The attached article printed today makes a good read as to whats needed to be commercially viable. It would appear 3tcf is the bench mark, this can be from multiple wells.If Meo get there 5tcf then it is game on. Exciting times ahead.
http://www.proactiveinvestors.com.au/companies/news/33368/kenyan-minister-says-offshore-gas-find-encouraging-but-not-commercial-33368.html