Origin of petroleum
Two theory are available that try to describes origin of petroleum. First on is Inorganic origin theory and second one is organic origin theory. we will discuss each theory briefly one by one in this article.
Inorganic Origin Theory of Petroleum
According to Demitrive Mendelive (1877) metalic carbrides deep within the earth reacted with water to form accetylic (C2H2), This acetylene later condensed to form heavier hydrocarbon, This theory was modified by- Berthelot and Mendeleen.
According to their theory the earth contain Iron Carbide ( Mantle of the earth contain ), IRON Carbide ( Mantle of the earth contain ) Iron Carbide Which reacted (CH4). In recent time Thomas Gold has revived the Inorganic origin of petroleum, According to him:- From the Earliest time there was an inexhaustible store of Hydrocarbon, In the interior of the earth. Gold argued that Meteors contain Inorganic Hydrocarbon, Initially when the earth was very hot and liquid state millions of Meteoroids showered on earth, stretching million of years, This Meteoroids melted and mixed with liquefied layers of earth. As a results all the hydrocarbon within meteoroids mixed and spread all over the liquids layers , When the earth cool later the liquid layers solidified and form different types of rock and it is rock and Hydrocarbon Was Distributed
Organic Origin Theory of Petroleum
According to this theory petroleum originated from the remains of various type of mixture marine floating organism known as plankton. Like the mosses which float on the ponds, Algae mixed with other plants and animals, leaves, spores, pollens etc. floated on the sea after wards countless million of this organism died and sunk to the bottom of the ocean and began to accumulated from 100-1000 years. This types of accumulation continues over the sea floor. Before this remains where decomposed, they were sealed in the mud, anaerobic bacteria acted upon them in the absence of air. There was perhaps some chemical reaction with the salt in the water + weight of the over-line sediment. Converted this mud into shale, this source material of oil was this finally in prison. Due to chemical reaction and action of microbes the accumulated remains of plants and animals were transform into blacking, glue like compact mass known as kerogen. Later due to disturbance in the earth, It went down to greater depths due the pressure and temperature of the earth kerogen was transformed into oil and gas throughout the centuries. In this respect a good co-relation is found between the occurrence of oil with depth. Maximum amount of oil and gas is orginated at a depth of 3000 meter to 5,000 meter respectively. And the temperature remains between 50 degree to 250 degree.
Notes:- Data is collected from various university notebook , different books , e&p websites and person own experience in Industry. Main purpose of this article is to help peoples
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