Neonor2, neotectonics in Nordland - implications for petroleum exploration

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INFO APRIL 2015

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W W W E VISIT FOR M .NGU.NO O RE I N FO

NEONOR2, NEOTECTONICS IN NORDLAND – IMPLICATIONS FOR PETROLEUM EXPLORATION Fig.1. Map of northern Nordland, the NEONOR2 study area, displaying indicators of neotectonic activity and related features. Earthquakes with M> 2.5 are shown together with present-day uplift contours. Pleistocene sediment redistribution is evidenced by the thickness of Naust Formation, subcropping underlying units, the catchment area of glacial erosion (green dashed line), the present shelf edge (blue line marks) and zones of deep weathering. Exploration licenses within the offshore erosion area are shown in orange and grey.

The Geological Survey of Norway (NGU) is carrying out a new geophysical research project investigating the present-day and palaeo stress and strain fields around the Vestfjorden Basin in northern Nordland. This region is the seismically most active in mainland Norway and exhibits particularly irregular patterns of uplift and young (mainly Pleistocene) exhumation, which in turn have effects on geohazards and hydrocarbon reservoir integrity. The coinciding patterns of sediment loading/unloading and compressional/

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tensional earthquakes indicate that there is a causal relationship between the two phenomena (Fig. 1). NEONOR2 is a collaboration between NGU, The Norwegian Mapping Authority (Kartverket), NORSAR, the University of Bergen (UiB), the University of Luleå, NORUT and The Norwegian Petroleum Directorate (NPD). This project is part of the PETROMAKS2 program of the Norwegian Research Council and co-sponsored by eleven industry partners.

MORE INFORMATION?

ODLEIV OLESEN

SOFIE GRADMANN

MARIE KEIDING

Team Leader, Continental Shelf Geophysics odleiv.olesen@ngu.no Tel: +47 990 91 743

Reseacher, Continental Shelf Geophysics sofie.gradmann@ngu.no Tel: +47 73 90 44 60

Reseacher, Continental Shelf Geophysics marie.keiding@ngu.no Tel: +47 73 90 44 88


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