Page 34 - Open-Hole Log Analysis and Formation Evaluation
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                                                                                          appendix
                                                                                             to
                                                                                               SUMMARY
                                                                                                                      METHODS
                                                                                          to
                                                                                                         time.
                                                                                        logging  tools,
                                                                                                     related
                                                                                             put
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                                                                                                     to
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                                                                                          chapter
                                                                                                               magnetic
                                                                                                                      GATHERING
                                                                                            tools,
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                                                                                        their  measurements,  and  the

                                                                                                         rate
                                                                                          summary
                                                                                            curves
                                                                                                               tool
                                                                                          of
                                                                                            1   surveys,   content   of  the   formation.   water   measured  quantity   intense  magnetic  field:  The   after   precession  the   consumer  of   ifit  is  to  work  and  is   a  voracious   times.   Itrequiressome  doping   resurrected  several   (NMR)   resonance   Resonance   17   EVALUATION   FORMATION

                                                                                                               has
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                                                                                                                      DATA
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                                                                                          common
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                                                                                            the
                                                                                        they  may  be
                                :

                                     :
                                   E
                                  a
           FIGURE
           14.1
                       |   Curves   recorded:   Operating  '   principle:   Often   combined  with:   en   Limitations:   Purpose:  .   When  run:  .   Names  &   abbreviations:   Type   of  tool:   Generic  name  of  log:   POTENTIAL   MILLIVOLTS   MEASUREMENTS  ,   APPENDIX  1A:  ,   FORMATION  1.

                 /.
                                  -   Primary  log  in  fresh  mud  or   oil-based  mud   _IEL,  ISF,   6FF40   Resistivity   Induction   .   OWS  M?/M   RESISTIVITY   THEIR  AND   AND   OPEN-HOLE   LOGGING   TOOLS       OVERVIEW
           Induction  Log.
                 SP
                                                                                                                     EVALUATION
                GR
                   SEL
                          Sonic
                       Deep
                   or
                        20-kHz
                              Behaves
                                Measures
           Courtesy
                        coil
                   short
                             boreholes
                     Conductivity
                                                                                                               USES
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                       induction
                              in
           WELEX,
                        induces
                                formation
                   normal
                              salt
           a

                              muds
                        current
                                resistivity,
                        in
                                R
           Halliburton
                              and/or  large
                        formation
           Company.
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