Page 419 - Fundamentals of Gas Shale Reservoirs

INDEx 399
sample preservation, 172, 191 subvertical microcracks, 191 shale gas resource systems, 47
scanning electron microscopy (SEM), 92, surface area, 92, 119 shale reservoirs, 283
247, 268 surface monitoring, 222 Unconventional Gas Resource Assessment
scratch tests, 174 surface‐to‐volume (S/V) ratio, 110 System (UGRAS), 309
sedimentation rates, 25, 33, 37–8 surfactants, 352 under‐compaction, 140
seismic consistency, 237 Swanson method, 123 uniaxial compressive strength (UCS), 174
seismic emission tomography (SET), 223 sweet spot, 85, 362 unsteady‐state techniques, 123
sequence stratigraphic model, 71 pressure decay, 123
HST, 71 T relaxation time, 93 pulse decay, 123
2
relative sea level, 27, 72, 75 tangential momentum accommodation upscaling, 278
SB, 71 coefficient (TMAC), 259 upwelling currents, 73
TSE, 71 technically recoverable resource (TRR), 1 US Bureau of Mines (USBM), 57
TST, 71 tectonic
shale engineering, 365 activity, 151, 164, 165 velocity anisotropy, 127, 133
shale maps, 11 loading, 141, 156 vertical effective stress, 141
short time aperture (STA), 227 processes, 27 vertical well(s), 61, 196, 297
shrunk length model (SLM), 252 setting, 76 vitrinite, 54, 129
slick water, 47 tessellated surface, 232 vitrinite reflectance, 3, 54–5, 129
slip flow, 250 thermogravimetric analyzer (TGA), 122 volumetric gas adsorption, 124
sonic log, 127 Thomsen’s parameters, 176 VTI behaviour, 176
source rock, 2, 49, 201 tortuosity, 90, 250
spherical flow, 295 total organic carbon (TOC) (content), 50, water column, 24, 32, 33, 36
spontaneous imbibition, 342 118, 201–2 water resources, 13, 381, 386,
static corrections, 225 total porosity, 128, 143 389–90
stimulated reservoir volume (SRV), 210, triaxial test, 170, 171 water use, 381
240, 284 Tributary Drainage Volume (TDV), 240 well instability, 193
stimulation, 48, 220, 371 well spacing, 207, 310
storage pores, 143 ultrasonic tests, 172 wettability, 267, 274, 341
strain, 209 P‐wave, 172 wide azimuth (WA), 202
stress, 209 S‐wave, 172 Woodford Shale, 74
stress field, 152 unconventional
subhorizontal cracks, 191 hydrocarbon resource, 1 xanthan Gum (xG) polymer, 351
sub‐irreducible initial water saturation, 356 resource shales, 71, 72 x‐ray diffraction (xRD), 90, 160