Page 55 - Open-Hole Log Analysis and Formation Evaluation
P. 55

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                                                   the
                                                                         the
                                                                                         Coal
                                               Apart
                                                                                                                  TABLE
                                                                                                                      aA
                                                      ment,
                                                        hands.
                                                                             special
                                                                                                Medium
                                                                                             Residual
                                                                                                        "Medium
                                                                                                    Lightoil
                                                                                         bed
                                                          vagaries
                                                                                                                  2.1
                                                                                                                      AN
                                                     the
                                                              formation
                                             making
                                               from
                                                                                            oil
                                                                         points
                                                                                                    gas
                                                                               Another
                                                                  SUMMARY
                                                                                                            Light dry  gas
                                                          of
                                                                                                               Hydrocarbon
                                                                           production
                                                   location
                                                            investigation
                                                        When
                                                                Hydrocarbon
                                                                                                gravity
                                                                          is
                                                                        fall.
                                                          the
                                                   Of
                                                                                                                      UE
                                               these
                                                                                                oil
                                                            of
                                                 semiquantitative
                                                     analyst
                                                       the
                                                                                                        density gas
                                                                well
                                                                                                            os
                                                                                                               :
                                             decisions
                                                                             logarithmic
                                                                                     Source:  After  Haworth
                                                            both
                                                                               technique
                                                 idea
                                                     may
                                                                                                                  Hydrocarbon
                                                                                            .
                                             on
                                                          process
                                                              evaluator  and
                                                                          predicted
                                                   reservoir
                                                 of
                                                                                     et  al.
                                                                            grid
                                                            the
                                                                               used
                                                                                                                      OU
                                                                logging
                                                     hope
                                                              the
                                                                            as
                                                                              is
                                             coring
                                                   rocks
                                                     to
                                                 their
                                                                                                                  Potential
                                                           rock
                                                                                     1984.
                                                                can
                                                                                            >
                                               considerations,
                                                                              to
                                                       measurements
                                                   in
                                                                                                              GWR

                                                                          according
                                             and
                                                              drilling
                                                                                        15-20%
                                               use
                                                                                            40%
                                                           and
                                                                                                            05%
                                                         whereby  the
                                                       are
                                                     know,
                                                   the
                                                                          to
                                                                              plot
                                                                                                              (%)
                                                                            shown
                                                                                                        0.5-175%
                                                                                                175%-40%
                                                                                                                      PURIMA  LION
                                                                                                    SOK.
                                                           its
                                                 porosity
                                                                supply
                                               of a
                                                                          the
                                                                            in
                                             testing
                                                                                                           -
                                                       made
                                                     before
                                                 and
                                                           pore
                                                             engineer
                                                                                                       <<
                                                                                        “<
                                                         samples
                                               mud
                                                                          area
                                                   column
                                                                              straight
                                                                                                              LHR
                                                                                                           100%
                                                                            figure
                                                       using
                                                             and
                                                               real-time
                                            depths.
                                                                                            5-10%
                                                                                        100%
                                                                                                           +
                                                                                                       100%
                                                                                                              (%)
                                                                                                —<10%®-
                                                         arrive
                                                                          of  the
                                                                                                                      BVALUALION
                                                           fluids,
                                                   drilled
                                                     running
                                                                            2.3.
                                              logging
                                                         in
                                                               data
                                                                                                           _
                                                             allows
                                                                              C-number
                                                                                                |
                                                   and
                                                             a
                                                 hydrocarbon
                                                                                                                      DATA
                                                         the
                                                                            The
                                                       calibrated
                                                  to
                                                                                                              OCQ
                                                           subject
                                                                                                           very
                                                                                        very
                                                     wireline
                                              unit  will
                                                                              ratios
                                                                                                   308
                                                                                                S10
                                                                                            >2.0
                                                               to  both
                                                           to
                                                                                                       <05.
                                                                                                           low
                                                                                        low
                                                                            type
                                                  have
                                                                                                              Ratio
                                                                              on
                                                content.
                                              help
                                                         analyst’s
                                                           the
                                                             hands-on
                                                  a
                                                    logs,
                                                       equip-
                                                               the
                                                                          graph‘on  which



                                                                              a
                                                                            of

                                                                                    3
                                                                                        4
                                                                                            :
                                                                                                                      41
                                                                                                                     2.
                       =
                                                                                                                     MUD
                  FIGURE
                  2.3
                                                                                                                     LOGGING
                  Formation
                         Ci
                       rey
                  Production
                                                                                                          Nonproductive
                                Nonproductive
                  Potential from
                         Cl
                      CA

                  Carbon-Number  Ratios.

                         Cl
                      —o
                         =
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