Page 342 - Principles of Applied Reservoir Simulation 2E
P. 342
Part V: Technical Supplements 327
Water
- A ^
L "
Gas
L. =
B_ dt B. a/> R 2 a p.
dB^
(32.26)
dP, dt
o o
B... dt
B dt
. o w o
The saturation constraint
S S + S
o + * g = 1 (32.27)
is now used to remove dS^/d/ from Eq. (32.26). Differentiation of Eq. (32.27)
by t and rearranging gives
as as as
—I = _—°- - —in. (32.28)
a? a/ ar
Substituting Eq. (32.28) into Eq. (32.26) and simplifying yields