Method obtains alkali formate packer fluid thermal conductivity

A study determined alkali formate, a packer, by using existing correlations. An ion characteristic coefficient for formate (σHCOO–) is –0.007535.The oil and gas industry uses aqueous salt solutions as completion fluids (packer fluids) in producing wells. These packer fluids range in density from 1.02 g/ml for a KCl solution to 2.52 g/ml for a ZnBr2 solution.Operators select packer fluids based on bottomhole pressure, corrosion, carbon dioxide content in the flowing fluid, and crystallization temperature. Click here to enlarge imageThe insulating property of the packer fluid has become recently an issue as the industry produces from deeper water. The cooling effect of the...

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