Supercritical CO2 injection in moderate-tight hydrocarbon reservoirs, a preliminary case study

Veres, Gábor Pál (2022) Supercritical CO2 injection in moderate-tight hydrocarbon reservoirs, a preliminary case study. SCIENTIA ET SECURITAS, 3 (3). pp. 176-184. ISSN 2732-2688

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Abstract

The research deals with the investigation of one alternative of carbon-dioxide utilization – underground storage – from a petroleum geoscience point of view. The basic assumptions and the results of the laboratory studies to be carried out later are based on a specific hydrocarbon field in Hungary. The previously measured and studied geo- logical and petrophysical parameters of the reservoir (porosity, permeability, saturation, capacity, etc.) will be restudied and specified, based on the results of the new concept of laboratory experiments. By defining these parameters, a 3D geological model, a “Dynamic model” will be created to understand the effect of carbon-dioxide injection on the dynamic behavior of a moderate-tight sandstone reservoir. Based on the results of the dynamic model, the storage capacity will be defined. The carbon-dioxide injection laboratory experiments will contribute to understanding these underground geo-chemical reactions (e.g. carbonation ability, compositional variation) and flow characteristics.

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