Inventor
STEPP LEE W
US12 patents
Patents
12 patentsUS5394941AMar 7, 1995
Fracture oriented completion tool system
HALLIBURTON CO127 citations98
US5400855AMar 28, 1995
Casing inflation packer
HALLIBURTON CO77 citations96
US5381862AJan 17, 1995
Coiled tubing operated full opening completion tool system
HALLIBURTON CO81 citations96
US5314015AMay 24, 1994
Stage cementer and inflation packer apparatus
HALLIBURTON CO72 citations96
US4712619ADec 15, 1987
Poppet valve
HALLIBURTON CO79 citations96
US4583593AApr 22, 1986
Hydraulically activated liner setting device
HALLIBURTON CO110 citations96
US4664188AMay 12, 1987
Retrievable well packer
HALLIBURTON CO61 citations95
US5109925AMay 5, 1992
Multiple stage inflation packer with secondary opening rupture disc
HALLIBURTON CO92 citations93
US5348089ASep 20, 1994
Method and apparatus for the multiple stage cementing of a casing string in a well
HALLIBURTON CO35 citations92
US4606408AAug 19, 1986
Method and apparatus for gravel-packing a well
HALLIBURTON CO53 citations92
US4418754ADec 6, 1983
Method and apparatus for gravel packing a zone in a well
HALLIBURTON CO34 citations92
US4683955AAug 4, 1987
Automatic fill-up floating apparatus
HALLIBURTON CO29 citations91