Evaluation of gas content in organic-rich shale:A review of the history,current status,and future directions

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外文摘要：Shale gas is being hailed as the green energy of the future due to high heating value,low carbon emis-sions,and large reserves.Gas content of shale is a key parameter for evaluating the shale gas potential and screening for the shale gas sweet spots.Although the concept of gas content has been well defined,obtaining a reliable gas content data still remains a challenge.A significant barrier is the method for eval-uating the gas content.In this paper,we provide a review of the long-established and recently developed gas content evaluation methods.In the first part of this review article,the history of gas content evalu-ation methods is summarized since 1910s,relied on published and unpublished literatures as well as our own experiences.Then,the fundamental contents and concepts involved in gas content evaluation are introduced to provide a clear theoretical foundation for the methods.In the third part,eleven evaluation methods,including four direct methods and seven indirect methods,are systematically reviewed.In each method,its application to evaluating the gas content is presented,the key advances are highlighted,and the advantages and limitations are discussed.Finally,future directions are discussed to promote creative thinking across disciplines to develop new methods or improve current methods for evaluating the gas content more accurately and efficiently.

外文关键词：

Shale gasLost gasAdsorbed gasGas contentEvaluation methods

作者：

Haikuan Nie、Wei Dang、Qin Zhang、Jinchuan Zhang、Pei Li、Shaohua Zhang、Jianghui Ding、Qian Chen、Yubo Feng、Xin Zhang

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作者单位：

State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development,Beijing 102206,China

Petroleum Exploration and Production Research Institute,SINOPEC,Beijing 100083,China

School of Earth Sciences and Engineering,Xi'an Shiyou University,Xi'an 710065,China

Key Laboratory of Tight Oil and Gas Geology of National Petroleum and Chemical Industry,Xi'an Shiyou University,Xi'an 710065,China

PetroChina Research Institute of Petroleum Exploration and Development,Beijing 100083,China

School of Energy Resources,China University of Geosciences,Beijing 100083,China

National Elite Institute of Engineering,CNPC,Beijing 100096,China

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出版年：

2024

DOI：

10.1016/j.gsf.2024.101921

地学前缘(英文版)

中国地质大学（北京）北京大学

地学前缘(英文版)

CSTPCD

影响因子：0.576

ISSN：1674-9871

年,卷(期)：2024.15(6)