A one-way milling teeth run in circle while cutting the cement column,so the drilling plug operation can be completed.
新型套铣钻头在钻塞时钻头旋转,使套铣头旋入灰塞边缘后形成灰柱,单向铣牙做圆周运动切削灰柱,实现钻塞。
it is concluded that the technology of using two times of string to do it has much advantages,during drilling plug,are having less cement scraps and being reverse circulated making big drilling scraps to full down for their weights that provides a new solution to sweep cement dangling plug testing in big cased well for the future.
47mm套管内应用两次管柱扫水泥悬空塞的工艺技术优势,即应用钻塞管柱钻塞时,水泥钻屑量少,且可反循环洗井,大块钻屑可靠自重沉降,为今后大套管试油井扫水泥悬空塞提供了新的解决方案。
The oil layer reformation measure is frequent when the development of a field enters the mid-and-late part stage,meets drilling plug construction frequently.
油田开采进入中后期,油层改造措施频繁,经常遇到钻塞施工。
A corkscrew is a tool for opening bottles.
开塞钻是用来开瓶子的工具。
It is something like a corkscrew, and draws the earth out in very small quantities."
这种钻有点像拔瓶塞的开塞钻，它把泥土很小量地逐次吸出。”
A corkscrew is a tool for taking corks out of bottles.
开塞钻是一种用来取出瓶子软木塞的工具。
In each casing will be a flight auger or corkscrew-like instrument which will draw back the material.
在每根套管中有一个像开塞钻的飞行螺钻，它将把物质吸出来。
Each rung is a letter in a chemical alphabet limited to just four symbols.
其形状为一个双螺旋，象是一个长梯子被拧成了开塞钻似的。
Development of Special Drilling and Milling Machine for Piston Compressor
压缩机活塞加工钻铣专用机床研究与开发
a corkscrew,ie for taking corks out of bottles
瓶塞钻（拔软木瓶塞用的）.
8.6 The company has decided to plug the well for side tracking.
公司决定：打水泥塞侧钻。
To make a hole in or through, with or as if with a drill.
钻，凿，开洞用或似用钻打洞或钻孔
But he needed money, so the lucrative diamond mines in neighbouring Sierra Leone beckoned.
然而他却需要钱，于是他便开始对邻国塞拉利昂的钻石矿打起了如意算盘。
5.10 Drill cement with seawater and then displace the new mud into the hole as drilling out of the casing shoe.
用海水钻水泥塞，钻到套管鞋时替入泥浆。
drilling machine, mining or quarrying, not self-propelled
开矿或采石用钻机,非自动钻机
The Optimal Design About the Trajectory of Non dig Guided Boring
非开挖导向钻进钻孔轨迹的优化设计
You plan to start tunneling?
你也打算开始钻洞吗？
bolt or cotter-pin drill
螺栓或开尾销孔钻头
grout hole drilling
钻开注有堵漏水泥的井
The oil rig is now fully operative.
石油钻塔现全面开工.
He broached a barrel of cider.
他钻孔开了一桶苹果酒。
