煤矿瓦斯大口径抽排井施工技术  

Techniques for Construction of Large-Diameter Gas Drainage Well

作　　者：袁志坚[1] 

机构地区：[1]河南省煤田地质局,河南450008

出　　处：《中国煤层气》2010年第3期27-30,共4页China Coalbed Methane

摘　　要：本文以丁集煤矿瓦斯抽排放井工程施工实例,介绍了大口径瓦斯抽排井钻孔结构设计依据、钻井工艺方法、设备机具配套、钻井技术参数、泥浆工艺、下管方法及固井工艺等,总结了其技术效果。The paper describes the criteria for design of the structure of large-diameter gas drainage boreholes,boring technology,matching of equipment and tools,well drilling technical parameters,mud technology,method for lowering pipes,cementation process,etc.by using gas drainage well construction project in Dingji coal mine as an example.It also summarizes the technical results of the project.

关 键 词：煤矿 瓦斯排放井 地层条件 技术要求 设备机具 钻井工艺 

分 类 号：TD712.6[矿业工程—矿井通风与安全]