Method and apparatus for analyzing fluid inclusions

Details Method and apparatus for analyzing fluid inclusions Method and apparatus for analyzing fluid inclusions

1987-05-18

1990-02-06

Richman, Barry S.

Chemistry: analytical and immunological testing

Geochemical, geological, or geothermal exploration

For petroleum oils or carbonaceous minerals

436 29, 436 31, G01N 3324

Patent

active

048988316

ABSTRACT:
Method and apparatus for analyzing fluid inclusions. A sectioned mineral sample is mounted on a glass slide and placed in a vacuum chamber. An optical microscope is used to examine the sample through a window in the vacuum chamber to identify a single fluid inclusion. A linear rotary feedthrough includes a diamond stylus on the end thereof that is received in the vacuum chamber. The feedthrough is manipulated by the operator to urge the diamond stylus against the identified fluid inclusion thereby rupturing the same. The gases, including evaporated volatile liquids, released from the inclusion are analyzed by a mass spectrometer.

REFERENCES:
patent: 3033287 (1962-05-01), Bond
patent: 4613755 (1986-09-01), Hudgens
"Mass Spectrometric Determination of Gases in Individual Fluid Inclusions in Natural Minerals", Barker et al., Anal. Chem. 58, 6-1982, 1330-1333.
"Fluid Inclusions", Roedder, Mineralogical Soc. Amer., vol. 12, Chap. 5.
"Chemical Composition of Liquid Inclusions in Iceland Spar and Genetic Problems", Khitarov et al., Geochemistry, No. 3, 1958, pp. 269-278.
"Liquid Inclusions in Minerals as a Geologic Barometer", Kalyuzhnyy, International Geologic Review, pp. 181-195.
"The Analysis of Fluid Inclusions in Halite", Lazar et al., Geochimica et Cosmochimica Acta, vol. 52, pp. 485-490, 1988.

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