Inventor
WINSLOW DONALD W
US16 patents
⚠️ This page may combine multiple inventors who share the name “WINSLOW DONALD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
8 patentsUS6695051B2Feb 24, 2004
Expandable retaining shoe
HALLIBURTON ENERGY SERV INC81 citations96
US6695050B2Feb 24, 2004
Expandable retaining shoe
HALLIBURTON ENERGY SERV INC91 citations96
US6102117AAug 15, 2000
Retrievable high pressure, high temperature packer apparatus with anti-extrusion system
HALLIBURTON ENERGY SERV INC86 citations96
US6976534B2Dec 20, 2005
Slip element for use with a downhole tool and a method of manufacturing same
HALLIBURTON ENERGY SERV INC67 citations95
US6481497B2Nov 19, 2002
High temperature high pressure retrievable packer with barrel slip
HALLIBURTON ENERGY SERV INC47 citations95
US6378606B1Apr 30, 2002
High temperature high pressure retrievable packer with barrel slip
HALLIBURTON ENERGY SERV INC61 citations95
US5803177ASep 8, 1998
Well treatment fluid placement tool and methods
HALLIBURTON ENERGY SERV INC87 citations94
US6318460B1Nov 20, 2001
Retrievable high pressure, high temperature packer apparatus with anti-extrusion system and method
HALLIBURTON ENERGY SERV INC43 citations92
HALLIBURTON CO
8 patentsUS5029643AJul 9, 1991
Drill pipe bridge plug
HALLIBURTON CO49 citations96
US5456322AOct 10, 1995
Coiled tubing inflatable packer with circulating port
HALLIBURTON CO49 citations95
US5383520AJan 24, 1995
Coiled tubing inflatable packer with circulating port
HALLIBURTON CO53 citations95
US4691779ASep 8, 1987
Hydrostatic referenced safety-circulating valve
HALLIBURTON CO72 citations95
US5058684AOct 22, 1991
Drill pipe bridge plug
HALLIBURTON CO41 citations92
US5044434ASep 3, 1991
Long stroke packer
HALLIBURTON CO8 citations72
US4989672AFeb 5, 1991
Packer locking apparatus
HALLIBURTON CO14 citations72
US4560004ADec 24, 1985
Drill pipe tester - pressure balanced
HALLIBURTON CO15 citations72