二连盆地阿尔凹陷腾一上段湖底扇沉积特征及油气地质意义

姚威; 吴冲龙

doi:10.11781/sysydz201506737

二连盆地阿尔凹陷腾一上段湖底扇沉积特征及油气地质意义

doi: 10.11781/sysydz201506737

姚威¹,
吴冲龙^2, ,

1.
中国石化石油勘探开发研究院, 北京 100083
2. 中国地质大学(武汉)计算机学院, 武汉 430074

基金项目: 中国石油华北油田科技攻关项目"二连探区阿尔凹陷地层层序及沉积相研究"(HBYT-2009-JS-23)资助。

详细信息

作者简介:
姚威(1986—),男,博士,从事沉积学及层序地层学研究。E-mail:yaowei5282@163.com

通讯作者:
吴冲龙(1945—),男,教授,博导,从事煤及石油天然气地质、地矿信息系统、数学地质等方面的教学和科研工作。E-mail:wucl@cug.edu.cn

中图分类号: TE121.3
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出版历程
- 收稿日期: 2014-11-10
- 修回日期: 2015-10-14
- 刊出日期: 2015-11-28

Sedimentary characteristics and petroleum geology of sublacustrine fan of the upper section of the first member of the Tenger Formation in the Aer Sag of the Erlian Basin

Yao Wei¹,
Wu Chonglong^{2
, ,}

1.
SINOPEC Petroleum Exploration and Production Research Institute, Beijing 100083, China
2. Department of Computer Sciences, China University of Geosciences, Wuhan, Hubei 430074, China

摘要

摘要: 综合运用岩心、粒度、测井、地震等资料,识别出二连盆地阿尔凹陷阿尔1井及周边下白垩统腾一上段含油段为湖底扇成因。该湖底扇沉积体以岩心中大量的负载构造、正粒序、块状层理、不完整鲍马序列为其识别标志,在测井曲线上表现为整体低电阻率、高伽马值背景下的指状突起,在地震剖面上则呈透镜状。在地震剖面上识别出了湖底扇中扇及外扇亚相,前者沟道化显著,而后者则不明显。经阿尔凹陷勘探证实,湖底扇中扇的块状砂岩,正粒序砂岩具有较好的物性,孔隙度平均达到16.6%,渗透率平均为282×10^-3 μm²。该湖底扇毗邻烃源岩,易形成岩性圈闭,油气运移和聚集条件优越,对油气勘探具有重要的意义。
- 湖底扇 /
- 沉积特征 /
- 腾格尔组 /
- 下白垩统 /
- 阿尔凹陷 /
- 二连盆地
Abstract: The upper section of the first member of the Lower Cretaceous Tenger Formation in well Aer1 and neighboring area in the Aer Sag of the Erlian Basin is an oil-bearing formation sourced from a sublacustrine fan according to core, grain size, logging and seismic data. This fan is marked by abundant load structures, normally graded bedding, massive bedding, and incomplete Bouma sequences. Well logs show finger shapes on a background of low resistance and high GR values. Seismic profiles are characterized by lenticular shapes. A middle fan with obvious channels and a lower fan without significant channels have been recognized on seismic profiles. Source rocks surround massive sandstones or normally graded sandstones in a sublacustrine fan, with relatively high porosity (average 16.6%) and permeability (average 282×10^-3μm²) can be regarded as favorable petroleum reservoir.
- sublacustrine fan /
- sedimentary characteristics /
- Tenger Formation /
- Lower Cretaceous /
- Aer Sag /
- Erlian Basin

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参考文献(20)

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二连盆地阿尔凹陷腾一上段湖底扇沉积特征及油气地质意义

doi: 10.11781/sysydz201506737

作者简介:
姚威(1986—),男,博士,从事沉积学及层序地层学研究。E-mail:yaowei5282@163.com

通讯作者:
吴冲龙(1945—),男,教授,博导,从事煤及石油天然气地质、地矿信息系统、数学地质等方面的教学和科研工作。E-mail:wucl@cug.edu.cn

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Sedimentary characteristics and petroleum geology of sublacustrine fan of the upper section of the first member of the Tenger Formation in the Aer Sag of the Erlian Basin

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留言板

二连盆地阿尔凹陷腾一上段湖底扇沉积特征及油气地质意义

doi: 10.11781/sysydz201506737

作者简介: 姚威(1986—),男,博士,从事沉积学及层序地层学研究。E-mail:yaowei5282@163.com

通讯作者: 吴冲龙(1945—),男,教授,博导,从事煤及石油天然气地质、地矿信息系统、数学地质等方面的教学和科研工作。E-mail:wucl@cug.edu.cn

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Sedimentary characteristics and petroleum geology of sublacustrine fan of the upper section of the first member of the Tenger Formation in the Aer Sag of the Erlian Basin

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出版历程

目录

作者简介:
姚威(1986—),男,博士,从事沉积学及层序地层学研究。E-mail:yaowei5282@163.com

通讯作者:
吴冲龙(1945—),男,教授,博导,从事煤及石油天然气地质、地矿信息系统、数学地质等方面的教学和科研工作。E-mail:wucl@cug.edu.cn