查询词典 casing head

According to the requests of API connecting casing pole to connecting intensity and sealed capability,the paper analyzes the effect of taper tolerance of pipe external thread and coupling internal thread on using properties of casing pole.

根据API螺纹连接套管柱对连接强度和密封性能的要求，分析了管子外螺纹与接箍内螺纹的锥度偏差对套管柱使用性能的影响，提出锥度偏差应在API标准要求的基础上加以内控，将极限公差缩小至机械加工允许的范围内，是提高石油套管柱使用性能的有效途径。

As the sizing process,the last procedure of producing the oil casing pipe,plays a key roll not only in controlling the size and geometry shape of the oil casing pipe,but affecting its mechanical performance.

因此，作为石油套管制造主要生产环节的定径工艺决定了石油套管的直径和椭圆度，进而影响其力学性能。

As the sizing process,the last procedure of producing the oil casing pipe,plays a key roll not only in controlling the size and geometry shape of the oil casing pipe,but affecting its mechanical performance.

为消除石油套管轧制和热处理后的尺寸及圆度误差等，一般要采用定径工艺。

The system designed features, High-pressure casing of steam turbine prewarming and medium pressure casing starting of 300MW turbine.

指出中压缸启动方式是经济、高效、安全可靠的启动方式，并制定汽机预暖与中压缸启动的方案。

For the first time spud drilling: at 22:00 on the December 31, 2009 using the 26 " drills, earth-moving polymer drilling fluid depth of 16.40m for the first time since the Park, the drilling, at 06:00 on January 4, 2010 to the depth of drilling 262.5m, horizons Upper.fars Group at its first drilled, January 5 Electrical Measurement finished, at 04:00 on the 6th, under 20 " cementing casing to the depth of 261.50m, water, mud back to the ground, the cement plug surface depth of 248.50 m, casing pressure test with water 10.0MPa qualified, January 8 cementing electrical measuring the quality of finish, drill cement plug at 20 o'clock on the 10th end, the end of a job opening.

下面这段中文，希望网友帮忙译为英语：第一次开钻钻进：2009年12月31日22：00使用26&钻头、搬土聚合物钻井液自园井深16.40m第一次开钻，2010年1月4日06：00钻进至井深262.5m，层位Upper.fars组第一次完钻，1月5日电测完，6日04：00下20&套管至井深261.50m固井，水泥浆返至地面，水泥塞面井深248.50m，套管清水试压10.0MPa合格，1月8日电测固井质量完，10日20：00钻水泥塞完，结束一开工作。

Be living in the deep well ultradeep well prospecting process ,Since radial direction force 、Eddy is stird 、Elements such as horizontal vibration and so on being ,In the wake of well drilling time the increase ,The auger post writings is used the casing inside wall crossrange strenuously to broaden ,It is more and more grave to cause casing and drilling rig to join the wornout problem .

论文摘要：在深井超深井勘探过程中，由于径向力、涡动、横向振动等因素的存在，随着钻井时间的增长，钻柱作用于套管内壁的侧向力增大，导致套管和钻具接头磨损的问题越来越严重。造成钻具耐磨带失效的主要原因有地层研磨性、钻杆的井下工况、耐磨材料选择与

The stress condition of the thermal well casing string is more complicated than that of ordinary well casing string.

0前言热采井中套管在受热膨胀时，不但有轴向膨胀，还有径向膨胀。

This study aims to design a traction tool of making the casing into the well, provide traction for the casing into the well.

本文的研究内容旨在设计一种套管牵引工具，为套管下入提供牵引力。

It should be noted, however, that the failure of the casing occurred at 154% of the MEOP, and if the motor had operated at normal pressure, the casing may well not have failed, bearing in mind that the operating duration would have been about twice as long.

应当指出，然而，失败的套管发生在154 ％的meop ，如果汽车已经运行在正常的压力，套管可能没有失败，同时铭记的经营期限将已约长一倍。

To achieve the appropriate temperature, the alloy will easily flow into the rapidly casing pipes and the space between the valve casing.

达到适当的温度后，合金将迅速容易地流进管道外壳和阀门套管之间的空间。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"