CN109799547A - A kind of modeling method based on stratigraphic dip - Google Patents
A kind of modeling method based on stratigraphic dip Download PDFInfo
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- CN109799547A CN109799547A CN201910128984.4A CN201910128984A CN109799547A CN 109799547 A CN109799547 A CN 109799547A CN 201910128984 A CN201910128984 A CN 201910128984A CN 109799547 A CN109799547 A CN 109799547A
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- horizontal well
- stratigraphic dip
- inclination angle
- stratigraphic
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Abstract
Petroleum gas is the basic energy resource field concerning national economy, and geophysical exploration is located at the upstream of this industry, finds new resource by continuous exploration investment, and new reserves are to guarantee the sustainable development of industry.Horizontal well drilling can accelerate rate of oil production and improve recovery ratio, improve the economic benefit of oil-gas reservoir.Horizontal segment Drilling ratio can be improved in horizontal well geosteering, is provided with power technical support for horizontal well probing.The inclination angle model that stratigraphic dip modeling technique is established can be applied to horizontal well geosteering in conjunction with the inclination angle of bit course, trend data.
Description
One, technical field
Petroleum gas is the basic energy resource field concerning national economy, and geophysical exploration is located at the upper of this industry
Trip, finds new resource by continuous exploration investment, and new reserves are to guarantee the sustainable development of industry.
Two, background technique
Geological model is the premise of geosteering, helps the reservoir of Researching Oil-gas on the extensive region of geological personnel lateral
Spread, is geosteering basis key technology, and reservoir inclination angle model is capable of providing the spread angle of subsurface reservoir each point.
Three, summary of the invention
For stratigraphic interpretation other than carrying out tectonic cycle period, stratum each point further comprises dip angle attribute, is belonged to using the inclination angle of each point
Property can establish inclination angle geological model, inclination angle geological model combination drilling bit trace information can be applied to lead with boring geology
To.
The calculation method at stratigraphic interpretation point inclination angle, if stratum T1 respectively explains some coordinates as T1i (Xi, Yi, Zi)；
Explain point 0 point distance of distance
Li point strata inclination；
Ai=90-tan-1Ki Li point stratigraphic dip, level are 90 degree；
Four, Detailed description of the invention
Fig. 1 is response schematic diagram of the surface seismic to gas-bearing formation.
Fig. 2 is formation angles gridding schematic diagram.
Fig. 3 is stratification inclination angle model.
(1) stratum name (2) stratigraphic interpretation (3) each point stratigraphic dip (4) stratum point angle (5) angle grid；(6) divide
The inclination angle model of layer
Five, specific embodiment
1, each depth of stratum domain stratigraphic interpretation scheme；
2, the stratigraphic dip of node-by-node algorithm each point；
3, each layer of stratigraphic dip plane net is formatted；
4, stratigraphic interpretation line, explanation point a stratigraphic dip, stratigraphic dip background layered modeling.
Claims (1)
1. a kind of modeling method based on stratigraphic dip, including mechanism of production, removing method, application range, feature include:
Stratigraphic interpretation linear analogue calculates stratigraphic dip, and more set stratigraphic dip griddings are established stratigraphic dip model and are oriented to boring
Using.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910128984.4A CN109799547A (en) | 2019-02-21 | 2019-02-21 | A kind of modeling method based on stratigraphic dip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128984.4A CN109799547A (en) | 2019-02-21 | 2019-02-21 | A kind of modeling method based on stratigraphic dip |
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| Publication Number | Publication Date |
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| CN109799547A true CN109799547A (en) | 2019-05-24 |
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| CN201910128984.4A Pending CN109799547A (en) | 2019-02-21 | 2019-02-21 | A kind of modeling method based on stratigraphic dip |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954991A (en) * | 2014-03-13 | 2014-07-30 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | Multi-attribute earthquake data inversion method and device |
| CN104950334A (en) * | 2015-06-16 | 2015-09-30 | 中国石油天然气集团公司 | Method and device for predicting reservoir distribution |
| CN106019368A (en) * | 2016-06-17 | 2016-10-12 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | Horizon model-based inclination calculation method |
| CN107288631A (en) * | 2017-08-08 | 2017-10-24 | 中海石油(中国)有限公司 | Prime stratum obliquity correcting method at a kind of well point |
-
2019
- 2019-02-21 CN CN201910128984.4A patent/CN109799547A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954991A (en) * | 2014-03-13 | 2014-07-30 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | Multi-attribute earthquake data inversion method and device |
| CN104950334A (en) * | 2015-06-16 | 2015-09-30 | 中国石油天然气集团公司 | Method and device for predicting reservoir distribution |
| CN106019368A (en) * | 2016-06-17 | 2016-10-12 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | Horizon model-based inclination calculation method |
| CN107288631A (en) * | 2017-08-08 | 2017-10-24 | 中海石油(中国)有限公司 | Prime stratum obliquity correcting method at a kind of well point |
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Application publication date: 20190524 |