Apparatus for the testing of downhole injection assemblies
US7987708B1 · kind B1 · utility
2Cited by
9References
8Claims
0Family size
Inventor
Key dates
| Filing date | Mar 29, 2010 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Mar 29, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/117
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for the testing of downhole a injection assembly prior to installation of the injection assembly in the completion string. The apparatus is comprised 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, pressure foot, pressure foot test block are 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.