(Fluid phases) can be immiscible.Logical formLearned from2 sentences. (Fracturing fluids) can be polymeric.Logical formLearned from2 sentences. Damage may be caused by (fracturing fluids).Logical formLearned from2 sentences. Concentration can be in a fluid.Logical formLearned from2 sentences. (Fluid systems) may pertain-to persons.Logical formLearned from2 sentences. Damage may be caused by fluids.Logical formLearned from2 sentences. (Gelling agents) may be used in (fracturing fluids).Logical formLearned from2 sentences. (Fracture fluids) can be unbroken.Logical formLearned from2 sentences. An acoustic velocity may pertain-to a (borehole fluid).Logical formLearned from2 sentences. A reservoir may pertain-to a fluid.Logical formLearned from2 sentences. Relative permeability can be a function of (fluid saturation).Logical formLearned from2 sentences. (Fluid characterizations) can be detailed.Logical formLearned from2 sentences. Treatment of (hydrocarbon fluids) may be desired.Logical formLearned from2 sentences. An investigation can be into effects of (fluid flow).Logical formLearned from2 sentences. A composition may pertain-to a (reservoir fluid).Logical formLearned from2 sentences.