起: rise; get up; stand up下: below; down; under; undernea ...钻: drill; auger作业: school assignment强行起下钻作业: snubbing service; stripping-in operations为更换钻头而进行起下钻作业: bit trips为改变底部钻具组合而进行的起下钻作业: bha trips起下钻: make a trip; round trip短起下钻: short trip刮拭起下钻: wiper trip划眼起下钻: wiper trip扩眼起下钻: reaming trip起下钻方式: trimode起下钻杆: pulling and running the drill pipe起下钻具: make a trip起下钻脉冲: tripping pulse起下钻气: trigas起下钻气量: tg起下钻时间: time on trips起下钻显示: trishow起下钻阻卡: blockage during tri ing; blockage during tripping一次起下钻: round trip划眼起下钻;通井;刮拭起下钻: wiper trip控制起下钻气: control trigas起下钻防护仪: triguard instrument