Page 42 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
P. 42

30    Reservoir Engineering
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                                   60      IO0     140     180     220     260

                                             TEMPERATURE,  OF



                                          CORRECTION  FOR  BRINE  SALLNITY





                                         0       IO     20      30      40
                                          TOTAL SOLIDS  IN  BRINE.  ppm  x
                               Figure 5-27.  Solubility of  natural gas in water  [22].


                      P,  =(A+;).                                                 (5-17)

                    where A = - 0.04518 + 0.009313 (%NaCI) - 0.000393 (%NaC1)5
                          B  = 70.634 + 0.09576 (%NaCI)2
                          T = temperature, OF
                         fpt = 1 + [3.5 E - 12 p2 (T - 40)]
                    The correlation should only be  used as  an estimate and  applies for pressures
                    less than  10,000 psi, salinity less  than 26% NaCI,  and in a temperature  range
                    of  60" to 400°F.
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