油气藏评价与开发
油氣藏評價與開髮
유기장평개여개발
2014年
1期
79-80
,共2页
空气钻%旋转控制头%密封%煤层气
空氣鑽%鏇轉控製頭%密封%煤層氣
공기찬%선전공제두%밀봉%매층기
air drilling%swivel control head%seal%coallbed methane
针对煤层气空气钻井旋转控制头胶芯易损坏且需配置六方钻杆等缺点，研制了简易旋转控制头。现场应用表明，该装置可以使用原钻具和四方钻杆，密封件寿命较长，操作方便，可以提高效率，节约成本。
針對煤層氣空氣鑽井鏇轉控製頭膠芯易損壞且需配置六方鑽桿等缺點，研製瞭簡易鏇轉控製頭。現場應用錶明，該裝置可以使用原鑽具和四方鑽桿，密封件壽命較長，操作方便，可以提高效率，節約成本。
침대매층기공기찬정선전공제두효심역손배차수배치륙방찬간등결점，연제료간역선전공제두。현장응용표명，해장치가이사용원찬구화사방찬간，밀봉건수명교장，조작방편，가이제고효솔，절약성본。
Aiming at the shortcomings of the CBM air drilling that rubber core of swivel control head are easily damaged and hexag-onal kelly are needed to be equipped, simple swivel control head has been developed. Field application shows that this device can use the original drilling tools and quartet kelly, have longer seal life and operate easily. Using this device can promote efficiency and cost savings.
