The problem of oil-gas formation may be based on a fluid-dynamic model: (1) the Earth crust and the upper mantle have alternate zones of consolidation and unconsolidation; (2) latter represent reservoir of natural rock solutions and melts (NRSM). Oil and gas, as the system of HC solutions, are the low-temperature NRSM; (3) NRSM are increased in volume with rise of temperature and pressure and become extremely mobile and can break to the upper part of the basin. The process of oil-gas generation is a self-developing, auto-fluctuating one, accompanying the sedimentary rock formation. Accumulation and unloading energy in basins result in 'chain' reactions. Rising fluids realize heating of the upperlying beds and are as vertical of oil and gas. The more energetic and prolonged the subsidence of the basin, the higher temperature the upgoing heat flow will have and the more energetic will be the process of oil and gas formation.The new offered types of oil- gas-bearing basins are based on the character of fluid-dynamic regimes. Poly-genic type includes basins with mighty upgoing flow of highly heat fluids, high grade of hydrocarbon potential realization and mixed oils. They have several levels of generation source distribution and multifloor oil and gas fields. All basins-gigantic are associated to poligenic type: basins of Persian Gulf, Mexican Gulf, West-Siberian, North Caspian, Middle Caspian, South Caspian, Timan-Pechora, North Sea and many others.The second type is monogenic basins which are connected with small troughs. A source of heat energy is situated in the basement. They have one generation sequence in the lower part. Oils are correlated with geo-chemical type of initial organic matter. Examples-rift basins of Suez Gulf, Jeanne d'Arck, Pripyat, some East Siberia basins and others.The third type is crypthogenic basins. Their more subsided part with sources of generation is concealed by basement plates napped on them and there we can find big fields. Small oil and gas fields distributed in the top of allohthon plates. Their formation is connected with vertical IIC migration. Basins of this type are supposed under Nept and Tartar domes, under Karpinsky, Timan and Dobrudga ridges, under southern margin of Moscow.
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