Page 235 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
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404    Reservoir Engineering


                                                 TEMPERATURE  IN  OF

                                                        FaR THE  IHlEETlOll RUlO













                                             This section-
                                             expanded below




























                    Figure 5-125.  The effect of  water  injection on a temperature log  for  several
                    injection water temperatures [221].
                      The specific gravity  reading is  not  exclusively  dependent on  fluid density.
                    Since the  fluids  are also  flowing while measurements are being  made,  other
                    terms must be added
                      PP-       =pXl.O  + K + F)                                 (5-123)

                    where pgrdompDomem specific gravity reading of the instrument, g/cc
                                    =
                                  pf = specific gravity of the fluid in the casing (oil + water + gas),
                                      g;/cc
                                  k = a kinetic term
                                  F = a friction term from fluid flowing around the tool
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