Formation testing instrument having extensible housing
US6655458B2 · kind B2 · utility
14Cited by
18References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2001 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | Jan 15, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/01
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A well logging instrument is disclosed which includes a housing operatively coupled to a well logging conveyance and movable within the wellbore. The housing has therein a formation testing system and an axial extension mechanism. The axial extension mechanism controllably extends and retracts to allow the formation testing system to perform tests and take samples in an axially fixed position in the wellbore while the housing moves through the wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.