Banpu Public Company Limited (SET:BANPU) acquired 10.24% Stake in Portfolio Shale Gas Tenements In Pennsylvania from Chief Exploration & Development LLC for $63 million on January 13, 2017. Kalnin Ventures LLC represented Banpu Public Company Limited for the transaction. Banpu Public Company Limited (SET:BANPU) completed the acquisition of 10.24% Stake in Portfolio Shale Gas Tenements In Pennsylvania from Chief Exploration & Development LLC on January 13, 2017.