Subiaco based oil and gas explorer Nuenco NL has increased its exposure to the San Joaquin Basin, California, with the $6.7 million acquisition of a 50 per cent interest in private Canadian oil and gas exploration company Surf Petroleum Inc.

Subiaco based oil and gas explorer Nuenco NL has increased its exposure to the San Joaquin Basin, California, with the $6.7 million acquisition of a 50 per cent interest in private Canadian oil and gas exploration company Surf Petroleum Inc.