Methods and apparatus for improved cement plug placement
US8826979B2 · kind B2 · utility
2Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2009 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Oct 21, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus for making real-time measurements of downhole properties during cement plug placement. A wired placement conduit (14) is lowered downhole releasing a sensor package (20). The sensor package is capable of measuring downhole properties in real-time in the period while the cement plug sets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.