Spescial Issues

A summary of shale gas development

  • QI Yadong ,
  • LIU Zhiyuan ,
  • QU Yunhua
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  • 1. PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, China;
    2. Editorial Department of Science & Technology Review, Beijing 100081, China;
    3. Downhole Operation Company, CNPC Chuanqing Drilling Engineering Company Ltd., Chengdu 610213, China

Received date: 2016-09-30

  Revised date: 2016-11-10

  Online published: 2016-12-28

Abstract

Being a unconventional resource, shale gas is usually generated and preserved in-situ, and its ultra-low permeability results in huge difficulty for commercial development. A typical shale gas production profile would start with high level initial production, followed by a sharp decline and a long-term of low level production. The global shale gas resource volume, the development technology and the significance of shale gas development are summarized, and the development status of shale gas industry in China is introduced as well. The shale gas geological resource of China is estimated as 134.42×1012 m3, and the technically recoverable resource is 25.08×1012 m3. Engineering experiences have proved that "horizontal well+volume fracturing+factory operation" is a successful and effective mode of shale gas development. China has so far preliminarily developed three marine shale gas reservoirs, i.e.,Changning-Weiyuan, Zhaotong and Fuling, and the total productivity is 97×1012 m3/a. The efficient development of shale gas will help China relieve the imbalance between energy supply and demand, adjust the energy consumption structure, strengthen the influence on international pricing power of natural gas, and boost regional economic development.

Cite this article

QI Yadong , LIU Zhiyuan , QU Yunhua . A summary of shale gas development[J]. Science & Technology Review, 2016 , 34(23) : 18 -27 . DOI: 10.3981/j.issn.1000-7857.2016.23.001

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