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February 18, 2021Journal of Petroleum Exploration and Production TechnologyOpen Access

The effect of chemically enhanced oil recovery on thin oil rim reservoirs

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Authors

OOOluwasanmi OlabodeVOV. O. OgbeborEOE. O. Onyeka

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Overview

Simulation study demonstrates increased oil recovery with surfactant alternating gas in thin oil rim reservoirs, indicating superior performance over single surfactant injection.

Key Points

  • To evaluate the efficacy of chemically enhanced oil recovery strategies, specifically surfactant injection and surfactant alternating gas, in maximizing production from thin oil rim reservoirs prone to coning.
  • Simulated reservoir performance using the Eclipse black oil simulator on a thin oil rim reservoir model based in the Niger Delta.
  • Assessed the effects of surfactant concentration (1% volume), injection timing (at the start versus the middle of production), and surfactant alternating gas scheduling.
  • Surfactant injection at 1% volume initiated at the start and middle of production yielded 3.7 MMstb and 3.6 MMstb, reflecting increments of 6.6% and 6.5% over the no-injection base case, respectively.
  • Surfactant alternating gas injection implemented at the middle of production achieved an overall estimated oil recovery of 10.7%.

Cite This Study

Olabode et al. (2021) studied this question.

synapsesocial.com/papers/6aa2b4c2375ea2a2e2fdd4c7https://doi.org/10.1007/s13202-021-01090-9
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Also Consider

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  3. 3Numerical Simulation of Heavy Oil Recovery for a Niger-Delta Reservoir2024 · 2 citations
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