北部湾盆地涠西地区W4井油气成藏主控因素分析

梁世友; 倪春华; 曾广东; 周小进; 陈剑新

doi:10.11781/sysydz201703327

北部湾盆地涠西地区W4井油气成藏主控因素分析

doi: 10.11781/sysydz201703327

1.
油气藏地质及开发工程国家重点实验室(成都理工大学), 成都 610059
2. 中国石化石油勘探开发研究院无锡石油地质研究所, 江苏无锡 214126
3. 中国石化上海海洋油气分公司, 上海 200120

基金项目: 中国石油股份公司科技重大专项（2012E330）和中国石油第四次油气资源评价（2013E-050209）资助。

详细信息

作者简介:
梁世友(1970-),男,在读博士,高级工程师,从事油气地质综合研究与油气资源评价。E-mail:wxlshy.syky@sinopec.com。

中图分类号: TE122.3
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- 被引次数: 0
出版历程
- 收稿日期: 2016-11-03
- 修回日期: 2017-03-20
- 刊出日期: 2017-05-28

Controlling factors for oil & gas accumulation in well W4, Weixi area, Beibuwan Basin

1.
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, Sichuan 610059, China
2. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China
3. Shanghai Offshore Oil & Gas Company, SINOPEC, Shanghai 200120, China

摘要

摘要: 北部湾盆地涠西地区于W4井渐新统涠洲组三段获高产工业油气流，实现了北部湾盆地新区油气勘探突破。通过对W4井古近系原油及相关钻井岩心样品实验测试结果的研究，结合区内勘探新资料与邻区原油测试成果，重点开展了油源对比与成藏主控因素分析。研究认为，涠西地区W4井涠洲组三段油气藏属于断块型油气藏，其原油来自于母质类型较好的流沙港组成熟烃源岩，油气成藏受控于断层侧向封堵与盖层条件2个关键因素。
- 油-源对比 /
- 成藏主控因素 /
- 古近系 /
- 涠西地区 /
- 北部湾盆地
Abstract: Recently, SINOPEC obtained high-yield industrial oil and gas flows in the third member of the Oligocene Weizhou Formation in well W4 in Weixi area of the Beibuwan Basin, and achieved a breakthrough in oil and gas exploration in the New Area of the Beibuwan Basin. An oil-source correlation was made and the major factors control-ling oil and gas accumulation were studied based on the test results of crude oil and related drill core samples from well W4 in the Paleogene, combined with new exploration data from the study area and crude oil test results from the adjacent areas. The third member of Weizhou Formation in well W4 is a fault block type oil and gas reservoir, and the crude oil of which came from the mature hydrocarbon source rock of the Liushagang Formation. Hydrocarbon accumulation was controlled by two key factors including the lateral sealing characteristics of faults and cap rock conditions.
- oil-source correlation /
- major factors of accumulation /
- Paleogene /
- Weixi area /
- Beibuwan Basin

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