Five fine machining junction surface casing, mounting holes are set aside.

五个精机加工连接面箱体，预留安装孔。

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Prior to setting surface casing, the cellar also takes mud returns from the well, which are pumped back to the surface mud equipment.

在下入表层套管且注水泥之前，方井同样接受从井眼内返出的、必须被泵回到地表泥浆设备中的泥浆。

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This paper presents the design of surface casing drilling in Shengli Oilfield, as well as development of main tools and the field application in Well Kendong-341.

详细介绍了胜利油田表层套管钻井技术整体方案设计、主要工具的研制及在垦东341井的现场试验情况。

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As you can see, the device looks similar to the Surface RT, including the same "VaporMg" casing and built-in kickstand, and it also boasts a 10.6-inch display with a 16:9 aspect ratio.

ENGADGET: Microsoft confirms Surface with Windows 8 Pro pricing: starting at $899 for 64GB version, shipping in January