Page 220 - Open-Hole Log Analysis and Formation Evaluation
P. 220

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                                                                                          1  |           mceewe   GLAUCONITE   FELDSPAR  K.   OPEN-HOLE
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                      Schlumberger
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                                2
                                                  Na
                                                                                    "       THK   10       peop  iit  1   —_————   :   MUSCOVITE,   ILLITE       LOGGING   MEASUREMENTS
                                                   e
                              Potassium
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                              Concentration
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                                (3
                                                                                   Ratios for
                              (%)
                                   Potassium
                                                                                 et  al.
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                                          80%  Glauconite  Line
                                                              9
                                                                                         100

                                       /
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                       Identification.
                                         30%  Feldspar  Line




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                      Crossplots.
                                                          Glauconite


                                2
                     (a)
                     P,
                                        |       M uscovile   |   [To              i      J   Biotite           Potassium  Concentration  (%)                             °       Glauconite
                                  |
                                3

                     us.

                                                  Iilite
                       Photoelectric  Absorption
                                    /   :   Montmorillonite              Mixed   6               INite
                     K.
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                              ThIK,  Thorium-Potassium
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                 .  y   Th/K.   (P,)   20°                    Chiorite
                                                      a
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                                30
                                                                        :   !  i       -—_Muscovlte           Biotite
                                                                              i
                     Courtesy
                                  :                                                 i
                       and  Natural

                                60
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                     Schlum-
                       Gam-

                                100
                                                                          10,
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                                                                                                           4  |  .   :



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