Enhanced Oil Recovery: Field Planning and Development Strategies

by Vladimir Alvarado, Eduardo Manrique

Overview

Enhanced-Oil Recovery (EOR) evaluations focused on asset acquisition or rejuvenation involve a combination of complex decisions, using different data sources. EOR projects have been traditionally associated with high CAPEX and OPEX, as well as high financial risk, which tend to limit the number of EOR projects launched. In this book, the authors propose workflows for EOR evaluations that account for different volumes and quality of information. This flexible workflow has been successfully applied to oil property evaluations and EOR feasibility studies in many oil reservoirs. The methodology associated with the workflow relies on traditional (look-up tables, XY correlations, etc.) and more advanced (data mining for analog reservoir search and geology indicators) screening methods, emphasizing identification of analogues to support decision making. The screening phase is combined with analytical or simplified numerical simulations to estimate full-field performance by using reservoir data-driven segmentation procedures.

Product Details

ISBN-13:	9781856178556
Publisher:	Elsevier Science
Publication date:	06/02/2010
Pages:	208
Product dimensions:	5.90(w) x 9.10(h) x 0.70(d)

About the Author

Vladimir Alvarado é professor associado de Química e Engenharia de Petróleo na Universidade de Wyoming. É mestre em exploração e produção (IFP School – Paris) e PhD em Engenharia Química pela Universidade de Minnesota.

Eduardo Manrique é Diretor da área de Engenharia de Reservatórios na Tiorco Inc., PhD em Química pela Universidad Central de Venezuela.

Table of Contents

Preface vii

Introduction ix

1 Reservoir Development Plans 1

2 Enhanced Oil Recovery Concepts 7

2.1 Introduction 7

2.2 What Is Enhanced Oil Recovery? 8

2.3 Enhanced Oil Recovery Methods 11

3 Simulations and Simulation Options 17

3.1 Introduction 17

3.2 A Simulation Model 18

3.3 Objectives of Simulations 20

3.4 Analytical Simulations 21

4 Screening Methods 43

4.1 Introduction 43

4.2 Conventional Screening 44

4.3 Geologic Screening 53

4.4 Advanced EOR Screening 64

5 Evaluating Soft Issues 81

5.1 Introduction 81

5.2 Injection Fluids 82

5.3 Carbon Dioxide 83

5.4 Geographic Location 84

5.5 Other Soft Issues 86

6 Economic Considerations and Framing 91

6.1 Introduction 91

6.2 Framing Decisions 91

6.3 Economic Evaluations 100

6.4 CO₂-EOR Storage as It Relates to Costs 106

6.5 EOR Incentives 109

7 Methodology 113

7.1 Introduction 113

7.2 Evaluating Soft Issues 117

7.3 Predicting Performance 117

7.4 Economics 117

7.5 Field Cases 118

8 EOR's Current Status 133

8.1 Introduction 133

8.2 EOR by Lithology 136

8.3 Offshore versus Onshore EOR 153

9 Closing Remarks 157

References 159

Index 187

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