With the deterioration of oil extracting condition and the increasingly high demand of the performance of the oil well tube, the development of high performance oil well casing has a vital practical significance.
随着采油条件越来越恶劣，对油井管的要求也越来越高，研制高性能油井套管有着重要的实际意义。
参考来源 - 高性能油井钢管裂纹实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The deformation of oil well casing by creep of surrounding rocks is analysed with finite element methods.
用有限元方法分析了围岩蠕变引起的油井套管变形。
The program is to process all kinds of oil well pipe thread and casing coupling.
该项目是加工各类油井管螺纹、套管接箍的机械加工项目。
The purpose of perforation is penetrating the casing tube, cement sheath and a certain depth of the formation and forming unhindered channels for oil and gas flowing into the well casing.
射孔目的就是射穿套管、水泥环和地层内一定的深度，为地层的油气流入至井筒，形成一个顺畅的通道。
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