[go: up one dir, main page]

CN112433248A - Method for detecting hidden reservoir stratum in carbonate rock deposition environment - Google Patents

Method for detecting hidden reservoir stratum in carbonate rock deposition environment Download PDF

Info

Publication number
CN112433248A
CN112433248A CN202011250436.8A CN202011250436A CN112433248A CN 112433248 A CN112433248 A CN 112433248A CN 202011250436 A CN202011250436 A CN 202011250436A CN 112433248 A CN112433248 A CN 112433248A
Authority
CN
China
Prior art keywords
carbonate
area
detection method
data
carbonate rock
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.)
Granted
Application number
CN202011250436.8A
Other languages
Chinese (zh)
Other versions
CN112433248B (en
Inventor
徐文礼
文华国
霍飞
霍金钢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Univeristy of Technology
Original Assignee
Chengdu Univeristy of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Univeristy of Technology filed Critical Chengdu Univeristy of Technology
Priority to CN202011250436.8A priority Critical patent/CN112433248B/en
Publication of CN112433248A publication Critical patent/CN112433248A/en
Application granted granted Critical
Publication of CN112433248B publication Critical patent/CN112433248B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/30Analysis
    • G01V1/306Analysis for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/282Application of seismic models, synthetic seismograms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/44Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
    • G01V1/48Processing data
    • G01V1/50Analysing data

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

本发明涉及沉积盆地内部能源探测技术领域,且公开了一种碳酸盐岩沉积环境下隐蔽储层的探测方法,包括输入设备根据地质任务确定局部目标及其成像范围来确认碳酸盐岩隐蔽储层的分布位置,并对分方位成像数组和方位/角度域成像数组进行初始化,生成与实际需要模拟地区相同点数的碳酸盐岩块,形成包括不同碳酸盐岩类型的沉积区域,将划分的区域由浅到深进行逐个探索和比对。该碳酸盐岩沉积环境下隐蔽储层的探测方法,通过探测不同类型的盆地,可以使测量的数据更加准确,且能够针对不同的地区来进行设定不同的探测方法,这种探测方法可以最大限度的减小对地质储层的损害。The invention relates to the technical field of energy detection in sedimentary basins, and discloses a detection method for a hidden reservoir in a carbonate depositional environment, comprising an input device determining a local target and an imaging range according to a geological task to confirm the hidden carbonate rock The distribution position of the reservoir, initialize the sub-azimuth imaging array and the azimuth/angle domain imaging array, generate carbonate blocks with the same number of points as the actual area to be simulated, and form depositional areas including different types of carbonate rocks. The divided areas are explored and compared one by one from shallow to deep. The detection method of the hidden reservoir in the carbonate sedimentary environment can make the measured data more accurate by detecting different types of basins, and different detection methods can be set for different areas. This detection method can Minimize damage to geological reservoirs.

Description

Method for detecting hidden reservoir stratum in carbonate rock deposition environment
Technical Field
The invention relates to the technical field of geological internal energy detection, in particular to a method for detecting a hidden reservoir stratum in a carbonate rock deposition environment.
Background
The carbonate rock model is an important auxiliary tool for understanding the distribution of carbonate rock facies and (to a certain extent) the distribution of primary porosity and the storage related to the diagenesis history thereof, with the continuous deepening of oil and gas exploration, the marine carbonate rock formation distribution area gradually becomes an important oil and gas exploration place, the Tarim basin, Sichuan basin and Ordos basin in China have important findings, particularly the recent important breakthrough of the Tarim basin and the Sichuan basin, therefore, the research of the carbonate rock system also enters a new climax, and various viewpoints and methods are layered endlessly, and many terms which are generally used for describing different systems often have different meanings for geologists.
At present, a general method for detecting a hidden reservoir stratum in a carbonate rock deposition environment is to determine the carbonate rock deposition condition through a detection instrument and select an area with the most carbonate rock deposition for detection after determining, and such a side detection method causes resource non-regeneration and resource loss, and a deep beach and a shallow beach will form a fault and collapse of a middle stratum, so that a method for detecting a hidden reservoir stratum in a carbonate rock deposition environment is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for detecting a hidden reservoir stratum in a carbonate rock deposition environment, which has the advantage of accurate detection and solves the problem of resource waste caused by error detection.
(II) technical scheme
In order to achieve the purpose of accurate detection, the invention provides the following technical scheme: a method for detecting a hidden reservoir stratum in a carbonate rock deposition environment comprises the following steps:
A. the input equipment determines a local target and an imaging range thereof according to the geological task to confirm the distribution position of carbonate rock deposition, and initializes a sub-azimuth imaging array and an azimuth/angle domain imaging array, wherein the initialization proportion is 1/10, 2/20 and 3/30;
B. generating carbonate rock blocks with the same number of points as that of an actually needed simulation area at the carbonate rock deposition speed to form deposition areas comprising different carbonate rock types, and exploring and comparing the divided deoiling from shallow to deep one by one in a proportion of 1/2-1/4;
C. outputting multi-azimuth imaging data volume Imageinc-azimuth
Figure BDA0002770536490000021
Based on the sub-azimuth imaging data volume, describing the complex geologic body in multiple visual angles, comprehensively analyzing the deposition phenomenon and the deposition process, and extracting the post-stack attribute which changes along with the azimuth, wherein the extraction amount is 2L-4L;
D. according to the rising or falling of the actual sea level, enabling the carbonate rock blocks on the sides in the carbonate rock deposition areas of various types to be close to or far away from the ridge line, keeping away from the ridge line by 300 square meters to 500 square meters, and analyzing whether the rising of the sea level has influence on the area size of the carbonate rock deposition hidden reservoir;
E. determining the plane distribution characteristics of the terrace margin and the development period and scale of the reef body inside the terrace margin, delimiting the terrace margin to facilitate reef development zones to detect, and dividing different regions to place two regions to combine to generate data;
further, the method also comprises the following steps:
1) c, carrying out carbonate rock deposition physical modeling according to the address area data checked in the step A and the corrected data report data, and carrying out forward modeling on the carbonate rock physical model after modeling to obtain a forward result, wherein the forward result comprises the rock physical elasticity characteristics of sedimentary mud carbonate holes, fillers, pure limestone and hidden reservoirs;
2) determining the initial deposition area and the final deposition area according to the expression of the step B, wherein the initial deposition area and the final deposition area are respectively 20% -40%, 40% -80% and 80% -100% of the area obtained according to the area of the simulated area and the preset proportion;
3) and C, preprocessing the detection data in the step C, wherein the preprocessing comprises the following steps: performing gain recovery on the far detection acoustic logging data, and filtering Stoneley waves and low-frequency noise, wherein the noise frequency is lower than 30HZ-50 HZ;
4) performing integration treatment on the steps A-C, and determining a detection method and the whole process;
5) calibrating each tracked well on basins, shoals, sea levels and high-energy zones of the platform one by one, then tracking an explanation horizon, continuously tracking a target reflection layer through a well-connecting section, determining the position of the explanation horizon, finely dividing a horizon interface in the explanation horizon, dividing according to the area of 1/3-3/3, determining the geological meaning of a seismic reflection interface, and identifying the position of a flooding surface and the type of a system domain;
6) excavating and detecting a gentle slope open type edged system, and smoothly exchanging water in the platform without resistance;
7) and tracking and closing the sequence interfaces of all the distribution layers on the integrated section one by one, mutually correcting the cycle change of the carbonate rock deposition environment and the analysis of the hidden reservoir interface, and establishing a carbonate rock system uniform high-resolution sequence stratum framework under different geographic positions, gradients, sealing properties and fringing properties.
Further, in the step 1), all the data are integrated into an accurate standard data without error, and are combined into an industry standard.
Further, the method for simulating the region in the step 2) is refined, and the region is finally divided into three divided areas, wherein the 1/60-10/60-30/60 proportion of each divided area corresponds to the ratio of the three divided areas.
Further, the surrounding environment in the step 3) can work until reaching the standard of equipment detection, and the operation is stopped immediately when the surrounding environment is influenced a little.
Further, the side probing method in the step 4) performs side pre-probing and comparison, and compares the data of the side pre-probing with the data obtained by the previous comparison, so as to ensure that the side probing can be performed formally after no error occurs.
Further, the quantity and the mode of carbonate rock deposition in each area in the step 5) are different, different side detection methods are required in both basin areas and beaches or high-energy-band areas of the platform, and the whole side detection method is not required to be changed.
Further, the plane distribution characteristics of the platform margin and the development period and scale of the internal reef body of the platform margin are determined in the step 6) and the step 7), a reef development zone is defined for the platform margin, carbonate rock deposition response corresponding to the reefs is established under the control of the high-precision sequence stratum framework, and the larger attribute of the hidden reservoir is selected for analysis during geological attribute analysis.
(III) advantageous effects
Compared with the prior art, the invention provides a method for detecting a hidden reservoir stratum in a carbonate rock deposition environment, which has the following beneficial effects:
1. according to the detection method of the hidden reservoir in the carbonate rock deposition environment, the measured data can be more accurate by detecting areas such as basins, shallow beaches, deep beaches and plateau high-energy zones on different sides, different detection methods can be set for different areas, the detection method which can be changed according to local conditions can be suitable for geology of different sections to conduct exploration, and the damage to geological excavation can be reduced to the maximum extent by the detection method.
2. According to the method for detecting the hidden reservoir in the carbonate rock deposition environment, accurate detection is carried out in proportion, measured data of the carbonate rock of different grids are stable, the frequency hopping condition is avoided, the resource waste condition is avoided according to the method for detecting the hidden reservoir from shallow to deep, and the ecological environment of low-lying areas such as the sea and the basin is not damaged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The first embodiment is as follows:
a method for detecting a hidden reservoir stratum in a carbonate rock deposition environment comprises the following steps:
A. the input equipment determines a local target and an imaging range thereof according to the geological task to confirm the distribution position of carbonate rock deposition, initializes the sub-azimuth imaging array and the azimuth/angle domain imaging array, and initializes the proportion according to 1/10;
B. generating carbonate rock blocks with the same number of points as that of an actually needed simulation area at the carbonate rock deposition speed to form deposition areas comprising different carbonate rock types, and exploring and comparing the divided deoiling from shallow to deep one by one in a proportion of 1/2;
C. outputting multi-azimuth imaging data volume Imageinc-azimuth
Figure BDA0002770536490000051
Based on the sub-azimuth imaging data volume, describing the complex geologic body in multiple visual angles, comprehensively analyzing the deposition phenomenon and the deposition process, and extracting the post-stack attribute which changes along with the azimuth, wherein the extraction amount is 2L;
D. according to the rising or falling of the actual sea level, enabling the carbonate rock blocks on the sides in the carbonate rock deposition areas of various types to approach or leave the ridge line and keep away from the ridge line by 300 square meters, generating a carbonate rock deposition argillaceous background impedance body according to the corresponding relation between the carbonate rock deposition argillaceous characteristic curve and the elastic impedance, and analyzing whether the rising of the sea level has influence on the area size of the carbonate rock deposition hidden reservoir;
E. determining the plane distribution characteristics of the terrace margin and the development period and scale of the reef body inside the terrace margin, delimiting the terrace margin to facilitate reef development zones to detect, and dividing different regions to place two regions to combine to generate data;
further, the method also comprises the following steps:
1) c, carrying out carbonate rock deposition physical modeling according to the address area data checked in the step A and the corrected data report data, and carrying out forward modeling on the carbonate rock physical model after modeling to obtain a forward result, wherein the forward result comprises the rock physical elasticity characteristics of sedimentary mud carbonate holes, fillers, pure limestone and hidden reservoirs;
2) determining the initial deposition area and the final deposition area according to the expression of the step B, wherein the initial deposition area and the final deposition area are respectively 20% -40% of the area obtained according to the area of the simulation area and the preset proportion which are actually needed;
3) and C, preprocessing the detection data in the step C, wherein the preprocessing comprises the following steps: performing gain recovery on the far detection acoustic logging data, and filtering Stoneley waves and low-frequency noise, wherein the noise frequency is lower than 30HZ-50 HZ;
4) performing integration treatment on the steps A-C, and determining a detection method and the whole process;
5) calibrating the wells tracked on basins, shoals, sea levels and high-energy zones of the platform one by one, then tracking the interpretation horizon, continuously tracking the target reflecting layer through a well-connecting section, determining the position of the interpretation horizon, finely dividing a horizon interface in the interpretation horizon, dividing according to the area of 1/3, determining the geological meaning of a seismic reflecting interface, and identifying the position of a flooding surface and the type of a system domain;
6) excavating and detecting a gentle slope open type edged system, and smoothly exchanging water in the platform without resistance;
7) and tracking and closing the sequence interfaces of all the distribution layers on the integrated section one by one, mutually correcting the cycle change of the carbonate rock deposition environment and the analysis of the hidden reservoir interface, and establishing a carbonate rock system uniform high-resolution sequence stratum framework under different geographic positions, gradients, sealing properties and fringing properties.
Further, in the step 1), all the data are integrated into an accurate standard data without error, and are combined into an industry standard.
Further, the method for simulating the region in the step 2) is refined, and the region is finally divided into three divided areas, wherein 1/60 proportions of each divided area correspond to each other.
Further, the surrounding environment in the step 3) can work until reaching the standard of equipment detection, and the operation is stopped immediately when the surrounding environment is influenced a little.
Further, the side probing method in the step 4) performs side pre-probing and comparison, and compares the data of the side pre-probing with the data obtained by the previous comparison, so as to ensure that the side probing can be performed formally after no error occurs.
Further, the quantity and the mode of carbonate rock deposition in each area in the step 5) are different, different side detection methods are required in both basin areas and beaches or high-energy-band areas of the platform, and the whole side detection method is not required to be changed.
Further, the plane distribution characteristics of the platform margin and the development period and scale of the internal reef body of the platform margin are determined in the step 6) and the step 7), a reef development zone is defined for the platform margin, carbonate rock deposition response corresponding to the reefs is established under the control of the high-precision sequence stratum framework, and the larger attribute of the hidden reservoir is selected for analysis during geological attribute analysis.
Example two:
a method for detecting a hidden reservoir stratum in a carbonate rock deposition environment comprises the following steps:
A. the input equipment determines a local target and an imaging range thereof according to the geological task to confirm the distribution position of carbonate rock deposition, initializes the sub-azimuth imaging array and the azimuth/angle domain imaging array, and initializes the proportion according to 2/20;
B. generating carbonate rock blocks with the same number of points as that of an actually needed simulation area at the carbonate rock deposition speed to form deposition areas comprising different carbonate rock types, and exploring and comparing the divided deoiling from shallow to deep one by one in a proportion of 1/3;
C. outputting multi-azimuth imaging data volume Imageinc-azimuth
Figure BDA0002770536490000071
Based on the sub-azimuth imaging data volume, describing the complex geologic body in multiple visual angles, comprehensively analyzing the deposition phenomenon and the deposition process, and extracting the post-stack attribute which changes along with the azimuth, wherein the extraction amount is 3L;
D. according to the rising or falling of the actual sea level, enabling the carbonate rock blocks on the sides in the carbonate rock deposition areas of various types to be close to or far from the ridge line and far away from the ridge line by 400 square meters, generating a carbonate rock deposition argillaceous background impedance body according to the corresponding relation between the carbonate rock deposition argillaceous characteristic curve and the elastic impedance, and analyzing whether the rising of the sea level has influence on the area size of the carbonate rock deposition hidden reservoir;
E. determining the plane distribution characteristics of the terrace margin and the development period and scale of the reef body inside the terrace margin, delimiting the terrace margin to facilitate reef development zones to detect, and dividing different regions to place two regions to combine to generate data;
further, the method also comprises the following steps:
1) c, carrying out carbonate rock deposition physical modeling according to the address area data checked in the step A and the corrected data report data, and carrying out forward modeling on the carbonate rock physical model after modeling to obtain a forward result, wherein the forward result comprises the rock physical elasticity characteristics of sedimentary mud carbonate holes, fillers, pure limestone and hidden reservoirs;
2) determining the initial deposition area and the final deposition area according to the expression of the step B, wherein the initial deposition area and the final deposition area are respectively 40-80% of the area obtained by simulating the area of the area according to actual needs and a preset proportion;
3) and C, preprocessing the detection data in the step C, wherein the preprocessing comprises the following steps: performing gain recovery on the far detection acoustic logging data, and filtering Stoneley waves and low-frequency noise, wherein the noise frequency is lower than 40 HZ;
4) performing integration treatment on the steps A-C, and determining a detection method and the whole process;
5) calibrating the wells tracked on basins, shoals, sea levels and high-energy zones of the platform one by one, then tracking the interpretation horizon, continuously tracking the target reflecting layer through a well-connecting section, determining the position of the interpretation horizon, finely dividing a horizon interface in the interpretation horizon, dividing according to the area of 2/3, determining the geological meaning of a seismic reflecting interface, and identifying the position of a flooding surface and the type of a system domain;
6) excavating and detecting a gentle slope open type edged system, and smoothly exchanging water in the platform without resistance;
7) and tracking and closing the sequence interfaces of all the distribution layers on the integrated section one by one, mutually correcting the cycle change of the carbonate rock deposition environment and the analysis of the hidden reservoir interface, and establishing a carbonate rock system uniform high-resolution sequence stratum framework under different geographic positions, gradients, sealing properties and fringing properties.
Further, in the step 1), all the data are integrated into an accurate standard data without error, and are combined into an industry standard.
Further, the method for simulating the region in the step 2) is refined, and the region is finally divided into three divided areas, wherein 10/60 proportions of each divided area correspond to each other.
Further, the surrounding environment in the step 3) can work until reaching the standard of equipment detection, and the operation is stopped immediately when the surrounding environment is influenced a little.
Further, the side probing method in the step 4) performs side pre-probing and comparison, and compares the data of the side pre-probing with the data obtained by the previous comparison, so as to ensure that the side probing can be performed formally after no error occurs.
Further, the quantity and the mode of carbonate rock deposition in each area in the step 5) are different, different side detection methods are required in both basin areas and beaches or high-energy-band areas of the platform, and the whole side detection method is not required to be changed.
Further, the plane distribution characteristics of the platform margin and the development period and scale of the internal reef body of the platform margin are determined in the step 6) and the step 7), a reef development zone is defined for the platform margin, carbonate rock deposition response corresponding to the reefs is established under the control of the high-precision sequence stratum framework, and the larger attribute of the hidden reservoir is selected for analysis during geological attribute analysis.
Example three:
a method for detecting a hidden reservoir stratum in a carbonate rock deposition environment comprises the following steps:
A. the input equipment determines a local target and an imaging range thereof according to the geological task to confirm the distribution position of carbonate rock deposition, initializes the sub-azimuth imaging array and the azimuth/angle domain imaging array, and initializes the proportion according to 3/30;
B. generating carbonate rock blocks with the same number of points as that of an actually needed simulation area at the carbonate rock deposition speed to form deposition areas comprising different carbonate rock types, and exploring and comparing the divided deoiling from shallow to deep one by one in a proportion of 1/4;
C. outputting multi-azimuth imaging data volume Imageinc-azimuth
Figure BDA0002770536490000091
Based on the sub-azimuth imaging data volume, describing the complex geologic body in multiple visual angles, comprehensively analyzing the deposition phenomenon and the deposition process, and extracting the post-stack attribute which changes along with the azimuth, wherein the extraction amount is 4L;
D. according to the rising or falling of the actual sea level, enabling the carbonate rock blocks on the sides in the carbonate rock deposition areas of various types to approach or be far away from the ridge line and be far away from the ridge line by 500 square meters, generating a carbonate rock deposition argillaceous background impedance body according to the corresponding relation between the carbonate rock deposition argillaceous characteristic curve and the elastic impedance, and analyzing whether the rising of the sea level has influence on the area size of the carbonate rock deposition hidden reservoir;
E. determining the plane distribution characteristics of the terrace margin and the development period and scale of the reef body inside the terrace margin, delimiting the terrace margin to facilitate reef development zones to detect, and dividing different regions to place two regions to combine to generate data;
further, the method also comprises the following steps:
1) c, carrying out carbonate rock deposition physical modeling according to the address area data checked in the step A and the corrected data report data, and carrying out forward modeling on the carbonate rock physical model after modeling to obtain a forward result, wherein the forward result comprises the rock physical elasticity characteristics of sedimentary mud carbonate holes, fillers, pure limestone and hidden reservoirs;
2) determining the initial deposition area and the final deposition area according to the expression of the step B, wherein the initial deposition area and the final deposition area are respectively 80-100% of the area obtained according to the area of the simulation area and the preset proportion which are actually needed;
3) and C, preprocessing the detection data in the step C, wherein the preprocessing comprises the following steps: performing gain recovery on the far detection acoustic logging data, and filtering Stoneley waves and low-frequency noise, wherein the noise frequency is lower than 50 HZ;
4) performing integration treatment on the steps A-C, and determining a detection method and the whole process;
5) calibrating the wells tracked on basins, shoals, sea levels and high-energy zones of the platform one by one, then tracking the interpretation horizon, continuously tracking the target reflecting layer through a well-connecting section, determining the position of the interpretation horizon, finely dividing a horizon interface in the interpretation horizon, dividing according to the area of 3/3, determining the geological meaning of a seismic reflecting interface, and identifying the position of a flooding surface and the type of a system domain;
6) excavating and detecting a gentle slope open type edged system, and smoothly exchanging water in the platform without resistance;
7) and tracking and closing the sequence interfaces of all the distribution layers on the integrated section one by one, mutually correcting the cycle change of the carbonate rock deposition environment and the analysis of the hidden reservoir interface, and establishing a carbonate rock system uniform high-resolution sequence stratum framework under different geographic positions, gradients, sealing properties and fringing properties.
Further, in the step 1), all the data are integrated into an accurate standard data without error, and are combined into an industry standard.
Further, the method for simulating the region in the step 2) is refined, and the region is finally divided into three divided areas, wherein 30/60 proportions of each divided area correspond to each other.
Further, the surrounding environment in the step 3) can work until reaching the standard of equipment detection, and the operation is stopped immediately when the surrounding environment is influenced a little.
Further, the side probing method in the step 4) performs side pre-probing and comparison, and compares the data of the side pre-probing with the data obtained by the previous comparison, so as to ensure that the side probing can be performed formally after no error occurs.
Further, the quantity and the mode of carbonate rock deposition in each area in the step 5) are different, different side detection methods are required in both basin areas and beaches or high-energy-band areas of the platform, and the whole side detection method is not required to be changed.
Further, the plane distribution characteristics of the platform margin and the development period and scale of the internal reef body of the platform margin are determined in the step 6) and the step 7), a reef development zone is defined for the platform margin, carbonate rock deposition response corresponding to the reefs is established under the control of the high-precision sequence stratum framework, and the larger attribute of the hidden reservoir is selected for analysis during geological attribute analysis.
The invention has the beneficial effects that: a detection method of a hidden reservoir in a carbonate rock deposition environment can enable measured data to be more accurate by detecting areas such as basins, shallow beaches, deep beaches and high energy bands of terraces on different sides, can set different detection methods according to different areas, can be suitable for geology of different sections for exploration by the detection method with variable local conditions, can reduce damage to geological excavation to the maximum extent, can accurately detect the hidden reservoir in the carbonate rock deposition environment according to a proportion, can stabilize the measured data of the carbonate rocks of different grillworks, cannot generate frequency hopping, cannot generate the condition of resource waste according to the method for detecting the hidden reservoir from shallow to deep, and cannot damage ecological environments of low-lying areas such as the sea and the basins.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1.一种碳酸盐岩沉积环境下隐蔽储层的探测方法,其特征在于,该探测方法包括以下步骤:1. a detection method of hidden reservoir under carbonate depositional environment, is characterized in that, this detection method comprises the following steps: A、输入设备根据地质任务确定局部目标及其成像范围来确认碳酸盐岩沉积的分布位置,并对分方位成像数组和方位/角度域成像数组进行初始化,初始化比例按照1/10、2/20、3/30;A. The input device determines the local target and its imaging range according to the geological task to confirm the distribution position of carbonate deposits, and initializes the sub-azimuth imaging array and the azimuth/angle domain imaging array, and the initialization ratio is 1/10, 2/ 20, 3/30; B、以碳酸盐岩沉积的速度,生成与实际需要模拟地区相同点数的碳酸盐岩块,形成包括不同碳酸盐岩类型的沉积区域,将划分的去油由浅到深进行逐个探索和比对且比例为1/2-1/4;B. At the speed of carbonate rock deposition, generate carbonate rock blocks with the same number of points as the actual area to be simulated, and form depositional areas including different types of carbonate rock. Compare and the ratio is 1/2-1/4; C、输出多方位成像数据体
Figure FDA0002770536480000011
与基于分方位成像数据体,多视角描述复杂地质体,全面地分析沉积现象与沉积过程,并可提取随方位变化的叠后属性,提取量为2L-4L;
C. Output multi-directional imaging data volume
Figure FDA0002770536480000011
Based on the azimuth imaging data volume, it can describe complex geological bodies from multiple perspectives, comprehensively analyze depositional phenomena and depositional processes, and can extract post-stack attributes that vary with azimuth, and the extraction volume is 2L-4L;
D、根据实际海平面的上升或下降,使各类型碳酸盐岩沉积区域中的侧碳酸盐岩块向脊线靠拢或远离脊线,远离脊线300㎡-500㎡,碳酸盐岩沉积泥质特征曲线与弹性阻抗的对应关系,生成碳酸盐岩沉积泥质背景阻抗体,分析海平面上升对碳酸盐岩沉积隐蔽储层的面积大小是否具有影响;D. According to the rise or fall of the actual sea level, make the lateral carbonate blocks in the depositional areas of various types of carbonate rocks move closer to or away from the ridge line, and 300-500 square meters away from the ridge line. Corresponding relationship between sedimentary argillaceous characteristic curve and elastic impedance, generate carbonate sedimentary argillaceous background impedance body, and analyze whether sea level rise has an effect on the area of carbonate sedimentary hidden reservoirs; E、确定台地边缘的平面分布特点及其内部礁滩体发育期次和规模,划定台缘带有利礁滩发育带进行探测,划分不同区域放置两个区域向结合造成数据。E. Determine the plane distribution characteristics of the platform margin and the development stage and scale of the reefs and shoals inside the platform, delineate the platform margin belt for the development of reefs and shoals for exploration, and divide the two regions into different regions to combine the resulting data.
2.根据权利要求1所述的一种碳酸盐岩沉积环境下隐蔽储层的探测方法,其特征在于,还包括以下步骤:2. the detection method of concealed reservoir under a kind of carbonate sedimentary environment according to claim 1, is characterized in that, also comprises the following steps: 1)根据步骤A检查后的地址区域资料和校正后的数据报告资料进行碳酸盐岩沉积物理建模,并对所述建模后的碳酸盐岩物理模型进行正演,得到正演结果,所述正演结果中包括沉积泥碳酸盐孔洞、填充物、纯灰岩和隐蔽储层的岩石物理弹性特征;1) Carry out physical modeling of carbonate rock deposits according to the address area data checked in step A and the corrected data report data, and perform forward modeling on the carbonated rock physical model after modeling to obtain forward modeling results , the forward modeling results include the petrophysical elastic characteristics of sedimentary mud carbonate pores, fillers, pure limestone and hidden reservoirs; 2)根据步骤B的表述来进行确定初始沉积面积、最终沉积面积分别为,根据实际需要模拟地区的面积及预设比例获得面积的20%~40%、40~80%和80%~100%;2) Determine the initial deposition area and the final deposition area according to the expression in step B, respectively, 20%-40%, 40-80%, and 80%-100% of the area obtained according to the area of the simulated area and the preset ratio according to actual needs ; 3)对所述步骤C的探测数据资料进行预处理,包括:对所述远探测声波测井资料进行增益恢复、滤除斯通利波及低频噪声,噪声频率低于30HZ-50HZ;3) preprocessing the detection data in step C, including: performing gain recovery on the far-detection acoustic logging data, filtering out Stoneley waves and low-frequency noise, and the noise frequency is lower than 30HZ-50HZ; 4)将步骤A-C进行整合处理,确定探测方法及整个流程;4) Integrate steps A-C to determine the detection method and the entire process; 5)对盆地、浅海滩、海平面和台地高能带上追踪的各井逐一进行标定,然后进行解释层位追踪,通过连井剖面连续追踪目标反射层,确定解释层位的位置,再在解释层位内部精细划分层序界面,按1/3-3/3的面积进行划分,确定地震反射界面的地质含义,识别海泛面位置及体系域类型;5) Calibrate the wells tracked in the high-energy zone of the basin, shallow beach, sea level and platform one by one, and then perform the interpretation horizon tracking, and continuously track the target reflection layer through the well-connected profile to determine the position of the interpretation horizon, and then perform the interpretation horizon. Finely divide the sequence interface within the horizon, and divide it according to the area of 1/3-3/3, determine the geological meaning of the seismic reflection interface, and identify the location of the flood surface and the type of the system tract; 6)对缓坡开放型有镶边体系进行发掘探测,其台内水体交换通畅无阻;6) Excavation and detection of the open edging system with gentle slope, the water exchange in the platform is smooth and unobstructed; 7)对所有的分布层的层序界面逐一在整合的剖面上追踪闭合,将碳酸盐岩沉积环境旋回变化与隐蔽储层界面分析相互校正,建立不同地理位置、坡度、封闭性和镶边性下的碳酸盐岩体系统一的高分辨率层序地层格架。7) Track and close the sequence interfaces of all the distribution layers on the integrated profile one by one, correct the cyclic changes of the carbonate depositional environment and the analysis of the interface of the hidden reservoirs, and establish different geographical locations, slopes, sealing and fringing. A unified high-resolution sequence stratigraphic framework for carbonate rock systems under 3.根据权利要求2所述的一种碳酸盐岩沉积环境下隐蔽储层的探测方法,其特征在于:所述步骤1)中,将所有资料整合为一个精确无误差的标准数据,并合并为一个行业标准。3. the detection method of concealed reservoir under a kind of carbonate sedimentary environment according to claim 2, is characterized in that: in described step 1), all data are integrated into an accurate and error-free standard data, and merged into one industry standard. 4.根据权利要求2所述的一种碳酸盐岩沉积环境下隐蔽储层的探测方法,其特征在于:所述步骤2)中对模拟地区的方法进行精确化,最终分为三个划分面积,每个划分面积的1/60-10/60-30/60比例相对应。4. the detection method of concealed reservoir under a kind of carbonate sedimentary environment according to claim 2, is characterized in that: in described step 2), the method of simulating area is carried out to be precise, and finally divided into three divisions Area, the ratio of 1/60-10/60-30/60 of each divided area corresponds. 5.根据权利要求2所述的一种碳酸盐岩沉积环境下隐蔽储层的探测方法,其特征在于:所述步骤3)中将周边环境达到设备探测的标准方可作业,影响一点均需立刻停止。5. the detection method of concealed reservoir under a kind of carbonate sedimentary environment according to claim 2, is characterized in that: in described step 3), the surrounding environment can be operated until the standard of equipment detection is reached, and the influence is evenly distributed. Need to stop immediately. 6.根据权利要求2所述的一种碳酸盐岩沉积环境下隐蔽储层的探测方法,其特征在于:所述步骤4)中的探侧方法进行预探侧和比对,将预探侧的数据与之前比对得出的资料相对比,确保无误后方可正式进行探侧。6. the detection method of hidden reservoir under a kind of carbonate sedimentary environment according to claim 2, it is characterized in that: the detection method in described step 4) carries out pre-exploration and comparison, and pre-exploration The side data is compared with the data obtained from the previous comparison, and the side detection can be formally carried out after ensuring that it is correct. 7.根据权利要求2所述的一种碳酸盐岩沉积环境下隐蔽储层的探测方法,其特征在于:所述步骤5)中每个区域的碳酸盐岩沉积的数量和方式方法不同,无论是盆地和海滩或是台地高能带地区,均需不同的探侧方法,整体探侧方法无需改变。7. The detection method of a hidden reservoir under a carbonate depositional environment according to claim 2, wherein the number of the carbonate deposition in each area in the step 5) and the method are different , whether it is a basin, a beach or a platform high-energy zone area, different lateral detection methods are required, and the overall lateral detection method does not need to be changed. 8.根据权利要求2所述的一种碳酸盐岩沉积环境下隐蔽储层的探测方法,其特征在于:所述步骤6)和步骤7)中确定台地边缘的平面分布特点及其内部礁滩体发育期次和规模,划定台缘带有利礁滩发育带,在高精度层序地层格架的控制下,建立礁滩对应的碳酸盐岩沉积响应,在地质属性分析时选取隐蔽储层较大的属性进行分析。8. the detection method of concealed reservoir under a kind of carbonate sedimentary environment according to claim 2, is characterized in that: in described step 6) and step 7), determine the plane distribution characteristic of platform edge and its inner reef The development stage and scale of the shoal body, delineate the development zone of the reef and shoal in the platform margin zone, and under the control of the high-precision sequence stratigraphic framework, establish the carbonate sedimentary response corresponding to the reef shoal, and select the hidden rocks in the geological attribute analysis. The larger properties of the reservoir are analyzed.
CN202011250436.8A 2020-11-10 2020-11-10 Method for detecting hidden reservoir stratum in carbonate rock deposition environment Active CN112433248B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011250436.8A CN112433248B (en) 2020-11-10 2020-11-10 Method for detecting hidden reservoir stratum in carbonate rock deposition environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011250436.8A CN112433248B (en) 2020-11-10 2020-11-10 Method for detecting hidden reservoir stratum in carbonate rock deposition environment

Publications (2)

Publication Number Publication Date
CN112433248A true CN112433248A (en) 2021-03-02
CN112433248B CN112433248B (en) 2022-09-30

Family

ID=74700785

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011250436.8A Active CN112433248B (en) 2020-11-10 2020-11-10 Method for detecting hidden reservoir stratum in carbonate rock deposition environment

Country Status (1)

Country Link
CN (1) CN112433248B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113142102A (en) * 2021-04-30 2021-07-23 中国石油大学(华东) Site selection and planting method and device for establishing deepwater coral submarine culture farm

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5892732A (en) * 1996-04-12 1999-04-06 Amoco Corporation Method and apparatus for seismic signal processing and exploration
US6041017A (en) * 1996-08-05 2000-03-21 Fred L. Goldsberry Method for producing images of reservoir boundaries
US6092026A (en) * 1998-01-22 2000-07-18 Bp Amoco Corporation Seismic signal processing and exploration
US20090043507A1 (en) * 2007-08-01 2009-02-12 Austin Geomodeling, Inc. Method and system for dynamic, three-dimensional geological interpretation and modeling
CN102721984A (en) * 2012-05-28 2012-10-10 中国海洋石油总公司 Method for predicting concealed reservoir in clastic rock
CN102809762A (en) * 2012-08-13 2012-12-05 成都理工大学 Reservoir imaging technique based on full-frequency-band seismic information mining
CN105044770A (en) * 2015-07-06 2015-11-11 成都理工大学 Compact glutenite gas reservoir quantificational prediction method
CN105403929A (en) * 2015-12-08 2016-03-16 中国石油天然气股份有限公司 Method and device for determining alteration degree of TSR (time dependent response) on carbonate oil and gas reservoir
CN105489099A (en) * 2016-01-22 2016-04-13 中国石油天然气集团公司 Fracture reservoir seismic physical model and preparation method thereof
CN105589098A (en) * 2014-10-29 2016-05-18 中国石油天然气股份有限公司 Reservoir inversion method and system for removing transverse influence of sedimentary argillaceous rocks by carbonate rocks
CN106154327A (en) * 2016-08-17 2016-11-23 中国石油化工股份有限公司 A kind of method improving hidden fault recognizing precision
CN106291701A (en) * 2016-10-13 2017-01-04 成都理工大学 Reservoir detecting method and device
CN106841570A (en) * 2017-02-09 2017-06-13 中国地质科学院探矿工艺研究所 Method for identifying deformation evolution stage of karyoplast landslide of bathyscaph of Chuandong
CN107239803A (en) * 2017-07-21 2017-10-10 国家海洋局第海洋研究所 Utilize the sediment automatic classification method of deep learning neutral net
WO2017188858A1 (en) * 2016-04-28 2017-11-02 Schlumberger Canada Limited Reservoir performance system
CN109597126A (en) * 2018-12-19 2019-04-09 中国地质大学(北京) A kind of carbonate platform marginal texture meticulous depiction and prediction technique
US20190107642A1 (en) * 2017-10-11 2019-04-11 Beyond Limits, Inc. System for improved reservoir exploration and production
CN109870719A (en) * 2019-01-25 2019-06-11 中国石油天然气集团有限公司 A kind of carbonate rock thin tight reservoir distribution determination method, apparatus and system
CN109946740A (en) * 2019-03-01 2019-06-28 成都理工大学 A seismic resolution enhancement technique based on wide flat spectrum seismic wavelet shaping
US20200065620A1 (en) * 2018-08-24 2020-02-27 Petrochina Company Limited Method and apparatus for automatically recognizing electrical imaging well logging facies
CN110879916A (en) * 2019-11-05 2020-03-13 长江大学 Ecological-based carbonate rock deposition numerical simulation method and system
CN110988986A (en) * 2019-12-25 2020-04-10 成都理工大学 A low-frequency enhancement method for seismic data to improve the characterization of deep carbonate reservoirs
US20200132869A1 (en) * 2016-07-15 2020-04-30 Hohai University Seismic rock physics inversion method based on large area tight reservoir

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5892732A (en) * 1996-04-12 1999-04-06 Amoco Corporation Method and apparatus for seismic signal processing and exploration
US6041017A (en) * 1996-08-05 2000-03-21 Fred L. Goldsberry Method for producing images of reservoir boundaries
US6092026A (en) * 1998-01-22 2000-07-18 Bp Amoco Corporation Seismic signal processing and exploration
US20090043507A1 (en) * 2007-08-01 2009-02-12 Austin Geomodeling, Inc. Method and system for dynamic, three-dimensional geological interpretation and modeling
CN102721984A (en) * 2012-05-28 2012-10-10 中国海洋石油总公司 Method for predicting concealed reservoir in clastic rock
CN102809762A (en) * 2012-08-13 2012-12-05 成都理工大学 Reservoir imaging technique based on full-frequency-band seismic information mining
CN105589098A (en) * 2014-10-29 2016-05-18 中国石油天然气股份有限公司 Reservoir inversion method and system for removing transverse influence of sedimentary argillaceous rocks by carbonate rocks
CN105044770A (en) * 2015-07-06 2015-11-11 成都理工大学 Compact glutenite gas reservoir quantificational prediction method
CN105403929A (en) * 2015-12-08 2016-03-16 中国石油天然气股份有限公司 Method and device for determining alteration degree of TSR (time dependent response) on carbonate oil and gas reservoir
CN105489099A (en) * 2016-01-22 2016-04-13 中国石油天然气集团公司 Fracture reservoir seismic physical model and preparation method thereof
WO2017188858A1 (en) * 2016-04-28 2017-11-02 Schlumberger Canada Limited Reservoir performance system
US20200132869A1 (en) * 2016-07-15 2020-04-30 Hohai University Seismic rock physics inversion method based on large area tight reservoir
CN106154327A (en) * 2016-08-17 2016-11-23 中国石油化工股份有限公司 A kind of method improving hidden fault recognizing precision
CN106291701A (en) * 2016-10-13 2017-01-04 成都理工大学 Reservoir detecting method and device
CN106841570A (en) * 2017-02-09 2017-06-13 中国地质科学院探矿工艺研究所 Method for identifying deformation evolution stage of karyoplast landslide of bathyscaph of Chuandong
CN107239803A (en) * 2017-07-21 2017-10-10 国家海洋局第海洋研究所 Utilize the sediment automatic classification method of deep learning neutral net
US20190107642A1 (en) * 2017-10-11 2019-04-11 Beyond Limits, Inc. System for improved reservoir exploration and production
US20200065620A1 (en) * 2018-08-24 2020-02-27 Petrochina Company Limited Method and apparatus for automatically recognizing electrical imaging well logging facies
CN109597126A (en) * 2018-12-19 2019-04-09 中国地质大学(北京) A kind of carbonate platform marginal texture meticulous depiction and prediction technique
CN109870719A (en) * 2019-01-25 2019-06-11 中国石油天然气集团有限公司 A kind of carbonate rock thin tight reservoir distribution determination method, apparatus and system
CN109946740A (en) * 2019-03-01 2019-06-28 成都理工大学 A seismic resolution enhancement technique based on wide flat spectrum seismic wavelet shaping
CN110879916A (en) * 2019-11-05 2020-03-13 长江大学 Ecological-based carbonate rock deposition numerical simulation method and system
CN110988986A (en) * 2019-12-25 2020-04-10 成都理工大学 A low-frequency enhancement method for seismic data to improve the characterization of deep carbonate reservoirs

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
YA-JUAN XUE 等: "《EMD and Teager–Kaiser energy applied to hydrocarbon detection in a carbonate reservoir》", 《 GEOPHYSICAL JOURNAL INTERNATIONAL》 *
张贵斌 等: "《偶极横波远探测技术在隐蔽储层识别中的应用》", 《长江大学学报(自科版)》 *
李宁 等: "《复杂碳酸盐岩储层测井评价:中国的创新与发展》", 《测井技术》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113142102A (en) * 2021-04-30 2021-07-23 中国石油大学(华东) Site selection and planting method and device for establishing deepwater coral submarine culture farm

Also Published As

Publication number Publication date
CN112433248B (en) 2022-09-30

Similar Documents

Publication Publication Date Title
Eberli et al. Seismic Imaging of Carbonate Reservoirs and Systems: AAPG Memoir 81
CN106951660B (en) Sea facies clastic rock horizontal well reservoir logging interpretation method and device
WO2019062655A1 (en) Method and device for determining thin interlayer
CN109541685B (en) River channel sand body identification method
RU2661489C1 (en) Method of integrating initial data to update filtration structure of non-uniform carbonate reservoirs
Liu et al. Seismic characterization of a carbonate reservoir in Tarim Basin
Labourdette Integrated three-dimensional modeling approach of stacked turbidite channels
EA011781B1 (en) Method for creating hydrodynamics-based grinding geologic modeling (hydro-grinding)
CN110231652B (en) Density-based seismic facies extraction method using spatial clustering with noise
Chehrazi et al. Seismic data conditioning and neural network-based attribute selection for enhanced fault detection
CN112505754B (en) Method for collaborative partitioning sedimentary microfacies by well-seismic based on high-precision sequence grid model
CN105607120A (en) Time-shifting-logging-based method for building initial model with seismic facies constraint
CN115857047B (en) Comprehensive prediction method for earthquake reservoir
CN112946782B (en) Earthquake fine depicting method for dense oil-gas storage seepage body
CN108957532B (en) Reservoir stratum prediction method and device
CN105425299A (en) Method and apparatus for determining formation fracture distribution
US10451769B2 (en) Method for determining petrophysical properties from logging measurements
CN116449423A (en) Method, device, equipment and storage medium for analyzing single sand body configuration of braided river
CN117950027A (en) Method and system for identifying well-free region seismic inversion sand body based on forward model constraint
CN112433248B (en) Method for detecting hidden reservoir stratum in carbonate rock deposition environment
CN114114411B (en) Quantitative determination method and device for three-dimensional fault dredge
CN113514884A (en) Compact sandstone reservoir prediction method
CN113759419B (en) Reservoir prediction method and device, storage medium and electronic equipment
CN110727027B (en) Fine carving method for multi-period river sand
Filak et al. Advanced Workflow for 3-D Geological Modeling of a Complex Giant Field, Greater Burgan, Kuwait

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
GR01 Patent grant
GR01 Patent grant