Analytical methods and apparatus for measuring the oil content o

Details Analytical methods and apparatus for measuring the oil content o Analytical methods and apparatus for measuring the oil content o

1988-04-14

1989-09-19

Levy, Stewart J.

Measuring and testing

Borehole or drilling

Downhole test

250301, 436 31, E21B 4908

Patent

active

048669830

ABSTRACT:
Methods and apparatus are disclosed for determining oil saturation in sponge coring using solvents which dissolve substantially all of the oil but none of the sponge. Two classes of such solvents are specified. One is aprotic, and the resultant concentration of oil in it is measured by proton NMR spectroscopy. The other has no C--H bonds, and the resultant concentration of oil in it is measured by infrared spectroscopy.

REFERENCES:
patent: 2500213 (1950-03-01), Stevens
patent: 3068398 (1962-12-01), Shoolery et al.
patent: 4026953 (1977-05-01), Pohl et al.
patent: 4164653 (1979-08-01), Matumoto et al.
patent: 4265860 (1981-05-01), Jennings et al.
patent: 4295365 (1981-10-01), Meshri
patent: 4707603 (1987-11-01), Miemela et al.

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