Graham A. McElhinney

Person

Inverarie, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic latching device for downhole wellbore intercept operations
- Patent number 9,540,880
- Issue date Jan 10, 2017
- Schlumberger Technology Corporation
- Graham Arthur McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for improving wellbore survey accuracy and placement
- Patent number 9,297,249
- Issue date Mar 29, 2016
- Graham A. McElhinney
- G01 - MEASURING TESTING
Information Patent Grant
Methods for improved active ranging and target well magnetization
- Patent number 9,238,959
- Issue date Jan 19, 2016
- Schlumberger Technology Corporation
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
At-bit magnetic ranging and surveying
- Patent number 8,947,094
- Issue date Feb 3, 2015
- Schlumber Technology Corporation
- Graham A. McElhinney
- G01 - MEASURING TESTING
Information Patent Grant
Method of acoustic ranging
- Patent number 8,570,834
- Issue date Oct 29, 2013
- Schlumberger Technology Corporation
- Graham A. McElhinney
- G01 - MEASURING TESTING
Information Patent Grant
Method of magnetizing casing string tubulars for enhanced passive r...
- Patent number 8,026,722
- Issue date Sep 27, 2011
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Enhanced passive ranging methodology for well twinning
- Patent number 7,816,923
- Issue date Oct 19, 2010
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Magnetization of target well casing string tubulars for enhanced pa...
- Patent number 7,816,922
- Issue date Oct 19, 2010
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Transverse magnetization of casing string tubulars
- Patent number 7,712,519
- Issue date May 11, 2010
- Smith International, Inc.
- Graham McElhinney
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for magnetizing casing string tubulars
- Patent number 7,679,480
- Issue date Mar 16, 2010
- Smith International, Inc.
- Kenneth Stenerson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetized casing string tubulars
- Patent number 7,679,481
- Issue date Mar 16, 2010
- Smith International, Inc.
- Kenneth Stenerson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetization of target well casing strings tubulars for enhanced p...
- Patent number 7,656,161
- Issue date Feb 2, 2010
- Smith International, Inc.
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Distance determination from a magnetically patterned target well
- Patent number 7,617,049
- Issue date Nov 10, 2009
- Smith International, Inc.
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for magnetizing casing string tubulars
- Patent number 7,538,650
- Issue date May 26, 2009
- Smith International, Inc.
- Kenneth Stenerson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for locating casing joints using measurement while drilling...
- Patent number 7,260,479
- Issue date Aug 21, 2007
- Pathfinder Energy Services, Inc.
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Supplemental referencing techniques in borehole surveying
- Patent number 7,002,484
- Issue date Feb 21, 2006
- Pathfinder Energy Services, Inc.
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well twinning techniques in borehole surveying
- Patent number 6,985,814
- Issue date Jan 10, 2006
- Pathfinder Energy Services, Inc.
- Graham McElhinney
- G01 - MEASURING TESTING
Information Patent Grant
Passive ranging techniques in borehole surveying
- Patent number 6,937,023
- Issue date Aug 30, 2005
- Pathfinder Energy Services, Inc.
- Graham McElhinney
- G01 - MEASURING TESTING
Information Patent Grant
Downhole referencing techniques in borehole surveying
- Patent number 6,882,937
- Issue date Apr 19, 2005
- Pathfinder Energy Services, Inc.
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Grant
Surveying a subterranean borehole using accelerometers
- Patent number 6,480,119
- Issue date Nov 12, 2002
- Halliburton Energy Services, Inc.
- Graham McElhinney
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Magnetic Gradient and Curvature Based Ranging Method
- Publication number 20160245072
- Publication date Aug 25, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Andrew G. Brooks
- E21 - EARTH DRILLING MINING
Information Patent Application
Magnetic Latching Device For Downhole Wellbore Intercept Operations
- Publication number 20150034312
- Publication date Feb 5, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Graham Arthur McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
AT-BIT MAGNETIC RANGING AND SURVEYING
- Publication number 20130069655
- Publication date Mar 21, 2013
- Graham A. McElhinney
- G01 - MEASURING TESTING
Information Patent Application
Method For Improving Wellbore Survey Accuracy And Placement
- Publication number 20130002257
- Publication date Jan 3, 2013
- Graham A. McElhinney
- G01 - MEASURING TESTING
Information Patent Application
METHODS FOR IMPROVED ACTIVE RANGING AND TARGET WELL MAGNETIZATION
- Publication number 20120139543
- Publication date Jun 7, 2012
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
ELECTROMAGNETIC ARRAY FOR SUBTERRANEAN MAGNETIC RANGING OPERATIONS
- Publication number 20120139530
- Publication date Jun 7, 2012
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of Acoustic Ranging
- Publication number 20120051184
- Publication date Mar 1, 2012
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Relative and Absolute Error Models for Subterranean Wells
- Publication number 20100241410
- Publication date Sep 23, 2010
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
ENHANCED PASSIVE RANGING METHODOLOGY FOR WELL TWINNING
- Publication number 20100194395
- Publication date Aug 5, 2010
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Method of Magnetizing Casing String Tubulars for Enhanced Passive R...
- Publication number 20090201026
- Publication date Aug 13, 2009
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Magnetization of Target Well Casing String Tubulars for Enhanced Pa...
- Publication number 20090201025
- Publication date Aug 13, 2009
- Smith International, Inc.
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for Magnetizing Casing String Tubulars
- Publication number 20090195340
- Publication date Aug 6, 2009
- Smith International, Inc.
- Kenneth Stenerson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetized Casing String Tubulars
- Publication number 20090195339
- Publication date Aug 6, 2009
- Smith International, Inc.
- Kenneth Stenerson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Transverse magnetization of casing string tubulars
- Publication number 20090173504
- Publication date Jul 9, 2009
- PathFinder Energy Services, Inc .
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Distance determination from a magnetically patterned target well
- Publication number 20080177475
- Publication date Jul 24, 2008
- PathFinder Energy Services, Inc .
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method for magnetizing casing string tubulars
- Publication number 20080012672
- Publication date Jan 17, 2008
- PathFinder Energy Services, Inc .
- Kenneth Stenerson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for locating casing joints using measurement while drilling...
- Publication number 20060173626
- Publication date Aug 3, 2006
- PathFinder Energy Services, Inc .
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Magnetization of target well casing strings tubulars for enhanced p...
- Publication number 20060131013
- Publication date Jun 22, 2006
- PathFinder Energy Services, Inc .
- Graham A. McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Well twinning techniques in borehole surveying
- Publication number 20040249573
- Publication date Dec 9, 2004
- PathFinder Energy Services, Inc .
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole referencing techniques in borehole surveying
- Publication number 20040163443
- Publication date Aug 26, 2004
- PathFinder Energy Services, Inc .
- Graham McElhinney
- E21 - EARTH DRILLING MINING
Information Patent Application
PASSIVE RANGING TECHNIQUES IN BOREHOLE SURVEYING
- Publication number 20040160223
- Publication date Aug 19, 2004
- PathFinder Energy Services, Inc .
- Graham McElhinney
- G01 - MEASURING TESTING
Information Patent Application
Supplemental referencing techniques in borehole surveying
- Publication number 20040073369
- Publication date Apr 15, 2004
- PathFinder Energy Services, Inc .
- Graham McElhinney
- E21 - EARTH DRILLING MINING

Graham A. McElhinney

Person

Patents Grantslast 30 patents

Magnetic latching device for downhole wellbore intercept operations

Method for improving wellbore survey accuracy and placement

Methods for improved active ranging and target well magnetization

At-bit magnetic ranging and surveying

Method of acoustic ranging

Method of magnetizing casing string tubulars for enhanced passive r...

Enhanced passive ranging methodology for well twinning

Magnetization of target well casing string tubulars for enhanced pa...

Transverse magnetization of casing string tubulars

Method for magnetizing casing string tubulars

Magnetized casing string tubulars

Magnetization of target well casing strings tubulars for enhanced p...

Distance determination from a magnetically patterned target well

Apparatus and method for magnetizing casing string tubulars

Method for locating casing joints using measurement while drilling...

Supplemental referencing techniques in borehole surveying

Well twinning techniques in borehole surveying

Passive ranging techniques in borehole surveying

Downhole referencing techniques in borehole surveying

Surveying a subterranean borehole using accelerometers

Patents Applicationslast 30 patents

Magnetic Gradient and Curvature Based Ranging Method

Magnetic Latching Device For Downhole Wellbore Intercept Operations

AT-BIT MAGNETIC RANGING AND SURVEYING

Method For Improving Wellbore Survey Accuracy And Placement

METHODS FOR IMPROVED ACTIVE RANGING AND TARGET WELL MAGNETIZATION

ELECTROMAGNETIC ARRAY FOR SUBTERRANEAN MAGNETIC RANGING OPERATIONS

Method of Acoustic Ranging

Relative and Absolute Error Models for Subterranean Wells

ENHANCED PASSIVE RANGING METHODOLOGY FOR WELL TWINNING

Method of Magnetizing Casing String Tubulars for Enhanced Passive R...

Magnetization of Target Well Casing String Tubulars for Enhanced Pa...

Method for Magnetizing Casing String Tubulars

Magnetized Casing String Tubulars

Transverse magnetization of casing string tubulars

Distance determination from a magnetically patterned target well

Apparatus and method for magnetizing casing string tubulars

Method for locating casing joints using measurement while drilling...

Magnetization of target well casing strings tubulars for enhanced p...

Well twinning techniques in borehole surveying

Downhole referencing techniques in borehole surveying

PASSIVE RANGING TECHNIQUES IN BOREHOLE SURVEYING

Supplemental referencing techniques in borehole surveying