Method and apparatus for downhole chromatography
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United States of America Patent
Stats
-
Apr 26, 1988
Grant Date -
N/A
app pub date -
Oct 8, 1986
filing date -
Oct 8, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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