Inventor · Bellaire, TX, US

Philip F. Sullivan

51Patents
19h-index
77Co-inventors
83Inventor score

Filing activity: Jul 9, 1997 → Aug 1, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US7084095B2 Methods for controlling the rheological properties of viscoelastic surfactants based fluids Emerging Cross-Sectional Technologies 154 Expired
US7081439B2 Methods for controlling the fluid loss properties of viscoelastic surfactant based fluids Chemistry; Metallurgy 126 Expired
US7380600B2 Degradable material assisted diversion or isolation Fixed Constructions 99 Active
US7066260B2 Dissolving filter cake Emerging Cross-Sectional Technologies 96 Expired
US7219731B2 Degradable additive for viscoelastic surfactant based fluid systems Emerging Cross-Sectional Technologies 90 Expired
US7775278B2 Degradable material assisted diversion or isolation Fixed Constructions 61 Active
US5981446A Apparatus, compositions, and methods of employing particulates as fracturing fluid compositions in subterranean formations Emerging Cross-Sectional Technologies 59 Expired
US7677311B2 Internal breaker for oilfield treatments Emerging Cross-Sectional Technologies 53 Active
US7398826B2 Well treatment with dissolvable polymer Chemistry; Metallurgy 50 Active
US8167043B2 Degradable material assisted diversion or isolation Fixed Constructions 49 Active
US7857051B2 Internal breaker for oilfield treatments Emerging Cross-Sectional Technologies 49 Active
US7748452B2 Polymeric microspheres as degradable fluid loss additives in oilfield applications Chemistry; Metallurgy 37 Active
US6419019B1 Method to remove particulate matter from a wellbore using translocating fibers and/or platelets Fixed Constructions 33 Expired
US8119574B2 High solids content slurries and methods Fixed Constructions 32 Active
US8043999B2 Stabilizing biphasic concentrates through the addition of small amounts of high molecular weight polyelectrolytes Chemistry; Metallurgy 31 Active
US6085844A Method for removal of undesired fluids from a wellbore Fixed Constructions 29 Expired
US7665522B2 Fiber laden energized fluids and methods of use Emerging Cross-Sectional Technologies 21 Expired
US8044000B2 Polymer delivery in well treatment applications Performing Operations; Transporting 21 Active
US8215393B2 Method for treating well bore within a subterranean formation Fixed Constructions 19 Active
US7703521B2 Polymeric microspheres as degradable fluid loss additives in oilfield applications Chemistry; Metallurgy 16 Active
US7975764B2 Emulsion system for sand consolidation Chemistry; Metallurgy 15 Active
US7287590B1 Internal breaker for oilfield fluids Emerging Cross-Sectional Technologies 13 Active
US8042614B2 Fiber laden energized fluids and methods of use thereof Emerging Cross-Sectional Technologies 12 Active
US7637320B2 Differential filters for stopping water during oil production Performing Operations; Transporting 12 Active
US7798224B2 Rheology controlled heterogeneous particle placement in hydraulic fracturing Chemistry; Metallurgy 12 Active

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