Abstract
It is shown that along with other geoinformation methods, one can also use the value of the Chenon entropy to assess the maturity of oil fields. It was found that in the series of naphthides natural gas →gas condensate → associated gas → oil, entropy increases, while geoecological syntropy decreases. It is curious that for natural gas H = 0.41, which indicates a high degree of freedom of the gas phase, while for oil the entropy and syntropy are approximately equal, which indicates that when oil is formed in a trap mainly from the mantle of a high-energy liquid, the structural formation organization is in equilibrium.
Highlights
Naphthides are in separate places of the Earth in gas, liquid, semi-solid and solid states or in the form of their mixture
It is shown that along with other geoinformation methods, one can use the value of the Chenon entropy to assess the maturity of oil fields
It is curious that for natural gas H = 0.41, which indicates a high degree of freedom of the gas phase, while for oil the entropy and syntropy are approximately equal, which indicates that when oil is formed in a trap mainly from the mantle of a high-energy liquid, the structural formation organization is in equilibrium
Summary
Naphthides are in separate places of the Earth in gas, liquid, semi-solid and solid states or in the form of their mixture. Gaseous naphthides are natural gas, gas condensate and associated gas [1]. Natural gas or fossil gas is a natural mixture of hydrocarbon gas, consisting mainly of methane, but usually containing various amounts of other low molecular weight alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide or helium. Natural-gas condensate, called natural gas liquids, is a low-density mixture of hydrocarbon liquids that are present as gaseous components in the raw natural gas produced from many natural gas fields. Associated petroleum gas is a natural hydrocarbon gas dissolved in oil or located in “caps” of oil and gas condensate fields. Many associated gases, depending on the field, contain non-hydrocarbon components: hydrogen sulfide and mercaptans, carbon dioxide, nitrogen, helium and argon
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