Waterflooding process employing cationic-nonionic copolymers

Compositions – Leather or fur treating

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

166274, 166275, 260879, 260880R, 260880B, E21B 4322

Patent

active

041102320

ABSTRACT:
This specification discloses a waterflooding process for producing oil from an oil-containing subterranean formation penetrated by an injection well and a production well. An aqueous solution of a copolymer formed of hydrophobic olefinic segments and cationic aromatic hydrophilic segments is injected into and driven through the formation in the production of oil therefrom.

REFERENCES:
patent: 2802785 (1957-08-01), Nowak et al.
patent: 3085063 (1963-04-01), Turbak
patent: 3116791 (1964-01-01), Sandiford et al.
patent: 3583486 (1971-06-01), Stratton
patent: 3629371 (1971-12-01), Winkler
patent: 3744566 (1973-07-01), Szabo et al.
patent: 3747676 (1973-07-01), Norton et al.
patent: 3945437 (1976-03-01), Chiu et al.
patent: 3948783 (1976-04-01), Szabo et al.
patent: 3984333 (1976-10-01), VAN DE Kraats et al.
Foster et al., Article in Journal of Petroleum Technology, vol. 25, Feb. 1973, pp. 205-210.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Waterflooding process employing cationic-nonionic copolymers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Waterflooding process employing cationic-nonionic copolymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Waterflooding process employing cationic-nonionic copolymers will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1631945

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.