Oil drilling produced more than 130 billion gallons of water last year.

The company deployed its second drilling rig in Albania earlier this year.

He said new drilling at Cerro Negro had indicated significant additional resources.

New drilling in the Amazon could happen in early 2014, he said.

Opponents of expanding the drilling area have cited safety and environmental concerns.

Exploratory drilling has not yet begun at the majority of sites however.

The EU, Cyprus and Greece consider the Turkish drilling to be illegal.

Relief well drilling was also suspended pending the pressure test, he said.

The Sabisa-1 well in Ethiopia will start drilling next year, it said.

Green groups also oppose the gas industry efforts to expand offshore drilling.

Schwarzenegger has remained opposed to opening new areas off California to drilling.

A Turkish military official said the drone would escort its drilling ships.

Of course, draconian drilling restrictions are still not the most likely scenario.

But extensive drilling for oil could come at a cost to tourism.

Oil companies involved in offshore drilling operations had challenged the government's moratorium.

Libya has said it is happy for the drilling to go ahead.