Study on the distribution of extractable organic matter in pores of lacustrine shale: An example of Zhangjiatan Shale from the Upper Triassic Yanchang Formation, Ordos Basin, China
Yuxi Yu, Xiaorong Luo, Ming Cheng, Yuhong Lei, Xiangzeng Wang, Lixia Zhang, Chengfu Jiang & Likuan Zhang
Interpretation: SEG 5 (2):SF109-SF126 (2017)
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Understanding the structure of the pore throat is an important task for tight reservoir development. The common methods of studying the pore-throat structure include pressure-controlled mercury injection, rate-controlled mercury injection, X-ray computer tomography, and scanning electron microscopy. We have used those four methods to understand the pore-throat structures of three main lithologies in the Lucaogou Formation, Jimsar Sag, China. The PMI results revealed that the pore-throat size of all of the lithologies ranges from 0.013 to [Formula: see text]. The RMI (...)