Page 740 - Air and Gas Drilling Manual

Dual-cone drill bit, 3-8
4145 heat treated steel, 3-19
Dual rotary drilling rig, 11-2
Fuel consumption, 4-31, 4-33, 4-34,
Dual tube, 1-10
8-48, 8-56
Dual wall drill pipe, 3-4, 3-30
Dual wall pipe, 3-4, 3-5, 3-30, 3-32, 4150 heat treated steel, 3-19 I-3 Index
Fuel consumption rate, 5-50, 5-53, 5-56,
3-34, 5-56 5-90, 5-94, 8-50, 8-58, 9-74
Dual wall pipe drill string, 3-1, 3-31
Dual wall pipe reverse circulation, 3-4
Dynamic flow compressors, 4-1, 4-5
Gardener Denver Model MDY, 4-38
Gardner Denver Model WEN, 4-38,
5-32, 5-39, 5-51, 5-54
Eastman, John, 12-5 Gas constant, 4-17
Effective absolute viscosity, 9-17 Gas constant for API standard
Effective hydraulic diameter, 12-16 conditions, 4-17
Effective kinematic viscosity, 9-15, 9-17 Gas detector, 2-21
Electromagnetic MWD, 12-8, 12-10 Gas kick, 2-13
Eliminate the stickiness, 8-61, 8-67 Gas volumetric flow rate, 8-9
Empirical von Karman relationship, 6-18 Gasoline, 4-23, 4-33
Engineering practice, 8-4 Gate valves, 2-17
Equivalent single orifice, 6-11 Gear box, 11-51, 11-52
Geothermal gradient, 1-19, 6-7,
7-7, 8-11
Geothermal temperature, 6-7, 7-7
Factor of safety (FS), 3-38, Geyser’s geothermal fields, 11-49
Fanning friction factor, 6-9, 6-15, 6-18, Gyroscopic instruments, 12-6
6-22, 6-25, 6-26, 6-31, 7-9, 7-14,
7-17, 7-21, 7-23, 8-12, 8-26, 10-25,
10-34, 10-38, 10-42, 10-47, 10-51
Field comparisons, 8-73, 10-82 Halco Model D750, 11-12
Fire float valves, 3-36 Heavy-weight drill pipe, 3-25, 3-27
Fire stop valves, 3-37 Helical lobe, 11-33
First swivel, 3-5 Helical lobe compressors, 4-12
Fixed compression ratio, 4-29 Helical motor, 11-31
Fixed pressure capability, 5-30 Hex head connections, 3-35
Flapper type float valve, 3-36 Horizontal drilling, 12-11, 12-17
Floats, 10-5 Hydraulic diameter for the annulus,
Float valves, 3-35 6-10, 6-27, 7-14, 9-15
Flow line, 2-4 Hydraulic radius, 12-16
Fluid loss coefficient, 6-11 Hydraulics calculation, 1-16
Foam quality, 6-26, 10-2, 10-73

Foremost Model DR-24, 11-3 IACD classification chart, 3-15
Formation damage, 1-12, 1-15, 8-2 Inert atmosphere, 10-3