基于多元统计方法的油气成藏关键因素筛选与分析——以江陵凹陷新沟嘴组岩性油藏为例

彭伟; 黄华; 杜学斌; 张成; 何云龙; 李宸; 赵珂; 杨盼

doi:10.11781/sysydz201902295

基于多元统计方法的油气成藏关键因素筛选与分析——以江陵凹陷新沟嘴组岩性油藏为例

doi: 10.11781/sysydz201902295

彭伟¹,
黄华¹,
杜学斌^2,3,
张成^2,3,
何云龙^2,3,
李宸^2,3,
赵珂^2,3,
杨盼^2,3

1. 中国石化江汉油田分公司勘探开发研究院, 武汉 430223;
2. 中国地质大学(武汉) 海洋学院, 武汉 430074;
3. 中国地质大学(武汉) 构造与油气资源教育部重点实验室, 武汉 430074

基金项目:

国家科技重大专项（2016ZX05027-001）、国家重点基础研究发展计划（973计划）项目（2014CB239102）、中国石油化工股份有限公司重大专项攻关课题（2DP17009）和中国石油化工股份有限公司项目（P15120）联合资助。

详细信息

作者简介:
彭伟(1984-),男,硕士研究生,工程师,能源地质工程专业。E-mail:pwandwh@163.com。

中图分类号: TE122.3
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出版历程
- 收稿日期: 2018-10-25
- 修回日期: 2019-02-21
- 刊出日期: 2019-03-28

Analysis of main controls of stratigraphic reservoirs in Xingouzui Formation of Jiangling Sag based on a multivariate statistical method

PENG Wei¹,
HUANG Hua¹,
DU Xuebin^2,3,
ZHANG Cheng^2,3,
HE Yunlong^2,3,
LI Chen^2,3,
ZHAO Ke^2,3,
YANG Pan^2,3

1. Exploration and Development Research Institute, Jianghan Oilfield Company, SINOPEC, Wuhan, Hubei 430074, China;
2. School of Oceanology, China University of Geosciences(Wuhan), Wuhan, Hubei 430074, China;
3. Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, Wuhan, Hubei 430074, China

摘要

摘要: 岩性油藏是江汉盆地江陵凹陷未来油气勘探的重要领域，但其成藏控制因素尚未进行系统研究。基于多元统计方法开展了岩性油藏成藏控制因素筛选分析，提出储层条件是江陵凹陷古近系新沟嘴组岩性油藏成藏的关键因素。江陵凹陷新沟嘴组沉积期处于咸化湖盆沉积环境，硬石膏胶结物含量对新沟嘴组岩性油藏砂岩储层致密化起到主要控制作用。其中，硬石膏胶结物含量达7.5%是储层物性的临界值，当含量小于7.5%时物性好，当含量大于7.5%时储层物性变差明显，测井解释偏干。可利用古水深与硬石膏含量的关系，划分有利储层的分布。
- 多元统计 /
- 岩性油藏 /
- 油气成藏 /
- 新沟嘴组 /
- 古近系 /
- 江陵凹陷 /
- 江汉盆地
Abstract: Stratigraphic reservoirs are important areas for future oil and gas exploration in the Jiangling Sag of Jianghan Basin, but their hydrocarbon accumulation controls have not been systematically studied. Based on a multivariate statistical method, some key controls of stratigraphic reservoir formation were analyzed. It was proposed that reservoir conditions were the key factors for reservoir formation in stratigraphic reservoirs in the Paleogene Xingouzui Formation in the Jiangling Sag. When the Xingouzui Formation was deposited, the Jiangling Sag was a salt lake basin. The anhydrite cement content played a major role in controlling sandstone densification in stratigraphic reservoirs in the Xingouzui Formation. The anhydrite cement content of 7.5% is a critical value of reservoir physical properties. When the content is less than 7.5%, the physical properties are good. When the content is more than 7.5%, the reservoir physical properties are obviously deteriorated, and the logging interpretation indicates no petroleum resource. The relationship between paleo water depth and anhydrite content can be used to classify the distribution of favorable reservoirs.
- multivariate statistics /
- stratigraphic reservoir /
- hydrocarbon accumulation /
- Xingouzui Formation, Paleogene /
- Jiangling Sag /
- Jianghan Basin /

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