Page 546 - Practical Well Planning and Drilling Manual

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Index

T tour, 499
tangent section drilling training programs, xv
directional planning, 177–178 transition zone
in vertical wells, 177–178 casing design and, 46
tank level monitoring systems, 316 pressure-depth graph of, 52
tapered casing string, 23 transverse drillstring vibration, rotary speed, 410
targets, directional design and, 119 triaxial stress analysis, 85–86
telescopic joint (TJ), 29 trip
temperature correction factors (TCF), 24 drill, 318
temperature log, electric logging/sampling, 282 making a, 486
temperature rating, slurry properties, 261–262 margin calculation, 314
temperature vs. crystallization point graph, of brines, tripping practices, wellbore instability, 298
33 true crystallization temperature (TCT), 32
10,000 psi WP classification, surface BOP stack con- true vertical depth (TVD), 50, 53, 70, 75, 78, 108,
figurations, 327 110
tension, 99, 100, 101, 102, 104, 105–106 tubing accessories, 23
from buoyant string weight, plus pressure, tubing checking, for completion, 35
75–77 tubular items, fishing operations for, 369–371, 371
formula for, 78 tungsten carbide insert (TCI) bits, 193
from overpull, 75 turbines, 199
safety factors and, 61–62 drill bits, 413
from shock loading, 77 turbulent flow, 500
steel temperature correction factors and, 64 good cement job factors, 266
from weight, in deviated wellbore, 73–74 turn rate, directional design and, 110–114
tertiary recovery techniques, 21 12 1/4 inch hole, drilling equipment, 451
thermal decay time log, 499 20 inch casing, drilling equipment, 453–454
thermal expansion, buckling force from, 83–84 26 inch hole, drilling equipment, 449
thickening time, slurry properties, 260 twist-off, 500
thinner, 499 2000 psi WP classification, surface BOP stack con-
13 3/8 inch casing, drilling equipment, 454 figurations, 326
30 inch conductor, drilling equipment, 453
36 inch hole, drilling equipment, 448 U
thixotropic cement, slurry properties, 262–263 ultrasonic imager tool (USIT), 282, 500
thixotropy, 499 undergage hole
3000 psi WP classification, surface BOP stack con- from squeezing shales, 349–350
figurations, 326–327 stuck pipe, 302, 348–350
time dependent costs, drilling program, 138 underground blowout situation, barite plugs,
titration, 499 377–378
tong under-ream, 500
back-up, 462 universal bottom hole orientating (UBHO), 158
lead, 484 sub, 165, 168, 175
tool joint, 499 directional planning and, 163–164
damage, 111 unreacted emulsifier, formation damage, 245
tooth wear, IADC 8 point grading scheme, 415 unsupported tubing, buckling in, 82
top hole updip drilling, 116
collapse, stuck pipe, 304, 353–354
lost circulation, 307–308 V
top of cement (TOC), 79, 82, 84, 262, 268, 269, valency, 500
275 van Oort, Eric, 293
top of fish (TOF), 368–369 variable bore rams (VBR), 151, 500
torque, 499 velocity, critical, 500
torsional loads, calculation of, 84–85 vertical seismic profile, 500–501
total depth (TD), 21–22, 499 vertical wells
total flow area (TFA), 175, 189 directional planning and, 164–165
total force, in casing design, 67 tangent section drilling in, 177–178
Totco single shot survey tool, directional drilling, 428 viscometer, direct-indicating, 501
Totco surveys, directional planning and, 164–165

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