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.
Mechanical engineering is a discipline that deals with the design, analysis, manufacturing, installation, operation and maintenance of engines, machinery and tools. It involves the application of principles such as materials science, physics, thermodynamics and more. In an industry such as oil and gas, mechanical engineering can work with a wide variety of machines, tools and mechanical systems.