Australia’s upstream company HP Billiton Limited and joint venture partner Esso Australia Resources Pty Ltd have signed a non-binding Memorandum of Understanding (MOU) with TXU Electricity Ltd (TXU) for the sale of Gippsland gas. The MOU is subject to a number of conditions. It covers the sale of 860 petajoules (p/j) of Gippsland gas to…