Geophysical Methods of Exploration........................................................................................................13 Geochemical Methods of Exploration......................................................................................................15 Drilling......................................................................................................................................................15 Percussion Drilling...................................................................................................................................15 Rotary Drilling...........................................................................................................................................16 Drilling Techniques...................................................................................................................................17 Offshore Drilling.......................................................................................................................................17 Drilling Rigs..............................................................................................................................................18 Production.....................................................................................................................................................19 Completing a Well....................................................................................................................................19 Installing Well Casing..........................................................................................................................19 Well Completion...................................................................................................................................20 Lifting and Well Treatment...................................................................................................................20 Processing....................................................................................................................................................21 Transmission................................................................................................................................................22 Overview of a Pipeline Project.................................................................................................................23 Transmission Line Maintenance..............................................................................................................25 Compressor Stations................................................................................................................................25 Natural Gas Storage................................................................................................................................26 Distribution....................................................................................................................................................26 City Gate Stations....................................................................................................................................27 1-ii GAS DISTRIBUTION SELF-STUDY COURSE Piping Network.........................................................................................................................................28 Supply Mains.......................................................................................................................................28 Feeder Mains.......................................................................................................................................29 Distribution Mains................................................................................................................................29 Services Lines.....................................................................................................................................29 Fuel Lines............................................................................................................................................29 Gas Industry Trade and Research Organizations........................................................................................29 U.S. Trade Associations...........................................................................................................................29 American Gas Association.......................................................................................................................30 American Public Gas Association............................................................................................................30 Canadian Gas Association.......................................................................................................................30 Canadian Gas Research Institute............................................................................................................30 Gas Technology Institute.........................................................................................................................30 Regulatory Control........................................................................................................................................31 Background..............................................................................................................................................31 Deregulation.............................................................................................................................................32 Additional Reading........................................................................................................................................33 LIST OF TABLES Page Table 1-1. Natural Gas Technically Recoverable Resources...............................................................8 Table 2-1. U.S. Natural Gas Resources (Trillion Cubic Feet)...............................................................9 LIST OF FIGURES Page Figure 1-1: Ancient Greece.......................................................................................................................1 Figure 1-2: Open Flame Interior Gaslights (1830)....................................................................................2 Figure 1-3: First Gas Well In America.......................................................................................................2 Figure 1-4: Vintage Bunsen Burner..........................................................................................................3 Figure 1-5: Goodwin Gas Cooking Stove–1879.......................................................................................4 Figure 1-6: Gas and Wood Cooking Stove Combination Kitchen Range – 1910-1920............................4 Figure 1-7: Circulating Water Heater........................................................................................................4 Figure 1-8: Natural Gas Prices and Drilling Rig Operation.......................................................................7 Figure 1-9: U.S. Dry Natural Gas Reserves 1990-2000...........................................................................9 Figure 1-10: World Natural Gas Reserves - Jan 1, 2000........................................................................10 Figure 1-11: Surface Geology.................................................................................................................12 Figure 1-12: Trap Types.........................................................................................................................13 Figure 1-13: Seismograph......................................................................................................................13 Figure 1-14: Offshore Seismic Exploration.............................................................................................14 Figure 1-15: Geologist Using Interactive 3-D Seismic Imaging......................