Page 107 - Petrophysics 2E
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80     PETROPHYSICS: RESERVOIR ROCK PROPERTIES







                                           PRECIPITATE IN n-PENTANE
                                                    I







                                                SATURATES
                                                AROMATICS


                                  CLAV-GEL                      HIGH PRESSURE
                                                                LlOUlD
                                  ADSORPTION
                                 ,+ +,
                                                                CHROMATOGRAPHY
                                  CHROMATOGRAPHY
                                                              &+
                                                 AROMATICS
                                                         %
                                  SATURATES
                                          %
                      Figure 2.25. Schematic diagram of the chromatographic separation procedures used
                      for extraction of  resins, aromatics, andparaflns from crude oils f35J.



                                       Q



























                      Figure  2.26.  Typical  response  peaks for  high pressure  liquid  chromatographic
                      separation  of  parafJins,  aromatics,  and polar  organic  compounds from  crude
                      oils [35J.
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