Fine Description and Adjustment of Shaxi N1-N21 Complex Fault-Block Oil Reservoir
详细信息
- 责任者：Yin Taiju (College of Geosciences ; Yangtze University ; Jingzhou 434023 ; China) ; Yu Chen
- 刊名：Fault-Block Oil and Gas Fields
- 出版年：2011
- 卷期：18(3)
- 关键词：复杂油气藏 ; complex reservoir ; 断块油气藏 ; fault block reservoir
- 页码：p.352-356
- 图表：illus., 1 table, 12 refs.
- 分类号：1003
- issnNo：ISSN1005-8907
- isbnNo：CN41-1219/TE
摘要
Complex fault-block oil reservoirs are very common in China and they play a very important role in the petroleum production.It is very difficult for this kind of reservoir to develop because of its complex oil and water distribution.In order to get a good adjustment method,Shaxi N1-N21 complex fault-block oil reservoirs in Qaidam Basin were studied.A series of thoughtways focusing on the faults were developed for the fault-block oil reservoirs.Reservoir tectonics were characterized through the structural stress analysis and detailed structure mapping,oil-bearing sand bodies distribution were predicted and evaluated based on the facies analysis and fault block analysis.The adjustment methods were discussed to increase the exploitation degree and improve the injection-production relationship,especially for the main layers.A good foundation was provided for the reservoir development and the direction of improving the oil recovery was made clear.
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