Page 13 - Physical Principles of Sedimentary Basin Analysis

Contents xi

12.5 Hydrofracturing 397
12.6 Gibson’s solution for overpressure 401
12.7 Gibson’s solution for porosity reduction 405
12.8 Overpressure and mechanical compaction 407
12.9 The dimensionless Gibson solution 412
12.10 Further reading 415
13 Fluid flow: basic equations 417
13.1 Conservation of solid 417
13.2 Conservation of fluid 420
13.3 Poroelastic pressure equation 421
13.4 Storage coefficients 422
13.5 Stress, strain and poroelasticity 425
13.6 Stress caused by overpressure 428
13.7 The rate of change of porosity 431
13.8 A general pressure equation 433
13.9 Potential flow 434
13.10 A general equation for the fluid flow potential 437
13.11 Simple pressure equations 437
13.12 Further reading 439
14 Fluid flow: basic equations 440
14.1 Unconfined flow 440
14.2 Meteoric fluid flow 442
14.3 Decay of overpressure and pressure seals 446
14.4 Overpressure decay in clay 452
14.5 Overpressure build-up in clay 454
14.6 The gravity number 457
14.7 Overpressure from thermal expansion 459
14.8 Special cases of fluid expulsion and mineral
reactions 463
14.9 Overpressure from quartz cementation 465
14.10 Overpressure from cementation of pore space 465
14.11 Fluid expulsion and mineral reactions 472
14.12 Overpressure from dehydration of clay 473
14.13 Weak (non-Rayleigh) thermal convection 477
14.14 Thermal convection 482
14.15 Further reading 486
15 Wells 488
15.1 Stationary pressure from a well 488
15.2 Wells and streamlines 491
15.3 The skin factor 493
15.4 Transient pressure from a well 494
15.5 Well testing 499