中国煤层气增产技术

Stimulation technology of China's Coal-bed Methane

文章介绍了煤层气的定义、解吸特性、开采现状、增产措施实施的必要性、国外煤层气增产技术发展现状以及我国煤层气开发的特点,分析了国内煤层气主要增产技术:压裂技术、多元气体驱替技术和多分支井技术的机理、使用的范围以及它们各自的优缺点,结合现场实例阐述了以上三种技术在我国的应用现状,并指出了它们存在的问题,展望了煤层气增产技术的发展趋势。

This article begins with the definition,desorption character,current exploitation situation,necessity of stimulation method,then it introduces the current current exploitation situation abroad and the exploiting characteristic in China and then it analyses the theory,applied range,advantages and disadvatages of main stimulation technologies used in China,inculding fracturing,gas displacement,multi-branched well,explains the applied situation of these 3 technologies in our country combining the field case,an...