Additional insight was gained by evaluating the initial bubble count per mm 2 for each concentration, as shown in Figure . The results reveal a clear trend: increasing surfactant concentration from 0.1 to 1.0 wt % leads to a higher number of initial bubbles, indicating improved gas dispersion and foam generation efficiency.
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Foam Stability Evaluation of a Biodegradable Surfactant with Green Polymeric Stabilizers for Underbalanced Drilling Fluids.
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