Methods for improving the productivity of oil producing wells
US8261825B2 · kind B2 · utility
19Cited by
80References
20Claims
0Family size
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Key dates
| Filing date | Nov 25, 2008 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Apr 20, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/588
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods for treating clastic formations bearing brine and at least one of black oil or volatile oil using a composition containing a nonionic polymer and solvent. The solvent at least one of solubilizes or displaces at least one of brine or oil in the clastic formation. Methods for treating a formation having at least one fracture using a composition containing a nonionic polymer and solvent. Methods for making a composition for treating a clastic formation bearing brine and at least one of black oil or volatile oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.