CRUDE Oil is a combination of natural hydrocarbons, which is refined to diesel, jet fuel, kerosene, gasoline, heating oil, and many other products called petrochemicals. Crude oils are named according to their origins and contents, also classified according to their unit weight and gravity. Heavier crude produce more heat upon burning; however, it has lower API gravity and market price in comparison to light crude such as Bonny Light Crude Oil.
Crude Oil also known as Petroleum, is an essential liquid found within the Earth, which comprised of organic compounds, hydrocarbons and small quantity of metal. Although hydrocarbons are the primary component of crude oil, their composition often varies from about 50% to about 97% depending on the nature of crude oil and the extraction method used. Organic compounds such as oxygen, nitrogen, and sulfur usually form about 6%-10% of crude oil whereas metals like vanadium, copper, nickel and iron typically account for below 1% of the total composition of Crude Oil.
Drilling method is not a very difficult process, however; a regular procedure has already been developed for maximum efficiency. The initial process involves drilling the ground in the correct location where the crude oil is sited. When a steady flow is identified at a particular distance downward below the ground then a perforating-gun is lowered down the oil well.
A perforating gun usually has explosive charges in it, which allow crude oil to flow through holes in the casing up the well. The final step is the placement of a structure popularly called a Christmas tree, which allows crude oil workers to be in control of the flow of oil from the well.
The current rate of global oil consumption is estimated that worldwide oil reserves will drastically reduced by 2039.