Modelling the evolution of hydrocarbon systems in the inverted West Netherlands Basin the Netherlands
conference paper
The hydrocarbon systems of the West Netherlands Basin are analysed using the two-dimensional forward modelling. Three source rock intervals are considered in the modelling. The history of heatflow is calculated from the forward modelling of tectonic subsidence. Modelling results show that the oil accumulations were filled just after the Sub-Hercynian inversion event (80 Ma), and that in the Westphalian gas system a potential exists for undiscovered reserves. Modelling of the Namurian gas system shows that mixing with Westphalian gas is likely. The existence of a Namurian hydrocarbon system may also imply that hydrocarbons are trapped at deeper, unexplored levels in the Westphalian and Namurian succession. (C) 2000 Elsevier Science B.V. All rights reserved.The hydrocarbon systems of the West Netherlands Basin are analysed using the two-dimensional forward modelling. Three source rock intervals are considered in the modelling. The history of heatflow is calculated from the forward modelling of tectonic subsidence. Modelling results show that the oil accumulations were filled just after the Sub-Hercynian inversion event (approx. 80 Ma), and that in the Westphalian gas system a potential exists for undiscovered reserves. Modelling of the Namurian gas system shows that mixing with Westphalian gas is likely. The existence of a Namurian hydrocarbon system may also imply that hydrocarbons are trapped at deeper, unexplored levels in the Westphalian and Namurian succession.
TNO Identifier
953481
ISSN
03756742
Publisher
Elsevier
Source title
Journal of Geochemical Exploration, Geofluids III - 3rd International Conference on Fluid Evolution, Migration and Interaction in Sedimentary Basins and Orogenic Belts, 12 July 2000 through 14 July 2000
Pages
685-688
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