Completion Fluid 2
Completion Fluid 2 : A brine, oil or gas based fluid that is used as isolation (kill, separation, inhibition functions, etc.) fluid during the completion of a well. Commonly sea water, NaCl brine, formation water, KCl brine, CaCl2 brine, etc. Oil based fluids are common where formation sensitivities with shales, clays, minerals, etc., prevent use of aqueous fluids