surface casing

The complex surface active agents with success applied in chemical cleaning of dowthem scales in heating casing of ball valve in PTA plant was presented.

采用复合表面活性剂对PTA装置球阀加热夹套热媒垢成功地进行了化学清洗。

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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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The paper introduced how to solve surface leakage of excavated pile with double protective casing and the better results have been achieved.

本文介绍采用双护筒解决挖孔桩地表水渗漏问题，取得了较好的效果。

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The authors have discussed the fundamental process of surface CASING modification. The authors have also solved the Clark equation and gotten surface process rate constants, bulk process rate constants and surface activation depth.

解Clark方程得出表面过程速率常数、体相过程速率常数以及CASING表面反应深度。

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The results show that the non-uniform flow wake induced by secondary motion and vortex always appear in the corner region of casing wall and pressure surface;

研究结果表明：二次流和涡运动导致叶道出口流动尾迹发生于外端壁/压力面角域；

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According to the fact of offshore surface casing cementing operations, a dynamic response has been designed for on site operation conditions and the design parameters that should be adopted for permissible safe stress and safe allowance have been obtained.

结合海上表层固井作业的实际情况，进行了现场作业条件下的动力响应设计，得到了在安全许用应力及安全余量条件下应该采用的设计参数。

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Analysis of smallpox formation mechanism on surface of computer casing

计算机机壳表面爆痘机理分析

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Analysis on lateral load-bearing capacity of conductor and surface casing for deepwater drilling A Method of Safe Mud Density Window and Casing Program Determination with Credibility

深水钻井导管和表层套管横向承载能力分析含可信度的钻井液密度窗口及套管层次和下深确定方法

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Fill up with mud every 5 joints of casing when running surface casing.

下表层套管时,每5根套管灌满一次泥浆.

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but i find it a sign of the surface casing is an inverted comma , would . . .

但我发现它机壳表面上的标志是一个倒逗号，请问…

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Study on dynamic response of offshore surface casing cementing unit and its application

海上表层套管固井装置的动力响应研究及其应用

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A study has been carried out on dynamic response of annular plate installation for cementing surface casing by structural dynamics analysis and according to the status and characteristics of present offshore cementing operations.

应用结构动力学分析方法，结合目前海上表层固井作业的现状和特点，对表层固井环板装置的动力响应进行了研究。

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