收稿日期: 2011-12-24
修回日期: 2012-02-10
网络出版日期: 2012-06-10
Major Controlling Factors of Cambrian Qingxudong Formation High-qualityReservoir in Downwarp-fold Belt of Southeast Sichuan Basin
Received date: 2011-12-24
Revised date: 2012-02-10
Online published: 2012-06-10
黄亮 . 川东南坳褶带清虚洞组优质储层发育主控因素分析[J]. 天然气地球科学, 2012 , 23(3) : 508 -513 . DOI: 10.11764/j.issn.1672-1926.2012.03.508
Three major controlling factors of Cambrian Qingxudong Formation carbonate reservoir formation in the downwarp-fold belt in southeast Sichuan basin are high-energy shoal, dolomitization and burial dissolution.The high-energy shoal is conducive to preservation of primary porosity and reformation of early dissolution.The dolomitization reforms the reservoir space for hydrocarbon accumulation and provides the space for fluid activity.The burial dissolution creates the reservoir space and improves filtration channel.Three factors are associated and indispensable to form the high quality granular dolomite reservoir in Cambrian Qingxudong Formation.
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