Recovered drilling fluid formulation
US11220873B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2019 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Jun 6, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/065
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method may include: heating a drilling waste comprising water, oil, and solid particulate; vaporizing at least a portion of the water and oil from the drilling waste to form a vaporized fluid, wherein the step of vaporization is performed at a pressure less than about 101.325 kPa; and condensing the at least a portion of the water and oil to form a recovered fluid emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.