Agence France-Presse: US energy giant Chevron on Thursday signed a preliminary agreement with Poland's PGNiG to join forces on shale gas exploration in southern Poland, the firms said.
"Both parties could profit from sharing the exploration risk and from reduced costs, including the potential cost of developing the reserves," PGNiG acting CEO Jerzy Kurella said in a joint statement.
The announcement comes weeks after Poland said it would begin commercial production of shale gas next year, making it the first European...