Gas foam for improved recovery from gas condensate reservoirs
US5178217A · kind A · utility
17Cited by
6References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1991 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Jul 31, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/584
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Gas-condensate having an API gravity value greater than 55.degree. is produced by injecting (1) a light noncondensable gas and (2) a foaming agent comprising a surfactant and water into a subterranean formation containing the gas condensate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.