Enhanced Oil Recovery Techniques for Mature Oilfields: A Comparative Study

Thesis Abstract

Abstract
This thesis focuses on the investigation and comparison of enhanced oil recovery (EOR) techniques for mature oilfields, aiming to improve production and extend the economic viability of these assets. The study evaluates various EOR methods, including chemical, thermal, and gas injection techniques, to determine their effectiveness in enhancing oil recovery rates from mature oilfields. The research methodology includes a comprehensive literature review, field case studies, and simulation modeling to analyze the performance of different EOR methods in mature oilfield settings. Chapter One provides an introduction to the research topic, discussing the background of the study, problem statement, objectives, limitations, scope, significance, structure of the thesis, and definition of key terms. The chapter sets the stage for the investigation into EOR techniques for mature oilfields. Chapter Two presents a detailed literature review that examines existing studies on EOR methods, focusing on their application in mature oilfields. The review covers key concepts, principles, challenges, and recent advancements in EOR technology to provide a comprehensive understanding of the subject matter. Chapter Three outlines the research methodology employed in this study, including data collection methods, analysis techniques, and simulation modeling approaches. The chapter discusses the selection criteria for case studies, data interpretation processes, and modeling assumptions to evaluate the performance of various EOR techniques. Chapter Four presents the findings of the research, highlighting the comparative analysis of different EOR methods in mature oilfield scenarios. The chapter discusses the results of field case studies, simulation models, and performance metrics to assess the effectiveness of each EOR technique in enhancing oil recovery rates. Chapter Five concludes the thesis by summarizing the key findings, implications, and recommendations for future research and industry applications. The chapter discusses the significance of the study in advancing EOR technology for mature oilfields and proposes strategies for optimizing oil recovery and maximizing asset value in these challenging environments. Overall, this thesis contributes to the body of knowledge on EOR techniques for mature oilfields by providing valuable insights, comparative analysis, and practical recommendations for oilfield operators, engineers, and researchers seeking to improve production efficiency and economic sustainability in mature oilfield developments.