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

Abstract:

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.