A wellbore fluid includes an aqueous fluid, a viscosifer, a stabilizer agent, and a lubricant. The aqueous fluid is an inhibitive divalent fluid. A method of preparing the divalent wellbore fluid includes

are provided or formulated, methods produce the divalent wellbore fluids, and methods inject or circulate the inhibitive divalent wellbore fluids into a wellbore or borehole provided in a formation and/or into a reservoir of the formation.