Page 13 - Numerical Analysis and Modelling in Geomechanics

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10.8 Group of 3 piles considered in comparison of methods 303
10.9 Comparison of load-settlement response for single pile 309
10.10 Comparison of load-settlement response for 9-pile group 310
10.11 Comparison of axial load distribution in 9-pile group at a working 311
group load of 2.58 MN
10.12 Comparison of axial load distribution in 9-pile group at a group load 312
nearing failure of 5.66 MN
10.13 Comparison of load-settlement response for single pile 314
10.14 Comparison of load-settlement response for 5-pile group 314
10.15 Comparison of load-deflection response for single pile 316
10.16 Comparison of load-deflection response for 6-pile group 316
10.17 Comparison of moment profiles of single pile 317
10.18 Comparison of moment profiles of leading row of piles in 6-pile group 317
under the maximum applied lateral load H-10,948 kN
11.1 East to west cross section of the South Belridge field 325
11.2 Cross section of a reservoir that has undergone significant reservoir 327
compaction
11.3 The yield envelope used in the ABAQUS program 341
11.4 A typical relationship between p and 342
b
11.5 The flow potential surface 343
11.6 Showing that the South Belridge field is a north westward tending 350
anticline
11.7 The finite element mesh for the model presented in this chapter 352
11.8 Detail of the diatomite reservoir rock 352
11.9a Pore pressure field contours for 1978 356
11.9b Pore pressure field contours for 1980 356
11.9c Pore pressure field contours for 1989 357
11.9d Pore pressure field contours for 1995 357
11.10 Computed and actual surface subsidence from 1991 to 1995 358
11.11 Relative slip between the Al shale, Dl shale and the Tulare-diatomite 359
unconformity as of 1995 in the simulation
11.12 Slip on the Tulare-diatomite unconformity computed in 1987 and the 360
1995 simulations
11.13 Well deformations corresponding to Well 551G 361
11.14 Three-dimensional wellbore model 362
11.15 Deformed casing from a shearing simulation 363
11.16 Comparison of computed and measured casing deformation 364
11.17 Casing displacement plotted against shear displacement 365
11.18 Relative slip plotted against the year of well life 366
11.19 Tool passing through a sheared casing 367
11.20 Passable tool length as a function of casing lateral damage 367
11.21 Bending stress that produces permanent bending in two sizes of tubing 368
11.22 Casing length plotted against lateral displacement 369