(EnergyAsia, September 27) — China United Coalbed Methane Co. Ltd. (CUCBM) and Canada’s Asia Canada Energy Inc have signed a production sharing contract (PSC) to cooperate in exploiting coalbed methane (CBM) resources in the Baotian-Qingshan area in southwest China’s Guizhou province.             The 947-sq km Baotian-Qingshan block holds estimated CBM reserves of 160 billion cubic…