Colin Longfield

Person

Sugar Land, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Device and method to determine conductivity for high pressure-high...
- Patent number 9,535,187
- Issue date Jan 3, 2017
- Schlumberger Technology Corporation
- Indranil Roy
- G01 - MEASURING TESTING
Information Patent Grant
Method to predict dense hydrocarbon saturations for high pressure h...
- Patent number 9,194,974
- Issue date Nov 24, 2015
- Schlumberger Technology Corporation
- Indranil Roy
- G01 - MEASURING TESTING
Information Patent Grant
Downhole valve
- Patent number 9,062,514
- Issue date Jun 23, 2015
- Schlumberger Technology Corporation
- Joseph D. Scranton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Remote actuation testing tool for high pressure differential downho...
- Patent number 8,978,757
- Issue date Mar 17, 2015
- Schlumberger Technology Corporation
- Wei Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modular power source for subsurface systems
- Patent number 8,720,539
- Issue date May 13, 2014
- Schlumberger Technology Corporation
- Albert E. Patterson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inflatable packer assembly
- Patent number 8,695,717
- Issue date Apr 15, 2014
- Schlumberger Technology Corporation
- William E. Brennan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole piezoelectric devices
- Patent number 8,220,533
- Issue date Jul 17, 2012
- Schlumberger Technology Corporation
- Colin Longfield
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Formation fluid sampling apparatus and methods
- Patent number 7,841,406
- Issue date Nov 30, 2010
- Schlumberger Technology Corporation
- Alexander F. Zazovsky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Formation fluid sampling apparatus and methods
- Patent number 7,654,321
- Issue date Feb 2, 2010
- Schlumberger Technology Corporation
- Alexander F. Zazovsky
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inflatable packer assembly
- Patent number 7,578,342
- Issue date Aug 25, 2009
- Schlumberger Technology Corporation
- William E. Brennan, III
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for obtaining downhole samples
- Patent number 7,546,885
- Issue date Jun 16, 2009
- Schlumberger Technology Corporation
- Colin Longfield
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inflatable packer assembly
- Patent number 7,392,851
- Issue date Jul 1, 2008
- Schlumberger Technology Corporation
- William E. Brennan, III
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for aquiring information while drilling
- Patent number 7,311,142
- Issue date Dec 25, 2007
- Schlumberger Technology Corporation
- Patrick Fisseler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for sensing downhole parameters
- Patent number 7,278,480
- Issue date Oct 9, 2007
- Schlumberger Technology Corporation
- Colin Longfield
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for acquiring information while drilling
- Patent number 7,114,562
- Issue date Oct 3, 2006
- Schlumberger Technology Corporation
- Patrick Fisseler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for propelling a data sensing apparatus into a...
- Patent number 6,467,387
- Issue date Oct 22, 2002
- Schlumberger Technology Corporation
- Frank Espinosa
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DOWNHOLE VALVE
- Publication number 20130327539
- Publication date Dec 12, 2013
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph D. Scranton
- E21 - EARTH DRILLING MINING
Information Patent Application
Methods For Producing Fluids From Geological Formation
- Publication number 20130289961
- Publication date Oct 31, 2013
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Indranil Ray
- G01 - MEASURING TESTING
Information Patent Application
INFLATABLE PACKER ASSEMBLY
- Publication number 20130126191
- Publication date May 23, 2013
- William E. Brennan
- E21 - EARTH DRILLING MINING
Information Patent Application
Remote Actuation Testing Tool for High Pressure Differential Downho...
- Publication number 20120186825
- Publication date Jul 26, 2012
- Wei Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD TO PREDICT DENSE HYDROCARBON SATURATIONS FOR HIGH PRESSURE H...
- Publication number 20120065951
- Publication date Mar 15, 2012
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Indranil Roy
- G01 - MEASURING TESTING
Information Patent Application
DEVICE AND METHOD TO DETERMINE CONDUCTIVITY FOR HIGH PRESSURE-HIGH...
- Publication number 20120059636
- Publication date Mar 8, 2012
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Indranil Roy
- G01 - MEASURING TESTING
Information Patent Application
THERMODYNAMIC MODELING FOR OPTIMIZED RECOVERY IN SAGD
- Publication number 20120059640
- Publication date Mar 8, 2012
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Indranil Roy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DOWNHOLE VALVE
- Publication number 20110083859
- Publication date Apr 14, 2011
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph D. Scranton
- E21 - EARTH DRILLING MINING
Information Patent Application
MODULAR POWER SOURCE FOR SUBSURFACE SYSTEMS
- Publication number 20100300677
- Publication date Dec 2, 2010
- Albert E. Patterson, III
- E21 - EARTH DRILLING MINING
Information Patent Application
INFLATABLE PACKER ASSEMBLY
- Publication number 20100170682
- Publication date Jul 8, 2010
- William E. Brennan, III
- E21 - EARTH DRILLING MINING
Information Patent Application
FORMATION FLUID SAMPLING APPARATUS AND METHODS
- Publication number 20100018704
- Publication date Jan 28, 2010
- ALEXANDER F. ZAZOVSKY
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE PIEZOELECTRIC DEVICES
- Publication number 20100012313
- Publication date Jan 21, 2010
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Colin Longfield
- E21 - EARTH DRILLING MINING
Information Patent Application
Formation Fluid Sampling Apparatus and Methods
- Publication number 20080156487
- Publication date Jul 3, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Alexander F. Zazovsky
- E21 - EARTH DRILLING MINING
Information Patent Application
Inflatable Packer Assembly
- Publication number 20080135240
- Publication date Jun 12, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- William E. Brennan
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS AND METHOD FOR AQUIRING INFORMATION WHILE DRILLING
- Publication number 20070039730
- Publication date Feb 22, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Patrick Fisseler
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS AND METHOD FOR OBTAINING DOWNHOLE SAMPLES
- Publication number 20060260805
- Publication date Nov 23, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Colin Longfield
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS AND METHOD FOR SENSING DOWNHOLE PARAMETERS
- Publication number 20060219401
- Publication date Oct 5, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Colin Longfield
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS FOR HYDRAULICALLY ENERGIZING DOWN HOLE MECHANICAL SYSTEMS
- Publication number 20060168955
- Publication date Aug 3, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- COLIN LONGFIELD
- E21 - EARTH DRILLING MINING
Information Patent Application
Inflatable packer assembly
- Publication number 20060090905
- Publication date May 4, 2006
- William E. Brennan
- E21 - EARTH DRILLING MINING
Information Patent Application
[APPARATUS AND METHOD FOR ACQUIRING INFORMATION WHILE DRILLING]
- Publication number 20050109538
- Publication date May 26, 2005
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Patrick Fisseler
- E21 - EARTH DRILLING MINING

Colin Longfield

Person

Patents Grantslast 30 patents

Device and method to determine conductivity for high pressure-high...

Method to predict dense hydrocarbon saturations for high pressure h...

Downhole valve

Remote actuation testing tool for high pressure differential downho...

Modular power source for subsurface systems

Inflatable packer assembly

Downhole piezoelectric devices

Formation fluid sampling apparatus and methods

Formation fluid sampling apparatus and methods

Inflatable packer assembly

Apparatus and method for obtaining downhole samples

Inflatable packer assembly

Apparatus and method for aquiring information while drilling

Apparatus and method for sensing downhole parameters

Apparatus and method for acquiring information while drilling

Apparatus and method for propelling a data sensing apparatus into a...

Patents Applicationslast 30 patents

DOWNHOLE VALVE

Methods For Producing Fluids From Geological Formation

INFLATABLE PACKER ASSEMBLY

Remote Actuation Testing Tool for High Pressure Differential Downho...

METHOD TO PREDICT DENSE HYDROCARBON SATURATIONS FOR HIGH PRESSURE H...

DEVICE AND METHOD TO DETERMINE CONDUCTIVITY FOR HIGH PRESSURE-HIGH...

THERMODYNAMIC MODELING FOR OPTIMIZED RECOVERY IN SAGD

DOWNHOLE VALVE

MODULAR POWER SOURCE FOR SUBSURFACE SYSTEMS

INFLATABLE PACKER ASSEMBLY

FORMATION FLUID SAMPLING APPARATUS AND METHODS

DOWNHOLE PIEZOELECTRIC DEVICES

Formation Fluid Sampling Apparatus and Methods

Inflatable Packer Assembly

APPARATUS AND METHOD FOR AQUIRING INFORMATION WHILE DRILLING

APPARATUS AND METHOD FOR OBTAINING DOWNHOLE SAMPLES

APPARATUS AND METHOD FOR SENSING DOWNHOLE PARAMETERS

APPARATUS FOR HYDRAULICALLY ENERGIZING DOWN HOLE MECHANICAL SYSTEMS

Inflatable packer assembly

[APPARATUS AND METHOD FOR ACQUIRING INFORMATION WHILE DRILLING]