(EnergyAsia, September 8 2010, Wednesday) — Ghana’s government is believed to be pressing Texas, US-based Kosmos Energy to sell its stake in the country’s new Jubilee oil field to state-owned Ghana National Petroleum Co (GNPC) after successfully blocking a proposed buy-in by ExxonMobil. The potential purchase by GNPC of Kosmos Energy’s 23% stake in Jubilee…