Page 11 - Reservoir Geomechanics

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PART III: APPLICATIONS

10 Wellbore stability 301

Preventing wellbore instability during drilling 303
Quantitative risk assessment 312
Role of rock strength anisotropy 317
Mud/rock interaction 321
Maximizing the frac gradient 322
Mud penetration and time-dependent wellbore failure 330
Preventing sand production 331

11 Critically stressed faults and fluid flow 340

Fractured reservoirs and permeability anisotropy 341
Some representative case studies 349
Identification of critically stressed faults and breakout rotations 358
Intentionally induced microseismicity to enhance permeability 360
Fault seal/blown trap 362
Dynamic constraints on hydrocarbon migration 369

12 Effects of reservoir depletion 378

Stress changes in depleting reservoirs 380
Deformation in depleting reservoirs 397
Deformation and stress changes outside of depleting reservoirs 412

References 423
Index 445
The plates are to be found between pages 180 and 181.