| http://www.w3.org/ns/prov#value | - In addition, additives such as buffers, e.g., acetic acid; bacteriocides, e.g., glutaraldehyde; fluid loss additives, e.g., silica flour; and rheology control agents or friction reducers can be added to one or both phases of the water-in-oil emulsion for a number of reasons such as to increase the viscosity of the fracturing fluid, to delay the onset of turbulence, or to further stabilize the emul
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