Window Opening
窗户洞口
窗开度
井下套管磨开孔
井架未加遮挡部分
井架大门
窗口
Window Opening and Sidetrack Drilling
Angle of the lateral opening
Directional lateral drilling
hanging lateral drilling
medium-radius lateral drilling
short radius lateral drilling
Subsalt Drilling Drilling fluid
window wide window level
lateral with extreme lateral type
decide different diamond drilling bits Drilling pressure
drilling fluid drilling
horizontal directional drilling horizontal directional drilling technology
oil based drilling horizontal drilling fluid
subsea mudlift drilling of deepwater drilling flui