I am testing a well with 2 7/8" 6.5# tubing that will eventually be completed with either 4 1/2" 11.6# or 7.00" 26.0# K-55. The well contains 10# Saturated Brine. With a packer set at 2700' in a vertical well and a surface pressure of 1,000 psi @ 4 bpm, what pressure drop due to friction loss...