Compositions – Leather or fur treating
Patent
1980-02-19
1981-10-27
Guynn, Herbert B.
Compositions
Leather or fur treating
166275, 525336, E21B 4322
Patent
active
042972264
ABSTRACT:
Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water thickened with polyacrylamide or partially hydrolyzed polyacrylamide alkoxylated with an alkylene oxide and, if desired, a small amount of a sulfated, alkoxylated polyacrylamide, i.e., an N-substituted polyacrylamide having N-substituents of the formula:
REFERENCES:
patent: 2808397 (1957-10-01), Stroh et al.
patent: 3002960 (1961-10-01), Kolodny
patent: 3508612 (1970-04-01), Reisberg et al.
patent: 3684014 (1972-08-01), Norton et al.
patent: 3709297 (1973-01-01), Christopher et al.
patent: 3804173 (1974-04-01), Jennings
patent: 4044831 (1977-08-01), Allen
Guynn Herbert B.
Hunter Walter D.
Kulason Robert A.
Ries Carl G.
Texaco Development Corp.
LandOfFree
Process for secondary recovery does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for secondary recovery, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for secondary recovery will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-278459