| Preface |
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xiii | |
| Acknowledgments |
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xv | |
| Author Biography |
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xvii | |
| Chapter 1 Introduction |
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1 | (4) |
| Chapter 2 Third-Party Damage |
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5 | (22) |
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5 | (1) |
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5 | (18) |
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6 | (1) |
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7 | (7) |
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8 | (6) |
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2.2.3 Burial Depth: Increased Depth of Burial |
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14 | (2) |
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2.2.4 Additional Protection |
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16 | (1) |
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2.2.5 Pipeline Surveillance |
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16 | (2) |
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18 | (3) |
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2.2.7 Right-of-Way Intrusion Detection |
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21 | (1) |
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2.2.8 Notification System |
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21 | (1) |
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21 | (1) |
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22 | (1) |
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2.3 Mitigating Third-Party Damage to Aboveground Pipelines |
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23 | (4) |
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2.3.1 Case Study: Another Sabotage? Gas Pipelines at Tema Torched by Suspected Arsonists |
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24 | (3) |
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2.3.1.1 How Do We Avoid Such Incidents? |
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24 | (1) |
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2.3.1.2 How Do We Fix the Damaged Pipe? |
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25 | (2) |
| Chapter 3 Corrosion |
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27 | (162) |
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27 | (11) |
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3.1.1 Basics of Aqueous Metallic Corrosion |
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27 | (1) |
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28 | (2) |
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3.1.3 Polarization and Corrosion Rates |
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30 | (3) |
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3.1.3.1 Concept of Polarization |
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30 | (2) |
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32 | (1) |
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3.1.3.3 Factors Affecting Corrosion Rate |
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32 | (1) |
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3.1.4 Hydrogen - Release Corrosion and Oxygen-Consumption Corrosion |
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33 | (3) |
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3.1.4.1 Hydrogen - Release Corrosion |
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33 | (1) |
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3.1.4.2 Oxygen-Consumption Corrosion |
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34 | (2) |
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3.1.5 Causes of Corrosion |
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36 | (2) |
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3.1.5.1 Corrosive Environments |
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38 | (1) |
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3.2 External Corrosion Mitigation |
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38 | (56) |
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3.2.1 Materials Selection |
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39 | (5) |
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3.2.1.1 Considerations for Material Selection |
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40 | (2) |
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3.2.1.2 Materials with High Corrosion Resistance |
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42 | (2) |
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3.2.2 Protective Coatings |
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44 | (22) |
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3.2.2.1 Coal Tar and Asphalt Coatings |
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45 | (1) |
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3.2.2.2 Fusion-Bonded Epoxy Coatings |
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46 | (2) |
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3.2.2.3 Polyethylene Coatings |
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48 | (2) |
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50 | (1) |
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3.2.2.5 Epoxy and Urethane Liquid Coatings |
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50 | (1) |
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3.2.2.6 Coal Tar Epoxy Coatings |
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51 | (1) |
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3.2.2.7 Mill-Applied Tape Coating Systems |
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52 | (1) |
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3.2.2.8 Extruded Polyolefin Systems |
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52 | (1) |
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3.2.2.9 Crosshead-Extruded Polyolefin with Asphalt/Butyl Adhesive |
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53 | (1) |
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3.2.2.10 Dual-Side-Extruded Polyolefin with Butyl Adhesive |
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53 | (1) |
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3.2.2.11 Multi-Layer Epoxy/Extruded Polyolefin Systems |
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53 | (1) |
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3.2.2.12 Elastomer Coatings |
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54 | (1) |
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3.2.2.13 High-Temperature Coatings |
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55 | (4) |
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59 | (2) |
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3.2.2.15 Epoxy Phenolic Coatings |
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61 | (1) |
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3.2.2.16 Epoxy Novolac Coatings |
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62 | (1) |
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3.2.2.17 Silicone Coatings |
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62 | (1) |
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3.2.2.18 Modified Silicone Coatings |
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62 | (1) |
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3.2.2.19 Multi-Polymeric Matrix Coatings |
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62 | (1) |
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63 | (1) |
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3.2.2.21 Galvanic Zinc Application |
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64 | (2) |
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3.2.3 Cathodic Protection |
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66 | (19) |
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66 | (1) |
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3.2.3.2 Main Parameters of Cathodic Protection |
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67 | (1) |
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3.2.3.3 Sacrificial Anode Cathodic Protection System |
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68 | (1) |
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3.2.3.4 Impressed Current Cathodic Protection System |
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69 | (2) |
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3.2.3.5 Offshore Cathodic Protection |
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71 | (4) |
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3.2.3.6 Onshore Cathodic Protection |
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75 | (9) |
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3.2.3.7 Satisfying the Current Output Requirement |
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84 | (1) |
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3.2.3.8 Additional Requirements |
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85 | (1) |
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3.2.3.9 Shielding of Cathodic Protection Current |
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85 | (1) |
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85 | (1) |
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3.2.5 Common Contributing Factors to External Corrosion |
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86 | (1) |
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3.2.6 External Corrosion Mitigation - Design and Construction |
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86 | (8) |
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3.2.6.1 External Corrosion Mitigation - Operation |
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86 | (7) |
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3.2.6.2 Corrosion Monitoring Techniques |
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93 | (1) |
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3.2.6.3 External Corrosion Inspection Techniques |
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93 | (1) |
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3.3 Internal Corrosion Mitigation |
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94 | (54) |
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3.3.1 Contributing Factors to Internal Corrosion in Gas Pipeline Systems |
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94 | (1) |
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3.3.2 Recommended Practices for Mitigating Internal Corrosion |
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95 | (1) |
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3.3.3 Practices for Mitigating Internal Corrosion - Operation |
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95 | (38) |
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3.3.3.1 Product Monitoring |
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104 | (1) |
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3.3.3.2 Internal Coatings |
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105 | (6) |
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3.3.3.3 Chemical Injection |
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111 | (12) |
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123 | (4) |
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127 | (2) |
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129 | (1) |
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3.3.3.7 Corrosion Monitoring Techniques |
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129 | (1) |
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3.3.3.8 Corrosion Inspection Techniques |
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129 | (4) |
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3.3.4 Mitigation of Internal Corrosion in Carbon Steel Oil-Effluent Pipeline Systems |
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133 | (15) |
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3.3.4.1 Corrosion Mechanisms and Mitigation |
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133 | (2) |
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3.3.4.2 Recommended Practices |
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135 | (1) |
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3.3.4.3 Corrosion Mitigation Techniques |
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135 | (1) |
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3.3.4.4 Corrosion Monitoring Techniques |
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135 | (1) |
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3.3.4.5 Corrosion Inspection Techniques |
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135 | (1) |
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3.3.4.6 Repair and Rehabilitation Techniques |
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135 | (13) |
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3.4 AC Corrosion Mitigation |
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148 | (2) |
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3.4.1 AC Corrosion Mitigation Approaches |
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149 | (1) |
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149 | (1) |
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3.5 Stray Current Corrosion Mitigation |
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150 | (6) |
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3.5.1 Stray Current Sources |
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151 | (1) |
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3.5.2 Stray Current Corrosion Prevention |
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151 | (5) |
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3.5.2.1 Construction Technique |
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151 | (1) |
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3.5.2.2 Corrosion and Prevention of DC Stray Current |
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151 | (4) |
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3.5.2.3 AC Interference Hazards and Protection |
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155 | (1) |
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3.6 Stress Corrosion Cracking |
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156 | (5) |
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3.6.1 Mitigation of Stress Corrosion Cracking of Pipelines |
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157 | (5) |
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3.6.1.1 Material Selection |
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157 | (1) |
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158 | (2) |
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160 | (1) |
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160 | (1) |
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3.6.1.5 Cathodic Protection |
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161 | (1) |
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3.7 Mitigation of Hydrogen-Induced Cracking |
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161 | (1) |
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3.8 Mitigation of Sulfide Stress Cracking |
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161 | (1) |
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3.9 How to Find Corrosion |
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162 | (15) |
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3.9.1 Internal Inspection |
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162 | (6) |
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3.9.1.1 In-line Inspection |
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162 | (6) |
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3.9.2 External Inspection |
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168 | (7) |
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3.9.2.1 Visual Inspection |
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169 | (3) |
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3.9.2.2 Pipe-to-Soil Readings |
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172 | (2) |
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3.9.2.3 Drone/Robot Technology |
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174 | (1) |
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3.9.3 Mandatory Monitoring |
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175 | (2) |
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3.9.3.1 Supplemental Integrity Monitoring |
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176 | (1) |
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3.10 What to Do When Corrosion Is Found |
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177 | (12) |
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3.10.1 Pipeline Repair Standard |
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178 | (2) |
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178 | (2) |
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180 | (9) |
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180 | (1) |
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3.10.2.2 Composite Sleeve |
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181 | (1) |
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3.10.2.3 Full Encirclement Steel Sleeves |
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182 | (1) |
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3.10.2.4 Weld Deposition Repair |
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183 | (1) |
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184 | (1) |
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184 | (1) |
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184 | (1) |
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184 | (2) |
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186 | (1) |
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3.10.2.10 Choosing the Most Appropriate Method of Repair |
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186 | (3) |
| Chapter 4 Construction and Materials Defect |
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189 | (28) |
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4.1 Quality Control Program |
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189 | (3) |
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4.1.1 QA/QC Program Administration and Documentation |
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189 | (1) |
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4.1.1.1 Management Commitment and Responsibility |
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189 | (1) |
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189 | (1) |
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4.1.1.3 Design Codes and Standards |
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190 | (1) |
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4.1.1.4 Quality Inspections |
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190 | (1) |
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190 | (1) |
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4.1.1.6 Documentation and Retention of Documentation |
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190 | (1) |
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4.1.2 Subcontractor Evaluation and Selection |
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190 | (2) |
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4.1.2.1 Contractor and Consultant Competency and Procurement |
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191 | (1) |
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4.1.3 Contractual Risk Transfer |
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192 | (1) |
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4.2 Quality Assurance of Pipeline Design |
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192 | (23) |
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193 | (2) |
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195 | (10) |
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195 | (6) |
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201 | (2) |
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4.2.2.3 Expansion and Flexibility |
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203 | (2) |
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205 | (10) |
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205 | (2) |
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4.2.3.2 Material Properties |
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207 | (3) |
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4.2.3.3 Material Selection |
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210 | (5) |
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4.3 Quality Control of Pipeline Construction |
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215 | (2) |
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215 | (1) |
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4.3.2 Mitigation from Improper Design or Materials Selection during Operation |
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216 | (1) |
| Chapter 5 Geotechnical Hazards |
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217 | (14) |
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5.1 Mitigation of Geotechnical Hazards |
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217 | (13) |
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5.1.1 Geotechnical Investigation |
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218 | (1) |
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5.1.2 Geohazard Assessment |
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219 | (1) |
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219 | (2) |
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5.1.4 Strain-Based Design |
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221 | (8) |
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5.1.4.1 Determination of Component of Strain |
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222 | (2) |
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224 | (5) |
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229 | (1) |
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5.2 Mitigation from External Forces |
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230 | (1) |
| Chapter 6 Off-Spec Natural Gas |
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231 | (16) |
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231 | (1) |
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6.2 Natural Gas Specifications |
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232 | (11) |
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6.2.1 Hydrocarbon Dewpoint |
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236 | (2) |
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6.2.2 Water Dewpoint (Moisture) |
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238 | (1) |
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238 | (1) |
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238 | (1) |
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238 | (1) |
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238 | (1) |
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239 | (1) |
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6.2.8 Gas Interchangeability |
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239 | (1) |
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240 | (1) |
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241 | (1) |
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241 | (1) |
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242 | (1) |
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6.2.13 Compressibility Factor (Z) |
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242 | (6) |
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6.2.13.1 Compressibility Factors at Standard Conditions |
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243 | (1) |
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6.3 Adjustment of Gas Quality |
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243 | (2) |
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6.4 Properties Relevant to Liquefaction |
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245 | (1) |
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6.5 The More Important Gas Characteristics |
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245 | (2) |
| Chapter 7 Natural Gas Hydrate |
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247 | (24) |
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247 | (1) |
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7.2 Structure of Gas Hydrate |
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248 | (1) |
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249 | (1) |
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7.3 Conditions Necessary for Hydrate Formation |
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249 | (2) |
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7.4 Prediction of Hydrate Formation Condition |
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251 | (6) |
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7.4.1 Prediction from Gas Gravity |
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251 | (2) |
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7.4.1.1 Example Calculation |
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251 | (2) |
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7.4.2 Prediction Using Vapor-Solid Equilibrium Constants |
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253 | (1) |
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7.4.2.1 Example Calculation |
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254 | (1) |
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7.4.3 Predict gas hydrate formation temperature with a simple correlation |
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254 | (3) |
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7.4.4 Commercial computer programs |
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257 | (1) |
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7.5 Water Content of a Natural Gas Stream |
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257 | (4) |
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7.5.1 Example Calculation of Water Dropout in a Natural Gas Transmission Pipeline |
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258 | (3) |
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7.6 Methods of Hydrate Prevention and Mitigation |
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261 | (4) |
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262 | (2) |
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7.6.1.1 Methanol Injection |
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263 | (1) |
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263 | (1) |
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264 | (1) |
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264 | (1) |
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7.6.3 Low Pressure Operation |
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264 | (1) |
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265 | (1) |
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265 | (1) |
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7.7 Prevention of Hydrate Formation during Commissioning |
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265 | (1) |
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265 | (1) |
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266 | (1) |
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266 | (5) |
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7.8.1 Injection of Hydrate Point Depressant |
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268 | (3) |
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7.8.1.1 Determination of Total Inhibitor Required |
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269 | (2) |
| Chapter 8 Leak and Break Detection |
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271 | (4) |
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271 | (1) |
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8.2 Leak Detection Methods |
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271 | (4) |
| References |
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275 | (4) |
| Index |
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279 | |