CAMAC Energy Gambia awarded Polarcus a contract to acquire a 3D seismic survey offshore Gambia, West Africa.
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The Cajun Express. From FAR. |
The surveys will cover approximately 1504sq km in Camac’s A2 and A5 blocks located in the offshore Casamance sub-basin, which forms the southern part of the greater Senegal basin.
Camac says the 3D seismic is to enhance the definition and maturation of potential prospects in the blocks and provide high-quality subsurface images that allow high-resolution characterization of reservoirs.
The southern area, including blocks A2 and A5, now has a proven petroleum system in place due to two recent discovery wells on an adjacent offshore Senegal block.
According to Camac, the recent FAN-1 and SNE-1 offshore Senegal discoveries, by Cairn, Conoco, FAR and Petrosen are on-trend with Camac’s A2 and A5 blocks and are located approximately 35.5km north-northeast and 13.8km north-northwest, respectively, of Block A2. The 3D seismic survey will help determine the extent of the play fairways into Camac’s blocks.
“This 3D acquisition is an important part of our offshore Gambia exploration program. We are encouraged by the recent discoveries north of us and excited that we are able to contract with Polarcus,” says Segun Omidele, Camac Sr. VP of exploration and production. “Given their in-place infrastructure, we are able start almost immediately with the 3D seismic acquisition.”
In November, Cairn’s confirmed an oil find at its SNE-1 well offshore Senegal, however the company said a deeper target was dry. Oil was discovered in the upper Clastic target, but no hydrocarbons were subsequently encountered in the deeper target of karstified and fractured Lower Cretaceous shelf carbonates. Following completion of logging operations the well will be plugged and abandoned.
In October, Cairn’s deepwater FAN-1 well found an oil discovery that the company says has the potential to be a significant standalone development. The Cajun Express semisubmersible reached a target depth of 4927m, targeting multiple stacked deepwater fans. It discovered 29m of net oil bearing reservoir in Cretaceous sandstones. Initial gross STOIIP estimates for the FAN-1 well range from P90, 250MMbbl, P50, 950MMbbl to P10, 2.5 billion bbl and are broadly in line with pre-drill STOIIP estimates.
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