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Abstract

AAPG Bulletin, V. 84, No. 2 (February 2000), P. 174-182.

An AVO Study of a Possible New Hydrocarbon Play, Offshore Central West Greenland1

Nina Skaarup,2 James A. Chalmers,2 and Dave White3

©Copyright 2000. The American Association of Petroleum Geologists. All rights reserved.
1Manuscript received July 29, 1998; revised manuscript received March 12, 1999; final acceptance July 9, 1999.
2Geological Survey of Denmark and Greenland, Thoravej 8, DK-2800 Copenhagen NV, Denmark; e-mail: nsk@geus.dk
3Robertson Research International Ltd., Horizon House, Azalea Drive, Swanley, Kent BR8 8JR, England.
Funds for acquisition and processing of the seismic data were provided in 1990 by the Mineral Resources Administration for Greenland and in 1995 by the Government of Greenland, Bureau of Minerals and Petroleum and the Danish State through the Mineral Resources Administration for Greenland. The Mineral Resources Administration for Greenland also provided funding for the AVO study. This paper is published with permission of the Geological Survey of Denmark and Greenland.

ABSTRACT

Since 1992, extensive oil seeps have been discovered in Cretaceous sediment and Paleogene basalt onshore central West Greenland. Offshore, the basalts are buried under younger sediments. Interpretation of seismic data offshore has shown the presence of a closed structure at top basalt level. Within the sediments above the closed structure can be seen bright reflections that have strong AVO (amplitude variation with offset) anomalies. These features may indicate the presence of hydrocarbons that have migrated through the basalts from deeper source rocks and been trapped in the sediments above the basalts.

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