Chemistry: analytical and immunological testing – Geochemical – geological – or geothermal exploration – For petroleum oils or carbonaceous minerals
Patent
1987-01-30
1988-12-20
Richman, Barry S.
Chemistry: analytical and immunological testing
Geochemical, geological, or geothermal exploration
For petroleum oils or carbonaceous minerals
436139, 436141, 436155, 436159, 436160, 436175, 436177, 436181, G01N 128, G01N 3300
Patent
active
047925264
ABSTRACT:
The instant invention relates to the separation and collection of hydrocarbons, including methane, from a gas emanating from an earth formation to determine the hydrocarbon potential of such earth formation. The apparatus includes a sequential network of cryogenic traps, adsorbent traps and furnaces to recover methane in one such cryogenic trap as a condensed carbon dioxide sample, in combination with (i) a valve antecedent to such network and (ii) a vacuum pump subsequent to such network to continuously provide a subatmospheric pressure throughout the network and prevent condensation of oxygen or atmospheric carbon dioxide in the cryogenic traps.
Fox John R.
Larter Stephen R.
Ouellette Gregory P.
Franks Robert A.
Hill Jr. Robert J.
Richman Barry S.
Thompson Alan H.
Union Oil Company of California
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