Forming and Distribution Regularity of the Structural-lithologic Composite Traps in the Shinan Steep Slope Zone, Bozhong Sag<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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Forming and Distribution Regularity of the Structural-lithologic Composite Traps in the Shinan Steep Slope Zone, Bozhong Sag

详细信息

责任者：Xu Changgui (Bohai Oilfield Exploration and Development Research Institute ; CNOOC ; Tianjin 300452 ; China) ; Zhou Xinhuai
刊名：Geoscience
出版年：2009
卷期：23(5)
关键词：复合圈闭 ; combination traps ; 渤中坳陷 ; Bozhong Depression
页码：p.887-893
图表：7 illus., 16 refs.
分类号：1003
issnNo：ISSN1000-8527
isbnNo：CN11-2035/P

摘要

The steep slope zone is an important structural belt for hydrocarbon exploration in half graben-like sag, and the structural-lithologic composite traps are developed in this zone. These traps are important prospecting areas. However, it is very complex in structure, sedimentary facies and control factors on distribution of the structural-lithologic composite traps in this zone. Taking Shinan steep slope of Bozhong sag as an example, this paper focuses on the genesis and distribution regularity of the structural-lithologic composite traps in the steep slope zone. There are four types of structural-lithologic composite traps developing in the Shinan steep slope zone, and they are updip punch-out trap, downdip punch-out trap, lateral punch-out trap and physical property sealing trap. The thinking of the structural-lithologic composite trap exploration should be built in the early exploration phase in the Shinan steep slope zone.

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