«Proceedings of Gubkin University»

Design of carbon dioxide injection technologies as methods for enhancing oil recovery, using the example of fields in the Perm region

UDC: 622.276.6
DOI: 10.33285/2073-9028-2023-4(313)-55-68

Authors:

¹ LUKOIL Engineering, Perm, Russian Federation

Keywords: carbon dioxide, decarbonization, miscible displacement, hydrodynamic model, Todd – Longstaff model, enhanced oil recovery, area CO2 injection, additional oil production

Annotation:

This article discusses various approaches to the use of carbon dioxide for the purposes of enhanced oil recovery, as well as partial utilization as part of a decarbonization strategy. The main technologies of CO2 injection into the reservoir are considered, and areal injection into injection wells of oil fields of the Perm region is chosen as the main technology. Based on the analysis of world experience, criteria for the applicability of areal CO2 injection technologies is formed, a review of potential sources of CO2 emissions and the selection of a potential object for areal injection is carried out. Considering laboratory studies, calculations are carried out on a geological and hydrodynamic model using the Todd – Longstaff model. Based on the calculation results, the effectiveness of using aluminum dioxide for EOR purposes is confirmed. The optimal conditions for the location of injection sites are determined to achieve additional oil production, as well as to reduce premature breakthroughs of injected gas. Additionally, the main problems in the implementation of area injection are highlighted and ways to solve them are proposed.

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