Page 261 - Applied Petroleum Geomechanics

252 Applied Petroleum Geomechanics

2.8 2.8 showing

2.6 2.6 wells
Rhob from Gardner Rhob from Gardner 2.4 2.4 2.2 2.2 Density (g/cc) Density (g/cc) several

Vp fm Vs Vp fm Vs 2.0 2.0 in plots 2011).

1.8 1.8
15000 15000 13000 13000 11000 11000 9000 9000 7000 7000 5000 5000 velocityedensity Wieseneck,

Vp from Vs (ft/sec)
Vp from Vs (ft/sec)
6000 6000 and and (Zhang

Rhob Rhob Bowers Bowers Power (Rhob) Power (Rhob) 4000 4000 VES (psi) VES (psi) stress, effective formations

2000 2000 gas shale
densityevertical

0 0 Haynesville
2.8 2.8 2.6 2.6 2.4 2.4 2.2 2.2 2 2 1.8 1.8 1.6 1.6
(VES), stress and Bossier
Density (g/cc)
Density (g/cc)
6000
6000
Vp fm Vs Vp fm Vs Bowers Bowers Power (Vp fm Vs) Power (Vp fm Vs) 4000 4000 VES (psi) VES (psi) effective the in exist

2000 2000 Velocityevertical may

0 0 behavior
15000 15000 13000 13000 11000 11000 9000 9000 7000 7000 5000 5000 7.14
Figure unloading

Vp from Vs (ft/sec)
Vp from Vs (ft/sec)