Compositional Simulation of the Effect of Water Injection on Gas Condensate Reservoir Performance
Journal Title: JOURNAL OF ADVANCED RESEARCH IN PETROLEUM TECHNOLOGY & MANAGEMENT - Year 2019, Vol 5, Issue 1
Abstract
It is well recognized that the liquid dropout in the reservoir from a gas condensate reservoir below dew point pressure does not only reduce the ultimate recovery of gas, but can also reduce the gas well deliverability. Therefore, enhancing the ultimate gas recoveries is the major challenge for reservoir engineers during development of gas condensate reservoir. In this research, the importance of water injection on the performance of gas condensate reservoir was studied through fine gridded compositional simulation models. It was discovered that water drive can significantly increase the ultimate gas recoveries of a gas condensate reservoir. The study did not include the economic analysis. However, comparison of ultimate gas recoveries and field production time of different operations were made for feasibility analysis. The performance of gas condensate reservoir under water injection was found to have similar behavior with increasing injection rate. The injection rate of -50% water injection case showed better pressure maintenance and recovery. Furthermore, in this research, total liquid recovery was increased from 4% for natural depletion to 15.4% for -50% water INJ case throughout the producing life and gas recovery was increased to 84% from 62% by injecting water. The maximum wellhead injection pressure of 4891.5psi was obtained from this study. The ultimate aim of maintaining the reservoir pressure slightly above dew point pressure to avoid producing liquid was achieved. The highest recovery was achieved at the 2122 day of water injection
Authors and Affiliations
Princewill Ikpeka, Nkemakolam Izuwa, Christian Omeh
Keywords
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