Compositions – Fire-extinguishing – Foam-stabilizant or colloid-stabilizant containing
Patent
1976-12-30
1978-08-01
Padgett, Benjamin R.
Compositions
Fire-extinguishing
Foam-stabilizant or colloid-stabilizant containing
252 855R, 137 1, 137 13, 302 66, C09K 300
Patent
active
041041712
ABSTRACT:
A process for reducing the force required to restart the flow of wax-containing oil which has statically cooled to its pour point or below by inserting a plurality of yieldable fluid spacers in an oil column to divide the column into shorter hydraulically isolated segments and thus reduce the forces required to yield the gelled oil.
REFERENCES:
patent: B499370 (1976-03-01), Merrill
patent: B516625 (1976-03-01), Gudelis et al.
patent: 3669189 (1972-06-01), Fischer
patent: 3675671 (1972-07-01), Sweeney et al.
patent: 3684685 (1972-08-01), Herbstman
patent: 3735770 (1973-05-01), Day et al.
patent: 3776247 (1973-12-01), Choufoer et al.
patent: 3776248 (1973-12-01), Titus
patent: 3791395 (1974-02-01), Dunlap et al.
patent: 3880177 (1975-04-01), Kersch
Ellis et al., "The Design of Pipelines to Handle Waxy Crude Oils," Journal of Institute of Petroleum, vol. 57, No. 555, May 1971, pp. 175-183.
Price, "Flow Improvers for Waxy Crudes," Journal of the Institute of Petroleum, vol. 57, No. 554, Mar. 1971, pp. 106-109.
Barr J. L.
Hartman Richard C.
Padgett Benjamin R.
Sandford Dean
Union Oil Company of California
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