School of Petroleum Engineering;
Chongqing University of Science&Technology;
Chongqing 401331;
China;
National and Local Joint Engineering Research Center of Shale Gas Exploration and Development;
Chongqing 401120;
China;
Key Laboratory of Complex Oil and Gas Field Exploration and Development;
Chongqing University of Science&Technology;
Chongqing 401331;
China;
The First Oil Production Plant of Changqing Oilfi eld;
PetroChina Company Limited;
Shanxi Yan’An 716000;
China;
Logging Application Research Institute;
CNPC Logging;
Shanxi Xi’An 710000;
China;
Well Logging Company;
Shengli Oilfi eld Service Corporation;
Sinopec;
Shandong Dongying 257096;
China;
Porous media; X-CT; image segmentation; digital core; electrical resistivity simulation;