[地质 油气] Drilling
文章详细信息 关键词: 径向水平井;钻进;射流;破岩 [gap=532]Keywords: horizontal wells;drillings;jet;breaking rocks
chisel in
... chirurgery 外科 chisel in 钻进 chisel 凿子 ...
boring
... borer钻工 boride硼化物 boring钻进 ...
directed driling ; controlled drilling ; controlled angle drilling
cable drilling ; rope boring ; cable tool drilling ; churn drilling
油气 drilling rate ; bit speed ; drilling speed
钻探,工程中利用钻头在孔(井)底工作,破碎岩石或其他介质,形成并加深钻孔的作业。