Process for recovering oil from subterranean formations

Wells – Processes – Distinct – separate injection and producing wells

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

166273, E21B 4316

Patent

active

045894892

ABSTRACT:
Disclosed is a method of using polymer flooding solutions in tertiary oil recovery operations in which the loss of relatively high molecular weight polymers to the formation is substantially reduced by the use of aqueous solutions of polyethylene glycol or polypropylene glycol or both, having a molecular weight of from about 600 to about 1200. The method is particularly effective under high salinity conditions.

REFERENCES:
patent: 3414054 (1968-12-01), Bernard
patent: 3469630 (1969-09-01), Hurd et al.
patent: 3688844 (1972-09-01), Roszelle
patent: 3692113 (1972-09-01), Norton et al.
patent: 3882939 (1975-05-01), McAtee et al.
patent: 3946811 (1976-03-01), Norton et al.
patent: 4005749 (1977-01-01), Birk et al.
patent: 4133385 (1979-01-01), Kalfoglou
patent: 4142582 (1979-03-01), Kalfoglou
patent: 4172497 (1979-10-01), Kalfoglou
patent: 4313500 (1982-02-01), Johnson, Jr. et al.
patent: 4360061 (1982-11-01), Canter et al.
A. C. Uzoigwe, F. C. Scanlon, R. L. Jewett, "Improvements in Polymer Flooding", Journal of Petroleum Technology, Jan. 1974, pp. 33-41.
G. Alexander, "Preparation of Glass Capillary Columns", Chromatographia, vol. 13, No. 10, Oct. 1980, p. 657.
J. Klein and A. Westerkamp, "Comparative Adsorption Studies . . . ", Angew. Makromolekulare Chemie 92 (1980), p. 24.

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

Process for recovering oil from subterranean formations 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 recovering oil from subterranean formations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for recovering oil from subterranean formations will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2103764

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