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- Title
A CASE STUDY OF GAS-CONDENSATE RESERVOIR PERFORMANCE WITH GAS CYCLING.
- Authors
UDOVCHENKO, OLEKSII; BLICHARSKI, JACEK; MATIISHYN, LILIIA
- Abstract
The study examines the application of dry gas injection technology (cycling process) in different depletion stages (25%, 50%, 75%, 100% of the initial reservoir pressure, and the dew point pressure) at a gas condensate field. The injection took place with varying numbers of injection wells relative to production wells (4:1, 3:1, 2:1, 1:1, and 1:2). The study assessed the impact of dry gas injection periods, ranging from 1 to 3 years, on increasing the condensate recovery factor in a real gas condensate reservoir named X. A hydrodynamic model was used and calibrated with historical data, resulting in a comprehensive approach. Compared to the traditional depletion development method, this approach led to a significant 9% rise in the condensate recovery factor. The results indicate that injection has a positive effect on enhancing the recovery factor of condensate and gas when compared to primary development methods based on depletion. As a result, these findings facilitate a rapid evaluation of the possibility of introducing similar measures in gas-condensate reservoirs in the future for reservoir systems that have a low and moderate potential for liquid hydrocarbons C5+. The optimised multidimensional hydrodynamic calculations, utilising geological and technological models, are crucial in determining the parameters for the technological production and injection wells.
- Subjects
GAS condensate reservoirs; GAS reservoirs; INJECTION wells; REAL gases; CYCLING competitions; GAS injection; DEW point
- Publication
Archives of Mining Sciences, 2024, Vol 69, Issue 1, p25
- ISSN
0860-7001
- Publication type
Article
- DOI
10.24425/ams.2024.149825