Activation of water-in-oil emulsions of friction reducing polyme

Details Activation of water-in-oil emulsions of friction reducing polyme Activation of water-in-oil emulsions of friction reducing polyme

1990-11-16

1991-11-26

Cohan, Alan

Fluid handling

Processes

Affecting flow by the addition of material or energy

137896, F17D 116

Patent

active

050675087

ABSTRACT:
Friction loss in a saline liquid flowing through a conduit is reduced by combining fresh water and a water-in-oil emulsion of a water soluble friction reducing polymer, subjecting the combined material to mixing to invert the emulsion and introducing the inverted emulsion directly into the flowing saline liquid. In one aspect the water-in-oil emulsion is combined with saline water containing a surfactant to effect inversion prior to introduction of the combination into the flowing saline liquid.

REFERENCES:
patent: 3601079 (1971-08-01), Giles et al.
patent: 3929088 (1975-12-01), DuBrow et al.
patent: 4049054 (1977-09-01), Wier
patent: 4212312 (1980-07-01), Titus
patent: 4722363 (1988-02-01), Allyn
patent: 4751937 (1988-06-01), Shinomura

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