Reservoir Controlling Action and Through-Going Laws of Fengcheng Formation Fractures in Wuerhe Region
详细信息
- 责任者：Meng Xiangchao (Hangzhou Research Institute of Petroleum Geology ; PetroChina ; Hangzhou 310023 ; China) ; Ding Liangbo
- 刊名：Petroleum Geology & Oilfield Development in Daqing
- 出版年：2012
- 卷期：31(2)
- 关键词：裂缝性油气藏 ; fractured reservoir
- 页码：p.39-42
- 图表：2 illus., 12 refs.
- 分类号：1003
- issnNo：ISSN1000-3754
- isbnNo：CN23-1286/TQ
摘要
There are typical dual media features of both fracture and pore in Fengcheng Formation oil reservoirs of Wuerhe region, which are characterized by low porosity and low permeability; the contribution of matrix pores to the productivity is rather limited, the accumulation space and flow channel are mainly located in fractures. The overlapped part of the well-developed bedded tuff in deep lake-semi deep lake region becomes the communicating belt between the discharge fractures and tensional structural fractures. The above belt makes the biggest contribution to the productivity. The predicted achievements stated above have been fully verified by the oilfield drilling.
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