Methods and apparatus for improved cement plug placement
US9404338B2 · kind B2 · utility
0Cited by
13References
20Claims
0Family size
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Key dates
| Filing date | Oct 12, 2009 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Mar 22, 2032 |
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 is lowered downhole releasing a sensor package. 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.