Figure 2 (a) Reference log-horizontal permeability map (millidarcy); (b) mean of prior ensemble for Log-horizontal permeability maps; (c)-(d) samples #1 and #2 of the prior realizations More

Figure 1 Matrix permeability field (in millidarcy). More

Figure 9 Effect of transverse fracture spacing for 0.5 millidarcy formation with a single horizontal well design. More

Figure 10 Effect of parallel fracture spacing for 0.5 millidarcy formation with a single horizontal well design. More

Figure 11 Effect of fracture orientation for 0.5 millidarcy formation with a single horizontal well design. More

Figure 1 Horizontal permeability map (millidarcy) for 5 layers of PUNQ-S3 model More

Figure 1 (a) Log-horizontal permeability map (millidarcy), and (b) porosity map for the reference PUNQ-S3 model. More

Fig. 18 Generated random permeability field, with permeability in millidarcies and dimensions in feet. More

Fig. 3 The permeability (in millidarcies) and the porosity field of the reference model. In the upper-right corner, the cross section through the small part (seven gridblocks) of the field is shown. More

Fig. 2 Reference (a) ln( k ) field ( k is the permeability in millidarcies) and the corresponding saturation (b) after 3,500 days of simulation. In Fig. 2b, the blue color denotes water, green denotes gas, and the black dots denote the four gas producers. More

Fig. 6 The mean ensemble ln( k ) field ( k is the permeability in millidarcies) after different update times. The black curve denotes the reference water-front position at that particular time. In the top row, results for the scenario with dist = 1km and σ ξ = 2 μGal and in the bottom row re... More

Fig. 15 The mean ensemble ln( k ) field ( k is the permeability in millidarcies) after the final update at 3,500 days vs. different amounts of the data assimilated: (a) only production data without localization, (b) only production data with localization, (c) only gravity data, and (d) both types... More

Figure 13 (a) Randomly generated permeability field in millidarcies. (b) Oil recovery for the simulation case study. More

Fig. 10 Reference permeability distribution (in millidarcies) showing the location of injection and production wells. More

Fig. 3 Reference permeability field (millidarcies). More

Fig. 5 Predicted permeability field (millidarcies) after a global optimization. More

Fig. 7 Predicted permeability field (millidarcies) after a local optimization. More

Fig. 9 Reference permeability field (millidarcies). More

Fig. 11 Initial permeability field (millidarcies). More