江汉盆地东部新下段层序地层格架与油气成藏

新疆石油地质 ›› 2005, Vol. 26 ›› Issue (2): 158-161.

江汉盆地东部新下段层序地层格架与油气成藏

胡涛, 陈素

中国石化江汉油田分公司勘探开发研究院，湖北潜江 433124

收稿日期:2004-07-01 出版日期:2005-04-01 发布日期:2020-08-24
作者简介:胡涛(1971-),男,湖北松滋人,博士,石油地质.(Tel)0728-6502145.

Relationship between the Sequence Stratigraphy Framework and Petroleum Accumulation in Lower Member of Xingouzui Formation, Eastern Jianghan Basin

HU Tao, CHEN Su

Research Institute of Exploration and Development, Jianghan Oilfield Company, Sinopec, Qianjiang, Hubei 433124, China

Received:2004-07-01 Online:2005-04-01 Published:2020-08-24

摘要/Abstract

摘要： 新沟嘴细下段是江iZ盆地东部的主要勘探目的层,主要由1个三级层序（SⅢ₁）组成。油气成藏地质要素和油气储量、成藏类型在层序地层格架中有一定的分布规律。炬源告在SⅢ₁,的湖侵体系城最发育,储是层主要分布于三级层序的低位体系域；SⅢ₁既有区域性盖层又有局部性盖层,垂向上构成4种生储盖组合类型。已探明的油气储量主要分布于SⅢ₁的低位体系域,其次分布于湖侵体系域。SⅢ₁各体系域因成藏条件的差异而具有不同的成藏类型。

关键词: 江汉盆地, 层序地层学：层序, 地层划分, 油气成藏

Abstract: The lower member of Xingouzui formation is the major exploration target stratum in eastem Jianghan basin, and mainly consists of one 3-order sequence (SⅢ₁). The pool -forming geological elements, reserves and reservoir types distribute in the sequence stratigraphic framework. Source rocks are found mostly in transgressive system tract (TST) of SⅢ₁, whilst sandstone reservoirs occurs in lowstand sys-tem tract (LST) of it. There are regional sealing and partial sealing in SⅢ₁, which vertically formed three types of source -reservoir cap rock combinations. The proved reserves pri marily distribute in the IST, secondly in the TST. Each system tract of SⅢ₁ has different pool-forming types for diferences in reservoir conditions

Key words: Jianghan basin, sequence stratigraphy, stratigraphic classification, hydrocarbon accumul ation

中图分类号:

TElll.3

胡涛, 陈素. 江汉盆地东部新下段层序地层格架与油气成藏[J]. 新疆石油地质, 2005, 26(2): 158-161.

HU Tao, CHEN Su. Relationship between the Sequence Stratigraphy Framework and Petroleum Accumulation in Lower Member of Xingouzui Formation, Eastern Jianghan Basin[J]. Xinjiang Petroleum Geology, 2005, 26(2): 158-161.

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