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.
Estimating falls under the broader heading of Cost Engineering but comes at the bidding stage of projects to provide an evaluation of the possible cost of a future contract. An Estimator or Estimating Engineer will review the cost of all elements of the project in order to establish the requirements for resources, funding, budget control and revenue generated.