Larry Grigar

Person

East Bernard, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Sympathetic ignition closed packed propellant gas generator
- Patent number 8,186,425
- Issue date May 29, 2012
- Schlumberger Technology Corporation
- Moises Enrique Smart
- F42 - AMMUNITION BLASTING
Information Patent Grant
Technique and apparatus to deploy a perforating gun and sand screen...
- Patent number 8,151,882
- Issue date Apr 10, 2012
- Schlumberger Technology Corporation
- Larry L. Grigar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow control system and method for use in a wellbore
- Patent number 8,118,098
- Issue date Feb 21, 2012
- Schlumberger Technology Corporation
- Joe C. Hromas
- E21 - EARTH DRILLING MINING
Information Patent Grant
Technique and apparatus for multiple zone perforating
- Patent number 7,493,958
- Issue date Feb 24, 2009
- Schlumberger Technology Corporation
- Joe C. Hromas
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety apparatus for perforating system
- Patent number 7,487,833
- Issue date Feb 10, 2009
- Schlumberger Technology Corporation
- Larry Grigar
- F42 - AMMUNITION BLASTING
Information Patent Grant
Downhole automatic tool release and method of use
- Patent number 7,353,871
- Issue date Apr 8, 2008
- Schlumberger Technology Corporation
- Joe C. Hromas
- E21 - EARTH DRILLING MINING
Information Patent Grant
Techniques and systems associated with perforation and the installa...
- Patent number 7,278,484
- Issue date Oct 9, 2007
- Schlumberger Technology Corporation
- Mark Vella
- E21 - EARTH DRILLING MINING
Information Patent Grant
Techniques and systems associated with perforation and the installa...
- Patent number 7,152,676
- Issue date Dec 26, 2006
- Schlumberger Technology Corporation
- Mark Vella
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for inserting and retrieving a tool string thr...
- Patent number 6,719,061
- Issue date Apr 13, 2004
- Schlumberger Technology Corporation
- Laurent E. Muller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wireline supported perforating gun enabling oriented perforations
- Patent number 5,211,714
- Issue date May 18, 1993
- Halliburton Logging Services, Inc.
- John W. Jordan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wireline supported perforating gun enabling oriented perforations
- Patent number 5,040,619
- Issue date Aug 20, 1991
- Halliburton Logging Services, Inc.
- John W. Jordan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole perforating method and apparatus using secondary explosive...
- Patent number 4,762,067
- Issue date Aug 9, 1988
- Halliburton Company
- James M. Barker
- F42 - AMMUNITION BLASTING
Information Patent Grant
Through bulkhead explosive initiator for oil well usage
- Patent number 4,759,291
- Issue date Jul 26, 1988
- Halliburton Company
- James M. Barker
- F42 - AMMUNITION BLASTING
Information Patent Grant
Tubing pressure operated initiator for perforating in a well borehole
- Patent number 4,678,044
- Issue date Jul 7, 1987
- Halliburton Company
- Robert R. Luke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Balanced isolation tool enabling clean fluid in tubing perforated o...
- Patent number 4,664,184
- Issue date May 12, 1987
- Halliburton Company
- Larry L. Grigar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing pressure operated initiator for perforating in a well borehole
- Patent number 4,629,001
- Issue date Dec 16, 1986
- Halliburton Company
- Carl B. Miller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing conveyed perforating gun electrical detonator
- Patent number 4,574,892
- Issue date Mar 11, 1986
- Halliburton Company
- Larry L. Grigar
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TORQUE RESISTANT COUPLING FOR OILWELL TOOLSTRING
- Publication number 20110073325
- Publication date Mar 31, 2011
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Steven Henderson
- E21 - EARTH DRILLING MINING
Information Patent Application
SYMPATHETIC IGNITION CLOSED PACKED PROPELLANT GAS GENERATOR
- Publication number 20090223668
- Publication date Sep 10, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Moises Enrique Smart
- F42 - AMMUNITION BLASTING
Information Patent Application
EXPLOSIVE SHOCK DISSIPATER
- Publication number 20090151589
- Publication date Jun 18, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Steven W. Henderson
- F42 - AMMUNITION BLASTING
Information Patent Application
Flow Control System For Use In A Wellbore
- Publication number 20070272410
- Publication date Nov 29, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joe C. Hromas
- E21 - EARTH DRILLING MINING
Information Patent Application
Safety Apparatus for Perforating System
- Publication number 20070267195
- Publication date Nov 22, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Larry Grigar
- F42 - AMMUNITION BLASTING
Information Patent Application
Technique and Apparatus to Deploy a Perforating Gun and Sand Screen...
- Publication number 20070044964
- Publication date Mar 1, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Larry L. Grigar
- E21 - EARTH DRILLING MINING
Information Patent Application
Techniques and Systems Associated With Perforation And The Installa...
- Publication number 20070034375
- Publication date Feb 15, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Mark Vella
- E21 - EARTH DRILLING MINING
Information Patent Application
Automatic Tool Release
- Publication number 20060048940
- Publication date Mar 9, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joe C. Hromas
- E21 - EARTH DRILLING MINING
Information Patent Application
Technique and Apparatus for Multiple Zone Perforating
- Publication number 20050178554
- Publication date Aug 18, 2005
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joe C. Hromas
- E21 - EARTH DRILLING MINING
Information Patent Application
Techniques and systems associated with perforation and the installa...
- Publication number 20050109508
- Publication date May 26, 2005
- Mark Vella
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method for inserting and retrieving a tool string thr...
- Publication number 20020185276
- Publication date Dec 12, 2002
- Laurent E. Muller
- E21 - EARTH DRILLING MINING

Larry Grigar

Person

Patents Grantslast 30 patents

Sympathetic ignition closed packed propellant gas generator

Technique and apparatus to deploy a perforating gun and sand screen...

Flow control system and method for use in a wellbore

Technique and apparatus for multiple zone perforating

Safety apparatus for perforating system

Downhole automatic tool release and method of use

Techniques and systems associated with perforation and the installa...

Techniques and systems associated with perforation and the installa...

Apparatus and method for inserting and retrieving a tool string thr...

Wireline supported perforating gun enabling oriented perforations

Wireline supported perforating gun enabling oriented perforations

Downhole perforating method and apparatus using secondary explosive...

Through bulkhead explosive initiator for oil well usage

Tubing pressure operated initiator for perforating in a well borehole

Balanced isolation tool enabling clean fluid in tubing perforated o...

Tubing pressure operated initiator for perforating in a well borehole

Tubing conveyed perforating gun electrical detonator

Patents Applicationslast 30 patents

TORQUE RESISTANT COUPLING FOR OILWELL TOOLSTRING

SYMPATHETIC IGNITION CLOSED PACKED PROPELLANT GAS GENERATOR

EXPLOSIVE SHOCK DISSIPATER

Flow Control System For Use In A Wellbore

Safety Apparatus for Perforating System

Technique and Apparatus to Deploy a Perforating Gun and Sand Screen...

Techniques and Systems Associated With Perforation And The Installa...

Automatic Tool Release

Technique and Apparatus for Multiple Zone Perforating

Techniques and systems associated with perforation and the installa...

Apparatus and method for inserting and retrieving a tool string thr...