中国海陆交互相页岩气研究现状与展望

郭少斌; 付娟娟; 高丹; 李贺洋; 黄家国

doi:10.11781/sysydz201505535

中国海陆交互相页岩气研究现状与展望

doi: 10.11781/sysydz201505535

中国地质大学(北京) 能源学院, 北京 100083

基金项目: 国土资源部2012年度"全国油气资源战略选区调查与评价"专项(2009QYXQ15-07-05)和中国地质调查局"沁水盆地及周缘页岩气资源调查评价"专项(2014-258)部分成果资助。

详细信息

作者简介:
郭少斌(1962—),男,教授,博士生导师,从事层序地层、储层预测与评价、油气资源预测与评价等工作。E-mail:guosb58@126.com。

中图分类号: TE132.2
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出版历程
- 收稿日期: 2015-07-01
- 修回日期: 2015-08-20
- 刊出日期: 2015-09-28

Research status and prospects for marine-continental shale gases in China

School of Energy Resources, China University of Geosciences, Beijing 100083, China

摘要

摘要: 国内外对于海陆交互相页岩气的勘探开发与研究工作尚处于起步阶段。海陆交互相富有机质泥页岩在中国主要分布在北方鄂尔多斯盆地、沁水盆地、南华北盆地的石炭—二叠系本溪、太原和山西组地层中,以及南方四川盆地西南部、贵州西部和湘中—湘南坳陷的二叠系龙潭组地层中。该文总结了中国海陆交互相页岩气研究的成果,认为中国海陆交互相泥页岩干酪根类型以Ⅱ-Ⅲ型为主,除南华北盆地南部和东部外,有机质成熟度普遍较高,一般大于1.5%,处于高成熟—过成熟阶段。海陆交互相泥页岩地层岩相变化快,单层厚度薄,常与煤和致密砂岩甚至灰岩互层,单独开发这套薄层煤系页岩气在开发成本和技术上将面临很大的挑战,进行页岩气、致密气、煤层气等多目的层联合开发将是有效的新途径。
- 海陆交互相 /
- 研究现状 /
- 页岩气 /
- 中国
Abstract: Shale gas has become one of the hot spots of unconventional natural gas exploration.At present, domestic and overseas research for shale gases is carried out mostly on marine formations;however, research for marine-continental shale gases is still at the initial stage.In China, marine-continental shales rich in organic matter are mainly distributed in the Benxi, Taiyuan and Shanxi formations of Carboniferous and Permian age in the Ordos, Qinshui and southern North China basins in the north, and the Longtan Formation of Permian age in the southwestern Sichuan Basin, the western Guizhou province, and the central Hunan and southern Hunan depressions in the south.This paper summarizes present research results for marine-continental shale gases in China, and shows that the kerogen types of marine-continental shales are mainly II and III.Except for the south and east of the southern North China Basin, organic matter maturity is generally high, commonly greater than 1.5 %Ro and is in the high mature and over-mature stages.The lithofacies of marine-continental shales change rapidly and the thickness of a single layer is typically thin, often interbedded with coals, tight sandstones, and even limestones.As a result, separately developing shale gases from such thin layers will face a great challenge in development costs and technology.The joint development of shale gases, tight gases and coal bed gases from multiple target layers will be an effective new strategy.
- marine-continental facies /
- research status /
- shale gas /
- China

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