墨西哥湾盆地深水区油气分布特征及勘探潜力

韩彧; 黄娟; 赵雯

doi:10.11781/sysydz201504473

墨西哥湾盆地深水区油气分布特征及勘探潜力

doi: 10.11781/sysydz201504473

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

基金项目: 中国石化集团国际石油勘探开发有限公司科研项目(SIPC-2013-01-001-E)资助。

详细信息

作者简介:
韩彧(1981-),女,工程师,从事油气地质信息工作。E-mail:hanyu.syky@sinopec.com。

中图分类号: TE121.1
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- 文章访问数: 1405
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- 被引次数: 0
出版历程
- 收稿日期: 2014-08-13
- 修回日期: 2015-06-02
- 刊出日期: 2015-07-28

Distribution features and exploration potential of oil and gas in a deepwater area of the Gulf of Mexico Basin

Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China

摘要

摘要: 通过分析墨西哥湾盆地油气资源勘探现状、油气地质特征,及与油气成藏密切相关的盐岩形成、演化和分布特征,进一步认识到墨西哥湾盆地上侏罗统牛津阶—第四系更新统发育了4套优质烃源岩和多套性能优越的储集层,封堵性能良好的局部和区域盖层遍布整个新生界层系,断层提供了运移通道,构造和地层圈闭发育,具有优越的生储盖等油气成藏条件。盆内中侏罗统发育一套广泛分布的厚层盐岩,很多大型油气藏均与该盐岩相关。盐上和盐下储层中均有可观的油气发现,随着油气勘探理论和技术的进步,盐下油气藏的潜力逐渐显现出来,勘探潜力很大。
- 盐岩成因 /
- 油气成藏 /
- 盐下油气藏 /
- 深水区 /
- 墨西哥湾盆地
Abstract: The hydrocarbon exploration conditions and geologic features of the Gulf of Mexico Basin were studied, and the formation, evolution and distribution of salt deposits which were closely related to the reservoirs were analyzed. From the Oxfordian Stage of the Upper Jurassic to the Pleistocene Series of the Quaternary, four sets of excellent hydrocarbon source rocks and various favorable reservoirs developed. Effective sealing formations were widespread in the Cenozoic. Faults provided pathways for hydrocarbon migration. Structural and stratigraphic traps were common. All these contributed to the generation and preservation of hydrocarbon. Thick salt deposits were widespread in the Middle Jurassic of the basin, which had a close relationship with giant oil and gas pools. Major discoveries have been made in both pre-salt and post-salt formations. As petroleum exploration theory and technique advanced, the pre-salt formations in the deepwater area of the basin attracted more attention and showed good potential.
- origin of salt /
- hydrocarbon accumulation /
- pre-salt reservoir /
- deepwater area /
- Gulf of Mexico Basin

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