CN107730150A - A kind of method that fluvial depositional reservoir substratum contrasts automatically - Google Patents
A kind of method that fluvial depositional reservoir substratum contrasts automatically Download PDFInfo
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- CN107730150A CN107730150A CN201711149372.0A CN201711149372A CN107730150A CN 107730150 A CN107730150 A CN 107730150A CN 201711149372 A CN201711149372 A CN 201711149372A CN 107730150 A CN107730150 A CN 107730150A
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Abstract
The invention discloses a kind of method that fluvial depositional reservoir substratum contrasts automatically, belong to geological research technical field.It is comprised the following steps that：Step 1: each well index bed division is established, index bed is the geologic horizon of readily identified stabilization, is the precondition of substratum Auto-matching；Step 2: the detail stratigraphic division of existing standard well；Step 3: the substratum distribution linear of standard well；Step 4: linear data " distribution standard "；Step 5: unknown well layer data linear；Step 6: unknown well substratum linear data comparison " distribution standard "；By being matched with standard well " distribution standard ", the linear data of well are obtained contrasting；Step 7: draw unknown well detail correlation of reservoir bed data；Step 8: whole district's substratum system layer closure checking；From the close-by examples to those far off, comparison of design circuit, ensure that whole district's well comparing result is consistent.The present invention can efficiently solve the problem of oil field development geological research middle small layer contrast.
Description
Technical field
The present invention relates to a kind of method that fluvial depositional reservoir substratum contrasts automatically, belong to geological research technical field.
Background technology
At present in oil development geology industry research, fluvial depositional reservoir substratum Strata Comparison is develop geological research one
Conventional and important element task, the more pattern based on Strata Comparison, carry out the detail correlation of reservoir bed on stratum using manual method, it is cumbersome
It is time consuming and workload is huge, be unfavorable for the information age effectively complete high-qualityly correlative study work.
The content of the invention
For drawbacks described above present in prior art, contrasted automatically the invention provides a kind of fluvial depositional reservoir substratum
Method, the problem of oil field development geological research middle small layer contrasts can be efficiently solved, researcher is appointed from heavy research
Freed in business, meet the needs of research and production.
The present invention is achieved by the following technical solution：A kind of method that fluvial depositional reservoir substratum contrasts automatically, tool
Body step is as follows：
Step 1: each well index bed division is established, index bed is the geologic horizon of readily identified stabilization, is automatic of substratum
The precondition matched somebody with somebody；It is usually section, layer of sand component layers boundary line to develop in geology, in practice process, there is provided index bed it is more, it is right
Substratum Auto-matching precision controlling is higher.
Step 2: the detail stratigraphic division of existing standard well；Standard well distributed areas location-appropriate, optional more mouthfuls of standard wells.
Step 3: the substratum distribution linear of standard well；The middle small layer contrast of exploitation geological research is to determine that single sand body belongs to
Small layer unit, sand body in standard well is subjected to numerical value value at substratum development position, sand body generally there are top two, bottom data, small
Layer sand body value is to be unified, i.e. the face data of two lines, becomes " line " data by linear.
Step 4: linear data " distribution standard "；In order to contrast needs in next step, linear data are established it
Distribution in substratum, that is, obtain its " distribution standard ".
Step 5: unknown well layer data linear；For the ease of comparing, all sand bodies of unknown well must be subjected to lines
Change is handled.
Step 6: unknown well substratum linear data comparison " distribution standard "；By with standard well " distribution mark
It is accurate " matching, obtain contrasting the linear data of well；The substratum ownership of the sand body is obtained.Step 7: show that unknown well is small
Layer correction data；
Step 8: whole district's substratum system layer closure checking；From the close-by examples to those far off, comparison of design circuit, whole district's well comparing result is ensured
Unanimously.
The method that fluvial depositional reservoir substratum of the present invention contrasts automatically, under index bed control, it is automatically performed contrast
Well detail stratigraphic division, the problem of contrast of oil field development geological research middle small layer can be efficiently solved, by researcher from heavy
Freed in Task, meet the needs of research and production.
Brief description of the drawings
Fig. 1 is the flow chart for the method that fluvial depositional reservoir substratum described in the embodiment of the present invention contrasts automatically；
Fig. 2 is that K71-45-K71N45 contrasts diagrammatic cross-section automatically in the embodiment of the present invention；
Embodiment
Below by non-limiting embodiment and with reference to accompanying drawing, the present invention is further illustrated：
As shown in figure 1, the embodiments of the invention provide a kind of method that fluvial depositional reservoir substratum contrasts automatically, specific steps
It is as follows：
Step 1: each well index bed division is established, index bed is the geologic horizon of readily identified stabilization, is automatic of substratum
The precondition matched somebody with somebody；It is usually section, layer of sand component layers boundary line to develop in geology, in practice process, there is provided index bed it is more, it is right
Substratum Auto-matching precision controlling is higher.
Step 2: the detail stratigraphic division of existing standard well；Standard well distributed areas location-appropriate, optional more mouthfuls of standard wells.
Step 3: the substratum distribution linear of standard well；The middle small layer contrast of exploitation geological research is to determine that single sand body belongs to
Small layer unit, sand body in standard well is subjected to numerical value value at substratum development position, sand body generally there are top two, bottom data, small
Layer sand body value is to be unified, i.e. the face data of two lines, becomes " line " data by linear.
Step 4: linear data " distribution standard "；In order to contrast needs in next step, linear data are established it
Distribution in substratum, that is, obtain its " distribution standard ".
Step 5: unknown well layer data linear；For the ease of comparing, all sand bodies of unknown well must be subjected to lines
Change is handled.
Step 6: unknown well substratum linear data comparison " distribution standard "；By with standard well " distribution mark
It is accurate " matching, obtain contrasting the linear data of well；The substratum ownership of the sand body is obtained.
Step 7: draw unknown well detail correlation of reservoir bed data；
Step 8: whole district's substratum system layer closure checking；From the close-by examples to those far off, comparison of design circuit, whole district's well comparing result is ensured
Unanimously.
Specifically, can be as follows as shown in Fig. 2 so that Kenxi oil feild cultivates 71 pieces of K71-45, K71N45 wells as an example
Operation：
1st, it is standard well to choose K71-45 wells；
2nd, standard JingK71-45Jing big layer individual-layer data, substratum individual-layer data, sand body tables of data are inputted；
3rd, contrast JingK71N45Jing big layer individual-layer data, sand body tables of data are intended in input；
The elevation control methods such as utilize, by computer software programming, calculate plan contrast each sand bodies pair of JingK71N45Jing
Small level number is answered, easily realizes that substratum contrasts automatically.
The embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for this area
For technical staff, the present invention can have various modifications and variations.That is made within the spirit and principles of the invention is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (2)
1. a kind of method that fluvial depositional reservoir substratum contrasts automatically, it is characterised in that comprise the following steps that：
Step 1: each well index bed division is established, index bed is the geologic horizon of readily identified stabilization, is substratum Auto-matching
Precondition；
Step 2: the detail stratigraphic division of existing standard well；
Step 3: the substratum distribution linear of standard well；
Step 4: linear data " distribution standard "；
Step 5: unknown well layer data linear；
Step 6: unknown well substratum linear data comparison " distribution standard "；By with standard well " distribution standard "
Matching, the linear data of well are obtained contrasting；
Step 7: draw unknown well detail correlation of reservoir bed data；
Step 8: whole district's substratum system layer closure checking；From the close-by examples to those far off, comparison of design circuit, ensure that whole district's well comparing result is consistent.
2. the method contrasted automatically according to the fluvial depositional reservoir substratum described in claim 1, it is characterised in that the index bed of selection is
It is multiple.
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| CN201711149372.0A CN107730150A (en) | 2017-11-18 | 2017-11-18 | A kind of method that fluvial depositional reservoir substratum contrasts automatically |
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| CN201711149372.0A CN107730150A (en) | 2017-11-18 | 2017-11-18 | A kind of method that fluvial depositional reservoir substratum contrasts automatically |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444960A (en) * | 2018-11-26 | 2019-03-08 | 中国石油天然气股份有限公司大港油田分公司 | Determination method for fault tectonic |
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|---|---|---|---|---|
| CN104850732A (en) * | 2014-07-11 | 2015-08-19 | 山东科技大学 | Oil reservoir small layer partitioning method and device based on sand body statistics |
| CN105221144A (en) * | 2015-09-21 | 2016-01-06 | 中国石油天然气股份有限公司 | Method and device for determining oil reservoir reserves |
| CN105426645A (en) * | 2016-01-12 | 2016-03-23 | 东营文迪科技有限公司 | Automatic comparing method and system for ASC stratum |
| CN105807318A (en) * | 2016-03-11 | 2016-07-27 | 中国地质大学（北京） | Oil reservoir division and comparison method based on high resolution sequence stratigraphy |
-
2017
- 2017-11-18 CN CN201711149372.0A patent/CN107730150A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104850732A (en) * | 2014-07-11 | 2015-08-19 | 山东科技大学 | Oil reservoir small layer partitioning method and device based on sand body statistics |
| CN105221144A (en) * | 2015-09-21 | 2016-01-06 | 中国石油天然气股份有限公司 | Method and device for determining oil reservoir reserves |
| CN105426645A (en) * | 2016-01-12 | 2016-03-23 | 东营文迪科技有限公司 | Automatic comparing method and system for ASC stratum |
| CN105807318A (en) * | 2016-03-11 | 2016-07-27 | 中国地质大学（北京） | Oil reservoir division and comparison method based on high resolution sequence stratigraphy |
Non-Patent Citations (2)
| Title |
|---|
| 李千: "小层自动识别与对比的研究和实现", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
| 郭秀蓉: "油藏描述中的小层划分与对比-以垦西油田K71断块东营组为例", 《地质科技情报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109444960A (en) * | 2018-11-26 | 2019-03-08 | 中国石油天然气股份有限公司大港油田分公司 | Determination method for fault tectonic |
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