... Introduction to Oil Drilling CMC,“YUYU” CMC oilfield grade is divided into LV and HV(HV)。Slurry with CMC would form ... be applied to different drilling fluid system , Especially in salt water drilling, seawater drilling, saturation salt water drilling, and all have a ... and research the application of PAC & CMC in drilling and completion drilling fluids, our company unfolded a series of oil application ...