Heavy oil sample preparation

Details Heavy oil sample preparation Heavy oil sample preparation

1982-12-10

1984-10-30

Turk, Arnold

Chemistry: analytical and immunological testing

Including sample preparation

Digestion or removing interfering materials

208 88, 208184, 208186, 436177, 436178, G01N 100, G01N 3328, C10M 1100

Patent

active

044800398

ABSTRACT:
A substantially solids-free sample of an oil having substantially the same hydrocarbon distribution as a heavy oil contained in a subterranean reservoir is prepared by vacuum-topping a field sample of the oil or oil-containing material while cold-trapping volatiles, diluting the topped oil with a volatile oil solvent, mechanically separating the solution from entrained solids, vacuum-distilling the solvent from the dissolved oil and recombining the oil and the cold-trapped volatiles.

REFERENCES:
patent: 1838718 (1931-12-01), Stutler
patent: 2239470 (1941-04-01), Schick
patent: 2906693 (1959-09-01), Donaldson
patent: 3791965 (1974-02-01), Fitzsimmons et al.
patent: 4073720 (1978-02-01), Whisman et al.
patent: 4233140 (1980-11-01), Antonelli et al.
patent: 4263102 (1981-04-01), Schorr et al.
patent: 4399252 (1983-08-01), Cunningham

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