贵州保田-青山煤层气参数井钻井工艺技术

Drilling Techniques of Coal-bed Methane Parameter Well in Baotian-Qingshan area of Guizhou

以贵州保田-青山煤层气参数井工程为实例,介绍了绳索取心工艺在该区的应用情况,并针对地层复杂、孔壁不稳定、粉煤取心困难等工程难点,提出相应的工艺技术。

The application instance of wireline coring technique was introduced with the project case of coal-bed methane parameter well in Baotian - Qingshan area of Guizhou, the drilling techniques were brought forward in accordance with complex formation, unstable borehole wall, being hard to core in coal powder.