Page 219 - Intelligent Digital Oil And Gas Fields
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172                                       Intelligent Digital Oil and Gas Fields




                             Water  4%  0.65  −0.15  0  0  0.25  0  0.25  1  factors

                             Heavy  oil  13%  0.35  0.15  0.1  0.01  −0.55  0.1  −0.25  −0.09  common

                                    0.45  0.2  0.17  0.02  0.1  −0.15  −0.25  0.54  the
                             Oil  8%                    shows

                              Condensade  16%  0.25  −0.25  −0.45  0.1  −0.15  −0.08  0.08  −0.5  right



                                    0.55  0.35  0.25  0.15  0.1  −0.15  −0.25  1  the  on
                              Gas  5%
                                                        Table  meter.

                            Factors affecting the  VFM calculation  Typical errors  Raw Data problems  Adjusment of coefficients  PVT and EoS calibration  Plaque gas orifice misreading  Multiphase flow correlation  Reservoir Pressure no updated  Flowing under critical cond'n  flow  gas  with










                                                  0.30  compared
                                                  0.25
                                                  0.20  reading
                                                  0.15
                                                  0.08  gas  type.
                                                  0.05  for  fluid
                                                  0.00 Relative error compared to flow meters  VFM  in  different
                                                  -0.40 -0.35 -0.30 -0.25 -0.20 -0.15 -0.08 -0.05  distribution  error  per readings  VFM













                            350  300  250  200  150  100  50  0  Relative  5.11  the affecting
                                                        Fig.
                                         Count /day
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