考虑液动压力对油管柱纵向振动的影响,建立了油管柱纵向振动微分方程,并给出了这种情况下油管柱纵向振动的频率方程。
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套管损坏会导致压力完整性破坏、生产油管磨损,甚至无法下入修井工具。
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膨胀管坐挂膨胀后留在井筒内的内径大,便于下入修井工具及井下作业。套管损坏会导致压力完整性破坏、生产油管磨损,甚至无法下入修井工具。
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This paper reviews the various applications and processes the clad tubing.
本文介绍了复合管的各种用途、生产工艺.
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With key off, put bleed-off tubing in a fuel can and press bleed-off valve.
与关键的了, 把流血 小康 油管在燃料可以和新闻流血开关阀.
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It can be extensively applied to tubing string for oil production technology.
可广泛应用于油水井增产增注工艺管柱上.
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According to the practical requirement, a tubing length measuring device is developed.
根据油田井下作业的实际需要, 研制了一种油管长度在线连续测量仪.
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The sample loop was a length of stainless-steel tubing of the correct volume.
注样回路上有一段不锈钢定量管.
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Fluid flow in the coiled tubing, accompany by a large frictional loss.
连续管内流体流动过程,伴有很大的沿程阻力损失。
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虽然没有完成,这是什么样的铝管材有人喜欢在工作后,在基金的沃洛普斯飞行机商店外观。
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In this paper , formula for determining strain energy of coiled tubing during reeling is derived.
推导了用于确定挠性油管在缠绕过程中的应变能计算公式.
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