Geochemical Hetrerogenities of Hydrocarbon Reservoirs in Microscale and Applications

Pan Changchun; Yang Jianqiang

Dis tinct com positional varaitions exist among hydrocarbo ns in open pores, colsed po res and bydrocarbon inclusions hos ted in minerals of reservoir rocks.In a pore scale, those heterogeneities are also indicated betw een free hy drocarbons and absorbed hydrocarbons by various minerals, reflecting compositional changes of hydro- carbons in reservoirs during hydrocarbon filling process.Analysis of those various hydrocarbons in reservoi r rocks could provide im porant infor mation for oil source correlations.

1 Guangzhou Institute of Geochemistry,Chinese Academy of sciences,Guangzhou 510640;

2 Research Institute of Exploration and Development,Karamay,Xinjiang 834000

Received Date: 1997-07-24

Rev Recd Date: 1998-03-10

Publish Date: 1998-08-10

Key words:

Abstract: Dis tinct com positional varaitions exist among hydrocarbo ns in open pores, colsed po res and bydrocarbon inclusions hos ted in minerals of reservoir rocks.In a pore scale, those heterogeneities are also indicated betw een free hy drocarbons and absorbed hydrocarbons by various minerals, reflecting compositional changes of hydro- carbons in reservoirs during hydrocarbon filling process.Analysis of those various hydrocarbons in reservoi r rocks could provide im porant infor mation for oil source correlations.

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Geochemical Hetrerogenities of Hydrocarbon Reservoirs in Microscale and Applications

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