Chemistry: analytical and immunological testing – Geochemical – geological – or geothermal exploration – Using chemical tracers
Patent
1982-09-27
1988-07-05
Richman, Barry S.
Chemistry: analytical and immunological testing
Geochemical, geological, or geothermal exploration
Using chemical tracers
436 30, 436 56, G01N 3328
Patent
active
047554690
ABSTRACT:
A method for tagging an oil so that subsequently it may be identified as to source by incorporating into the oil as a tracer material an oil-soluble or oil-dispersible Group VIB, Group VIIB or lanthanum series rare earth metal salt of a fatty acid. The so-tagged oil may be utilized in any desired manner. Thereafter, an oil suspected to contain at least a portion of the so-tagged oil is analyzed for the presence of the added metal moiety. The method is especially useful in tracing a complex oleaginous and petroliferous material so that it may be recovered and identified following a theft or spill or to trace the flow of such oil injected through a subterranean reservoir.
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Goldish Elihu
Lukasiewicz Ronald J.
Showalter William E.
Gzybowski Michael S.
Lambert Howard
Richman Barry S.
Sandford D.
Union Oil Company of California
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