Method of controlling the mobility of flows through fissures, sl

Details Method of controlling the mobility of flows through fissures, sl Method of controlling the mobility of flows through fissures, sl

1984-02-29

1986-04-22

Morris, Theodore

Compositions

Leather or fur treating

166275, C09K 300, E21B 4316

Patent

active

045841098

ABSTRACT:
Method of controlling the mobility of aqueous flows through fissures, slits or pores, in particular of flooding waters in tertiary production of crude oil, wherein cationic surfactants which, on measurement of the electric birefringence with a pulsed rectangular electrical field in pure aqueous solutions, give a measurement signal, from the decrease of which a relaxation time of 0.01 .mu.s to 10 ms, in particular of 0.1 .mu.s to 2 ms, results, are added to the aqueous medium. Preferred suitable cationic compounds are those of the general formula

REFERENCES:
patent: 3302713 (1967-02-01), Ahearn et al.
patent: 3799263 (1974-03-01), Prillieux et al.
patent: 4469608 (1984-09-01), Hinkamp
patent: 4502540 (1985-03-01), Byham

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