Quantitative Evaluation for Control of Faults on Hydrocarbon Accumulation in Nanpu Sag
详细信息
- 责任者：Liu Zhe (College of Earth Sciences ; Northeast Petroleum University ; Daqing 163318 ; China) ; Fu Guang
- 刊名：Journal of China University of Petroleum
- 出版年：2013
- 卷期：37(1)
- 关键词：断裂 ; fractures ; 油气藏形成 ; reservoir formation ; 南堡凹陷 ; Nanpu Sag
- 页码：p.27-34
- 图表：illus., 2 tables, 15 refs.
- 分类号：1003
- issnNo：ISSN1673-5005
- isbnNo：CN37-1441/TE
摘要
Based on the analysis of faults characteristics of Nanpu sag,the relationship between hydrocarbon distribution and faults location and the control of faults on hydrocarbon accumulation were investigated.In addition,the control was comprehensively quantitatively studied by using fuzzy mathematics method and the fault traps drilling risk of No.2-east structure of Nanpu sag was evaluated.The results show that source faults types control the capacity of hydrocarbon injection into fault traps.Antiformal structure formed by the fault activity is a favorable site for hydrocarbon accumulation.Fault accommodation zone controls the development of high-quality reservoir.The extent of cap rock damaged by fault controls hydrocarbon distribution vertically.Fault lateral sealing ability controls the fault trap hydrocarbon accumulation extent.Two fault traps(T4-51N,T4-21N) in No.2-east structure of Nanpu sag have the minimal hydrocarbon drilling risk.
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