jar collar

Improvement and application of hydraulic jar for high-pressure ultra-deep well;

高压超深井液压震击器的改进及应用

By example of 95 mm TR jar and calcu lation of it, it is thought that by selecting type and number of washer accordi ng to number of its slot, the scope of packaged angle of the jar can be reached.

在保养TR调时震击器时,常遇到如何将组装角调整到45°~60°之间的问题,通过以95mmTR调时震击器为例,经计算可知根据垫圈槽数,选择垫圈的类型和数量,可将震击器组装角调整到合适的范围。

Jarring tool may use to unfreeze effectively, So how to calculate the dynamic Ioading accurately in jarring is an important work in jarring.

关于震击动载荷的计算说法不一,本文根据震击器上击器的工作原理,应用动力学分析方法,建立了向上震击作用中钻柱的动力学方程,分析了震击作用时弹性波在钻柱中的传播情况。

This paper introduces the principle of unlocking drill by shock and the design of shock tool.

本文介绍了震击解卡的原理和震击工具的设计计算 ,并通过试验证明震击是一种有效的解卡方