TECHNICAL AND ECONOMIC ASPECTS OF MONITORING CO₂ DISTRIBUTION IN GEOLOGICAL STRUCTURE USING GRAVIMETRIC METHODS

Abstract

The article addresses the reduction of carbon dioxide (CO_2) emissions by placing them in geological structures. The technical and economic aspects of monitoring the distribution of carbon dioxide in geological structures, including technical, economic and environmental issues related to long-term storage of CO_2 in geological formations, are studied. The need to ensure the reliability of carbon dioxide disposal and control their condition in the layers of the underground storage is considered. The main aspects of monitoring the distribution of carbon dioxide in the geological structure by gravimetric methods, including by the volume of the structural trap during its disposal, are studied. The article studies the features of the distribution of carbon dioxide in the reservoir with the initial saturation of the reservoir with low-density reservoir fluid and the possibility of activating gas-dynamic risks. The issue of the distribution and rate of distribution of carbon dioxide by the volume of the natural trap is considered. It is substantiated that gravity prospecting monitoring allows tracking the current state of the geological structure into which CO_2 is injected and timely strengthening control over the tightness of old wells during the distribution of carbon dioxide in the area of their location. The possibility of using gravimetric monitoring of the distribution of carbon dioxide in the geological structure is substantiated and the possibility of constructing indicator maps and graphs characterizing the distribution of fluid in the trap is considered.