STUDY OF THE APPLICATION OF SUPERCRITICAL CO₂ FOR MODIFYING THE PROPERTIES OF FRACTURED–POROUS RESERVOIRS
Received: 2026-06-21 12:29:15
Published: 2025-12-21
Abstract
Understanding the mechanisms of hydrocarbon formation is essential for assessing the prospects of further development of Uzbekistan’s oil and gas resources. The biotic theory explains the origin of petroleum by the transformation of organic matter; however, a number of modern observations have stimulated interest in abiogenic models of deep synthesis. This paper examines geological and petrographic data on Paleozoic and Mesozoic complexes of Uzbekistan, analyzes the differences in properties of shales and terrigenous rocks, and evaluates the prospects of using supercritical CO₂ to modify their filtration–capacity structure. The results of laboratory studies are presented, comparisons with international experience are made, and the specific features of CO₂ application in enhanced oil recovery technologies are discussed. It is concluded that CO₂ demonstrates high efficiency at low temperatures and the ability to create a more developed fracture system compared to traditional methods.
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