套管磨铣
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Well casing window mill 发明名称
casing window designs 开窗设计
casing window technique 套管开窗技术
casing window sidetracking 套管开窗侧钻
casing window sidetracking tool 开窗工具
milled window in casing 套管磨出孔
window casing [建] 窗框压条 ; 窗线脚
starting window on casing 套管开窗
casing cutting window 套管开窗
Washing casing window is widely applied in the old oil etc.
套管侧钻开窗广泛应用于老油田改造等。
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Casing window sidetracking drilling can resume old well productivity, gain a remarkable economic benefit.
在停产的老井井眼中进行套管开窗侧钻，可恢复老井产能，取得显著的经济效益。
Window casing in dorm room.
宿舍内包窗套。
The other process, still in use, is to cut a window in an old well's steel casing and then drill horizontally into the oil zone.
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