Inventor
LAUREL DAVID F
US19 patents
⚠️ This page may combine multiple inventors who share the name “LAUREL DAVID F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON CO
12 patentsUS5718292AFeb 17, 1998
Inflation packer method and apparatus
HALLIBURTON CO119 citations98
US5722491AMar 3, 1998
Well cementing plug assemblies and methods
HALLIBURTON CO112 citations97
US5762139AJun 9, 1998
Subsurface release cementing plug apparatus and methods
HALLIBURTON CO129 citations96
US5413172AMay 9, 1995
Sub-surface release plug assembly with non-metallic components
HALLIBURTON CO92 citations96
US4791952ADec 20, 1988
Hydrant and components thereof
HALLIBURTON CO56 citations96
US5566757AOct 22, 1996
Method and apparatus for setting sidetrack plugs in open or cased well bores
HALLIBURTON CO66 citations95
US5488994AFeb 6, 1996
Inflation packer method and apparatus
HALLIBURTON CO57 citations95
US4790341ADec 13, 1988
Hydrant and components thereof
HALLIBURTON CO31 citations92
US5544704AAug 13, 1996
Drillable whipstock
HALLIBURTON CO37 citations91
US5392852AFeb 28, 1995
Sub-surface release plug assembly with primary and secondary release mechanisms
HALLIBURTON CO28 citations86
US4770203ASep 13, 1988
Hydrant and components thereof
HALLIBURTON CO21 citations82
US4763686AAug 16, 1988
Hydrant and components thereof
HALLIBURTON CO23 citations82
HALLIBURTON ENERGY SERV INC
3 patentsUS5758726AJun 2, 1998
Ball drop head with rotating rings
HALLIBURTON ENERGY SERV INC73 citations96
US5829526ANov 3, 1998
Method and apparatus for placing and cementing casing in horizontal wells
HALLIBURTON ENERGY SERV INC93 citations94
US5967231AOct 19, 1999
Plug release indication method
HALLIBURTON ENERGY SERV INC37 citations92