oil field. after 100 years all that s left is a super thick stubborn crude. nearly impossible to pump out without steam. replacing steam with high pressure 1,000 feet down. it enters sand stone saturated with heavy hoyle. it moves through that oil, heating it up. reporter: it marries a new technology with an old fuel. for a state short on revenues but rich in sunshine . this is a demonstration project. there is no tax money involved in this green energy. this is all chevron r & d money. the oil is a heavy crude. very hard to get out of the ground. there are other places in the world where that is true as well. so when you use this technology you can get 40% more oil out of ground. it s important in remote areas