Wellbore gun perforating system and method
US9835015B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 13, 2016 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Oct 13, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/117
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellbore perforating system and method with reliable and safer connections in a perforating gun assembly is disclosed. The system/method includes a gun string assembly (GSA) deployed in a wellbore with multiple perforating guns attached to plural switch subs. The perforating guns are pre-wired with a cable having multi conductors; the multi conductors are connected to electrical ring contacts on either end of the perforating guns. The switch subs are configured with electrical contacts that are attached to the electrical contacts of the perforating guns without the need for manual electrical connections and assembly in the field of operations. The system further includes detonating with a detonator that is positioned upstream of the perforating gun. The detonator is wired to a switch that is positioned downstream of the perforating gun.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.