... the prediction model of drillability. clastic rock rock type geology log analysis sedimentary rock wellbore design sandstone hardness geologist drilling operation well logging drillability reservoir characterization pore characteristic society iop publishing iop conf experiment pore...

... capillary pressure threshold (Figure 4), higher than the Berea sandstone with 3.21 kPa. In general, the Ainoura sandstone has bi-modal 1012 distribution whereas the Berea sandstone has uni-modal distribution. This indicates that pore characteristic of the Ainoura sandstone is more heterogeneous than...