Thesis Abstract

Abstract
Enhanced Oil Recovery (EOR) techniques have become increasingly important in the petroleum industry, especially for mature oilfields where conventional recovery methods have been insufficient. This thesis presents a comprehensive comparative study of various EOR techniques applicable to mature oilfields, aiming to analyze their effectiveness, advantages, and limitations. The research focuses on evaluating the performance of different EOR methods in enhancing oil recovery rates, optimizing production, and extending the economic life of mature oilfields. The study begins with a detailed introduction to the significance of EOR techniques in the context of mature oilfields, highlighting the challenges faced by the industry and the increasing demand for efficient recovery methods. The background of the study provides a comprehensive overview of the historical development of EOR techniques and their evolution over time. This sets the stage for understanding the current state of EOR applications in mature oilfields. The problem statement addresses the critical issues faced by operators in maximizing oil recovery from mature fields and the need for innovative EOR solutions. The objectives of the study are outlined to compare and evaluate the performance of different EOR techniques, identify key factors influencing their success, and provide recommendations for practical implementation in mature oilfields. The limitations of the study are acknowledged, including data availability constraints, technical complexities of EOR methods, and the inherent uncertainties associated with field-scale applications. The scope of the study defines the boundaries within which the research is conducted, focusing on specific EOR techniques and case studies of mature oilfields. The significance of the study lies in its potential to contribute valuable insights to the petroleum industry, guiding decision-makers in selecting the most suitable EOR techniques for maximizing oil recovery from mature fields. The structure of the thesis is outlined to provide a roadmap for navigating through the research findings, analysis, and conclusions. The literature review explores existing knowledge and research on EOR techniques, covering a wide range of methods such as thermal, chemical, and miscible gas injection. The research methodology outlines the approach taken to collect and analyze data, including case studies, simulation models, and field trials. The discussion of findings delves into the comparative analysis of different EOR techniques, highlighting their performance metrics, cost-effectiveness, and environmental impacts. The conclusions drawn from the study emphasize the key factors influencing the success of EOR applications in mature oilfields and provide recommendations for future research and industry practices. In summary, this thesis offers a comprehensive examination of Enhanced Oil Recovery techniques for mature oilfields, providing valuable insights into the effectiveness and feasibility of different methods. The findings contribute to the optimization of oil production in mature fields, ensuring sustainable resource utilization and economic viability for the petroleum industry.

Thesis Overview

The project titled "Enhanced Oil Recovery Techniques for Mature Oilfields: A Comparative Study" aims to investigate and compare various enhanced oil recovery (EOR) techniques specifically tailored for mature oilfields. Mature oilfields, characterized by declining production rates and increasing water cut, present unique challenges that require innovative EOR strategies to maximize oil recovery. This research seeks to address these challenges by evaluating the performance, economic feasibility, and environmental impact of different EOR methods in mature oilfields. The study will begin with a comprehensive literature review to explore existing EOR techniques such as chemical flooding, gas injection, thermal methods, and microbial EOR. By comparing the efficacy of these methods in mature oilfields, the research aims to identify the most suitable EOR technique based on factors such as oil viscosity, reservoir characteristics, and production history. The research methodology will involve field data analysis, reservoir simulation, and economic modeling to assess the impact of each EOR method on oil recovery, cost-effectiveness, and environmental sustainability. Field case studies and numerical simulations will be conducted to validate the findings and provide practical insights for industry application. The discussion of findings will present a detailed analysis of the performance of each EOR technique in mature oilfields, highlighting the key factors influencing their success and limitations. The study will also address technical challenges, operational considerations, and best practices for implementing EOR projects in mature reservoirs. In conclusion, this research will provide valuable insights into the selection and optimization of EOR techniques for mature oilfields, offering guidance to oil and gas operators seeking to enhance oil recovery and extend the productive life of their assets. By comparing different EOR methods and evaluating their effectiveness in mature reservoirs, this study aims to contribute to the advancement of sustainable and efficient oil recovery practices in the petroleum industry.