Donny W. Winslow

Person

Duncan, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Downhole plug apparatus
- Patent number 9,359,863
- Issue date Jun 7, 2016
- Halliburton Energy Services, Inc.
- Steven G. Streich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stage cementing tool
- Patent number 8,215,404
- Issue date Jul 10, 2012
- Halliburton Energy Services Inc.
- Gary Makowiecki
- E21 - EARTH DRILLING MINING
Information Patent Grant
Selectively activated float equipment
- Patent number 7,644,774
- Issue date Jan 12, 2010
- Halliburton Energy Services, Inc.
- Alton Branch
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Methods and apparatus for completion of well bores
- Patent number 7,597,146
- Issue date Oct 6, 2009
- Halliburton Energy Services, Inc.
- Donald Winslow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ball operated back pressure valve
- Patent number 7,533,728
- Issue date May 19, 2009
- Halliburton Energy Services, Inc.
- Donald Winslow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Selectively activated float equipment
- Patent number 7,527,104
- Issue date May 5, 2009
- Halliburton Energy Services, Inc.
- Alton Branch
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Packer element retaining system
- Patent number 7,373,973
- Issue date May 20, 2008
- Halliburton Energy Services, Inc.
- Donald Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Slip element for use with a downhole tool and a method of manufactu...
- Patent number 6,976,534
- Issue date Dec 20, 2005
- Halliburton Energy Services, Inc.
- Mike H. Sutton
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Expandable retaining shoe
- Patent number 6,695,050
- Issue date Feb 24, 2004
- Halliburton Energy Services, Inc.
- Donald W. Winslow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable retaining shoe
- Patent number 6,695,051
- Issue date Feb 24, 2004
- Halliburton Energy Services, Inc.
- Donald R. Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
High temperature high pressure retrievable packer with barrel slip
- Patent number 6,481,497
- Issue date Nov 19, 2002
- Halliburton Energy Services, Inc.
- Loren C. Swor
- E21 - EARTH DRILLING MINING
Information Patent Grant
High temperature high pressure retrievable packer with barrel slip
- Patent number 6,378,606
- Issue date Apr 30, 2002
- Halliburton Energy Services, Inc.
- Loren C. Swor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrievable high pressure, high temperature packer apparatus with a...
- Patent number 6,318,460
- Issue date Nov 20, 2001
- Halliburton Energy Services, Inc.
- Loren C. Swor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Low pressure, high temperature composite bridge plug
- Patent number 6,220,349
- Issue date Apr 24, 2001
- Halliburton Energy Services, Inc.
- Gregory W. Vargus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrievable high pressure, high temperature packer apparatus with a...
- Patent number 6,102,117
- Issue date Aug 15, 2000
- Halliburton Energy Services, Inc.
- Loren C. Swor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well treatment fluid placement tool and methods
- Patent number 5,803,177
- Issue date Sep 8, 1998
- Halliburton Energy Services
- Iosif J. Hriscu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coiled tubing inflatable packer with circulating port
- Patent number 5,456,322
- Issue date Oct 10, 1995
- Halliburton Company
- James C. Tucker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coiled tubing inflatable packer with circulating port
- Patent number 5,383,520
- Issue date Jan 24, 1995
- Halliburton Company
- James C. Tucker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe bridge plug
- Patent number 5,058,684
- Issue date Oct 22, 1991
- Halliburton Company
- Donald W. Winslow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Long stroke packer
- Patent number 5,044,434
- Issue date Sep 3, 1991
- Halliburton Company
- Timothy D. Burns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe bridge plug
- Patent number 5,029,643
- Issue date Jul 9, 1991
- Halliburton Company
- Donald W. Winslow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packer locking apparatus
- Patent number 4,989,672
- Issue date Feb 5, 1991
- Halliburton Company
- Timothy D. Burns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydrostatic referenced safety-circulating valve
- Patent number 4,691,779
- Issue date Sep 8, 1987
- Halliburton Company
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe tester - pressure balanced
- Patent number 4,560,004
- Issue date Dec 24, 1985
- Halliburton Company
- Donald W. Winslow
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DOWNHOLE PLUG APPARATUS
- Publication number 20140311752
- Publication date Oct 23, 2014
- Halliburton Energy Services, Inc.
- Steven G. Streich
- E21 - EARTH DRILLING MINING
Information Patent Application
STAGE CEMENTING TOOL
- Publication number 20100206572
- Publication date Aug 19, 2010
- Gary Makowiecki
- E21 - EARTH DRILLING MINING
Information Patent Application
Selectively Activated Float Equipment
- Publication number 20090166044
- Publication date Jul 2, 2009
- Alton Branch
- E21 - EARTH DRILLING MINING
Information Patent Application
Ball Operated Back Pressure Valve
- Publication number 20080164028
- Publication date Jul 10, 2008
- Donald Winslow
- E21 - EARTH DRILLING MINING
Information Patent Application
Methods and Apparatus for Completion of Well Bores
- Publication number 20080083535
- Publication date Apr 10, 2008
- Donald Winslow
- E21 - EARTH DRILLING MINING
Information Patent Application
PACKER ELEMENT RETAINING SYSTEM
- Publication number 20080060821
- Publication date Mar 13, 2008
- Halliburton Energy Services, Inc.
- Donald Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
Selectively activated float equipment
- Publication number 20070181188
- Publication date Aug 9, 2007
- Alton Branch
- E21 - EARTH DRILLING MINING
Information Patent Application
Slip element for use with a downhole tool and a method of manufactu...
- Publication number 20050069691
- Publication date Mar 31, 2005
- Mike H. Sutton
- E21 - EARTH DRILLING MINING
Information Patent Application
Expandable retaining shoe
- Publication number 20030226659
- Publication date Dec 11, 2003
- Donald R. Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
Expandable retaining shoe
- Publication number 20030226660
- Publication date Dec 11, 2003
- Donald W. Winslow
- E21 - EARTH DRILLING MINING
Information Patent Application
High temperature high pressure retrievable packer with barrel slip
- Publication number 20020088616
- Publication date Jul 11, 2002
- Loren C. Swor
- E21 - EARTH DRILLING MINING

Donny W. Winslow

Person

Patents Grantslast 30 patents

Downhole plug apparatus

Stage cementing tool

Selectively activated float equipment

Methods and apparatus for completion of well bores

Ball operated back pressure valve

Selectively activated float equipment

Packer element retaining system

Slip element for use with a downhole tool and a method of manufactu...

Expandable retaining shoe

Expandable retaining shoe

High temperature high pressure retrievable packer with barrel slip

High temperature high pressure retrievable packer with barrel slip

Retrievable high pressure, high temperature packer apparatus with a...

Low pressure, high temperature composite bridge plug

Retrievable high pressure, high temperature packer apparatus with a...

Well treatment fluid placement tool and methods

Coiled tubing inflatable packer with circulating port

Coiled tubing inflatable packer with circulating port

Drill pipe bridge plug

Long stroke packer

Drill pipe bridge plug

Packer locking apparatus

Hydrostatic referenced safety-circulating valve

Drill pipe tester - pressure balanced

Patents Applicationslast 30 patents

DOWNHOLE PLUG APPARATUS

STAGE CEMENTING TOOL

Selectively Activated Float Equipment

Ball Operated Back Pressure Valve

Methods and Apparatus for Completion of Well Bores

PACKER ELEMENT RETAINING SYSTEM

Selectively activated float equipment

Slip element for use with a downhole tool and a method of manufactu...

Expandable retaining shoe

Expandable retaining shoe

High temperature high pressure retrievable packer with barrel slip