The conclusion presents important references for design and selection of auger drills.

研究结果对螺旋钻具的设计和选用具有重要指导意义.

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Run the string for the second spud in to the cement pulg.

将二开钻具下到水泥塞处.

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Established the finite element model of the transverse vibration of BHA.

建立了下部钻具组合横向振动的力学模型.

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Moving - coordinate reiterative method is used for non - linear finite analysis of BHA.

把动坐标迭代法应用于下部钻具组合(BHA)的 非线性 有限元分析.

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Stabilizer is an important component in BHA of hole deviation control.

稳定器是井斜控制井底钻具组合中的重要组件.

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In well - drilling project, corrosion of drill steel and pipeline is ubiquitous phenomena.

油田钻具和管道系统腐蚀是油田工程中普遍存在的问题.

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Whenever setting the slips , lower tubulars slowly to minimise shock loading.

任何时候坐卡瓦时, 慢放钻具最大限度地减小冲击载荷.

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About the well - hole - track section, drilling tool assembly and cementing are concerned.

介绍了该 井井 身轨迹剖面 、 钻具组合、固井的情况.

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The drilling tool should be measured precisely.

请准确丈量钻具.

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Eccentric BHA is a new deflection controlling tool.

偏轴防斜钻具是一种新型的防斜钻具.

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Run in turbine drill.

下涡轮钻具.

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This is BHA [ bottom hole assembly ] log .

这是井下钻具组合的 记录本.

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Pick up BHA and run to seafloor.

将下部钻具下到海底.

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Single bend PDM drill - assembly on well straightening shows strong ability in big deviation angle.

单弯螺杆钻具组合在井斜角较大时显示出了强的纠斜能力.

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The design principle, design concept, operating theory and features of the drilling tool are expounded.

论述了设计原则 、 设计思路 、 钻具工作原理以及钻具的特点.

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