论坛与综述

页岩气勘探和开发进展综述

  • 王兴龙 ,
  • 邓宏文 ,
  • 穆贵鹏 ,
  • 张正友 ,
  • 魏琳
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  • 兰州大学甘肃省西部矿产资源重点实验室,甘肃兰州730000
张小龙(1988-),男,兰州大学在读博士研究生,研究方向为油气有机地球化学。 地址:(730000)甘肃省兰州市城关区天水南路222 号兰州大学齐云楼 1913 室。 E-mail:zhangxl112@lzu.edu.cn

网络出版日期: 2013-04-20

基金资助

国家重点基础研究发展计划(973)项目“页岩气形成与含气性的影响因素研究”(编号:2012CB214701)、国家自然科学基金项目 “页岩气藏天然气赋存方式、储存空间和保存条件的地球化学研究”(编号:41072092)以及兰州大学中央高校基本科研业务费专 项资金(编号:lzujbky-2010-180)联合资助。

Research advance in exploration and development of shale gas

  • WANG Xinglong ,
  • DENG Hongwen ,
  • MU Guipeng ,
  • ZHANG Zhengyou ,
  • WEI Lin
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  • Key Laboratory of Mineral Resources in Western China of Gansu Province, Lanzhou University, Lanzhou 730000, China

Online published: 2013-04-20

摘要

页岩气是指以吸附或游离状态聚集在暗色泥页岩或高碳泥页岩中的一种非常规天然气,储集空间为有机质孔隙及矿物基质孔隙和裂缝,其来源有生物成因和热解成因 2 种,具有典型的自生自储特征。页岩气孔隙度(<10%)和渗透率(μD~nD)较低,需通过压裂(一般为水力压裂)来增强连通性,进而获得经济开发。页岩气在美国的成功开发展示了页岩气是基础地质和石油工程高度结合的典范。页岩气勘探程度低,技术不成熟,页岩气藏主控因素不清楚,成藏理论或模式有待深入研究,是当前我国页岩气发展面临的主要问题。

本文引用格式

王兴龙 , 邓宏文 , 穆贵鹏 , 张正友 , 魏琳 . 页岩气勘探和开发进展综述[J]. 岩性油气藏, 2013 , 25(2) : 116 -122 . DOI: 10.3969/j.issn.1673-8926.2013.02.021

Abstract

Shale gas is one of unconventional gas resources and stores in organic rich shales and mudstones as free gas and absorbed gas in pores developed in organic matter and mineral matrix. Shale gas accumulation is considered as a cumulative gas charging within organic rich shales, and the organic rich shales serve as gas source, reservoir and seals. The gas origin in shale gas reservoirs could be thermogenic, biogenic or the mixing of both. The feature of low porosity (<10%) and low permeability (μD~nD) in shales requires hydraulic fracturing to enhance pore connectivity for achieving commercial gas production. A success of shale gas development in the United States is a typical model of comprehensive integrating between shale gas geological characterization and petroleum engineering technologies. Shale gas exploration in China is in its early stage but shows a great resource potential. The low-level shale gas survey, immature technologies for shale gas development, unclear understanding of main controlling factors of shale gas reservoirs, the lack of the theory and model of shale gas accumulation are challenging issues for shale gas success in China.

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