Petroleum Alteration

  • Bernard P. Tissot
  • Dietrich H. Welte

Abstract

Petroleum is a very complex mixture of organic compounds and has a high energy content; it is thermodynamically metastable under geological conditions. Petroleum after being pooled in a reservoir is therefore susceptible to alteration. Attention to the importance of alteration was directed by a number of papers (Williams and Winters, 1969; Evans et al., 1971; Bailey et al., 1973a), which investigated heavier crude oils of Western Canada.

Keywords

Methane Migration Sulfide Hydrocarbon Sandstone 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • Bernard P. Tissot
    • 1
  • Dietrich H. Welte
    • 2
    • 3
  1. 1.Institut Francais du Pétrole and Ecole Nationale Supérieure du PétroleRueilFrance
  2. 2.Institut für Erdöl und Organische GeochemieKernforschungsanlage Jülich GmbHJülichGermany
  3. 3.IES Gesellschaft für Integrierte Explorationssysteme mbHJülichGermany

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