Zhykalyak M. Geological factors of forming collectors properties of sandstones at the southwest part of Donbas.

3The dissertation is devoted to questions of forming, conformity with a laws of change and forecasting of collector properties and gas saturation of sandstones at southwest part of Donbas. The conformity with a laws of change of collector properties sandstones under action of tectonics and lithostatical pressure are established. The influence of compound of material structure and structural characteristics of sandstones on them collectors property is determined. Is proved and the settlement method of definition of meanings maximal potential gas saturation in sandstones, depths of deposited sandstones with maximal potential gas saturation and depths of absence gas saturation in sandstones is developed. On the basis of the received scientific results the complex approach prognosis of an estimation gas saturation sandstones with a porosity collector and definition of perspective sites and thickness for preliminary degassing and production methane is offered.