Wells – Processes – Distinct – separate injection and producing wells
Patent
1977-03-18
1978-03-21
Novosad, Stephen J.
Wells
Processes
Distinct, separate injection and producing wells
166252, 252 855D, E21B 4322
Patent
active
040797856
ABSTRACT:
Samples of oil from a formation to be flooded are equilibrated with a series of surfactant systems comprising a petroleum sulfonate surfactant, a cosurfactant having limited solubility in water and brine. By using sulfonates having an equivalent weight within the range of 375 to 500 and using cosurfactants having a solubility in water varying from 0.5 to 20 grams per 100 grams of water, some of the mixtures will partition into two or more phases while others will not. Then a separate sulfonate-cosurfactant-brine system is made up corresponding to one of those which partitions and the system is injected into the reservoir where on contact with the oil it forms a multiphase bank.
REFERENCES:
patent: 3330344 (1967-07-01), Reisberg
patent: 3348611 (1967-10-01), Reisberg
patent: 3373809 (1968-03-01), Cooke, Jr.
patent: 3469630 (1969-09-01), Hurd et al.
patent: 3500922 (1970-03-01), O'Brien et al.
patent: 3605895 (1971-09-01), Jones
patent: 3770632 (1973-11-01), Gilliam et al.
patent: 3777818 (1973-12-01), Feuerbacher et al.
patent: 3802508 (1974-04-01), Kelly et al.
patent: 3885628 (1975-05-01), Reed et al.
patent: 3981361 (1976-09-01), Healy
Boneau David F.
Clampitt Richard L.
Hessert James E.
Novosad Stephen J.
Phillips Petroleum Company
LandOfFree
Oil recovery method using in situ-partitioning surfactant flood does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Oil recovery method using in situ-partitioning surfactant flood , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oil recovery method using in situ-partitioning surfactant flood will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-566130