| The Peak oil crisis has become a major phenomenon. | | | | increases the cost to produce crude oil. When the cost |
| There is a fall in crude oil exports when domestic | | | | of oil production exceeds the oil's worth then |
| consumption in the oil exporting countries increases. | | | | production is stopped. The drop in the production level |
| Extraction of oil becomes a complicated process and | | | | occurs when Peak oil is reached. |
| there is a decline in worldwide oil production. Oil is | | | | In the year 1956, the renowned geologist, M. King |
| extracted from the surface where it is easier to reach | | | | Hubbert used the logistic theory, which is famously |
| and it can be easily refined. Production of crude oil | | | | known as the Hubbert peak theory (bell curve) to |
| initially starts at a lower level and increases as and | | | | envisage that United States oil production for all the 48 |
| when more oil wells are dug. Crude oil is so significant | | | | states would peak between 1965 and 1970. His |
| that it has a great impact on the economic stability, | | | | prediction was proved right when U.S experienced the |
| food production, transportation and trade. | | | | Peak oil phase in 1970. The crude oil production rate in |
| The Pressure in the older oil wells start declining as | | | | a country or region, which has individual wells, is |
| more water gets mixed along with the oil. To maintain | | | | determined with the help of the Hubbert peak theory. |
| the pressure, oil companies' use advanced and new | | | | The rate of crude oil production in an individual oil field |
| production techniques and they start digging more oil | | | | or rig grows rapidly until it peaks at some point and |
| wells. Shifting from easily sought oil fields to difficult | | | | starts declining. Various political, economic and |
| areas for extraction of crude oil demands more | | | | geological factors influence oil production. Different |
| investment, modern techniques and more engineers. | | | | modified versions of Hubbert theory are applied though |
| The cost of extraction soars high, which ultimately | | | | the fundamental features remain constant. |