the San Ardo Oil Field is the 13th-largest oil field in California, and of the top twenty California oil fields in size, it is the most recent to be discovered?
recovery of the oil in Spraberry Trend, an oil field ranked third in the U.S. by total proven reserves, is so difficult that the area was dubbed "the world's largest unrecoverable oil reserve"?
Question 1: Excess ________ needs to be burned off if there is no way to make use of it, requiring a furnace and stacks, and pipes to carry it from well to furnace.
Question 3: Because the ________ typically extend over a large area, possibly several hundred kilometres across, full exploitation entails multiple wells scattered across the area.