中国煤层气
中國煤層氣
중국매층기
CHINA COALBED METHANE
2012年
2期
22-24
,共3页
地面钻井%连接装置%故障处理%改进
地麵鑽井%連接裝置%故障處理%改進
지면찬정%련접장치%고장처리%개진
Surface gob well%wellhead equipment%trouble- shooting%improvement
本文针对地面垂直采空区抽采钻井井口连接装置初期设计不合理采动后易出现损坏现象,介绍了两种处理方法,同时提出了厚薄煤层两种钻井井口连接装置改进方式。
本文針對地麵垂直採空區抽採鑽井井口連接裝置初期設計不閤理採動後易齣現損壞現象,介紹瞭兩種處理方法,同時提齣瞭厚薄煤層兩種鑽井井口連接裝置改進方式。
본문침대지면수직채공구추채찬정정구련접장치초기설계불합리채동후역출현손배현상,개소료량충처리방법,동시제출료후박매층량충찬정정구련접장치개진방식。
In view of the irrational design of wellhead in the early stage for surface gob well, which can be easily damaged after coal extraction, the paper introduces two handling methods. At the same time, two im- proved wellheads for both thick and thin coal seams are proposed.