Water injection systems and methods
US8794320B2 · kind B2 · utility
23Cited by
1References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2009 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Jun 5, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system comprising a well drilled into an underground formation comprising hydrocarbons; a production facility at a topside of the well; and a water production facility connected to the production facility; wherein the water production facility produces water by removing some multivalent ions, then removing some monovalent ions, and then adding back some multivalent ions, and then injects the water into the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.