Water control with polymers
US4064940A · kind A · utility
10Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 8, 1976 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | Nov 8, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/88
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method is provided for reducing the water permeability of a porous subterranean formation by injecting a dispersion of polyamide and a water soluble polymer through a well bore into the formation. Preferred materials are polyamides and poly-acrylamides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.