Inventor · Sugar Land, TX, US

Dean M. Willberg

67Patents
29h-index
93Co-inventors
91Inventor score

Filing activity: May 29, 1997 → Mar 12, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5979557A Methods for limiting the inflow of formation water and for stimulating subterranean formations Emerging Cross-Sectional Technologies 350 Expired
US6435277B1 Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations Emerging Cross-Sectional Technologies 220 Expired
US7581590B2 Heterogeneous proppant placement in a fracture with removable channelant fill Fixed Constructions 137 Active
US6837309B2 Methods and fluid compositions designed to cause tip screenouts Fixed Constructions 122 Expired
US7451812B2 Real-time automated heterogeneous proppant placement Fixed Constructions 109 Active
US7265079B2 Self-destructing filter cake Emerging Cross-Sectional Technologies 105 Expired
US7380600B2 Degradable material assisted diversion or isolation Fixed Constructions 99 Active
US8066068B2 Heterogeneous proppant placement in a fracture with removable channelant fill Fixed Constructions 90 Active
US7275596B2 Method of using degradable fiber systems for stimulation Emerging Cross-Sectional Technologies 84 Expired
US7775278B2 Degradable material assisted diversion or isolation Fixed Constructions 61 Active
US7134492B2 Mapping fracture dimensions Fixed Constructions 53 Expired
US8490700B2 Heterogeneous proppant placement in a fracture with removable channelant fill Fixed Constructions 50 Active
US7398826B2 Well treatment with dissolvable polymer Chemistry; Metallurgy 50 Active
US8167043B2 Degradable material assisted diversion or isolation Fixed Constructions 49 Active
US8763699B2 Heterogeneous proppant placement in a fracture with removable channelant fill Chemistry; Metallurgy 47 Active
US8636065B2 Heterogeneous proppant placement in a fracture with removable channelant fill Chemistry; Metallurgy 46 Active
US8757259B2 Heterogeneous proppant placement in a fracture with removable channelant fill Chemistry; Metallurgy 45 Active
US8061424B2 Method for hydraulic fracturing of subterranean formation Emerging Cross-Sectional Technologies 42 Expired
US7482311B2 Self-destructing filter cake Emerging Cross-Sectional Technologies 41 Expired
US9085727B2 Heterogeneous proppant placement in a fracture with removable extrametrical material fill Chemistry; Metallurgy 36 Active
US8230925B2 Degradable fiber systems for stimulation Emerging Cross-Sectional Technologies 35 Active
US8584755B2 Method for hydraulic fracturing of subterranean formation Emerging Cross-Sectional Technologies 34 Active
US6419019B1 Method to remove particulate matter from a wellbore using translocating fibers and/or platelets Fixed Constructions 33 Expired
US9670764B2 Heterogeneous proppant placement in a fracture with removable channelant fill Chemistry; Metallurgy 33 Active
US10030495B2 Heterogeneous proppant placement in a fracture with removable extrametrical material fill Chemistry; Metallurgy 30 Active

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