Measurement device in a horizontal well
US8695701B2 · kind B2 · utility
2Cited by
8References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 10, 2007 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Feb 2, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A logging probe supporting device includes a connector that can be plugged in at the bottom of the well with a logging cable contained in the inner space of rods to which the supporting device is fastened and fluid communicating openings provided between the inner space of the rods and the outside of the supporting device, the openings being arranged between the probe and connector. The device includes, between the openings and the connector, a shutoff such as check valves allowing fluid circulation from the inside towards the outside and preventing circulation from the outside towards the inside of the supporting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.