CN107966730A - The method for identifying fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt - Google Patents
The method for identifying fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt Download PDFInfo
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- CN107966730A CN107966730A CN201610909062.3A CN201610909062A CN107966730A CN 107966730 A CN107966730 A CN 107966730A CN 201610909062 A CN201610909062 A CN 201610909062A CN 107966730 A CN107966730 A CN 107966730A
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- 208000035126 Facies Diseases 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000000994 depressogenic effect Effects 0.000 title claims abstract description 23
- 238000005553 drilling Methods 0.000 claims abstract description 9
- 230000008021 deposition Effects 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 230000000704 physical effect Effects 0.000 claims description 4
- 238000012795 verification Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims 1
- 238000004836 empirical method Methods 0.000 abstract description 3
- 238000010998 test method Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 241000237538 Solenidae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000009671 shengli Substances 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/61—Analysis by combining or comparing a seismic data set with other data
- G01V2210/616—Data from specific type of measurement
- G01V2210/6169—Data from specific type of measurement using well-logging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/62—Physical property of subsurface
- G01V2210/624—Reservoir parameters
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of method for identifying fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt, including：Step 1, the seismic data of block, the Conventional Logs of drilling well, well logging lithology information are obtained；Step 2, individual well sedimentary facies is determined using individual well composite seismogram calibration；Step 3, demarcated according to each individual well synthetic seismogram, the characteristics of seismic of Analyze of Nearshore Subaqueous Fans sand-conglomerate body is summarized by even well seismic profile；Step 4, according to the characteristics of seismic of Analyze of Nearshore Subaqueous Fans sand-conglomerate body, the sedimentary facies belt interface of sand-conglomerate body is identified；Step 5, Division of Sedimentary Facies band interface；Step 6, section combination is compared according to seismic profile and even well deposition to determine the planar distribution of Analyze of Nearshore Subaqueous Fans sand-conglomerate body sedimentary facies belt.The method combination drilling well of the identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt and characteristics of seismic identification glutenite sedimentary facies belt, it is simpler than method of testing, conveniently, while again than empirical method method accurately and reliably.
Description
Technical field
The present invention relates to oil field development technical field, especially relates to a kind of identification fault depressed lacustrine basin actic region near-shore underwater
The method for fanning sedimentary facies belt.
Background technology
Fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sand-conglomerate body reservoir extensive development is current and is surveyed in a period of time from now on
The key areas with being produced in increasing the storage is visited, in the second elephant of China --- in Shengli Oil Field, sand-conglomerate body petroleum resources amount is occupied
Sizable ratio.Accordingly, it is determined that fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans glutenite sedimentary facies belt, is not only such field and surveys
Visit target preferably foundation, and the accurate basis for calculating oil and gas reserves.Restricted by various factors, in addition tradition research method
Limitation, the sedimentary facies belt of sand-conglomerate body is difficult to accurately determine.Conventional research method is exactly empirical method, method of testing, is utilized
Well logging, log data, according to lithology, the difference of physical property, infer its sedimentary facies belt, this method with reference to profile and plan
With significant limitation, the restriction of construction, well control degree etc. is suffered from, subjectivity is strong, lacks clear and definite, reliable operation step
Suddenly.For this we have invented a kind of method of new identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt, solve with
Upper technical problem.
The content of the invention
The object of the present invention is to provide one kind to be directed to basin actic region Analyze of Nearshore Subaqueous Fans sandy gravel materials, and it is heavy to accurately identify it
The method of the identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt of product facies tract.
The purpose of the present invention can be achieved by the following technical measures：Identify fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans deposition
The method of facies tract, the method for the identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt include：Step 1, block is obtained
Seismic data, the Conventional Logs of drilling well, well logging lithology information；Step 2, determine that individual well sinks using individual well composite seismogram calibration
Product phase；Step 3, demarcated according to each individual well synthetic seismogram, Analyze of Nearshore Subaqueous Fans sand-conglomerate body is summarized by even well seismic profile
Characteristics of seismic；Step 4, according to the characteristics of seismic of Analyze of Nearshore Subaqueous Fans sand-conglomerate body, the sedimentary facies belt of sand-conglomerate body is identified
Interface；Step 5, Division of Sedimentary Facies band interface；Step 6, section combination is compared according to seismic profile and even well deposition to determine
The planar distribution of Analyze of Nearshore Subaqueous Fans sand-conglomerate body sedimentary facies belt.
The purpose of the present invention can be also achieved by the following technical measures：
In step 2, synthetic seismogram is that well-log information is converted to earthquake record by artificial synthesized, by known
The forward modeling of subsurface geology situation, which obtains, manually calculates seismic channel with by contrast verification and definite understanding and analysis to seismic data
As a result, it is the convolution of seismic wavelet and stratum reflection coefficient sequence：
F (t)=S (t) * R (t)
S (t) is seismic wavelet in formula；R (t) is stratum reflection coefficient sequence, and F (t) is convolution.
In step 3, each individual well synthetic seismogram calibration that step 2 obtains is shown by even well seismic profile, always
Tie the characteristics of seismic of Analyze of Nearshore Subaqueous Fans sand-conglomerate body.
In step 4, the characteristics of seismic for the Analyze of Nearshore Subaqueous Fans sand-conglomerate body that step 3 obtains is summarized, concluded, known
The sedimentary facies belt interface of other sand-conglomerate body.
In steps of 5, with reference to the analysis of drilling well, well logging and lithology, physical property, section, Division of Sedimentary Facies are contrasted by even well
Band interface.
The method of identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt in the present invention, is related to petroleum exploration domain
Element task --- the identification of fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt that Target For Drilling is chosen and reserves calculate, it is main
To be directed to basin actic region Analyze of Nearshore Subaqueous Fans sandy gravel materials, there is provided a kind of method for accurately identifying its sedimentary facies belt.The party
Method is in fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sand-conglomerate body oil-gas exploration, with seism processing achievement, with reference to well logging,
Log data, determines the Seismic reflection character of glutenite difference sedimentary facies belt, according to the comprehensive analysis figure such as profile and plan
Part comes clear and definite sedimentary facies belt border.This method is simpler than method of testing, conveniently, while again than empirical method method accurately and reliably.Finally tie
Bench drill well and characteristics of seismic identification glutenite sedimentary facies belt.
Brief description of the drawings
Fig. 1 is a specific embodiment of the method for the identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt of the present invention
Flow chart；
Fig. 2 is that adopted 108 wells of justice 284- connect well earthquake oil reservoir profile in a specific embodiment of the invention；
Fig. 3 is 92 well north-south geologic structure figure of the justice 153- field of razor clams in a specific embodiment of the invention；
Fig. 4 is that South Bohai depression is northern with glutenite sedimentary facies flat distribution map in Es3 in a specific embodiment of the invention.
Embodiment
For enable the present invention above and other objects, features and advantages become apparent, it is cited below particularly go out preferable implementation
Example, and coordinate shown in attached drawing, it is described in detail below.
As shown in Figure 1, Fig. 1 is the stream of the method for the identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt of the present invention
Cheng Tu.
In step 101, the seism processing achievement of block, the Conventional Logs of drilling well, well logging lithology information are obtained.
Flow enters step 102.
In step 102, individual well sedimentary facies is determined using individual well composite seismogram calibration.
Synthetic seismogram is that well-log information is converted to earthquake record (artificial synthesized seismic channel) by artificial synthesized, by
Known subsurface geology situation forward modeling, which obtains, manually calculates seismic channel with by contrast verification and the definite understanding to seismic data
And analysis result, be seismic wavelet and stratum reflection coefficient sequence convolution：
F (t)=S (t) * R (t)
S (t) is seismic wavelet in formula；R (t) is stratum reflection coefficient sequence, and F (t) is convolution.Flow enters step
103。
In step 103, each individual well synthetic seismogram calibration that step 102 obtains is shown by even well seismic profile,
The characteristics of seismic of Analyze of Nearshore Subaqueous Fans sand-conglomerate body is summarized, flow enters step 104.As shown in Figure 2.
In step 104, the characteristics of seismic for the Analyze of Nearshore Subaqueous Fans sand-conglomerate body that step 103 obtains is summarized, is concluded,
Identify the sedimentary facies belt interface of sand-conglomerate body, flow enters step 105.
In step 105, with reference to the analysis of drilling well, well logging and lithology, physical property, section, Division of Sedimentary Facies are contrasted by even well
Band interface, flow enter step 106.As shown in Figure 3.
In step 106, section combination is compared according to seismic profile and even well deposition to determine Analyze of Nearshore Subaqueous Fans glutenite
The planar distribution of body sedimentary facies belt, as shown in Figure 4.
The method of identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt in the present invention, with seism processing
Achievement, with reference to well logging, log data, determines the Seismic reflection character of glutenite difference sedimentary facies belt, according to profile and plane
The comprehensive analysis graphs such as figure come clear and definite sedimentary facies belt border.It can relatively accurately determine glutenite sedimentary facies belt, so as to
Oil-gas exploration and reserves are preferably instructed to declare.
Claims (5)
1. identify the method for fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt, it is characterised in that the identification fault depressed lacustrine basin is steep
Method of the slope with Analyze of Nearshore Subaqueous Fans sedimentary facies belt includes：
Step 1, the seismic data of block, the Conventional Logs of drilling well, well logging lithology information are obtained；
Step 2, individual well sedimentary facies is determined using individual well composite seismogram calibration；
Step 3, demarcated according to each individual well synthetic seismogram, Analyze of Nearshore Subaqueous Fans sand-conglomerate body is summarized by even well seismic profile
Characteristics of seismic；
Step 4, according to the characteristics of seismic of Analyze of Nearshore Subaqueous Fans sand-conglomerate body, the sedimentary facies belt interface of sand-conglomerate body is identified；
Step 5, Division of Sedimentary Facies band interface；
Step 6, section combination is compared according to seismic profile and even well deposition to determine Analyze of Nearshore Subaqueous Fans sand-conglomerate body sedimentary facies
The planar distribution of band.
2. the method for identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt according to claim 1, its feature exist
In in step 2, synthetic seismogram is that well-log information is converted to earthquake record by artificial synthesized, by known underground
Geological condition forward modeling, which obtains, manually calculates seismic channel by contrast verification and to determine to the understanding and analysis result of seismic data,
It is the convolution of seismic wavelet and stratum reflection coefficient sequence：
F (t)=S (t) * R (t)
S (t) is seismic wavelet in formula；R (t) is stratum reflection coefficient sequence, and F (t) is convolution.
3. the method for identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt according to claim 1, its feature exist
In, in step 3, each individual well synthetic seismogram calibration that step 2 obtains is passed through into even well seismic profile and is shown, summary offshore
The characteristics of seismic of subaqueous fans sand-conglomerate body.
4. the method for identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt according to claim 1, its feature exist
In, in step 4, the characteristics of seismic for the Analyze of Nearshore Subaqueous Fans sand-conglomerate body that step 3 obtains is summarized, is concluded, identification sand
The sedimentary facies belt interface of Conglomerate Body.
5. the method for identification fault depressed lacustrine basin actic region Analyze of Nearshore Subaqueous Fans sedimentary facies belt according to claim 1, its feature exist
In in steps of 5, with reference to the analysis of drilling well, well logging and lithology, physical property, passing through even well and contrast section, Division of Sedimentary Facies zone boundary
Face.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153215A (en) * | 2017-04-19 | 2017-09-12 | 中国石油大学(华东) | A kind of depositional model construction method under the constraint based on arid climate |
| CN109324171A (en) * | 2018-11-15 | 2019-02-12 | 中国海洋石油集团有限公司 | A kind of sedimentary facies quantitative identification method based on lithology statistics |
| 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 |
| CN109884697A (en) * | 2019-03-20 | 2019-06-14 | 中国石油化工股份有限公司 | Glutenite sedimentary facies earthquake prediction method based on complete overall experience mode decomposition |
| CN111175819A (en) * | 2020-01-06 | 2020-05-19 | 中国石油化工股份有限公司 | Gravel rock sector sedimentary facies belt fine dividing method based on well-seismic multi-stage constraint |
| CN113917557A (en) * | 2020-07-10 | 2022-01-11 | 中国石油化工股份有限公司 | Identification method of fan between gravel rock mass fans |
| CN114910964A (en) * | 2022-05-30 | 2022-08-16 | 中国石油化工股份有限公司 | Prediction method for gravel rock mass dessert area on steep slope of fractured lake basin |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153215A (en) * | 2017-04-19 | 2017-09-12 | 中国石油大学(华东) | A kind of depositional model construction method under the constraint based on arid climate |
| CN109324171A (en) * | 2018-11-15 | 2019-02-12 | 中国海洋石油集团有限公司 | A kind of sedimentary facies quantitative identification method based on lithology statistics |
| 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 |
| CN109870719B (en) * | 2019-01-25 | 2021-01-29 | 中国石油天然气集团有限公司 | Well position layout method, device and system for carbonate rock tight thin reservoir |
| CN109884697A (en) * | 2019-03-20 | 2019-06-14 | 中国石油化工股份有限公司 | Glutenite sedimentary facies earthquake prediction method based on complete overall experience mode decomposition |
| CN109884697B (en) * | 2019-03-20 | 2021-06-22 | 中国石油化工股份有限公司 | Glutenite sedimentary facies earthquake prediction method based on complete ensemble empirical mode decomposition |
| CN111175819A (en) * | 2020-01-06 | 2020-05-19 | 中国石油化工股份有限公司 | Gravel rock sector sedimentary facies belt fine dividing method based on well-seismic multi-stage constraint |
| CN111175819B (en) * | 2020-01-06 | 2022-02-18 | 中国石油化工股份有限公司 | Gravel rock sector sedimentary facies belt fine dividing method based on well-seismic multi-stage constraint |
| CN113917557A (en) * | 2020-07-10 | 2022-01-11 | 中国石油化工股份有限公司 | Identification method of fan between gravel rock mass fans |
| CN114910964A (en) * | 2022-05-30 | 2022-08-16 | 中国石油化工股份有限公司 | Prediction method for gravel rock mass dessert area on steep slope of fractured lake basin |
| CN114910964B (en) * | 2022-05-30 | 2023-04-14 | 中国石油化工股份有限公司 | Prediction method for gravel rock mass dessert area on steep slope of fractured lake basin |
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