ДОСЛІДЖЕННЯ ТЕОРЕТИЧНИХ ПЕРЕДУМОВ РОЗРОБЛЯННЯ МЕТОДОЛОГІЇ ФОРМУВАННЯ БАГАТОПЛАСТОВИХ ПОКЛАДІВ ПІДЗЕМНИХ ГАЗОВИХ СХОВИЩ

Abstract

In this paper the authors solve the problem of developing the concept of the operation and development of underground gas storage facilities. For this purpose, an analysis of operating PSG given the complex lithology gascontaining collectors, multilayer objects. It is shown that the interpretation of geological and industrial materials as a result of treatment fields is complicated by lack of baseline data, and this leads to poor forecasting of the basic indicators generated by underground gas storage facility. It was studied that the reservoir pressure reduction change of structures in deposits and reservoirs, the change of gas-saturated spatial volume, movement and lifting of contour and formation waters occur. To improve the forecasting, four data categories were identified: geological, geophysical, hydrogeological and gas-dynamic. Different mathematical models used in the development of underground storage modes were analyzed. Along with the gas-dynamic modeling the rapid assessment of gas reserves in the producing horizons was performed based on drainable and nondrainable gas volumes on parts of gas deposits, as well as storage in general. Thus, the creation of underground gas storage in depleted gas-bearing aquifers or at the stage of industrial drilling should be carried out geological model of the object. Such refinement can determine reservoir and filter capacitor quality producing formation, the behavior of the water system, as well as the dynamics of gas-contact motion to underground gas storage facilities.