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The global energy sector from a subsurface perspective

Exploration Opportunities

Norwegian Barents Sea: The Norsel High

Paolo Esestime, Spectrum
Figure 2: Map showing seismic location, hydrocarbon discoveries and main geological structures. New prospects generated in the Norsel High The new-found prospectivity in the Norsel High rejuvenates the established oil…

Deepwater West African 3D Seismic

Chris Irons and Richard Bray, SAER Ltd; Peter Abrahamson, Geoex Ltd.
Figure 1: (a) Geoex 3D surveys in Equatorial Guinea. (b) Map of recently awarded blocks offshore Equatorial Guinea and São Tomé and Príncipe. Exploring Equatorial Guinea’s distal hydrocarbon systems New…

Exploring West of Shetland: the northern Flett Sub-Basin

Alex Birch-Hawkins, Ashleigh Hewitt, James Clarke, Dr. Jennifer Halliday and Will Bradbury; TGS.
Prospectively in the West of Shetland region  Prospectivity redefined with recent 3D seismic in this underexplored region. Since 1972, 151 exploration wells have been drilled West of Shetland and discoveries…

The East Shetland Platform

Stefano Patruno and Christine Roche, Petroleum Geoservices Ltd.
PGS has provided a number of extractions from its 3D multi-client library on the ESP to provide well ties for the UK Oil and Gas Authority’s recently acquired 2D lines, which will be…

New light on Northern Argentina

Hannah Kearns, Karyna Rodriguez and Steve Devito, Spectrum
Map showing Argentina deepwater survey outline. A hibernating giant? The new long-offset data reveals insights into crustal architecture. Northern Argentina has a continental volcanic rifted margin, segmented by major transfer…

Brazil regional prospectivity: highlights for future rounds

Karyna Rodriguez, Neil Hodgson & Richie Miller; Spectrum.
Prospectivity highlights of open blocks in Brazil main basins Foz do Amazonas Basin Foz do Amazonas is the most northern of the Brazilian equatorial margin basins. The ANP 11th Round…

Revealing future opportunities within the Southern MSGBC Basin

Nick Cameron and Andy Carr, First Exchange Corporation; Ben Sayers, TGS
Exploration Potential in the Southern MSGBC Basin A new study reveals the plays and opportunities that abound in this exciting region This article supplies the geological rationale for the review,…

Australia: New imaging of the vulcan sub-basin

Tony Pedley, Polarcus; Richard Palmer, Polarcus Geophysical Consultant
The Vulcan Sub-basin The Cygnus survey is located in the southern Vulcan Sub-basin, one of the most prospective areas of the Bonaparte Basin, containing oils that are normally very light.…

Refining exploration opportunities in Mexico

Brian W. Horn, Andrew Hartwig, Jeff Faw, Ika Novianti, Antara Goswami and Adrian McGrail, ION
Detail a). For location see main seismic panel above. Detail b). For location see main seismic panel above. Detail c). For location see main seismic panel above. Detail d). For…

Sergipe Basin: Undrilled potential surpasses giant offshore discoveries

Karyna Rodriguez, Mike Saunders, Neil Hodgson and Laurie Geiger, Spectrum
Figure 1: Spectrum seismic data and 2017 blocks. Figure 2: Constrained gravity model. Sergipe Basin Potential Revealed Integration of key data has resulted in a better understanding of the petroleum…

High-Resolution Model Building in a Full-Azimuth Nodal Survey

Sandip Chattopadhyay, Gary Rodriguez, Tefera Eshete and Guy Hilburn; TGS
The velocity variation in the trench before and after the high-resolution tomography. Red line indicates the location of the line in Figure 2 on page 40. High-Resolution Image-Guided Tomography High-resolution image-guided tomography…