Diesel oil-based invert emulsion drilling fluids and methods of drilling boreholes
US7696131B2 · kind B2 · utility
54Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2007 |
| Grant date | Apr 13, 2010 |
| Priority date | — |
| Expiry date | Jul 5, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Diesel oil-based invert emulsion drilling fluids having fragile gel properties and improved performance. Methods are also disclosed for drilling, running casing, cementing, and/or producing hydrocarbons in a subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.