公开(公告)号：US10590708B2

公开(公告)日：2020-03-17

申请号：US15744891

申请日：2017-02-27

Applicant: SOUTHWEST PETROLEUM UNIVERSITY

Inventor： Jun Liu ,  Xiaoqiang Guo ,  Qingyou Liu ,  Guorong Wang ,  Haiyan Zhu ,  Xian Liu

IPC: E21B43/116 ,  E21B7/06 ,  E21B43/117 ,  E21B47/12

Abstract: A mechanics experiment system for a perforated string in underground perforating blasting of an oil-gas well. The system includes an experiment water pool, a perforated string arranged in the experiment water pool, a signal amplifier, an A/D converter and a computer. The signal amplifier, the A/D converter and the computer are arranged outside the experiment water pool and are sequentially electrically connected; the perforated string includes an oil pipe, a packing tube, a sleeve, an acceleration testing short joint A, a damper, an acceleration testing short joint B and a perforating gun which are sequentially connected from top to bottom.