Formation tester pad
US9085964B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2009 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | May 20, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A formation tester seal pad includes a support member and a deformable seal pad element including an outer sealing surface having a plurality of raised portions and adjacent spaces. In some embodiments, the raised portions are deformable into the adjacent spaces in response to a compressive load on the outer sealing surface. In some embodiments, the support member includes an inner raised edge and an outer raised edge to capture the deformable seal pad element. In some embodiments, a deformable seal pad element includes a volume of seal pad material above a support member outer profile and a volume of space below the outer profile. In some embodiments, the space volume receives a portion of the seal pad volume in response to a compressive load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.