Polymeric fluid loss additives and method of use thereof
US6465587B1 · kind B1 · utility
25Cited by
18References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2000 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Dec 8, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/514
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compositions and use of water-soluble or water-dispersible copolymers for oil field applications. Specifically, the present invention relates to polymers containing allyloxy linkage and its functional dervatives for use in oil field applications as fluid additives for drilling and cementing processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.