Sequential Methods for Coupled Geomechanics and Multiphase Flow

162 CHAPTER 5. FIXED-STRAIN AND FIXED-STRESS SPLITS
Dimensionless pressure P d =(P−P i )/P i
0.8
0.7
0.6
0.5
0.4
0.3
Pressure history at (2,5), τ=∞, α=1.0
K est
=1.05× K1D
dr dr
K est
=0.95× K1D
dr dr
K est
dr =K3D
dr
FC
0 0.2 0.4 0.6 0.8 1 1.2
x 10 −4
0.2
Dimensionless time t =4c t/Lz/Lx
d v
Figure 5.18: Pressure history at the observation well (2,5) for Case 5.6 with different devi-
ation factors when 0.95 × K 1D
dr
, 1.05 × K1D
dr
, and K3D
dr
are taken for Kest
dr .