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Middle to Upper Jurassic Depositional Settings in the Hammerfest BasinNormal access

Authors: T.I. Braut, A. Escalona and I.C. Augustsson
Event name: 80th EAGE Conference and Exhibition 2018
Session: Student Poster: Tectonics, Sedimentation and Exploration
Publication date: 11 June 2018
DOI: 10.3997/2214-4609.201801673
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 742.22Kb )
Price: € 20

Summary:
The Middle to Upper Jurassic Fuglen and Hekkingen formations of the southwestern Barents Sea represents both important source rocks and seals in several petroleum plays in the region. The current understanding of this time interval is that deposition occurred during a time of transgression and active rifting, in an oxic to dysoxic deep marine setting. The depositional setting and controls of deposition in the Middle to Upper Jurassic is still poorly understood, as few studies have evaluated this time interval from the basin evolution point of view. Throughout the Hammerfest Basin, the Fuglen and Hekkingen formations display great variability, both in facies and distribution. This study aims to improve the understanding of the depositional setting, the palaeogeography and the controlling factors on the lateral and vertical variabilities of the Middle to Upper Jurassic interval in the Hammerfest Basin. This will be achieved by integrating 2D and 3D reflection seismic with core descriptions and petrophysical data. Preliminary interpretations indicate a more hetereogeneous and complex depositinal setting, and possibly a less deep basin than previously assumed for the Middle to Upper Jurassic interval of the Hammerfest Basin.


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