Page 6 - Primer on Enhanced Oil Recovery

Contents

About the authors ix

1. Introduction 1

2. Hydrocarbon and oil reserves classification 5
2.1 Definition of hydrocarbon products 5
2.1.1 Natural gas 8
2.1.2 Condensate 9
2.2 Oil reserve classification 9
2.2.1 Basic principles of SPE-PRMS classification in
the assessment of hydrocarbon reserves and resources 14
2.3 Reserve calculation methods 16
2.3.1 Analogy methods 16
2.3.2 Volumetric methods 17
2.3.3 Decline curve analysis 18
2.3.4 Material balance 19
2.3.5 Reservoir modeling (simulation) 20
2.4 Oil recovery factor 21
2.4.1 Regulatory bodies and frameworks 26
3. Basic physical and chemical concepts 27

4. Fluid-rock interaction 33

5. Reservoir mineralogy and rock-fluid interactions 37

6. Introduction to well technology 45
6.1 Well construction elements 46
6.2 Well flushing and drilling fluids 47
6.3 Well completion 48
6.4 Multilateral wells 50
7. Oil recovery stages and methods 53
7.1 Primary recovery 53
7.2 Secondary recovery 54
7.2.1 Waterflooding 54
7.2.2 Gas injection 56
7.3 Why enhanced oil recovery (EOR) methods 58