Page 220 - Principles of Applied Reservoir Simulation 2E
P. 220

Part HI:  Case Study  205


       from 6000 psig to 0 psig. The separator test conditions and results are presented
       in Table 20-7b.
                                   Table 20-7b
                              Separator  Test (Flash)

                          Sep.P       GOR         FVF
                          (psig)   (SCF/STB)    (RB/STB)
                              100         572

                                I
                                0           78
                               Total GOR =  650        1.5

             The values needed to perform the differential to flash conversion are the
       following:

                           1.50 RB/STB          760 SCF/STB
                    B
                     ojbp                R-sodbp
                           1.63 RB/STB          650 SCF/STB
                     "odbp               ™sojbp
       The corresponding correction  factors are
                                                         x
                         B  (D)  =  B  J(D)  x  —'-—  =  B  ,(D)  0.92
                           0W      odW}    j ^     0W
                         R so(p)  = 650  -  [760  -  R sod(p)}  x  0.92
       Applying these corrections to the differential  data yields the corrected results
       shown in Table 20-7c.


                                   Table 20-7c
                          Corrected  Oil-Phase  Properties

                         Pressure   Oil FVF     OURso
                          (psia)   (RB/STB) (SCF/STB)
                              14.7      1.062           1
                             514.7      1.110          89
                            1014.7      1.191        208
                            1514.7      1.256        310

                           2014.7       1.320        392
                           2514.7       1.380        457
   215   216   217   218   219   220   221   222   223   224   225