Page 379 - Drilling Technology in Nontechnical Language

370 Drilling Technology in Nontechnical Language Second Edition

program writing for offshore overview, 86
development well, 92 well proposal, 34–36
status at completion, 46, 51–52 contents, 36–37
template, 85 well test, 82. See also production testing
well control burning oil from, 248–249
blowout preventer stack, 258–267 information, 46, 51
certification of personnel for, 282 wellbore

high-angle/horizontal well killing, position surveying tools, 188–189
277–278 stability, 195
high-pressure, high-temperature surveying calculations, 190–192
wells, 279–280 wellbore deviation
kick detection equipment, 268–269 jetting, 178–179
killing the well, 269–274 overview, 178
overview and summary, 255, 282 rotary drilling assemblies, 183–186
primary, 255–256 rotary steerables, 186–188
relief wells, 280 steerable motors, 181–183
secondary, 256–258 whipstock, 179–180
shallow gas, 274–277 wellhead, 38, 41, 76
special considerations, 277–282 wellhead configuration, 38, 41–42

tertiary, 258 simple land, 42, 43
underbalanced drilling, 281–282 spool-type, 42, 43–44
well cost subsea, 42, 43
contingency costs, 297, 298 wellhead housing
depth-dependent costs, 297 latched onto blowout preventer, 94,
elements cost codes, 295, 296 95

fixed costs, 295 latching profile of subsea, 94, 95

percentage saved, 290 wellsite
support costs (overheads), 297 decision making at, 292–293
time-dependent costs, 295 geologist, 286
well cost estimation wellsite drilling engineer (WSDE), 286
accuracy of, 297–298, 299 wellsite drilling petroleum engineer
by category, 295–298 (WSPE), 286
with cost codes, 296 whipstock, 179–180

final total and summary, 298, 299 widow maker, 117
overview, 295 wireline

well design, 37 fishing tools, 326
casings, 38, 40–41 logging (conventional), 246–247
completion, 38–40 ranging tools, 280
directional profile, 38, 41, 42 workover hoists, 110

well fluids, 38, 44–45 Wytch Farm development well, 174, 193

wellhead configuration, 38, 41–44
well kill. See also killing the well
high-angle/horizontal, 277–278
phase 1 of deviated, 278
well planning, 17–20
well planning (offshore well)
completion design, 86–89

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