Page 122 - Petrophysics
P. 122

POROSITY          95























                                                                 G1FlidlMsYOmE  *zit


                                                  Qrrtln -fiupport
                                               (Lrtg+  Pnrtlcle  Ste$
                                Figure 3.3. Mud and grain support in depositional fabric [9].





























                                Figure 3.4. Fine and medium cvstal support in dolomites [9].



                       to identify, and Scanning Electron Microscopy (SEM)  and petrographic
                       techniques are necessary to observe this porosity.
                         Visual  recognition  of  unconnected vug  porosity  depends  on  the
                       granular texture of  the rock and origin of  the vugs. Intrafossil, shelter,
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