Downhole tubular sealing system
US7594544B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 18, 2007 |
| Grant date | Sep 29, 2009 |
| Priority date | — |
| Expiry date | Mar 18, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed herein is a downhole disconnectable and length compensatable tubular sealing system. The system includes, a seal connector having a first metal seal receptive of a separate seal nipple and pressure sealably engagable therewith and at least one expansion joint sealingly connected to the seal connector. The expansion joint includes, a section of metal tubing having a sealing surface thereon and a metal-to-metal seal slidably sealingly engaged with the sealing surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.