Methods of treating subterranean zones penetrated by well bores
US6767867B2 · kind B2 · utility
79Cited by
64References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2002 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | May 21, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S524/922
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides methods of treating subterranean zones penetrated by well bores in primary well cementing operations, well completion operations, production stimulation treatments and the like. The methods are basically comprised of introducing into the subterranean zone an aqueous well treating fluid comprised of water and a water soluble polymer complex fluid loss control additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.