Kosmos Energy announces significant gas discovery offshore Senegal
Published by Angharad Lock,
Digital Assistant Editor
Hydrocarbon Engineering,
Kosmos Energy has announced that its Guembeul-1 exploration well, located in the northern part of the St. Louis Offshore Profond license area in Senegal, has made a significant gas discovery.
Located approximately 5 km south of the basin-opening Tortue-1 gas discovery (renamed Ahmeyim) in approximately 2700 m of water, Guembeul-1 was drilled to a total depth of 5245 m. The well encountered 101 m (331 ft) of net gas pay in two excellent quality reservoirs, including 56 m (184 ft) in the Lower Cenomanian and 45 m (148 ft) in the underlying Albian, with no water encountered.
Based on the integration of the Guembeul-1 well results, our Pmean gross resource estimate for the Tortue West structure has increased to 11 trillion ft3 from 8 trillion ft3 as a result of greater reservoir (net to gross) confidence in the Cenomanian, as well as the inclusion of volumes in the Albian. Accordingly, the Pmean gross resource estimate for the Greater Tortue Complex has increased to 17 trillion ft3 from 14 trillion ft3.
“We are pleased to have delivered another major discovery with our first exploration well offshore Senegal. Guembeul-1 confirms the presence of a world class gas resource that extends into both Senegal and Mauritania. With our successful appraisal program and support of both governments, the initial gas development is gaining momentum,” said Andrew G. Inglis, Chairman and CEO. “The Guembeul-1 well continues our 100% success rate in the outboard Cretaceous petroleum system offshore Senegal and Mauritania, which we believe is a strategically important new oil and gas province and we are focused on unlocking the basin’s full potential.”
The Atwood Achiever drillship will now proceed to Mauritania to drill the Ahmeyim-2 delineation well in the southern part of Mauritania’s Block C-8. This will test the downdip limits of the field and is expected to complete appraisal of the Tortue West structure.
Kosmos holds a 60% interest in the Guembeul-1 well, along with Timis Corporation Limited at 30% and Petrosen at 10%. Since 2014, Kosmos has held rights to conduct exploration in the St. Louis Offshore Profond and Cayar Offshore Profond license areas under production sharing contracts with the Government of Senegal.
Edited from press release by Angharad Lock
Read the article online at: https://www.hydrocarbonengineering.com/gas-processing/27012016/kosmos-energy-announces-significant-gas-discovery-offshore-senegal-1996/
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