Page 538 - Practical Well Planning and Drilling Manual

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Index

fluid(s), 477. See also drilling fluids gauge hole, good cement job factors, 265–266
characteristics, completion and, 23 gauge wear, IADC 8 point grading scheme, 417
drilling, aerated, 248 gel, 479
flow, 477 strength, 479
in eccentric annulus, 265 zero-zero, 502
loss, 477 gel CMC mud, 216
properties, 30 gelation, 479
slurry properties and, 259 gelled up, 479
viscosity, shear rate and, 262 geochemical logging tool, 479
formation damage, 477 geological prognosis, drilling program, 128
emulsion blockage, 245 geolograph, 480
fractured/faulted, stuck pipe and, 304 geopressured formations, stuck pipe, 304, 354
from insoluble solids, 227 geosteering, 117
from liquid fraction, 227–228 gravity, 480
with oil mud, 244–246 guar gum, 250
oil wetting, 245 guideline subsea wellhead, 97
partially soluble emulsifier, 245 gumbo shale, 237
proactive measures for, with drilling fluids, gun perforating, 480
229–232 gunning the pits, 480
unreacted emulsifier, 245 gypsum, 480
with water-based muds, 226–227 gypsum lignosulfonate mud, 208–210
whole-mud invasion, 246 gypsum polymer mud, 217
formation evaluation, 281–292 gypsum scale, 231
electric logging/sampling, 281–283 gyro multishot surveys (GMS)
formation fluid samples, electric logging/sampling, directional drilling, 428
283 directional planning, 165–166
formation integrity test (FIT)
leakoff test example and, 443 H
maximum allowable annular surface pressure heads, blowing by, 480
and, 441–442 heavily fractured cavernous formations, lost circula-
recommended procedure, 441–443 tion, 309–310
test process, 442 heaving, 480
Formation Micro Imager tool (FMI), 169, 477 high pH mud, 480
Formation MicroScanner tool (FMS), 169, 478 high pressure low permeability kicking formation,
fracture gradients (FGs), 48, 478 barite plugs, 378
casing design and, 43–51 high pressure/high temperature (HPHT) wells, 42,
formula for, 50, 51 153–155
pore pressures and, 50–51 equipment considerations, 155
fractured/faulted formations, stuck pipe and, 304, operational planning/procedures, 153–155
354–355 high-angle wells, 24
fractures, created, 470 precautionary measures, 156
fracturing, hole orientation, 299 well control in, 155–156
free point indicator tool (FPIT), 366, 478 well killing in, 320–323
free water, slurry properties, 259–260 well planning in, 155–156
freestanding conductors, buckling in, 81 hole drags, minimizing, 117
full-hole coring, 284
hole orientation
collapse, 298–299
G fracturing, 299
galena, 478 wellbore instability, 298–299
gallons per minute (GPM), 14 hole section summary, 8–13, 183
gamma ray (GR), electric logging/sampling, 283 bitrun data, 9–11
gamma ray spectrometry tool (GRST), 283, 478 bridge, 11
gas cut, 478 comments, 9–11
gas lift, stimulation with, completion, 24–25 depth BRT, 9–11
gas migration, 44 formation details, 9–11
gas on bottom, influx height with, calculation, 437 Gstring, 11
gas-oil ratio (GOR), 21, 478 guitar, 9
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