Methods and apparatus for long term monitoring of reservoirs
US5467823A · kind A · utility
82Cited by
4References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1994 |
| Grant date | Nov 21, 1995 |
| Priority date | — |
| Expiry date | Nov 17, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/017
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus of monitoring subsurface formations containing at least one fluid reservoir and traversed by at least one well, by means of at least one sensor responsive to a parameter related to fluids, comprising the steps of: PA0 lowering the sensor into the well to a depth level corresponding to the reservoir; PA0 fixedly positioning said sensor at said depth while isolating the section of the well where the sensor is located from the rest of the well and providing fluid communication between the sensor and the reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.