Page 547 - Practical Well Planning and Drilling Manual

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Index

viscosifiers in high-angle well, 320–323
oil mud additives, 241–243 calculations, 322–323
polymers as, 212–213 operational considerations, 320–322
viscosity, 501 well objectives, drilling program and, 124
apparent, 461 well planning
hump, 214 in high-angle wells, 155–156
plastic, 492 in horizontal wells, 155–156
viscosity-gravity viscometer, 501 well positioning, drilling program and, 124
well programming, 122
W well proposal, checklist, 4
wall cake, 501 well status, desired, 6
washout detection procedures, drilling problems, well suspension/abandonment, drilling program,
364–365 129
washouts, 14 well testing, drilling program and, 129
water activity (Aw), 236 wellbore instability
water phase salinity (WPS), 235 drilling fluid, 294–296
water-based muds, 501 drilling mechanics, 299–300
formation damage with, 226–227 drilling practices, 297–298
wear filtrate invasion, 295
casing, directional design and, 113–114 forces of, 295–296
gauge, IADC 8 point grading scheme, 417 hole orientation, 298–299
pipe yield strengths and, 63–64 in-situ stresses, 297
tooth, IADC 8 point grading scheme, 415 making connections to minimize, drilling prob-
Weatherford Tubing Data Handbook, 385 lems, 374–375
weight, 501 open hole time, 298
tension from, in deviated wellbore, 73–74 rock properties, 296–297
weight on bit (WOB), 14, 15, 109, 115, 132 shale, 293–294
drilling parameters, 409 surge/swab pressures, 298
weight on bit/revolutions per minute (WOB/RPM), tripping practices, 298
14, 97, 369 wellbore profile
weighting material, 501 electric logging/sampling, 282
well abandonment wellpath planning and, 109
cementing design, 275 wellbore stability, 293–302
completion and, 25 drilling fluid and, 294–296
restoration and, 25 wellheads
well cementing, 257 compact surface, 96
Well Cementing (Nelson), 257 drilling program, 128
well control, 145–156, 313–336 general descriptions, 96–97
detection systems, 315–317 guideline subsea, 97
equipment requirements, 333–334 mudline suspension system, 96
in high-angle wells, 155–156 spool type surface, 96
in horizontal wells, 155–156 subsea, 97
kick detection/response, 315–319 system, 24
kick prevention, 313–315 well-logging, 501
references, 156 wellpath planning
shallow gas, 145–151 directional design and, 108–110, 119
well design in-situ field stresses and, 109–110
circulation of, 4 wellbore profile and, 109
data acquisition/review, 3, 4–15 wellsite exposure, xvi
data analysis, 3 wet shale, 237
essential data, 5–6 wetting, 501
general, 17–19 agent, 501
meeting, 3 whipstock, 501–502
planning process overview, 3 whole-mud invasion, formation damage, 246
steps, 17–19 wildcat, 501–502
well identification, drilling program and, 124 wiper tripping, preplanned, drilling problems,
well killing, 484 375–376
wireline logging tools, directional surveys from, 169

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