Compositions and methods for treating a water blocked well using a nonionic fluorinated surfactant
US8138127B2 · kind B2 · utility
23Cited by
62References
20Claims
0Family size
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Key dates
| Filing date | Dec 30, 2007 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Dec 30, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/604
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water by contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant wherein the solvent at least partially displaces or solubilizes the water in the formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.