Methods using well drilling fluids having clay control properties
US8507413B2 · kind B2 · utility
18Cited by
144References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 2012 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Jan 17, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Clay is stabilized in methods for drilling of wells and other formation treatment for hydrocarbon production by the addition to the drilling or other fluid including a choline compound together with an formation control additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.