Method and apparatus for deactivating a partially flooded perforating gun assembly
US4649822A · kind A · utility
16Cited by
6References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1985 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Apr 29, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/1185
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus for deactivating a partially flooded perforating gun assembly utilizes a fuse which extends downwardly to the lower end of a perforating gun section and is then associated with an explosive coupler having a means for interrupting the transmission of an explosive force upon the presence of undesired fluid in the lower end of the gun section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.