Lightweight, low cost structure for formation conductivity measuring instrument
US7759942B2 · kind B2 · utility
4Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2007 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Mar 7, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A well logging instruments includes an electrically conductive sonde mandrel. At least one electrical sensor is affixed to an exterior of the mandrel. The sensor is configured to be attached to the mandrel by sliding along an exterior surface thereof. A pressure-sealing electrical feedthrough bulkhead makes electrical connection from the at least one sensor through a wall of the mandrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.