在使用连续管柱的情况下，在含气油井条件下的安全工作能力使得流体在任何时刻都能被泵送而与位置和移动方向无关。
The ability to work safely under live well conditions, with a continuous string, enables fluids to be pumped at any time regardless of the position or direction of travel.
介绍了液压加速器和震击器的结构、工作原理以及震击管柱运动规律与动力性能。
The design feature and working principle of the hydraulic accelerator and the fishing jar art, introduced. The motion pattern and dynamic performance of the jar pipe string are analyzed.
简要介绍了管柱伸缩器的结构、工作原理及用途。
The structure, work principle and application of tubing telescopic unit is introduced.
循环接头在工作时在工具管柱的上段打开通向环形空间的通路，于是能够建立较大的循环流量。
When operated, the circulation sub allows a higher circulation rate to be established by opening a path to the annulus in the top section of the tool string.
工具管柱要到达工作深度或有关层段所必须经过的在井筒中存在的最小直径。
The smallest diameter present in a wellbore through which a tool string must pass to enable access to the operating depth or zone of interest.
高温高压深井测试管柱的工作力学分析是测试工程设计的关键技术之一。
The mechanical analysis of operating the high temperature high pressure deep well testing pipe string is one of the key techniques in testing engineering design.
这是确定挠性管柱工作范围的重要因素，因为挠性管的缠绕趋向于产生某个椭圆度。
This is an important factor in determining the operating limits of coiled tubing strings since the action of spooling the string tends to induce some ovality.
套管和管柱充满工作液。
The casing and tubing string are filled with a working fluid.
为了简化作业管柱，提高工作效率，研制了新型锚定器，并通过计算，确定了该锚定器关键部件的技术参数。
In order to simplify and increase the efficiency, the new hydraulic anchor is designed. Through computation, the technical parameters in key parts are determined.
球塞气举方式采用U型双管柱易受套管尺寸限制，且施工作业较为复杂，其应用受到较大限制。
Pig lift method with U-shape double strings is easy to be limited by size of casing and very complicated in construction operation process. Thus, the large restrictions exist in the field application.
结果表明，新研制的堵水管柱调整灵活，工作可靠。
The result show that the new switch with convenient operation and better reliability is satisfied.
深入了解扶正器工作机理后，将弯曲管柱分别投影到井斜平面和方位平面上计算，从而将三维问题转化为二维问题。
Project bend pipe to Inclination Plane and Azimuth Plane, so turn complicate 3-D problem to two 2-D bend problem .
深入了解扶正器工作机理后，将弯曲管柱分别投影到井斜平面和方位平面上计算，从而将三维问题转化为二维问题。
Project bend pipe to Inclination Plane and Azimuth Plane, so turn complicate 3-D problem to two 2-D bend problem .
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