Inventor · Duncan, OK, US

Max L. Phillippi

22Patents
14h-index
30Co-inventors
81Inventor score

Filing activity: Apr 18, 1989 → Feb 2, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7931088B2 Methods for treating a well by simultaneously introducing into a mixer streams of water, a viscosity-increasing agent, and a particulate and introducing the mixture into the well Emerging Cross-Sectional Technologies 70 Active
US6987083B2 Xanthan gels in brines and methods of using such xanthan gels in subterranean formations Chemistry; Metallurgy 65 Expired
US7048432B2 Method and apparatus for hydrating a gel for use in a subterranean formation Emerging Cross-Sectional Technologies 56 Expired
US7407010B2 Methods of coating particulates Chemistry; Metallurgy 52 Active
US8347957B2 System and method for servicing a wellbore Fixed Constructions 40 Active
US7261158B2 Coarse-foamed fracturing fluids and associated methods Chemistry; Metallurgy 40 Active
US7353875B2 Centrifugal blending system Fixed Constructions 38 Expired
US7824552B2 Mobile systems and methods of sufficiently treating water so that the treated water may be utilized in well-treatment operations Chemistry; Metallurgy 29 Active
US7104328B2 Method and apparatus for hydrating a gel for use in a subterranean well Emerging Cross-Sectional Technologies 26 Expired
US8012358B2 Mobile systems and methods of sufficiently treating water so that the treated water may be utilized in well-treatment operations Chemistry; Metallurgy 22 Active
US7926564B2 Portable well treating fluid mixing system and method Fixed Constructions 21 Active
US4930576A Slurry mixing apparatus Fixed Constructions 19 Expired
US7703518B2 Dust control system for transferring dry material used in subterranean wells Fixed Constructions 18 Active
US5026168A Slurry mixing apparatus Fixed Constructions 14 Expired
US4989987A Slurry mixing apparatus Fixed Constructions 10 Expired
US4951262A Agitator and baffles for slurry mixing Performing Operations; Transporting 6 Expired
US8840298B2 Centrifugal mixing system Fixed Constructions 4 Active
US10018020B2 Decreasing pump lag time using process control Physics 2 Active
US5386361A Method of unsticking material delivery apparatus Physics 1 Expired
US11846170B1 Detection of solid delivery for slurry mixing Performing Operations; Transporting 0 Active
US9657560B2 Methods for forming proppant-free channels in proppant packs in subterranean formation fractures Fixed Constructions 0 Active
US11519253B2 System and method to optimize pumping Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.