Basin structure and prospectivity of the NE Atlantic volcanic rifted margin: cross-border examples from the Faroe–Shetland, Møre and Southern Vøring basins

John M. Millett*, Ben M. Manton, Dmitrii Zastrozhnov, Sverre Planke, Dwarika Maharjan, Benjamin Bellwald, Laurent Gernigon, Jan Inge Faleide, David W. Jolley, Faye Walker, Mansour M. Abdelmalak, Dougal A. Jerram, Reidun Myklebust, Bent E. Kjølhamar, Jennifer Halliday, Alex Birch-Hawkins

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The NE Atlantic volcanic rifted margins include vast underexplored basin areas neighbouring mature petroleum-producing regions. We appraise the cross-border prospectivity of the outer and central Faroe–Shetland, Møre and southern Vøring basins and present insights from extensive new 3D seismic surveys. Regional seismic surfaces are used to compile a cross-border seismic profile highlighting key discoveries from the UK Rosebank field in the SW to the Norwegian Ormen Lange field in the NE. Cretaceous to Paleocene reservoirs remain the main exploration focus seaward of the platform areas, and the presence of several large untested structures presents important exploration targets in the mid-Norway region. Improved imaging of the areas affected by Paleogene igneous rocks reveals major untested sub-basalt structures including some regions on the marginal highs where the basalt cover has been entirely removed by erosion, revealing sub-basalt stratigraphy and structures with pre-Cretaceous potential prospectivity. The influence of igneous rocks on both discovered and prospective hydrocarbon systems is discussed. Neogene sand injectite fields and Quaternary glacial sand bodies are extremely well imaged in the Møre Basin, documenting shallow prospectivity supported by the presence of successful regional analogue plays. New 3D seismic data are revealing previously unseen pro-spectivity in frontier and underexplored regions.

Original languageEnglish
Pages (from-to)99-138
Number of pages40
JournalGeological Society Special Publication
Volume495
Early online date7 Jan 2020
DOIs
Publication statusPublished - 5 Sep 2022

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