Inventor
MORRIS ARTHUR J
US41 patents
⚠️ This page may combine multiple inventors who share the name “MORRIS ARTHUR J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CAMCO INT
21 patentsUS6247536B1Jun 19, 2001
Downhole multiplexer and related methods
CAMCO INT148 citations99
US5394951AMar 7, 1995
Bottom hole drilling assembly
CAMCO INT167 citations99
US6491102B2Dec 10, 2002
Downhole multiplexer and related methods
CAMCO INT53 citations96
US6026897AFeb 22, 2000
Communication conduit in a well tool
CAMCO INT54 citations96
US5996687ADec 7, 1999
Full bore variable flow control device
CAMCO INT73 citations96
US5918669AJul 6, 1999
Method and apparatus for remote control of multilateral wells
CAMCO INT40 citations96
US5823263AOct 20, 1998
Method and apparatus for remote control of multilateral wells
CAMCO INT36 citations96
US5314032AMay 24, 1994
Movable joint bent sub
CAMCO INT68 citations96
US5311939AMay 17, 1994
Multiple use well packer
CAMCO INT63 citations96
US5236047AAug 17, 1993
Electrically operated well completion apparatus and method
CAMCO INT42 citations96
US5230383AJul 27, 1993
Electrically actuated well annulus safety valve
CAMCO INT51 citations96
US5207272AMay 4, 1993
Electrically actuated well packer
CAMCO INT47 citations96
US6012518AJan 11, 2000
Electro-hydraulic well tool actuator
CAMCO INT83 citations95
US5165480ANov 24, 1992
Method and apparatus of locking closed a subsurface safety system
CAMCO INT86 citations95
US5927401AJul 27, 1999
Method and apparatus for remote control of multilateral wells
CAMCO INT32 citations93
US5494105AFeb 27, 1996
Method and related system for operating a downhole tool
CAMCO INT22 citations93
US5226491AJul 13, 1993
Solenoid operated blanking block valve
CAMCO INT24 citations93
US4983803AJan 8, 1991
Method of making a subsurface well safety valve
CAMCO INT32 citations93
US5348088ASep 20, 1994
Coiled tubing external connector with packing element
CAMCO INT38 citations92
US5960874AOct 5, 1999
Apparatus for remote control of multilateral wells
CAMCO INT5 citations74
US5861562AJan 19, 1999
Flow measurement mandrel
CAMCO INT6 citations63
CAMCO INC
15 patentsUS4531581AJul 30, 1985
Piston actuated high temperature well packer
CAMCO INC152 citations99
US4926945AMay 22, 1990
Subsurface well safety valve with curved flapper and method of making
CAMCO INC79 citations96
US4844166AJul 4, 1989
Method and apparatus for recompleting wells with coil tubing
CAMCO INC82 citations96
US4771831ASep 20, 1988
Liquid level actuated sleeve valve
CAMCO INC78 citations96
US4605070AAug 12, 1986
Redundant safety valve system and method
CAMCO INC62 citations96
US4718488AJan 12, 1988
Pump-out plug system for a well conduit
CAMCO INC29 citations93
US4688593AAug 25, 1987
Well reverse flow check valve
CAMCO INC40 citations93
US4444403AApr 24, 1984
Thermal and/or corrosion seal for a well tool
CAMCO INC31 citations93
US4791991ADec 20, 1988
Subsurface well safety valve with hydraulic strainer
CAMCO INC32 citations90
US4703805ANov 3, 1987
Equalizing means for a subsurface well safety valve
CAMCO INC24 citations82
US4362214ADec 7, 1982
Tubing retrievable variable setting differential pressure actuated well safety valve
CAMCO INC28 citations82
US4562854AJan 7, 1986
Piston actuated chemical injection valve
CAMCO INC18 citations74
US4141413AFeb 27, 1979
Hydraulic actuated weight set well packer
CAMCO INC16 citations72
US4694908ASep 22, 1987
Method and apparatus of injecting fluid into a well conduit by coil tubing
CAMCO INC9 citations71
US4600055AJul 15, 1986
Tubular well tool receiving conduit
CAMCO INC13 citations70
SCHLUMBERGER TECHNOLOGY CORP
2 patentsUS6892816B2May 17, 2005
Method and apparatus for selective injection or flow control with through-tubing operation capacity
SCHLUMBERGER TECHNOLOGY CORP23 citations93
US6631767B2Oct 14, 2003
Method and apparatus for selective injection or flow control with through-tubing operation capacity
SCHLUMBERGER TECHNOLOGY CORP19 citations84