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Petroleum source rock identification

  • US 4,463,096 A
  • Filed: 11/16/1981
  • Issued: 07/31/1984
  • Est. Priority Date: 11/16/1981
  • Status: Expired due to Fees
First Claim
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1. A method for determining the source rock type of a crude oil sample comprising:

  • (a) determining the relative amounts of benzothiophenes and dibenzothiophenes in the sample of crude oil;

    (b) determining the relative amounts of the isomeric methyldibenzothiophenes present in the sample of crude oil;

    (c) determining the relative amounts of dimethyl- and trimethyldibenzothiophenes present in the sample of crude oil; and

    (d) identifying, on the basis of the results of steps a, b, and c, the source rock type of the crude oil sample.

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