Fig. 9 AFM images of (a) aged mica, (b) aged mica surface treated with C16TAB, and (c) aged mica surface treated with Triton X-100 ( Seiedi et al., 2011 ) More

Fig. 1— Materials used: (a) mica, ( b ) wheat, ( c ) oak shell, and (d) cane. More

Fig. 5— Dynamic sealing pressure of mica-contained pills at 25 ppb concentration exposed to the smaller fracture. More

Fig. 6— Dynamic sealing pressure of mica-contained pills at 25 ppb concentration exposed to the greater fracture. More

Fig. 7— Dynamic sealing pressure of mica-contained pills at 50-ppb concentration exposed to the smaller fracture. More

Fig. 8— Dynamic sealing pressure of mica-contained pills at 50 ppb concentration exposed to the greater fracture. More

Fig. 2— Force-distance profiles of mica surfaces in the cyclohexane solution containing 0.2 wt% bitumen during the ( a ) approaching and ( b ) separating processes at different adsorption times. ( c ) Hard wall distance and range of repulsion between two mica surfaces as a function of adsorption t... More

Fig. 3— AFM images of bitumen-coated mica surfaces that were prepared by immersing in bitumen-containing cyclohexane solution for different time intervals (5, 10, 20, 30, 40, and 50 minutes). More

Fig. 4— Force-distance profiles of two mica surfaces in cyclohexane-heptane mixture solution (volume ratio 3:1) containing 0.2 wt% bitumen during the ( a ) approaching and ( b ) separating processes. ( c ) Hard wall distance and range of repulsion between two mica surfaces as a function of adsorpt... More

Fig. 5— Force-distance profiles of two bitumen-coated mica surfaces in cyclohexane-heptane mixture solutions with different cyclohexane/heptane volume ratios (1:0, 3:1, 1:3, 0:1). More

Fig. 3 Untreated and treated in hot water: (a) quartz, (b) calcite, (c) mica, and (d) Grosmont. More