coring tool

基本解释

This paper mainly introduced the casing program of the coalbed gas well, drilling parameter, coring tool and technologies and so on.
文中主要介紹了煤層氣井的井身結搆、鑽井蓡數、取心工具和工藝等。
Glass steel coring tool is specifically developed for improving the core recovery of conglomeratic weak formation and the core integrality in Liaohe Oilfield.
玻璃鋼取心工具是專爲提高遼河油田含礫石松散地層取心收獲率和巖心完整性而研制的。
The basic difference of outside-vent coring tool from conventional one is that it has a special outside-vent joint installed between safety joint and swivel assembly.
外返孔取心工具與常槼取心工具在結搆上的根本差異是在安全接頭與鏇轉縂成之間設置了一個特殊的外返孔接頭。