Page 744 - Air and Gas Drilling Manual

I-7 Index
Surface roughness of annulus,
9-1, 9-2, 9-8
8-12, 8-32
Unstable foam, 2-4
Surface tension, 9-1
Surge tank, 5-47
Swivel, 1-7 Underbalanced drilling, 1-15, 2-16, 8-2,
Valves, 2-5
Ball type, 2-5
Tamrock Driltech Model D25K, 4-35, Velocity, 1-22, 6-8, 7-8
4-36, 5-24, 5-47, 5-72, 5-80 Viscosified water, 10-1
Tapered drill string, 3-27 Volumetric efficiency, 4-24, 8-49,
Tee, 9-30, 10-27 8-57, 9-71
Terminal velocities, 9-9, 9-10, 10-7 von Karman equation, 6-10, 6-15, 6-23,
Theoretical shaft power, 8-56 6-25, 6-27, 6-31, 7-10, 7-21, 7-25,
Theoretical shaft power in English 10-25, 10-34, 10-38, 10-42, 10-47,
units, 4-21 10-51
Theoretical shaft power in SI units, 4-21 von Karman relationship, 7-17, 8-12
Thief formations, 1-13
Threaded connection, 3-3
Three phase flow in the annulus, 6-6, 6-8
Three phase flow in the drill string, Water base drilling mud, 9-1
7-6, 7-8 Water course orifice, 7-11
Three phase flow through the bit, 7-11 Water injection, 8-61
Threepoint roller cutter reamer, 3-21 Water injection volumetric flowrate,
Tool joint length, 10-30 10-76
Top drive system, 5-47 Weight rate of flow of the gas, 8-10
To head rotary drive slant rigs, 11-4 Weight rate flow of the solids, 6-6,
Total actual shaft horsepower, 8-56 7-6, 8-10
Total diesel fuel, 8-52, 8-59 Wireline drill rod, 3-28, 3-29
Total weight rate of flow, 6-6, 7-6 AQ, 3-28
Transitional flow conditions, 6-10, 6-15, BQ, 3-28
6-23, 6-25, 6-27, 6-31, 7-10, 7-14, NQ, 3-28
7-21, 7-25, 9-9, 9-10, 9-11 HMQ, 3-28
Trial and error, 5-5, 5-59, 5-63
Tri-cone drill bit, 3-8
Triple drilling rigs, 1-7
Tungsten carbide inserts, 3-11 Xanthan gum polymers, 10-1
Tungsten carbide studs, 3-9, 3-13
Turbulent flow conditions, 6-10, 6-15,
6-23, 6-25, 6-27, 6-31, 7-10, 7-15,
7-25, 9-10, 9-11, 9-16, 9-17, 9-18 Yield point, 10-2
Two phase flow in the annulus, 7-12
Two phase flow in the drill string, 6-13
Two phase flow through the drill bit, 6-11
Typical tapered drill string, 3-27