Page 17 - The Rotary Rig and Its Components
P. 17
GLOSSARYINDEX
Petroleum Extension-The University of Texas at Austin
diamond bits, 48, 48f treatment of, 54, 59, 80
dies, 43 drilling hook, 27–28, 28f, 30f, 34f
diesel-electric drives, 11–12, 11f, 13f drilling line
diesel engines, 8, 8f, 10f, 11f, 78, 78f lowering or raising the drill stem, 31
diesel-oil mud, 54 maintenance of, 31–32
direct current (DC), 12, 13f, 14, 79 overview of, 32
discharge line, 57 purpose of, 19, 20f, 25
doghouse, 18, 83, 84 reeving, 26, 26f
rotating system and, 34f
double-acting two-cylinder (duplex) pumps, 56, 56f slipping, 31–32
doubles (two-joint stands), 45 stringing up, 29–31, 29f, 30f
drawworks. See also hoist. wear of, 31
brake system, 24, 24f drilling mud. See drilling fluids.
catshaft/catheads, 20–23 drill pipe
lowering or raising the drill stem, 31 circulating system and, 52f, 57
in the hoisting system, 30f in the drill stem, 44f
layout of, 10f, 11f, 14, 15f kelly and, 38
on a mechanical-drive rig, 9, 9f overview of, 45, 45f
operation of, 14 rotating system and, 34f
overview of, 19–20, 19f, 32 drill pipe joints, 20
purpose of, 20f drill pipe safety valve, 41
substructure and, 18
transmission system, 25 drillships, 8, 77, 85
drill collar drill site, 18
circulating system and, 52f, 57 drill stem
in the drill stem, 44f circulating system and, 51
overview of, 44, 45f, 46–47, 46f components of, 34, 34f
rotating system and, 34f drawworks and, 20f
drillers height of the derrick and, 19
circulating a kick, 73 monitoring weight of, 82
hired on a rig, 90 overview of, 44, 44f, 50, 62
operation of DC motors, 14 process of rotating, 36
overview of, 87, 87f, 92 purpose of, 2
drilling. See rotary drilling. substructure and, 18
drilling contractor, 2, 14, 85, 86 drill stem valve, 41
drilling crew. See crewmembers. drill string, 20, 35, 50
drilling fluids. See also muds. drives
circulation of, 51, 53f, 57, 59f diesel-electric, 11–12, 11f, 13f
flow patterns of, 53f mechanical, 9, 9f, 10f
correct mixture of, 63 overview of, 15
cycle of, 57–59 drive shaft, 36
indicating a kick, 64 drum, 10f, 20, 20f, 30f, 31–32
liquid, 53–55 dry ingredients, 55–56, 80, 81f, 83, 84
mud control and, 61 dump valves, 52f
under pressure, 36 duplex pump. See double-acting two-cylinder
purpose of, 2, 3f, 53, 75 (duplex) pumps.
137
