Shear tolerant aqueous based fracturing fluids and methods
US8408301B2 · kind B2 · utility
1Cited by
13References
18Claims
0Family size
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Key dates
| Filing date | May 20, 2010 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Oct 27, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method comprises providing a treatment fluid comprising a gelling agent, an aqueous base fluid, a buffer composition comprising a plurality of salts, and a crosslinking agent; and contacting a subterranean formation with the treatment fluid. The aqueous base fluid is preferably seawater and the buffer composition includes one or more salts present in the treatment fluid from about 1 to about 1000 pounds per gallon of treatment fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.