Page 478 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
P. 478

434    Production


                                                    t
                                                     Vapor


                                                    i
                                                     Drops




                                                    i
                                                     Drop-annular




                                                     Annular







                                                    -I
                                                     Slug-onnulor



                                                    Ig






                                                       I
                                                    i
                                                     Bubbly slug



                                                     Bubbly








                       Figure 6-42.  Possible sequence of  flow  patterns in a  vertical tube  [21].
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