Harvesting an abundance of oil and natural gas resources, the Middle East supplies nearly half of all exports to the global oil market. Middle Eastern countries Iran, Iraq, Kuwait, Qatar, Saudi Arabia and the United Arab Emirates are all members of the Organization of the Petroleum Exporting Countries (OPEC), which pumps roughly 40% of the world's oil, with Saudi Arabia leading the pack for the greatest amount of output. OPEC's crude oil production was 28.7 million barrels per day in the first half of 2009.
The Driller is in charge of the drill crew and ensures the safe completion of all operations on the drill floor including daily preventative maintenance of all equipment. The Driller is responsible for drilling the well within the parameters specified by the operator and maintaining control of the well at all times.