Surfactants and friction reducing polymers for the reduction of water blocks and gas condensates and associated methods
US8573302B2 · kind B2 · utility
12Cited by
5References
19Claims
0Family size
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Key dates
| Filing date | Jan 15, 2010 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Apr 28, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Improved treatment fluids and methods for use in subterranean operations including the treatment of low permeability shale formations. In one embodiment the methods comprise: providing a treatment fluid comprising an aqueous base fluid and a controlled wetting system that comprises: a water soluble polymer having a charge, a surfactant having an opposite charge, and a compatibilizer; and introducing the treatment fluid into a subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.