Method and apparatus for downhole chromatography

Details Method and apparatus for downhole chromatography Method and apparatus for downhole chromatography

1986-10-08

1988-04-26

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

73 611C, E21B 4910

Patent

active

047396547

ABSTRACT:
Method and apparatus for downhole chromatography. A tool housing includes a chromatograph and a formation tester for extracting a fluid sample from a formation adjacent the wall of an uncased well bore. When such a sample is extracted it is directed into the chromatograph which analyzes the same and transmits the information to the surface. Thereafter, solvent from a reservoir in the housing is used to purge the chromatograph to enable the tool to be relocated to a different level for additional formation fluid analysis.

REFERENCES:
patent: 2983586 (1961-05-01), Blanchard
patent: 3254531 (1966-06-01), Briggs
patent: 3386286 (1968-06-01), Moore
patent: 3462761 (1969-08-01), Horeth et al.
patent: 3577782 (1971-05-01), Aitken
patent: 3611799 (1971-10-01), Davis
patent: 3795149 (1974-03-01), Gillette et al.
patent: 4210018 (1980-07-01), Brieger
patent: 4416152 (1983-11-01), Wilson

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