In case the phases have the same pressure the compressibility of multi-phase fluid can be expressed via compressibilities of single-phase fluids as:
(1) | c_f = c_w \, s_w + c_o \, s_o + c_g \, s_g |
In case the phases have the same pressure the compressibility of multi-phase fluid can be expressed via compressibilities of single-phase fluids as:
(1) | c_f = c_w \, s_w + c_o \, s_o + c_g \, s_g |