下: below; down; under; undernea ...钻具: drilling tool; drilling rig井下钻具: down-hole equipment起下钻具: make a trip水下钻具: subsea drilling equipment井下钻具组合: dha边冲边下钻具法: wash-down method短井下钻具组合: short hookup满眼井下钻具组合: packed assembly边冲循环泥浆边下钻具: wash-down短距离起下钻具;短程划眼: short trip下钻: going down; going in; rih: run in hole; run back into the hole; tripping为改变底部钻具组合而进行的起下钻作业: bha trips地下钻: underground drilling起下钻: make a trip; round trip擒下钻: escape wheel foot jewel电钻具: electrodrill甩钻具: break down钻具组: drill set地下钻机: drifter drill for underground地下钻井室: drill room地下钻探: subsurface boring短起下钻: short trip分段下钻: staging the pipe刮拭起下钻: wiper trip