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Robert Sorem
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Lawrence, KS, US
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last 30 patents
Information
Patent Grant
Expandable tubing for a well bore hole and method of expanding
Patent number
6,354,373
Issue date
Mar 12, 2002
Schlumberger Technology Corporation
Claude J. Vercaemer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Composite coiled tubing apparatus and methods
Patent number
6,065,540
Issue date
May 23, 2000
Schlumberger Technology Corporation
Bart Thomeer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Composite coiled tubing apparatus and methods
Patent number
5,933,945
Issue date
Aug 10, 1999
Dowell Schlumberger
Bart Thomeer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Composite coiled tubing apparatus and methods
Patent number
5,828,003
Issue date
Oct 27, 1998
Dowell -- A Division of Schlumberger Technology Corporation
Bart Thomeer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inflatable packer with wide slat reinforcement
Patent number
5,613,555
Issue date
Mar 25, 1997
Dowell, a division of Schlumberger Technology Corporation
Robert M. Sorem
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inflation shape control system for inflatable packers
Patent number
5,605,195
Issue date
Feb 25, 1997
Dowell, a division of Schlumber Technology Corporation
David M. Eslinger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inflatable packer with bladder shape control
Patent number
5,507,341
Issue date
Apr 16, 1996
Dowell, a division of Schlumberger Technology Corp.
David M. Eslinger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reinforcing slat for inflatable packer
Patent number
5,439,053
Issue date
Aug 8, 1995
Dowell Schlumberger Incorporated
David M. Eslinger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pre-formed stress rings for inflatable packers
Patent number
5,404,947
Issue date
Apr 11, 1995
Dowell Schlumberger Incorporated
Robert M. Sorem
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stress rings for inflatable packers
Patent number
5,398,755
Issue date
Mar 21, 1995
Dowell Schlumberger Incorporated
David M. Eslinger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inflatable packer inner bladder retention and seal
Patent number
5,390,738
Issue date
Feb 21, 1995
Dowell Schlumberger Incorporated
David M. Eslinger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of assembly for inflatable packer
Patent number
5,363,542
Issue date
Nov 15, 1994
Dowell Schlumberger Incorporated
Robert M. Sorem
E21 - EARTH DRILLING MINING
Information
Patent Grant
Straddle inflatable packer system
Patent number
5,361,836
Issue date
Nov 8, 1994
Dowell Schlumberger Incorporated
Robert M. Sorem
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of assembly for inflatable packer
Patent number
5,361,479
Issue date
Nov 8, 1994
Dowell Schlumberger Incorporated
Robert M. Sorem
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inflatable packer with protective rings
Patent number
5,353,871
Issue date
Oct 11, 1994
Dowell Schlumberger Incorporated
David M. Eslinger
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well treating system with pressure readout at surface and method
Patent number
5,350,018
Issue date
Sep 27, 1994
Dowell Schlumberger Incorporated
Robert M. Sorem
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sealing element for inflatable packer
Patent number
5,280,824
Issue date
Jan 25, 1994
Dowell Schlumberger
David M. Eslinger
E21 - EARTH DRILLING MINING