| http://www.w3.org/ns/prov#value | - The FPV system is described herein primarily in terms of hydraulic fracturing, but it is also suitable for gravel packing, or for fracturing and gravel packing in one operation (called, for example frac and pack, frac-n-pack, frac-pack, Stimpac treatments, or other names), which are also used extensively to stimulate the production of hydrocarbons, water and other fluids from subterranean formatio
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