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Monday, October 13, 2014
Polarcus commenting on the recent discovery offshore Senegal made by Cairn Energy and its JV partners said the FAN-1 results were exciting news for companies exploring this northwest African shelf and would make explorers take a new look at the region. The basic play model is similar along the entire paleo continental shelf edge from Senegal to Guinea-Bissau and the discovery proves up the existence of a petroleum system that could open up exploration along the entire coastline, just as the Jubilee oil discovery, the largest oil find offshore west Africa, did for Ghana, Sierra Leone and Liberia in 2007 according to Polarcus.
The firm has two strategically located and brand new 3D multi-client surveys, totaling over 3,350 sq km, on this shelf edge that come firmly into the spotlight on account of the discovery; one in the joint zone between Senegal and Guinea Bissau (the AGC) and the second one offshore Guinea Bissau in Block 7B.
Polarcus said that these modern multi-client projects were both acquired by the technologically advanced 3D seismic vessel Polarcus Naila in 2012/13, with the final broadband processed data volume delivered in December 2013. Subsequent detailed reconnaissance studies undertaken for Polarcus on the Guinea-Bissau data volume have highlighted several fault controlled fan systems on the shelf edge similar to those in Senegal.
The past challenge for explorers along this coastline has been to prove up the presence and maturity of the proposed Turonian age source rock. The FAN-1 well has demonstrated that the main risk of any source rock being present is very significantly reduced and its presence along the whole coastline can now be proposed with a high degree of confidence, with only its variation in richness and maturity remaining to be estimated.
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