Fluid handling – Processes – Affecting flow by the addition of material or energy
Patent
1987-07-13
1988-09-20
Cohan, Alan
Fluid handling
Processes
Affecting flow by the addition of material or energy
137605, F17D 116
Patent
active
047718005
ABSTRACT:
Drag reduction in hydrocarbon fluids flowing through conduits is improved by the injection of high molecular weight non-crystalline hydrocarbon soluble drag-reducing polymers through dies having multiple openings at substantially the same distance from the conduit wall.
REFERENCES:
patent: 3601079 (1971-08-01), Giles
patent: 3826279 (1974-07-01), Verschuur
patent: 4340076 (1982-07-01), Weitzen
Cohan Alan
Conoco Inc.
Schupbach C. R.
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