The Control Effect of the Effective Source-Reservoir Combinations to Gas Reservoir Formation in Xujiahe Formation, Sichuan Basin
详细信息
- 责任者：Wang Hongjun (Research Institute of Petroleum Exploration and Development ; Beijing 100083 ; China) ; Bian Congsheng
- 刊名：Natural Gas Geoscience
- 出版年：2011
- 卷期：22(1)
- 关键词：生储盖组合 ; source-reservoir-cap assemblage ; 气藏 ; gas reservoirs ; 四川盆地 ; Sichuan Basin
- 页码：p.38-46
- 图表：6 illus., 2 tables, 18 refs.
- 分类号：1003
- issnNo：ISSN1672-1926
- isbnNo：CN62-1177/TE
摘要
Xujiahe Formation in Sichuan Basin, developed three sets of mudstone source rocks and dense sandstone reservoirs, which are interbedded and distributed in a large area. By analyzing the known typical gas reservoirs, it is clearly that gas migration as well as accumulation occurred near its source rock, and the gas reservoirs′ distribution are greatly separated horizontally, which are controlled by the efficient source-reservoir combinations. Careful statistics research was carried out to the sand and mud combination distributed in the T3x3 source rock and T3x4 reservoir rock, and the efficient source-reservoir combinations not only develop between the T3x3 and T3x4, but also are inside the T3x3 and T3x4 itself.