Rialto Energy provides update for Starfish-1 well offshore Ghana

The operator of the area is Ophir Energy. (Image source: Ophir Energy Ltd)The operator of the area is Ophir Energy. (Image source: Ophir Energy Ltd)Rialto Energy Limited has provided an update on the Starfish-1 oil exploration well in the Offshore Accra Contract Area, Ghana

The well will target a large stratigraphic trap in the deep water of eastern Ghana. The area is said to be potentially comparable to the Jubilee oil field in western Ghana.

Operator, Ophir Energy Limited, has estimated mean prospective resources of 292mn barrels of oil equivalent (MMBOE) with a 20 per cent chance of success.

The Starfish prospect is located along the prolific offshore West African Margin and was matured following the reprocessing of original 3D seismic data and the acquisition of a new 3D survey in 2011. The Offshore Accra Contract Area is now covered by quality 3D seismic data.

If a discovery at Starfish-1 confirms a significant petroleum system, a number of other leads and prospects identified on the block will be investigated.

The well was drilled to a depth of 2,627 metres between 19 June 2013 and 25 June 2013 and will take an estimated 40 days to drill to the proposed total depth of 4,560 metres.

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