1. Summary PF-HAB is a kind of super inhibitor, which
composed by primary amine and tertiary amine.It can effectively
reduce clay’s moving rate and has good compatibility with other
additives.Mainly used for reducing drilling fluid and
completion fluid filtrate’s influence on water sensitivity
mineral.PF-HAB can improve the well wall’s stability
and reduce the damage for petroleum reservoir. 2. Usage range Applicable
temperature:≤**0℃（BHCT） Recommend dosage：**3%
