Swellable packer construction
US7849930B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2007 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | May 31, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1208
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A swellable packer construction. A method of forming an annular barrier in a well includes the steps of: embedding a reinforcement material within a swellable seal material to form a seal assembly; and swelling the seal material by contacting the seal material with well fluid. A method of constructing a well packer includes the steps of: embedding a reinforcement material in a swellable seal material to form a seal assembly; and then installing the seal assembly on a base pipe. A swellable packer construction comprises a seal assembly including a swellable seal material having a reinforcement material embedded therein, the seal material being cylindrical shaped and disposed both external and internal relative to the reinforcement material, and the seal material being swellable in response to contact with well fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.