pipe string

Presently, the study did for it just directly used the results of study buckling behaviors on drilling pipe, casing string, conventional oil tubing to deal with coiled tubing;

目前对它的研究只是将钻柱、套管柱和常规油管柱屈曲问题的研究结果直接用于连续油管，现场很多实例表明，这样做的偏差很大，连续油管因为残余应变而具有独特的井下屈曲行为。

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The insulation pipe-drilling stem string and its using method are introduced.

介绍了保温管、测试管串的结构以及使用方法。

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In this paper, the normal contact force between the borehole wall and buckled pipe string, bending moment and stress are analyzed as well.

本文还对管柱屈曲后与井壁之间的法向接触力、弯矩及应力等进行了分析。

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Application of torque mechanics analysis of fishing pipe string in trouble well

事故井打捞管柱扭矩分析及其应用

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The string is mainly comprised of closed-type gas anchor, gravity type anti-gas device and laser slotted screen pipe.

该管柱主要由闭式气锚、重力式防气装置和激光割缝筛管3部分组成。

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The design and application of producing method pipe string with layer by layer

逐层开采工艺管柱的设计与应用

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Development and application of pipe string pressure testing advice for gas lift well

气举井管柱试压装置的研制与应用

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In this paper, about technicology and techniques of the over pressure perforating, the principle and the structure of testing pipe string are introduced as well as the feasibility is shown by field examples.

介绍了过压射孔的工艺技术原理、管柱结构设计，并通过实例证明了其可行性。

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This paper introduces the structure, working tenet and applied technology of pipe string expansion system.

本文介绍了管柱伸缩器的结构 、 工作原理、应用工艺及其在吐哈油田现场试验情况.

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TX Development of Pipe String for Chemical Water Plugging

化学堵水管柱的研制硅酸盐化学堵水工艺

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For the well completion method by slotted liner, well completion parameters, single slotted liner length and pipe string structure in well completion are optimized.

针对割缝衬管完井方法，进行了完井参数、单根割缝衬管长度、完井管柱结构的优化设计。

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The dynamical analysis of rotating pipe string in well bore

井筒内旋转管柱动力学分析

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Fictive force will be proved to be the liquid force under bending state of pipe string in the paper, and its characteristic will be analysed.

文中将证明“虚力”是管柱在弯曲状态下的流体作用力，并对其特点进行分析，以便为封隔器管柱受力分析计算奠定严密的科学基础。

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Application of Spring Theory to Mechanics Analysis of Downhole Pipe String

弹簧理论在井下作业管柱力学分析中的应用

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Research and application of the closed matching exploitation pipe string in low productivity well

低产能油井（层）闭式配套开采管柱的研究与应用

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How to Enhance Reliability of Pipe String Work for Zonal Injection

提高分层注水管柱工作可靠性

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Application of a new cementing pipe string in Taobao Oilfield

一种新型注水泥工艺管柱在套保油田的应用

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Research and application of a new type separate layer water injection and testing pipe string

新型分层注水分层测试管柱研究及应用

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What is the drill pipe string weight in air?

钻杆在气氛中的重量是多少？

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Research and analysis have been made for buckling of long pipe string under gravity.

详细分析和研究了自重作用下竖直长管柱的屈曲问题。

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Study on the acid fracturing pipe string of Tahe oil field

塔河油田酸压工艺管柱研究

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