David Ward

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for treating a wellbore
- Patent number 9,995,113
- Issue date Jun 12, 2018
- Weatherford Technology Holdings, LLC
- Cesar G. Garcia
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sliding sleeve having retrievable ball seat
- Patent number 9,670,751
- Issue date Jun 6, 2017
- Weatherford Technology Holdings, LLC
- Jason J. Brasseaux
- E21 - EARTH DRILLING MINING
Information Patent Grant
High flow rate multi array stimulation system
- Patent number 9,523,261
- Issue date Dec 20, 2016
- Weatherford Technology Holdings, LLC
- Antonio B. Flores
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sliding sleeve having deformable ball seat
- Patent number 9,488,035
- Issue date Nov 8, 2016
- Weatherford Technology Holdings, LLC
- Scott Crowley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multiple shift sliding sleeve
- Patent number 9,080,420
- Issue date Jul 14, 2015
- Weatherford Technology Holdings, LLC
- Antonio B. Flores
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arrangement of isolation sleeve and cluster sleeves having pressure...
- Patent number 8,893,810
- Issue date Nov 25, 2014
- Weatherford/Lamb, Inc.
- Patrick J. Zimmerman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Filler rings for swellable packers and method for using same
- Patent number 8,800,670
- Issue date Aug 12, 2014
- Weatherford/Lamb, Inc.
- Jeffrey J. Lembcke
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Cluster opening sleeves for wellbore
- Patent number 8,714,272
- Issue date May 6, 2014
- Weatherford/Lamb, Inc.
- Cesar G. Garcia
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cluster opening sleeves for wellbore treatment and method of use
- Patent number 8,245,788
- Issue date Aug 21, 2012
- Weatherford/Lamb, Inc.
- Cesar G. Garcia
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packer providing multiple seals and having swellable element isolat...
- Patent number 8,087,459
- Issue date Jan 3, 2012
- Weatherford/Lamb, Inc.
- Rebecca Caldwell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Magnetic slip retention for downhole tool
- Patent number 8,069,918
- Issue date Dec 6, 2011
- Weatherford/Lamb, Inc.
- Patrick J. Zimmerman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drillable inflatable packer & methods of use
- Patent number 6,578,638
- Issue date Jun 17, 2003
- Weatherford/Lamb, Inc.
- Brett Guillory
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE CYCLE DOWNHOLE TOOL ACTUATION
- Publication number 20230193719
- Publication date Jun 22, 2023
- Weatherford Technology Holdings, LLC.
- Nauman H. MHASKAR
- E21 - EARTH DRILLING MINING
Information Patent Application
Sliding Sleeve Having Retrievable Ball Seat
- Publication number 20160084040
- Publication date Mar 24, 2016
- Weatherford Technology Holdings, LLC.
- Jason J. Brasseaux
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR TREATING A WELLBORE
- Publication number 20150152713
- Publication date Jun 4, 2015
- WEATHERFORD/LAMB, INC.
- Cesar G. GARCIA
- E21 - EARTH DRILLING MINING
Information Patent Application
Sliding Sleeve Having Deformable Ball Seat
- Publication number 20140166292
- Publication date Jun 19, 2014
- WEATHERFORD/LAMB, INC.
- Scott Crowley
- E21 - EARTH DRILLING MINING
Information Patent Application
Multiple Shift Sliding Sleeve
- Publication number 20130043042
- Publication date Feb 21, 2013
- WEATHERFORD/LAMB, INC.
- Antonio B. Flores
- E21 - EARTH DRILLING MINING
Information Patent Application
High Flow Rate Multi Array Stimulation System
- Publication number 20130043043
- Publication date Feb 21, 2013
- WEATHERFORD/LAMB, INC.
- Antonio B. Flores
- E21 - EARTH DRILLING MINING
Information Patent Application
Cluster Opening Sleeves for Wellbore
- Publication number 20120305265
- Publication date Dec 6, 2012
- WEATHERFORD/LAMB, INC.
- Cesar G. Garcia
- E21 - EARTH DRILLING MINING
Information Patent Application
Arrangement of Isolation Sleeve and Cluster Sleeves Having Pressure...
- Publication number 20120055684
- Publication date Mar 8, 2012
- WEATHERFORD/LAMB, INC.
- Patrick J. Zimmerman
- E21 - EARTH DRILLING MINING
Information Patent Application
Magnetic Slip Retention for Downhole Tool
- Publication number 20120043070
- Publication date Feb 23, 2012
- WEATHERFORD/LAMB, INC.
- Patrick J. Zimmerman
- E21 - EARTH DRILLING MINING
Information Patent Application
Filler Rings for Swellable Packers
- Publication number 20120031608
- Publication date Feb 9, 2012
- WEATHERFORD/LAMB, INC.
- Jeffrey J. Lembcke
- E21 - EARTH DRILLING MINING
Information Patent Application
Cluster Opening Sleeves for Wellbore
- Publication number 20110192613
- Publication date Aug 11, 2011
- WEATHERFORD/LAMB, INC.
- Cesar G. Garcia
- E21 - EARTH DRILLING MINING
Information Patent Application
SECURING A COMPOSITE BRIDGE PLUG
- Publication number 20110048740
- Publication date Mar 3, 2011
- WEATHERFORD/LAMB, INC.
- David WARD
- E21 - EARTH DRILLING MINING
Information Patent Application
Magnetic Slip Retention for Downhole Tool
- Publication number 20100243232
- Publication date Sep 30, 2010
- WEATHERFORD/LAMB, INC.
- Patrick J. Zimmerman
- E21 - EARTH DRILLING MINING
Information Patent Application
Packer Providing Multiple Seals and Having Swellable Element Isolat...
- Publication number 20100243235
- Publication date Sep 30, 2010
- WEATHERFORD/LAMB, INC.
- Rebecca Caldwell
- E21 - EARTH DRILLING MINING
Information Patent Application
Slip system for retrievable packer
- Publication number 20040244966
- Publication date Dec 9, 2004
- Patrick J. Zimmerman
- E21 - EARTH DRILLING MINING
Information Patent Application
Drillable inflatable packer & methods of use
- Publication number 20030037932
- Publication date Feb 27, 2003
- Brett Guillory
- E21 - EARTH DRILLING MINING

Person

Patents Grantslast 30 patents

Method and apparatus for treating a wellbore

Sliding sleeve having retrievable ball seat

High flow rate multi array stimulation system

Sliding sleeve having deformable ball seat

Multiple shift sliding sleeve

Arrangement of isolation sleeve and cluster sleeves having pressure...

Filler rings for swellable packers and method for using same

Cluster opening sleeves for wellbore

Cluster opening sleeves for wellbore treatment and method of use

Packer providing multiple seals and having swellable element isolat...

Magnetic slip retention for downhole tool

Drillable inflatable packer &#x00026; methods of use

Patents Applicationslast 30 patents

PRESSURE CYCLE DOWNHOLE TOOL ACTUATION

Sliding Sleeve Having Retrievable Ball Seat

METHOD AND APPARATUS FOR TREATING A WELLBORE

Sliding Sleeve Having Deformable Ball Seat

Multiple Shift Sliding Sleeve

High Flow Rate Multi Array Stimulation System

Cluster Opening Sleeves for Wellbore

Arrangement of Isolation Sleeve and Cluster Sleeves Having Pressure...

Magnetic Slip Retention for Downhole Tool

Filler Rings for Swellable Packers

Cluster Opening Sleeves for Wellbore

SECURING A COMPOSITE BRIDGE PLUG

Magnetic Slip Retention for Downhole Tool

Packer Providing Multiple Seals and Having Swellable Element Isolat...

Slip system for retrievable packer

Drillable inflatable packer & methods of use

Drillable inflatable packer & methods of use