downhole safety的意思|示意

Stabilizer is not used or used seldom in gas drilling to ensure the downhole safety. At this time, bottom-hole assembly bends easily resulted in well deviation.

为保证井下安全，气体钻井常常不使用或少使用稳定器，此时钻具组合更易发生弯曲而引起井斜。

To solve problems of difficultly releasing and easily breaking off of the conventional safety joint while operating in downhole, a new hydraulic controlling joint is developed.

针对倒扣式常规安全接头在井下退开难度较大，剪钉式安全接头完井作业易中途断脱的问题，研制了一种液压控制型安全接头。

The safety clamp prevents the tool string from being dropped downhole accidentally if the slips or elevators securing the string lose their grip.

如果卡紧管柱的卡瓦或吊卡失去了其抓力，则安全卡瓦可防止工具管柱意外地掉落井下。

According to the torque value, calculating that of drill string downhole, and checking the safety of the drill string.

根据该扭矩值推算到井下钻柱的扭矩值，并且校核了各点钻柱的安全性。

A cementing method of separable setting and variable density is used, with two level controls of safety valve on the ground and downhole;

采用双凝固井、变密度固井方式，均采用地面和地下两级安全阀控制；

Therefore, safety management of vehicle is the imperative measure of downhole company.

因此对油田压裂施工车辆的安全管理是井下公司势在必行的措施。