Maryam Khoshninat Nikoo
Petroleum is derived from Latin word petra, meaning rock or stone, and oleum, meaning oil. Liquid petroleum, or oil, comprises a variety of liquid hydrocarbon compounds; compounds made up of different proportions of the elements carbon and hydrogen. Petroleum source rocks are fine grained sedimentary rocks from which it is difficult to extract large quantities of oil or gas. These rocks are also termed as reservoir rocks. Well testing has progressed to become one ...