[[file:evaluating-fractured-reservoirs_fig1.png|thumb|300px|{{figure number|1}}Crosspiot showing the relative positions of fractured reservoir types 1 through 3 and normal matrix reservoirs (''m'') in the percentage of porosity and permeability space. Symbols: ''k''<sub>''f''</sub> = fracture permeability, ϕ<sub>''f''</sub>= fracture porosity, ''k''<sub>''r''</sub>= matrix permeability, ϕ<sub>''r''</sub>= matrix porosity.]] | [[file:evaluating-fractured-reservoirs_fig1.png|thumb|300px|{{figure number|1}}Crosspiot showing the relative positions of fractured reservoir types 1 through 3 and normal matrix reservoirs (''m'') in the percentage of porosity and permeability space. Symbols: ''k''<sub>''f''</sub> = fracture permeability, ϕ<sub>''f''</sub>= fracture porosity, ''k''<sub>''r''</sub>= matrix permeability, ϕ<sub>''r''</sub>= matrix porosity.]] |