| http://www.w3.org/ns/prov#value | - Thus, the skilled practitioner can select the polymer, crosslinker, surfactant types and concentrations, and foam qualities to create foamed gels across a wide range of viscosities, structures, stabilities, and densities as desired, thereby ensuring the effective performance of the foamed gel as a completion, workover, or kill fluid, in accordance with the fracturing or parting pressure gradient a
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