Well tool adapted to be locked within and sealed with respect to the bore of the well conduit
US4058162A · kind A · utility
26Cited by
7References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 22, 1976 |
| Grant date | Nov 15, 1977 |
| Priority date | — |
| Expiry date | Apr 22, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
There is disclosed well apparatus which comprises a well conduit having a bore therethrough and a well tool having means thereon for releasably locking it within and sealing it with respect to the bore of the well conduit when lowered therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.