Body symmetry, in particular welded body structure, well under the stress from the pipe.

阀体对称，尤其是焊接阀体结构，能很好地承受来自管道的应力。

youdao

This paper introduces a new cementing tool named circulating blind pipe, and it's mechanical structure, operation principle and successful applications while cementing a liner in a lost well.

详细介绍了一种新型固井用井下工具——可循环盲板的结构、工作原理及其在漏失井筛管固井中的成功应用。

youdao

For the well completion method by slotted liner, well completion parameters, single slotted liner length and pipe string structure in well completion are optimized.

针对割缝衬管完井方法，进行了完井参数、单根割缝衬管长度、完井管柱结构的优化设计。

youdao

McMoran has since drilled a second well into Davy Jones (using a fatter pipe), proving that the reservoir structure stretches over 20, 000 acres, and is now drilling a second Blackbeard well, currently at a depth of 25, 200 feet.

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