Reservoir Solutions

Material Balance

Havlena and Odeh Method

Source: Fundamental of Reservoir Engineering by L.P. Dake (page 91)
Pressure
(psia)
Np
(MMstb)
Rp
(scf/stb)
Bo
(rb/stb)
Rs
(scf/stb)
Bg
(rb/scf)
The first row of the above table represents the Initial Pressure or the Bubble Point Pressure

STOIIP, N =MMSTB      Gas Cap Size, m=