Method and apparatus for the testing of downhole injection assemblies
US7716979B1 · kind B1 · utility
5Cited by
8References
8Claims
0Family size
Inventor
Key dates
| Filing date | Sep 24, 2007 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | May 30, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/117
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus for the testing of downhole a injection assembly prior to installation of the injection assembly in the completion string comprising an injection tubing, an injection sub, an injection valve, an injection sub test block, a pressure foot, a pressure foot test block, and means for introducing pressure at a desired level, the injection sub test block, a pressure foot, a pressure foot test block being interchangeably engageable with the injection sub for testing in a sequence to allow the pre-testing of the connections of components of the injection assembly at the surface of the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.