pipe casing

On Hole Wall Protection by Pipe Casing CALCULATION OF WALL THICKNESS OF EXPANDABLE CASING

套管护孔问题初探膨胀管壁厚计算研究

WOB with no more than drill pipe or casing to allow imposed WOB.

跟管钻压不超过钻具或套管允许施加的钻压。

Analysis and discuss on the force applied on protecting pipe for well casing under high pressure

高压注水井套管保护管柱受力分析探讨

Research on the Corrosion Problem of Carrier Pipe in the Casing Pipe

套管内主管道的腐蚀问题

The company has introduced international advanced level of the drainage pipe casing pipe fittings and electrical production, testing equipment and technology.

公司引进具有国际领先水平的给、排水管材管件及电工套管生产、检测设备和技术。

The utility model relates to an auxiliary accessory used for production of a ductile pipe casing enterprise, in particular to a novel supporting wheel for supporting a cast pipe to rotate.

本实用新型涉及球墨铸管企业生产用的辅助配件，特别指一种支承铸管转动的新型托轮。

Presently, the study did for it just directly used the results of study buckling behaviors on drilling pipe, casing string, conventional oil tubing to deal with coiled tubing;

目前对它的研究只是将钻柱、套管柱和常规油管柱屈曲问题的研究结果直接用于连续油管，现场很多实例表明，这样做的偏差很大，连续油管因为残余应变而具有独特的井下屈曲行为。