Enhanced Oil Recovery Techniques in Offshore Reservoirs: A Comparative Study

Thesis Abstract

Abstract
This thesis presents a comprehensive study on Enhanced Oil Recovery (EOR) techniques in offshore reservoirs, focusing on a comparative analysis of various methods to optimize oil production and extend the lifespan of mature fields. The research delves into the challenges faced in offshore oil recovery, the existing EOR techniques, and the potential for improving recovery rates in these complex environments. The study aims to provide valuable insights for the petroleum industry to enhance operational efficiency and maximize oil extraction from offshore reservoirs. The introduction section establishes the background of the study by highlighting the importance of EOR in offshore oil production. It outlines the problem statement, research objectives, limitations, scope, significance, and structure of the thesis. The literature review chapter critically examines existing literature on EOR techniques, including water flooding, gas injection, chemical flooding, thermal methods, and emerging technologies. The review identifies key advancements, challenges, and opportunities in offshore EOR applications. The research methodology chapter details the approach taken to conduct the comparative study, including data collection methods, analysis techniques, and simulation models used to evaluate different EOR strategies. It discusses the selection criteria for offshore reservoirs, simulation parameters, and performance indicators for assessing the effectiveness of EOR techniques. The chapter also describes the simulation software and tools employed to model fluid flow, rock properties, and production forecasts in offshore environments. The findings chapter presents a detailed analysis of the comparative study results, highlighting the performance of different EOR techniques in offshore reservoirs. The discussion covers key factors influencing oil recovery efficiency, such as reservoir characteristics, fluid properties, well configurations, and operational considerations. The chapter explores the strengths and limitations of each EOR method, providing valuable insights for optimizing oil production in offshore fields. In the conclusion and summary chapter, the key findings, implications, and recommendations from the study are summarized. The conclusion highlights the most effective EOR techniques for offshore reservoirs based on the comparative analysis results. It also discusses future research directions, technology advancements, and operational strategies to further enhance oil recovery in offshore environments. Overall, this thesis contributes to the body of knowledge on EOR in offshore reservoirs and provides practical recommendations for industry stakeholders to improve oil extraction efficiency and sustainability. Keywords Enhanced Oil Recovery, Offshore Reservoirs, Comparative Study, Oil Production Optimization, EOR Techniques, Simulation Modeling, Petroleum Industry