Petroleum source rock identification

Details Petroleum source rock identification Petroleum source rock identification

1981-11-16

1984-07-31

Marcus, Michael S.

Chemistry: analytical and immunological testing

Geochemical, geological, or geothermal exploration

For petroleum oils or carbonaceous minerals

73 231, 436 91, 436120, 436140, 436161, 436171, G01N 2172, G01N 3108

Patent

active

044630964

ABSTRACT:
The geochemical oil prospecting method is disclosed in which a crude oil sample is analyzed for the presence of distinctive patterns of aromatic sulfur compounds which are indicative of the petroleum source rock type. Using relative proportions of benzothiophenes, dibenzothiophene, isomeric methyl dibenzothiophenes, dimethyl- and trimethydibenzothiophenes a crude oil can be identified as having a carbonate or siliciclastic source. The information obtained can be used in combination with geological and seismic studies to determine potential oil locations.

REFERENCES:
patent: 4111554 (1978-09-01), Colin et al.
Sulfur Compounds in Petroleum, Thompson et al., ASTM Symposium, Jan. 1965.
Johansen, Use of a Flame Photometric Detector with Glass Open Tubular Columns, for the Analysis of Sulfur Compounds in Petroleum Products, Chromatography Newsletter, vol. 5, No. 3, Sep. 1977.
Coleman et al., Identification of Benzo(b)thiophene and its 2- and 3-Methyl Homologs in Wasson, Texas, Crude Oil, J. Chem. Engr. Data 6, 464-8, (1961).
Ho et al., Evolution of Sulfur Compounds in Crude Oils, 44 page Bull. 58, 2338-2348, (1974).
Abstracts of Papers, ACS Meeting (1979), The Origin of Sour Petroleums, William Hughes.
Abstract, Geological Society of America Meeting, May 1980, Carbonates and the Petroleum Geochemistry of Sulfur, William Hughes.

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