Mitigating perforating gun shock
US8136608B2 · kind B2 · utility
33Cited by
13References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 16, 2008 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Dec 16, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/1195
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellbore tool string includes a perforating gun having a plurality of explosive perforating charges and a shock mitigation tool. The shock mitigation tool including a tubular body having a top end, a bottom end, and a chamber; a barrier disposed proximate the bottom end in communication with the chamber; and a plurality of actuators connected with the body proximate to the top end of the body, each actuator opening a port in the body providing fluid communication with the chamber when the plurality of actuators are activated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.