GYP muds are used primarily to drill massive and soluble sections of anhydrite (calcium sulfate) whereby the mud system is “gypped-over” in order to drill the anhydrite without additional contamination effects from soluble calcium.
"We would like to take this time to thank you and commend the entire HiTech team for their involvement."
"Employing the two phased oil based fluid from HiTech Fluid Systems to drill our deep foothills wells, has realized significant cost reductions."