Kondrat O. Applied and theoretical fundamentals of improving the efficiency of depleted gas and oil fields further development

The thesis is devoted to the development of new and improvement of existing technologies of increasing the degree of recovery and current gas, oil and gas-condensate from the depleted fields of natural hydrocarbons. The analytical dependence of the current reservoir pressure in the gas field was proposed based on the near bottomhole zone characteristics of the reservoir and technological schedule of the wells and gas gathering system operation. The mathematical model of interaction between zones with different permeability in depleted gas field and gas migration between them was developed. The inverse problem of the theory of natural gas field development was formulated and solved, which allows to estimate outbalance gas reserves in substandard collectors. The basic regularities of the trapped gas recovery process from watered gas fields with maсroheterogeneous collectors were determined.