Page 22 - A Primer of Oilwell Drilling, 7th Edition

Index 235

daywork contracts, 40 drilling mud, 12, 20
deadline anchor, 104, 108 drilling operations, 135–162
Petroleum Extension-The University of Texas at Austin
degasser, 132 cementing, 158–159
density, 11 drilling ahead, 162
density log, 165 running a surface casing, 154–158
derrickman, 45–47, 49, 128, 133–134, 151, 160, 184 surface hole drilling, 135–147
derrick raising, 89–91 tripping in, 160–161
derricks tripping out with a kelly system, 148–151
about, 2 tripping out with a pipe racker, 152–154
early day, 12, 15 tripping out with a top-drive system, 152
hoisting system, 109–110 drilling rate, 164
mast and derrick heights, 90–91 drilling rigs, 1
standard, 89 drill pipe, 4
desanders, 131 drillships, 30, 33–36
desilters, 131 drill site
development wells, 69 equipment moving, 82–84
diamond bits, 125 site preparation, 71–72, 73–81
direct current electricity, 98 drill stem testing, 168
directional drilling, 179–181 drill stem testing (DST), 168
rotary steerable assemblies, 181 drill string, 5, 16, 120–122
slide drilling with a motor, 180 drive pipe, 81
directional holes, 118–119 drums, 5
doghouse, 91 dynamic positioning operator, 34
dolomite, 59 dynamic positioning systems, 34
doubles (pipeline), 89
downhole blowouts, 183
downhole motors, 18, 110, 118–119 earthen pits, 73–76
drag bits, 122, 125 electrical power transmission, 97–99
Drake, Edwin L., 9, 93 electric logs, 165
Drake Well, 9–10 electric rig, 99
drawworks, 88, 101–102 electric signals, 180
drawworks brake, 5 electro-magnetic (EM) signals, 180
drawworks drum, 5 elevator, 108
dressing off (activity), 182 emergency medical technicians (EMTs), 52
drill ahead, 5 environment
drill collars, 120 concerns regarding, 189–190
driller, 9 cuttings and, 130
driller and assistant, 45 faring and, 128
driller’s controls, 45 mud impacts on, 127
drilling companies, 39 ocean, 39
drilling contractors, 39 safeguards for, 73
drilling contracts, 39–40 sensitive areas, 72
drilling crews, 44 specialists in, 72
drilling crew workshifts, 50 well site restoration, 173
drilling engineer, 128 equipment moving to drill site, 82–84
drilling fuid, 11, 20, 126–128 land rigs, 82
drilling line, 88 offshore rigs, 84