煤层气

我国高低煤阶煤层气成藏的差异性

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  • (1.中国石油勘探开发科学研究院廊 坊分院,河北 廊坊 065007;2.中国石油勘探开发科学研究院,北京 100083)
赵群(1979-),男,辽宁丹东人,硕士学位,主要从事煤层气的勘探开发研究.

收稿日期: 2006-08-14

  修回日期: 2006-11-20

  网络出版日期: 2008-06-20

基金资助

国家“973”规划项目“煤层气成藏机制及经济开采基础研究”(编号:2002CB211705) 资助.

FORMING DIFFERENCES BETWEEN HIGH AND LOW COAL RANK COALBED METHANE RESERVOIRS

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  • (Langfang Branch, Research Institute of Petroleum Exploration and Dev elopment, PetroChina, Langfang 065007, China)

Received date: 2006-08-14

  Revised date: 2006-11-20

  Online published: 2008-06-20

摘要

从煤层气成藏的气源条件、煤层的储集能力、煤层的物性、煤层的水文地质条件和成藏过程等方面,分析了高煤阶煤层气和低煤阶煤层气成藏的差异性。在分析过程中考虑了构造热事件对高煤阶煤层气藏物性的改造作用和生物气、游离气在低煤阶煤层气成藏过程中的作用。最后,在分析煤层气成藏差异性的基础上,得出了高低煤阶煤层气藏的优点和缺点,指出中国高煤阶煤层气和低煤阶煤层气均有开采价值。

本文引用格式

赵 群,王红岩,李景明,宋 岩,刘洪林,李贵中,王 勃 . 我国高低煤阶煤层气成藏的差异性[J]. 天然气地球科学, 2007 , 18(1) : 129 -133 . DOI: 10.11764/j.issn.1672-1926.2007.01.129

Abstract

The differences between high and low coal rank reservoirs are analyzed from suchaspects as the conditions of the coalbed methane's fountain, the coalbed adsorption capacity, the hydrogeologic and physical property of coal beds, and the reservoir forming process. The analysis considered the improvement of the coalbed physical property by heat in structural movements in high coal rank reservoirs and the important role of biogas and free gas in low rank CBM reservoirs. The disadvantages and advantages of the two kinds of reservoirs have been given.

参考文献

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