Changes

  | part    = Critical elements of the petroleum system

  | part    = Critical elements of the petroleum system

  | chapter = Oil–oil and oil–source rock correlations

  | chapter = Oil–oil and oil–source rock correlations

  | frompg  = 8-1

  | frompg  = 8-64

  | topg    = 8-71

  | topg    = 8-66

  | author  = Douglas W. Waples, Joseph A. Curiale

  | author  = Douglas W. Waples, Joseph A. Curiale

  | link    = http://archives.datapages.com/data/specpubs/beaumont/ch08/ch08.htm

  | link    = http://archives.datapages.com/data/specpubs/beaumont/ch08/ch08.htm

  | isbn    = 0-89181-602-X

  | isbn    = 0-89181-602-X

}}

}}

Several Russian geoscientists as well as geochemists in the United States and Europe have addressed the question of the source(s) of oils in the prolific West Siberian basin. Peters et al.<ref name=ch08r41>Peters, K., E., Moldowan, J., M., Kontorovich, A., E., Huizinga, B., J., Moldowan, J., M., Lee, C., Y., 1994, [http://archives.datapages.com/data/bulletns/1994-96/data/pg/0078/0006/0850/0893.htm Multiple oil families in the West Siberian basin]: AAPG Bulletin, vol. 78, p. 893–909.</ref> present the results of a fully integrated [[oil–oil and oil–[[source rock]] correlation]] study involving numerous oils and possible [[source rocks]] in the basin. This case study examines the relationship between one of the West Siberian Basin oil families and its suggested source rock.

Several Russian geoscientists as well as geochemists in the United States and Europe have addressed the question of the source(s) of oils in the prolific West Siberian basin. Peters et al.<ref name=ch08r41>Peters, K. E., J. M. Moldowan, A. E. Kontorovich, B. J. Huizinga, J. M. Moldowan, and C. Y. Lee, 1994, [http://archives.datapages.com/data/bulletns/1994-96/data/pg/0078/0006/0850/0893.htm Multiple oil families in the West Siberian basin]: AAPG Bulletin, vol. 78, p. 893–909.</ref> present the results of a fully integrated [[oil–oil and oil–source rock correlation]] study involving numerous oils and possible [[source rocks]] in the basin. This case study examines the relationship between one of the West Siberian Basin oil families and its suggested source rock.

==Geological setting==

==Geological setting==

==What this case study indicates==

==What this case study indicates==

The conclusion of Peters et al.<ref name=ch08r41 />) that the “low-C₂₉” oils are most likely sourced from the Bazhenov Formation is based upon isotopic and molecular data that are unaffected by maturity and alteration differences that the oils suffered after leaving the Bazhenov source rock. These changes caused variations in sulfur concentrations from less than 0.5% to greater than 2.0%. This case study emphasizes the importance of using source-distinctive biomarker and isotopic data to see through the changes wrought by differences in oil maturity and in-reservoir alteration.

The conclusion of Peters et al.<ref name=ch08r41 />) that the “low-C₂₉” oils are most likely sourced from the Bazhenov Formation is based upon [[Wikipedia:Isotope geochemistry|isotopic]] and molecular data that are unaffected by maturity and alteration differences that the oils suffered after leaving the Bazhenov source rock. These changes caused variations in sulfur concentrations from less than 0.5% to greater than 2.0%. This case study emphasizes the importance of using source-distinctive biomarker and isotopic data to see through the changes wrought by differences in oil maturity and in-reservoir alteration.

==See also==

==See also==

[[Category:Critical elements of the petroleum system]]  

[[Category:Critical elements of the petroleum system]]  

[[Category:Oil–oil and oil–source rock correlations]]

[[Category:Oil–oil and oil–source rock correlations]]