.
It is also known in the art that other than realizing controller in a manner of pure computer readable program code, it is complete
Entirely can by by method and step carry out programming in logic come so that controller with logic gate, switch, specific integrated circuit, programmable
Logic controller realizes identical function with the form for being embedded in microcontroller etc..Therefore this controller is considered one kind
Hardware component, and the structure that the device for realizing various functions that its inside includes can also be considered as in hardware component.Or
Person even, can will be considered as realizing the device of various functions either the software module of implementation method can be hardware again
Structure in component.
The application can describe in the general context of computer-executable instructions executed by a computer, such as program
Module.Generally, program module includes routines performing specific tasks or implementing specific abstract data types, programs, objects, group
Part, data structure, class etc..The application can also be practiced in a distributed computing environment, in these distributed computing environments,
By executing task by the connected remote processing devices of communication network.In a distributed computing environment, program module can
To be located in the local and remote computer storage media including storage equipment.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, mobile terminal, server or the network equipment etc.) executes each embodiment of the application or implementation
Method described in certain parts of example.
Each embodiment in this specification is described in a progressive manner, the same or similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.The application can be used for crowd
In mostly general or special purpose computing system environments or configuration.Such as: personal computer, server computer, handheld device or
Portable device, laptop device, multicomputer system, microprocessor-based system, set top box, programmable electronics set
Standby, network PC, minicomputer, mainframe computer, 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 there are many deformation and
Variation is without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application.
Claims (12)
1. a kind of microcosmic erosion hole geophysics two-dimensional characterization determines method characterized by comprising
Obtain the sample of coring section sandstone of target area, the log data of the target area, the target area
The two-dimentional poststack seismic data of nuclear-magnetism porosity logs and the target area；
Casting body flake and scanning electron microscope experimental analysis are carried out to the sample, obtain analysis result；
The microcosmic erosion hole of the sample is determined by core Location according to the analysis result and the log data
Gap development area；
According to the log data of the target area, the nuclear-magnetism porosity logs of the target area and the sample
Microcosmic erosion pores'growth area, determine the logging response character of the microcosmic erosion hole of the target area；
The target area is divided into multiple continuous substratums according to depth, and according to the log response of the microcosmic erosion hole
Feature establishes rock physics amount version for each substratum in the multiple continuous substratum respectively；
According to the rock physics amount version of substratum each in multiple substratums, microcosmic erosion hole logging character curve is determined；
The data volume that inverting is indicated using the two-dimentional poststack seismic data as seismic waveform, logs well according to the microcosmic erosion hole
Indicatrix indicates inverting by seismic waveform, obtains the distribution characteristics of the microcosmic erosion hole of the target area.
2. the method according to claim 1, wherein
The logging response character of the microcosmic erosion hole includes: velocity of longitudinal wave greater than pre-set velocity, and/or, nuclear magnetic resonance log hole
Porosity is less than default porosity.
3. according to the method described in claim 2, it is characterized in that, according to the log data of the target area, described
The nuclear-magnetism porosity logs of target area and the microcosmic erosion pores'growth area of the sample, determine the target area
The logging response character of microcosmic erosion hole, comprising:
According to the interval transit time curve in the log data of the target area, the longitudinal wave speed of the target area is determined
Degree；
According to the nuclear-magnetism porosity logs of the target area, the nuclear magnetic resonance log porosity of the target area is determined；
According to the microcosmic erosion pores'growth area of the sample, the pre-set velocity and the default porosity are determined.
4. the method according to claim 1, wherein according to the logging response character of the microcosmic erosion hole,
Rock physics amount version is established respectively for each substratum in the multiple continuous substratum, comprising:
According to the logging response character of the microcosmic erosion hole, to each substratum in the multiple continuous substratum, respectively
Using the nuclear magnetic resonance log porosity of place substratum as abscissa, using velocity of longitudinal wave as ordinate, the rock physics of each substratum are established
Measure version.
5. the method according to claim 1, wherein according to the rock object of each substratum in multiple continuous substratums
Reason amount version determines the continuous logging character curve of microcosmic erosion hole, comprising:
The letter of microcosmic erosion hole is obtained by substratum from the rock physics amount version of each substratum in the multiple continuous substratum
Breath；
The information of the microcosmic erosion hole for each substratum that will acquire, as the microcosmic erosion hole logging character curve.
6. the method according to claim 1, wherein being indicated using the two-dimentional poststack seismic data as seismic waveform
The data volume of inverting indicates inverting by seismic waveform, obtains the mesh according to the microcosmic erosion hole logging character curve
Mark the distribution characteristics of the microcosmic erosion hole in region, comprising:
Indicate the data volume of inverting, and using the two-dimentional poststack seismic data as seismic waveform with microcosmic erosion hole well logging
Indicatrix determines radio-frequency component as constraint condition, to establish inverse model；
It according to the inverse model, carries out seismic waveform and indicates inverting, obtain point of the microcosmic erosion hole of the target area
Cloth feature.
7. according to the method described in claim 6, it is characterized in that, being indicated using the two-dimentional poststack seismic data as seismic waveform
The data volume of inverting, and using the microcosmic erosion hole logging character curve as constraint condition, radio-frequency component is determined, to establish
Inverse model, comprising:
Indicate the data volume of inverting, and using the two-dimentional poststack seismic data as seismic waveform with microcosmic erosion hole well logging
Indicatrix determines radio-frequency component as constraint condition, to establish initial model；
According to the initial model, inverting obtains the target area and crosses microcosmic erosion hole in the two-dimentional stacked seismic data of well
Spatial distribution characteristic；
It is crossed described in well two dimension stacked seismic data on the well of microcosmic erosion interstitial space distribution characteristics and the target area
Microcosmic erosion hole logging character curve be compared, obtain relative error；
If the relative error is less than preset threshold, using the initial model as the inverse model.
8. the method according to the description of claim 7 is characterized in that will be microcosmic molten in the well two dimension stacked seismic data excessively
Borrosion hole gap spatial distribution characteristic is compared with the microcosmic erosion hole logging character curve on the well of the target area, is obtained
After relative error, the method also includes:
If the relative error is more than or equal to the preset threshold, reselect radio-frequency component, and according to reselecting
Radio-frequency component establishes initial model, until the initial model according to foundation, the two dimension of well excessively for the target area that inverting obtains
Microcosmic erosion interstitial space distribution characteristics in stacked seismic data and the microcosmic erosion hole on the well of the target area are surveyed
Relative error between well indicatrix is less than the preset threshold, then using current initial model as the inverse model.
9. a kind of microcosmic erosion hole geophysics two-dimensional characterization determining device characterized by comprising
Module is obtained, for obtaining the sample of coring section sandstone, the log data of the target area, institute of target area
State the nuclear-magnetism porosity logs of target area and the two-dimentional poststack seismic data of the target area；
Analysis module obtains analysis result for carrying out casting body flake and scanning electron microscope experimental analysis to the sample；
First determining module, for according to the analysis result and the log data, by core Location, described in determination
The microcosmic erosion pores'growth area of sample；
Second determining module, for according to the analysis result and the log data, by core Location, described in determination
The microcosmic erosion pores'growth area of sample；
Third determining module, for the target area to be divided into multiple continuous substratums according to depth, and according to described microcosmic
The logging response character of dissolution porosity establishes rock physics amount version for each substratum in the multiple continuous substratum respectively；
4th determining module determines microcosmic erosion for the rock physics amount version according to each substratum in multiple continuous substratums
Hole logging character curve；
5th determining module, for indicating the data volume of inverting using the two-dimentional poststack seismic data as seismic waveform, according to institute
Microcosmic erosion hole logging character curve is stated, inverting is indicated by seismic waveform, obtains the microcosmic erosion hole of the target area
The distribution characteristics of gap.
10. device according to claim 9, which is characterized in that second determining module includes:
First determination unit, for the interval transit time curve in the log data according to the target area, determine described in
The velocity of longitudinal wave of target area；
Second determination unit determines the target area for the nuclear-magnetism porosity logs according to the target area
Nuclear magnetic resonance log porosity；
Third determination unit determines pre-set velocity and default hole for the microcosmic erosion pores'growth area according to the sample
Degree.
11. device according to claim 9, which is characterized in that the 4th determining module includes:
Information acquisition unit, for being obtained from the rock physics amount version of each substratum in the multiple continuous substratum by substratum
The information of microcosmic erosion hole；
4th determination unit, the information of the microcosmic erosion hole of each substratum for will acquire, as the microcosmic erosion hole
Gap logging character curve.
12. device according to claim 9, which is characterized in that the 5th determining module includes:
Model determination unit, for indicating the data volume of inverting using the two-dimentional poststack seismic data as seismic waveform, and with institute
Microcosmic erosion hole logging character curve is stated as constraint condition, radio-frequency component is determined, to establish inverse model；
5th determination unit, for carrying out seismic waveform and indicating inverting, obtain the target area according to the inverse model
The distribution characteristics of microcosmic erosion hole.
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| CN111694054B (en) * | 2019-03-15 | 2021-12-24 | 中国石油化工股份有限公司 | Sandstone reservoir mineral corrosion strength calculation method and system based on logging curve |
| CN118052993B (en) * | 2024-04-12 | 2024-06-18 | 山东省地震工程研究院 | Method, system and equipment for determining characteristics of sliding surface of earthquake fault based on scanning electron microscope |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650701A (en) * | 2012-04-27 | 2012-08-29 | 中国石油天然气股份有限公司 | Method for predicting reservoir wave impedance based on dipole wave |
| CN103077548A (en) * | 2012-05-14 | 2013-05-01 | 中国石油化工股份有限公司 | Method for establishing solution vug reservoir body distribution model of fractured-vuggy carbonate rock reservoir |
| CN103645519A (en) * | 2013-12-17 | 2014-03-19 | 中国石油大学(华东) | Volcanic rock weathering crust identification and classification standard based oil and gas exploration method |
| CN104853822A (en) * | 2014-09-19 | 2015-08-19 | 杨顺伟 | Method for evaluating shale gas reservoir and searching sweet spot region |
| CN104898161A (en) * | 2014-03-05 | 2015-09-09 | 中国石油集团东方地球物理勘探有限责任公司 | Effective sandstone predicting method based on logging response simulator |
| CN105093308A (en) * | 2014-05-19 | 2015-11-25 | 中国石油化工股份有限公司 | Well trajectory design method and system |
| KR101620506B1 (en) * | 2015-10-15 | 2016-05-12 | 한국지질자원연구원 | Stochastic optimization technique for in situ stresses from the probability distributions of rock strength and borehole breakout width |
| CN105626058A (en) * | 2015-12-30 | 2016-06-01 | 中国石油天然气股份有限公司 | Method and device for determining development degree of reservoir karst |
-
2016
- 2016-12-30 CN CN201611261876.7A patent/CN106842318B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650701A (en) * | 2012-04-27 | 2012-08-29 | 中国石油天然气股份有限公司 | Method for predicting reservoir wave impedance based on dipole wave |
| CN103077548A (en) * | 2012-05-14 | 2013-05-01 | 中国石油化工股份有限公司 | Method for establishing solution vug reservoir body distribution model of fractured-vuggy carbonate rock reservoir |
| CN103645519A (en) * | 2013-12-17 | 2014-03-19 | 中国石油大学(华东) | Volcanic rock weathering crust identification and classification standard based oil and gas exploration method |
| CN104898161A (en) * | 2014-03-05 | 2015-09-09 | 中国石油集团东方地球物理勘探有限责任公司 | Effective sandstone predicting method based on logging response simulator |
| CN105093308A (en) * | 2014-05-19 | 2015-11-25 | 中国石油化工股份有限公司 | Well trajectory design method and system |
| CN104853822A (en) * | 2014-09-19 | 2015-08-19 | 杨顺伟 | Method for evaluating shale gas reservoir and searching sweet spot region |
| KR101620506B1 (en) * | 2015-10-15 | 2016-05-12 | 한국지질자원연구원 | Stochastic optimization technique for in situ stresses from the probability distributions of rock strength and borehole breakout width |
| CN105626058A (en) * | 2015-12-30 | 2016-06-01 | 中国石油天然气股份有限公司 | Method and device for determining development degree of reservoir karst |
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|---|---|
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