William A. Blizzard Jr.

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wellbore liner system
- Patent number 6,547,006
- Issue date Apr 15, 2003
- Weatherford/Lamb, Inc.
- Marc Kuck
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve assembly
- Patent number 6,334,487
- Issue date Jan 1, 2002
- Courtney W. Adkins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore primary barrier and related systems
- Patent number 6,209,636
- Issue date Apr 3, 2001
- Weatherford/Lamb, Inc.
- John D. Roberts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore milling methods
- Patent number 6,202,752
- Issue date Mar 20, 2001
- Weatherford/Lamb, Inc.
- Marc David Kuck
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flexible wellbore mill
- Patent number 6,155,349
- Issue date Dec 5, 2000
- Weatherford/Lamb, Inc.
- Robert Robertson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for completing a subterranean well and associated methods...
- Patent number 6,116,344
- Issue date Sep 12, 2000
- Halliburton Energy Services, Inc.
- James R. Longbottom
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore mill system
- Patent number 6,116,336
- Issue date Sep 12, 2000
- Weatherford/Lamb, Inc.
- Courtney W. Adkins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for completing a subterranean well and associated methods...
- Patent number 6,092,601
- Issue date Jul 25, 2000
- Halliburton Energy Services, Inc.
- John C. Gano
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for completing a subterranean well and associated methods...
- Patent number 6,076,602
- Issue date Jun 20, 2000
- Halliburton Energy Services, Inc.
- John C. Gano
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore milling
- Patent number 6,070,665
- Issue date Jun 6, 2000
- Weatherford/Lamb, Inc.
- Teme Singleton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for completing a subterranean well and associated methods...
- Patent number 6,059,037
- Issue date May 9, 2000
- Halliburton Energy Services, Inc.
- James R. Longbottom
- E21 - EARTH DRILLING MINING
Information Patent Grant
Whipstock mill
- Patent number 6,056,056
- Issue date May 2, 2000
- Douglas G. Durst
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellborne mills & methods
- Patent number 6,024,168
- Issue date Feb 15, 2000
- Weatherford/Lamb, Inc.
- Mark D. Kuck
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore milling and drilling
- Patent number 5,887,655
- Issue date Mar 30, 1999
- Weatherford/Lamb, Inc.
- David M. Haugen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore single trip milling
- Patent number 5,826,651
- Issue date Oct 27, 1998
- Weatherford/Lamb, Inc.
- Mark H. Lee
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sidetracking operations
- Patent number 5,803,176
- Issue date Sep 8, 1998
- Weatherford/Lamb, Inc.
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore milling system
- Patent number 5,743,331
- Issue date Apr 28, 1998
- Weatherford/Lamb, Inc.
- Courtney W. Adkins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore milling guide and method
- Patent number 5,727,629
- Issue date Mar 17, 1998
- Weatherford/Lamb, Inc.
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Metal-to-metal sealable port
- Patent number 5,464,062
- Issue date Nov 7, 1995
- Weatherford U.S., Inc.
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stage tool
- Patent number 5,368,098
- Issue date Nov 29, 1994
- Weatherford U.S., Inc.
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Orifice well safety valve with release mechanism
- Patent number 5,029,646
- Issue date Jul 9, 1991
- Camco International Inc.
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety valve
- Patent number 4,860,991
- Issue date Aug 29, 1989
- Camco, Incorporated
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual hydraulic safety valve
- Patent number 4,838,355
- Issue date Jun 13, 1989
- Camco, Incorporated
- Dwayne D. Leismer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Failsafe gas closed safety valve
- Patent number 4,660,646
- Issue date Apr 28, 1987
- Camco, Incorporated
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well tool having a metal seal and bi-directional lock
- Patent number 4,588,030
- Issue date May 13, 1986
- Camco, Incorporated
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable metal seal for a well tool
- Patent number 4,588,029
- Issue date May 13, 1986
- Camco, Incorporated
- William A. Blizzard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for stopping well production
- Patent number 4,585,067
- Issue date Apr 29, 1986
- Camco, Incorporated
- William A. Blizzard
- E21 - EARTH DRILLING MINING

William A. Blizzard Jr.

Person

Patents Grantslast 30 patents

Wellbore liner system

Valve assembly

Wellbore primary barrier and related systems

Wellbore milling methods

Flexible wellbore mill

Apparatus for completing a subterranean well and associated methods...

Wellbore mill system

Apparatus for completing a subterranean well and associated methods...

Apparatus for completing a subterranean well and associated methods...

Wellbore milling

Apparatus for completing a subterranean well and associated methods...

Whipstock mill

Wellborne mills & methods

Wellbore milling and drilling

Wellbore single trip milling

Sidetracking operations

Wellbore milling system

Wellbore milling guide and method

Metal-to-metal sealable port

Stage tool

Orifice well safety valve with release mechanism

Safety valve

Dual hydraulic safety valve

Failsafe gas closed safety valve

Well tool having a metal seal and bi-directional lock

Expandable metal seal for a well tool

Method and apparatus for stopping well production