(EnergyAsia, February 9 2011, Wednesday) — US energy major Chevron Corporation said its Australian subsidiary has signed a 20-year sales and purchase agreement with Japan’s Kyushu Electric Power Co for a portion of Chevron’s offtake of liquefied natural gas (LNG) from the Gorgon project in Western Australia state. The Fukuoka, Kyushu-based power supplier will receive…