Formation fracturing with stable foam
US3937283A · kind A · utility
254Cited by
4References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 17, 1974 |
| Grant date | Feb 10, 1976 |
| Priority date | — |
| Expiry date | Oct 17, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Stable foam within specified quality range is used as a fracturing fluid or to extend fractures in subterranean formations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.