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The AAPG/Datapages Combined Publications Database

CSPG Bulletin

Abstract


Bulletin of Canadian Petroleum Geology
Vol. 36 (1988), No. 2. (June), Pages 177-185

The Jurassic Oil Resources of the East Shetland Basin, North Sea

H. Coustau, P.J. Lee, J. Dupuy, J. Junca

ABSTRACT

The East Shetland basin of the North Sea was selected for an evaluation study of the methodology used in petroleum resource assessment. The total amount of recoverable oil discovered up-to-date in the East Shetland basin is about 2.14 billion cubic metres (13.46 B bbls) distributed in the Jurassic section. The probabilistic model predicts that the recoverable undiscovered oil resource of the Lower and Middle Jurassic plays from both British and Norwegian sectors ranges from 0.80 to 0.94 billion cubic metres (5 to 6 B bbls). The estimates obtained from the probabilistic model were checked with those obtained by alternate methods, namely: Zipf's Law and the geochemical mass balance approach. All of the methods yield similar results.

LES RESSOURCES PETROLIERES JURASSIQUES DU BASSIN EAST SHETLAND, MER DU NORD

RESUME

Le Bassin East Shetland de la Mer du Nord fut choisi pour une etude de la methode utilisee dans l'evaluation des ressources petrolieres. La quantite totale du petrole recuperable decouvert jusqu'a date dans le Bassin East Shetland se situe aux environs de 2,14 milliards de metres cubes (13,46 milliards de barils), repartis dans la coupe Jurassique. Le modele de probabilite predit que les ressources petrolieres recuperables qui restent a decouvrir dans les zones d'interet du Jurassique inferieur et moyen du secteur tant Britannique que Norvegien, s'echelonnent entre 1,21 et 1,35 milliards de metres cubes (7,6 a 8,4 milliards de barils). Les resultats obtenus du modele de probabilite ont ete compares a ceux obtenus par d'autres methodes, c'est-a-dire: la loi de Zipf et la balance de materiel geochimique. Toutes ces methodes obtiennent des resultats semblables.

Traduit par Marc Charest


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