A rapid correlation method for petroleum population mapping within individual petroleum reservoirs: applications to petroleum reservoir description
While oil-oil and oil-source rock correlation is a routine part of most exploration programmes, it is only rarely that detailed comparison of oil compositional variations within reservoirs are studied. Although many mechanisms serve to homogenize reservoir fluids, petroleum populations of varied composition can be defined and related to reservoir contiguity and the history of field filling from diverse source rock assemblages. The definition of these heterogeneous petroleum populations, while of great significance to exploration problems related to field filling and definition of prospective sub-traps, is also an under-exploited development tool. Conventional approaches to reservoir definition rely heavily on sedimentological and downhole geophysical analysis of formations coupled with flow testing. Petroleum population mapping may allow direct definition of filling/production conduits within fields if mixing processes can be understood and quantified.
KeywordsSource Rock Saturated Hydrocarbon Polyaromatic Hydrocarbon Hydrocarbon Exploration Petroleum Geochemistry
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- Bjorøy, M., Solli, H., Hall, K. and Leplat, P. 1985. Analysis of source rocks, reservoir rocks and cap rocks by combined thermal extraction and pyrolysis — gas chromatography. In: Thomas, B. M. et al. (eds), Petroleum Geochemistry in Exploration of the Norwegian Shelf, Norwegian Petroleum Society, Graham & Trotman, London, 327–337.Google Scholar
- Clementz, D. M. 1979. Effect of oil and bitumen saturation on source-rock pyrolysis. AAPG Bull., 63, 2227–2232.Google Scholar
- Cohen, M. J. and Dunn, M. E. 1987. The hydrocarbon habitat of the Haltenbank-Trænabank area offshore Mid-Norway. In: Brooks, J. and Glennie, K. W. (eds), Petroleum Geology of North West Europe, Graham & Trotman, London, 1091–1104.Google Scholar
- Ellenor, D. W. and Mozetic, A. 1986. The Draugen oil discovery. In: Spencer, A. M. et al. (eds), Habitat of Hydrocarbons on the Norwegian Continental Shelf, Norwegian Petroleum Society, Graham & Trotman, London, 313–316.Google Scholar
- England, W. A. and Mackenzie, A. S. 1989 Geol. Rundschau. 78, No. 1, in press.Google Scholar
- Espitalié, J., Laporte, J. L.; Madec, M., Marquis, F., Leplat, P., Paulet, J. and Boutefeu, A. 1977. Méthode rapide de caractérisation des roches mères, de leur potentiel pétrolier et de leur degré d’évolution. Rev. Inst. Fr. Pétrole., 32, 23–42.Google Scholar
- Hughes, W. B., Holba, A. G., Miller, D. E. and Richardson, J. S. 1985. Geochemistry of greater Ekofisk crude oils. In: Thomas, B. M. et al. (eds), Petroleum Geochemistry in Exploration of the Norwegian Shelf, Norwegian Petroleum Society, Graham & Trotman, London, 75–92.Google Scholar
- Karlsen, D. and Larter, S. 1989. Analysis of petroleum fractions by TLC-FID—Applications to petroleum reservoir description. Submitted to Fuel.Google Scholar
- Karlsen, D. A., Larter, S., Mason, P., Newcomb, G. and Leythaeuser, D. 1989. The geochemistry of petroleum reservoirs—a case history from the Norwegian North Sea. Submitted to Advances in Petroleum Geochemistry 1989. Paris.Google Scholar
- Leythaeuser, D. and Rückheim, J. 1989. Heterogeneities in Rheingraben oilfields. Submitted to Geochim. Cosmochim. Acta. Google Scholar