Oil-based drilling fluid recovery and reuse
US8997896B2 · kind B2 · utility
1Cited by
15References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2011 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Jun 20, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/068
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methods and related systems are configured to treat a drilling fluid to cause water droplets to coalesce. One or more phases are thereafter separated from the treated drilling fluid. The oil and/or solids separated from the treated drilling fluid may be added to a base fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.