SOURCE
CIA World Factbook, 28 July 2005

DEFINITION
According to Web definitions the term refers to the total amount of petroleum (oil) discovered in any given oil field or nation. Thus it can be said that Kuwait has xxxx millions of barrels (mb) of oil in the ground. However, the exact amount can never be known, simply because of the difficulty in sensing or "seeing" beneath the surface of the Earth. The term Proven Reserve or PR refers to an amount of oil that is generally accepted by geologists to be the actual amount of petroleum in the ground.

DEFINITION: According to Web definitions the term refers to the total amount of petroleum (oil) discovered in any given oil field or nation. Thus it can be said that Kuwait has xxxx millions of barrels (mb) of oil in the ground. However, the exact amount can never be known, simply because of the difficulty in sensing or "seeing" beneath the surface of the Earth. The term Proven Reserve or PR refers to an amount of oil that is generally accepted by geologists to be the actual amount of petroleum in the ground.

SOURCE: CIA World Factbook, 28 July 2005