David Joseph Walker

Person

LaFayette, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-zone, single trip well completion system and methods of use
- Patent number 7,543,647
- Issue date Jun 9, 2009
- BJ Services Company
- David J. Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-zone, single trip well completion system and methods of use
- Patent number 7,490,669
- Issue date Feb 17, 2009
- BJ Services Company
- David J. Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Single trip horizontal gravel pack and stimulation system and method
- Patent number 7,472,750
- Issue date Jan 6, 2009
- BJ Services Company U.S.A.
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Horizontal single trip system with rotating jetting tool
- Patent number 7,331,388
- Issue date Feb 19, 2008
- BJ Services Company
- Alvaro Jose Vilela
- E21 - EARTH DRILLING MINING
Information Patent Grant
Single trip horizontal gravel pack and stimulation system and method
- Patent number 7,210,527
- Issue date May 1, 2007
- BJ Services Company, U.S.A.
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-directional ball seat system and method
- Patent number 7,150,326
- Issue date Dec 19, 2006
- BJ Services Company
- Floyd Romaine Bishop
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-directional ball seat system and method
- Patent number 7,021,389
- Issue date Apr 4, 2006
- BJ Services Company
- Floyd Romaine Bishop
- E21 - EARTH DRILLING MINING
Information Patent Grant
Single trip horizontal gravel pack and stimulation system and method
- Patent number 7,017,664
- Issue date Mar 28, 2006
- BJ Services Company
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rigless one-trip perforation and gravel pack system and method
- Patent number 6,568,474
- Issue date May 27, 2003
- BJ Services, USA
- Kevin R. George
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for controlling fluid flow in a well
- Patent number 6,405,800
- Issue date Jun 18, 2002
- OSCA, Inc.
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for production using a pressure actuated circu...
- Patent number 6,397,949
- Issue date Jun 4, 2002
- OSCA, Inc.
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gravel pack isolation system
- Patent number 6,302,208
- Issue date Oct 16, 2001
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Separable one-trip perforation and gravel pack system and method
- Patent number 6,206,100
- Issue date Mar 27, 2001
- OSCA, Inc.
- Kevin R. George
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Multi-Zone Single Trip Well Completion System
- Publication number 20150047837
- Publication date Feb 19, 2015
- Superior Energy Services, L.L.C.
- Dewayne Turner
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Valve Actuation Methods and Apparatus
- Publication number 20090301732
- Publication date Dec 10, 2009
- BJ Services Company
- Dewayne McCoy Turner
- E21 - EARTH DRILLING MINING
Information Patent Application
SINGLE TRIP HORIZONTAL GRAVEL PACK AND STIMULATION SYSTEM AND METHOD
- Publication number 20070187095
- Publication date Aug 16, 2007
- BJ SERVICES COMPANY, U.S.A
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-ZONE, SINGLE TRIP WELL COMPLETION SYSTEM AND METHODS OF USE
- Publication number 20070163781
- Publication date Jul 19, 2007
- BJ Services Company
- David J. Walker
- E21 - EARTH DRILLING MINING
Information Patent Application
Multi-zone, single trip well completion system and methods of use
- Publication number 20070084605
- Publication date Apr 19, 2007
- David J. Walker
- E21 - EARTH DRILLING MINING
Information Patent Application
Horizontal single trip system with rotating jetting tool
- Publication number 20060231253
- Publication date Oct 19, 2006
- Alvaro Jose Vilela
- E21 - EARTH DRILLING MINING
Information Patent Application
Bi-directional ball seat system and method
- Publication number 20060213670
- Publication date Sep 28, 2006
- BJ Services Company
- Floyd Romaine Bishop
- E21 - EARTH DRILLING MINING
Information Patent Application
Single trip horizontal gravel pack and stimulation system and method
- Publication number 20060162927
- Publication date Jul 27, 2006
- BJ Services Company, U.S.A.
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Application
Bi-directional ball seat system and method
- Publication number 20040163820
- Publication date Aug 26, 2004
- BJ Services Company
- Floyd Romaine Bishop
- E21 - EARTH DRILLING MINING
Information Patent Application
Single trip horizontal gravel pack and stimulation system and method
- Publication number 20030037925
- Publication date Feb 27, 2003
- OSCA, Inc.
- David Joseph Walker
- E21 - EARTH DRILLING MINING
Information Patent Application
Rigless one-trip perforation and gravel pack system and method
- Publication number 20020062960
- Publication date May 30, 2002
- Kevin R. George
- E21 - EARTH DRILLING MINING

David Joseph Walker

Person

Patents Grantslast 30 patents

Multi-zone, single trip well completion system and methods of use

Multi-zone, single trip well completion system and methods of use

Single trip horizontal gravel pack and stimulation system and method

Horizontal single trip system with rotating jetting tool

Single trip horizontal gravel pack and stimulation system and method

Bi-directional ball seat system and method

Bi-directional ball seat system and method

Single trip horizontal gravel pack and stimulation system and method

Rigless one-trip perforation and gravel pack system and method

Method and apparatus for controlling fluid flow in a well

Method and apparatus for production using a pressure actuated circu...

Gravel pack isolation system

Separable one-trip perforation and gravel pack system and method

Patents Applicationslast 30 patents

Multi-Zone Single Trip Well Completion System

Downhole Valve Actuation Methods and Apparatus

SINGLE TRIP HORIZONTAL GRAVEL PACK AND STIMULATION SYSTEM AND METHOD

MULTI-ZONE, SINGLE TRIP WELL COMPLETION SYSTEM AND METHODS OF USE

Multi-zone, single trip well completion system and methods of use

Horizontal single trip system with rotating jetting tool

Bi-directional ball seat system and method

Single trip horizontal gravel pack and stimulation system and method

Bi-directional ball seat system and method

Single trip horizontal gravel pack and stimulation system and method

Rigless one-trip perforation and gravel pack system and method