Coalbed methane (CBM) drilling and completion technologies (DCTs) are significant basis
for achieving efficient CBM exploration and exploitation. Characteristics of CBM reservoirs …

Abstract Compared with the United States, Australia, Canada, and other countries, China's
coalbed methane reservoir is featured by low formation pressure, low permeability, low gas …

较之于美国, 澳大利亚, 加拿大等国家, 中国的煤层气储层具有低地层压力, 低渗透率,
低含气饱和度及强非均质性等基本特征, 增加了储层改造的难度, 制约了煤层气单井产量与采收 …

In response to the complex geological conditions and physical characteristics of coal seams
in China, the horizontal drilling and completion technology has been continuously studied …

我国深部煤层气资源丰富, 目前已逐步进入勘探开发阶段, 但经济高效的煤层气井数量偏少.
钻井工程导向技术是制约煤层气水平井产能的首要因素: 一方面, 要求着陆井段轨迹平滑 …

由于多分支水平井是复杂结构井, 采用常规数值模拟方法和应用数学解析无法精准描述地下煤层
气的渗流规律, 为了更为直观地观察在复杂条件下煤层气的流动情况, 基于多孔介质学理论 …

保德煤层气田北部优质煤层气藏开发受到城市, 黄河压覆等地面复杂情况影响,
为了实现有效动用, 分析了该地区煤层的地质特点, 考虑煤层倾角, 垂深和常规钻井工艺等因素 …

China is rich in deep coalbed methane (CBM) resource, which has gradually entered the
stage of exploration and development. However, the number of cost-effective CBM wells is …

为了研究高压电脉冲水压对煤体产生裂缝的作用效果, 制作了力学特征接近真实煤层的煤样试件
, 试验前首先在原煤试件中钻取煤样, 利用CT 进行扫描观察原煤试件中的裂缝分布情况 …