Apparatus and method for performing downhole measurements
US6360823B1 · kind B1 · utility
10Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2000 |
| Grant date | Mar 26, 2002 |
| Priority date | — |
| Expiry date | Jul 20, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/001
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for performing a function in a flowing fluid includes an apparatus body and a drag member associated with the apparatus body. The drag member is configurable between drag configuration for moving with the fluid wherein the apparatus has a first drag and a reduced drag configuration for moving against the fluid wherein the apparatus has a second drag which is less than the first drag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.