Method of drilling a borehole using gelled polymers
USRE29716E · kind E · reissue
3Cited by
14References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1977 |
| Grant date | Aug 1, 1978 |
| Priority date | — |
| Expiry date | May 23, 1997 |
Classification
- Technology area (CPC —)General
Abstract
Improvements in secondary recovery operations for the recovery of oil, and improvements in well drilling operations, are accomplished through the use of aqueous mediums comprising aqueous gels prepared from water and certain polymers such as polyacrylamides and related polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.