Petrological and geochemical constraints on diagenesis and deep burial dissolution of the Ordovician carbonate reservoirs in the Tazhong area, Tarim Basin, NW China
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- 作者：Lianqi Jiaa ; Chunfang Caia ; b ; cai_cf@mail.iggcas.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Lei Jianga ; e ; Ke Zhangc ; Hongxia Lia ; d ; Wen Zhangc
- 关键词：Dolomite ; Fluid inclusion ; Thermochemical sulfate reduction (TSR) ; Porosity ; Deeply burial diagenesis ; Tazhong area
- 刊名：Marine and Petroleum Geology
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：78
- 期：Complete
- 页码：271-290
- 全文大小：7960 K
文摘
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Sour dolostone has much higher secondary porosity than sweet dolostone and limestone.
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Cements and veins with high HTs and oil inclusions show dissolution or replacement.
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TSR may have improved or redistributed porosity in dolostones.
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Deeply buried (>6500 m) anhydrite-bearing dolostone can be porous.
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