Formation fluid sampler
US4690216A · kind A · utility
22Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1986 |
| Grant date | Sep 1, 1987 |
| Priority date | — |
| Expiry date | Jul 29, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for taking a sample of formation fluid and obtaining temperature and pressure data when the apparatus is lowered into a well casing or pipe string, said apparatus comprising: a sampling device; a gun perforator; two packers, one positioned above and the other positioned below the sampling device; and valves carried by the sampling device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.