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Summary
Summary
Oil & Gas Pipelines in Nontechnical Language examines the processes, techniques, equipment, and facilities used to transport liquids such as refined products, crude oil, natural gas, and natural gas liquids through cross-country pipelines.
Topics include the importance of the pipeline infrastructure; planning, designing, constructing, operating, and maintaining pipelines; regulatory requirements; and the challenges for the future. Special emphasis is included on control and leak detection systems as well as emerging technologies and systems to ensure safe and environmentally sound operation. Thorough but easy to read, this text is useful for anyone who wants to learn about pipelines, from petroleum industry newcomers and students to personnel in related arenas such as legal, accounting, financial, government, and others.
Features and benefits:
Concise overviews of the various pipeline functions and operations;
Individual coverage of oil, natural gas, and chemical pipeline operations and their differences;
Descriptive photos, charts, and tables for easy comprehension.
Author Notes
Dr. William L. Leffler, a retired executive from Royal Dutch/Shell, spent 36 years with that company. During his career he spent time in refining and marketing, petrochemicals, and corporate planning in the United States, and in exploration and production in London. He earned his MBA and PHD at New York University, and a BS at MIT. He has authored multiple PennWell titles including the bestselling Petroleum Refining in Nontechnical Language, 4th Edition (2008), Petrochemicals in Nontechnical Language, 4th Edition (2010), and Deepwater Petroleum Exploration & Production: A Nontechnical Guide, 2nd Edition (2011).
Thomas O. Miesner, former president of Conoco Pipeline, has spent more than 25 years in the pipeline industry working in engineering, operations, business development, and joint venture management positions. He served on the boards of several pipeline companies, including three years as Chairman of the Board for Explorer Pipeline Company. Active on the API Pipeline General Committee and the Association of Oil Pipelines Executive Committee, Miesner was also Chairman of the Association of Oil Pipelines in 2001 where he was instrumental in establishing a vision for the future as well as strategic initiatives which are still presently being pursued by the industry. He received his BS in Engineering Management from the University of Missouri-Rolla.
Table of Contents
Acknowledgments | p. xvii |
1 How Pipelines Differ | p. 1 |
Crude Oil Pipelines | p. 3 |
Refined Products Pipelines | p. 4 |
Natural Gas Pipelines | p. 5 |
Pipeline Customers | p. 6 |
2 The First Leg | p. 9 |
Creating Nostalgia | p. 9 |
Enter Competition | p. 12 |
Oily Beginnings | p. 12 |
Gaseous Progress | p. 14 |
Endeavor and Technology | p. 16 |
Disturbed Interests | p. 18 |
The Russians | p. 19 |
Separate Ways | p. 21 |
Expansion | p. 22 |
The Great Offshore | p. 23 |
Diversity | p. 26 |
Shifting Sands | p. 27 |
References | p. 28 |
3 How Pipelines Work | p. 29 |
The Physics of Fluid Flow | p. 29 |
Municipal Water Systems | p. 31 |
Friction Losses, Pipe Lengths, and Flow Rates | p. 32 |
Splitting flows | p. 34 |
Hydraulic Properties of Hydrocarbon Fluids | p. 35 |
Measures and dimensions | p. 35 |
Density | p. 37 |
Viscosity | p. 39 |
Pour point | p. 41 |
Vapor pressure and evaporation | p. 41 |
Pressure | p. 44 |
Compressibility | p. 44 |
Why gases behave that way | p. 45 |
Hydraulics | p. 47 |
Basic Flow Principles and Equations | p. 47 |
The First Law of Thermodynamics | p. 47 |
Bernoulli's equation | p. 48 |
Flow characteristics | p. 49 |
Friction loss | p. 50 |
Elevation loss (or gain) | p. 51 |
Flow rates and capacities | p. 54 |
Conclusion | p. 55 |
4 Oil Pipeline Operations | p. 57 |
Crude Oil Lines-a Brief Review | p. 57 |
Refined Products Lines-a Brief Review | p. 58 |
Field Operations to Central Control Room | p. 59 |
Crude oil receipt and delivery field operations | p. 59 |
Refined products receipt and delivery field operations | p. 62 |
Central Control Room Operations | p. 63 |
Planning and scheduling operations | p. 65 |
The scheduler's role | p. 66 |
The controller's role | p. 68 |
Hydraulic concepts-practical applications in mainline operations | p. 72 |
The Control Room | p. 79 |
Routine operations | p. 80 |
Abnormal operations | p. 84 |
Operator Training | p. 85 |
References | p. 86 |
5 Natural Gas Pipeline Operations | p. 87 |
Natural Gas Lines-a Brief Review | p. 88 |
Gathering lines | p. 89 |
Gas processing plants | p. 90 |
Receipts from LNG facilities | p. 92 |
Pipeline hubs | p. 93 |
From Field Operations to Central Control Room Operations | p. 94 |
Natural gas field operations | p. 94 |
Natural gas delivery operations | p. 99 |
Central Control Rooms | p. 100 |
Planning and scheduling operations | p. 101 |
Monitoring and controlling the pipeline | p. 103 |
Hydraulic concepts-optimizing line operation | p. 104 |
Routine operations | p. 105 |
Quality control | p. 106 |
Abnormal operations | p. 106 |
Operator Training | p. 107 |
References | p. 107 |
6 Petrochemical and LPG Pipeline Operations | p. 109 |
Definitions | p. 109 |
Product Characteristics | p. 110 |
C4 products | p. 110 |
C3 products | p. 111 |
C2 products | p. 111 |
Compressibility | p. 112 |
Leak Detection | p. 112 |
Measurement | p. 113 |
Quality | p. 113 |
Commissioning and Decommissioning | p. 114 |
Freezing temperatures | p. 114 |
Storage | p. 115 |
Hydraulics | p. 117 |
Addendum-Supercritical Fluids | p. 118 |
7 Offshore Pipelines | p. 121 |
Line Design | p. 122 |
Installing Subsea Pipelines | p. 124 |
The boon and bane of buoyancy | p. 124 |
Laying pipe | p. 125 |
S-lay | p. 125 |
J-lay | p. 126 |
Reel barge | p. 128 |
Tow-in | p. 130 |
Bottom Conditions | p. 131 |
Risers | p. 131 |
Attached risers | p. 131 |
Pull tubes | p. 132 |
Steel catenary riser | p. 132 |
Top-tensioned risers | p. 134 |
Riser tower | p. 135 |
Flexible risers | p. 136 |
ROVs | p. 136 |
8 SCADA, Controls, and Leak Detection | p. 139 |
SCADA | p. 140 |
Design and Control | p. 141 |
Human versus computer decision making | p. 141 |
Local or central control | p. 142 |
Manual or automated | p. 143 |
Communications | p. 143 |
Human machine interface | p. 146 |
Real-time operating data | p. 147 |
Configuration tool | p. 150 |
Application interface | p. 150 |
Historic database | p. 150 |
Amount of data to gather | p. 151 |
Update frequency | p. 151 |
Update process | p. 152 |
Corrupted data | p. 152 |
Indicators, alarms, and alarm filtering | p. 153 |
SCADA performance | p. 155 |
Data sharing | p. 156 |
Reports and logs | p. 156 |
Security | p. 157 |
SCADA in summary | p. 157 |
Local SCADA | p. 158 |
Leak Detection | p. 158 |
Leaks and releases | p. 159 |
Leak detection systems | p. 160 |
Leak detection methods | p. 162 |
Internal systems | p. 163 |
External systems | p. 167 |
Conclusion | p. 168 |
9 Maintenance | p. 169 |
What Causes Releases? | p. 170 |
Equipment damage | p. 171 |
Corrosion | p. 173 |
Mechanical failures | p. 174 |
Natural hazards | p. 176 |
Other causes of failures | p. 180 |
How to Prevent Damage | p. 180 |
Equipment damage | p. 180 |
Corrosion | p. 184 |
Mechanical failures | p. 186 |
Natural hazards | p. 186 |
Other causes of failure | p. 187 |
Finding Potential Problems before They Become Failures | p. 187 |
Internal inspection devices | p. 187 |
Hydrostatic testing | p. 190 |
Electrical surveys | p. 192 |
Direct assessment | p. 196 |
Risk and Pipeline Safety | p. 197 |
Consequences | p. 198 |
Probabilities | p. 198 |
Framework for considering risk | p. 198 |
Data | p. 202 |
Integrity Management Plan | p. 203 |
Repairs | p. 204 |
Replacing the pipe | p. 204 |
Reinforcing the pipe | p. 206 |
Grinding to reduce stress concentrations | p. 207 |
Deposited weld metal | p. 208 |
Coating repairs | p. 208 |
Other Maintenance Activities | p. 209 |
Line lowering | p. 209 |
ROW maintenance | p. 209 |
Cathodic maintenance | p. 210 |
Maintenance pigging | p. 210 |
References | p. 212 |
10 Investment Decisions | p. 213 |
Why Are They Built? | p. 213 |
Who Decides to Build? | p. 214 |
How Is the Decision Made? | p. 216 |
Demand and supply | p. 216 |
Economics | p. 218 |
Ownership Changes | p. 224 |
Master Limited Partnerships | p. 225 |
Determining the Purchase and Sales Price | p. 226 |
Economic value | p. 226 |
Comparable sales | p. 227 |
Highest and best use | p. 227 |
Reconstruction cost new | p. 227 |
Book value | p. 228 |
11 Major Components and How They Work | p. 229 |
Pipe | p. 229 |
Manufacturing methods | p. 230 |
Properties of pipe | p. 231 |
Nonferrous pipe | p. 232 |
Coatings | p. 232 |
Fusion bond epoxy | p. 233 |
Coal tar | p. 234 |
Plastics | p. 234 |
Tapes | p. 234 |
Shrink sleeves | p. 235 |
Concrete coating | p. 236 |
Fittings and Flanges | p. 236 |
Fittings | p. 236 |
Flanges | p. 238 |
Valves | p. 238 |
Gate valves | p. 239 |
Ball valves | p. 240 |
Plug valves | p. 240 |
Check valves | p. 243 |
Globe valves | p. 244 |
Pressure relief valves | p. 245 |
Actuators | p. 246 |
Pumps and Compressors | p. 247 |
Positive displacement pumps and compressors | p. 247 |
Centrifugal compressors and pumps | p. 252 |
Prime Movers | p. 257 |
Engines | p. 258 |
Electric motors | p. 259 |
Turbines | p. 259 |
Variable Speed Devices | p. 260 |
Mechanical VSDs | p. 260 |
Electrical variable frequency drives | p. 260 |
Meters | p. 261 |
Positive displacement meters | p. 261 |
Turbine meters | p. 262 |
Orifice meters | p. 263 |
Ultrasonic meters | p. 264 |
Coriolis meters | p. 265 |
Provers | p. 265 |
Pipe provers | p. 265 |
Master meters | p. 266 |
Other Components | p. 267 |
References | p. 267 |
12 Engineering and Design | p. 269 |
Safety Considerations | p. 270 |
Route Selection | p. 270 |
Line Size, Wall Thickness, and Looping | p. 271 |
Engineering aspects of friction loss | p. 271 |
Systems Curves | p. 275 |
Fittings, Flanges, and Valves | p. 276 |
Wall Thickness and Grade of Pipe | p. 276 |
Looping | p. 278 |
Pump, Compressor, and Prime Mover Selection | p. 279 |
Pump selection | p. 279 |
Compressor selection | p. 282 |
Prime mover selection | p. 283 |
Flow and Pressure Control | p. 284 |
Natural gas | p. 285 |
Oil | p. 285 |
Number of Stations | p. 286 |
Station Location | p. 287 |
Storage | p. 289 |
Location of oil storage | p. 289 |
Number and size of oil tanks | p. 290 |
Location of natural gas storage | p. 291 |
Natural gas storage management | p. 291 |
Operating storage | p. 292 |
Seasonal storage | p. 292 |
Station Design and Layout | p. 293 |
Compressor and pump stations | p. 293 |
Delivery stations | p. 295 |
Storage fields and tank farms | p. 295 |
Ancillary station equipment | p. 296 |
Additional Design Considerations | p. 297 |
Crossings | p. 297 |
Block valves | p. 298 |
Conclusion | p. 298 |
13 Construction | p. 299 |
Permitting | p. 300 |
Contracting and Procurement | p. 300 |
ROW and Land Acquisition | p. 301 |
Inspection | p. 302 |
Staking the Line | p. 302 |
Pipeline Construction Spreads | p. 303 |
Preparing the ROW | p. 303 |
Stringing | p. 304 |
Welding | p. 305 |
Weld Inspection | p. 308 |
Trenching | p. 309 |
Lowering In | p. 310 |
Backfilling | p. 312 |
Bends, Crossings, and Tie-Ins | p. 312 |
Bends | p. 313 |
Crossings | p. 314 |
Tie-ins | p. 315 |
Quality Control | p. 316 |
Cleaning and Sizing | p. 316 |
Hydrostatic Testing | p. 317 |
Commissioning | p. 317 |
Station Construction | p. 317 |
Cleanup and Restoration | p. 318 |
Handoff for Operations | p. 318 |
Documentation | p. 319 |
14 Satisfying Stakeholders | p. 321 |
Introduction | p. 322 |
Stakeholders | p. 322 |
Owners | p. 323 |
Customers | p. 324 |
Landowners and neighbors | p. 324 |
Governments | p. 325 |
Nongovernmental organizations | p. 326 |
Interested citizens | p. 326 |
Industry | p. 327 |
Suppliers and contractors | p. 327 |
Competitors | p. 327 |
Employees | p. 327 |
Media | p. 328 |
Balancing Needs and Wants | p. 329 |
Safety | p. 329 |
Supply | p. 332 |
Other wants | p. 332 |
Conclusion | p. 333 |
References | p. 333 |
Appendix Abbreviations and Acronyms | p. 335 |
Index | p. 339 |