Fluid-rock interaction and dissolution of feldspar in the Upper Triassic Xujiahe tight sandstone, western Sichuan Basin, China

Secondary porosity in the Upper Triassic Xujiahe tight sandstone of the western Sichuan Basin is mainly the product of feldspar dissolution. In the Xu-4 Member, the upper reservoir of the Xujiahe Formation, feldspars are dissolved to a significant extent and observations indicate that nearly all fel...

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Bibliographic Details
Main Authors: Liu Sibing, Chen Anqing, Shen Zhongmin, Lv Zhengxiang, Zhang Xiaoxing
Format: Article
Published: De Gruyter 2018-06-01
Series:Open Geosciences
Online Access:https://doi.org/10.1515/geo-2018-0018