峨眉地裂运动和四川盆地天然气勘探实践

摘要/Abstract

摘要： 峨眉地裂运动的提出和研究已延续 20 多年,该运动不仅发生在中国西南川滇黔地区,而且扩展到华南板块南方诸省及其外围的广大地区。用峨眉地裂运动观点,在 20 世纪 80 年代初首次提出在四川盆地寻找上二叠统生物礁块气藏的建议,为其后发现开江—梁平海槽起到了指引作用,为 2002 年发现普光构造–岩性大气田提供了依据,更为2005 年钻探园坝大气田提供了建议。峨眉地裂运动和峨眉山玄武岩的研究,为二叠系、三叠系白云岩储集层、构造热液白云岩和玄武岩淋滤白云岩形成机理的研究提供了必要的条件。据华南板块构造发生地裂运动预测,在川西的绵竹—中江一带可能找到另一个有利天然气聚集的拗拉槽,应予充分重视。建议继续加强广旺—开江—梁平拗拉槽的研究和勘探;在塔里木盆地的勘探工作中应重视地裂运动的研究,借鉴普光大气田勘探经验,争取发现更多的油气资源。

关键词: 峨眉地裂运动, 四川盆地, 拗拉槽, 生物礁滩, 白云岩储集层

Abstract: It has been more than twenty years to study of Emei taphrogenesis since it was suggested. Emei taphrogenesis not only occurs in Sichuan-Yunnan-Guizhou areas in southwestern China, but also extends into the southern provinces (the South China plate) and surrounding areas. It was first suggested that the Upper Permian reef gas reservoirs should be put attention to in early 1980s, which played an instructive role in discovery of the Kaijiang-Liangping trough, could be as guides for finding out Puguang structural- lithologic gas field in 2002 and for exploration of Yuanba gas field in 2005. In addition, the researches on the Emei taphrogenesis and the Emei basalt benefits the study of the Permian and Triassic dolomite reservoirs and offers the necessary conditions for the formation mechanisms of the tectonic hydrothermal dolomite and basalt-leaching dolomite. It is predicted from the characteristic the taphrogenesis in the South China plate that the aulacogen may be another favorable area for gas accumulation in Mianzhu-Zhongjiang in western Sichuan, which should be paid great attention to. It is recommended that the research and prospecting of Guangwang-Kaijiang-Liangping aulacogen should be continuously strengthened, and hopeful of paying attention to the research of the taphrogenesis in progress of exploration of Tarim basin, and drawing on the experience of Puguang giant gas field exploration, in order to discover more and more petroleum resources.

Key words: Emei Taphrogenesis, Sichuan basin, Aulacogen, reef flat, dolomite reservoir

中图分类号:

TE111.2

罗志立. 峨眉地裂运动和四川盆地天然气勘探实践[J]. 新疆石油地质, 2009, 30(4): 419-424.

LUO Zhi-li. Emei Taphrogenesis and Natural Gas Prospecting Practices in Sichuan Basin[J]. Xinjiang Petroleum Geology, 2009, 30(4): 419-424.

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