Developing small size whipstock so as to reduce the hole enlarging cost.Carrying on reliability desi...
向器对钢质柔性钻杆的阻力,以增大径向水平进尺;
Developing small size whipstock so as to reduce the hole enlarging cost.Carrying on reliability desi...
向器对钢质柔性钻杆的阻力,以增大径向水平进尺;
Based on the models,the clearance between the walls of slide way in whipstock,the clearance between wheels against each ...
对钻杆材料、规格、工艺参数的选择出了具体方案。
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