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.
Piping engineers apply the principles of mathematics, physics and chemistry to assure the design of pipe systems used to convey liquid or gas from one location to another. Specialists in this field may focus on materials, design or stress analysis, and they ensure that piping systems are designed, fabricated, installed, inspected, operated and maintained. This is extremely important to the safety of personnel, public safety, and facility reliability.