John Hunka

Person

Sugar Land, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Extra bucking coils to balance induction arrays
- Patent number 7,812,608
- Issue date Oct 12, 2010
- Schlumberger Technology Corporation
- Andrei I. Davydychev
- G01 - MEASURING TESTING
Information Patent Grant
Retrievable formation resistivity tool
- Patent number 7,692,428
- Issue date Apr 6, 2010
- Schlumberger Technology Corporation
- Brian Clark
- G01 - MEASURING TESTING
Information Patent Grant
Selectable tap induction coil
- Patent number 7,679,366
- Issue date Mar 16, 2010
- Schlumberger Technology Corporation
- Scott S. Chesser
- G01 - MEASURING TESTING
Information Patent Grant
Composite encased tool for subsurface measurements
- Patent number 7,671,597
- Issue date Mar 2, 2010
- Schlumberger Technology Corporation
- Bulent Finci
- E21 - EARTH DRILLING MINING
Information Patent Grant
Extra bucking coils as an alternative way to balance induction arrays
- Patent number 7,501,829
- Issue date Mar 10, 2009
- Schlumberger Technology Corporation
- Andrei I. Davydychev
- G01 - MEASURING TESTING
Information Patent Grant
Selectable tap induction coil
- Patent number 7,417,436
- Issue date Aug 26, 2008
- Schlumberger Technology Corporation
- Scott S. Chesser
- G01 - MEASURING TESTING
Information Patent Grant
Methods for sealing openings in tubulars
- Patent number 7,187,297
- Issue date Mar 6, 2007
- Schlumberger Technology Corporation
- Brian Clark
- G01 - MEASURING TESTING
Information Patent Grant
Downhole tubular with openings for signal passage
- Patent number 6,975,243
- Issue date Dec 13, 2005
- Schlumberger Technology Corporation
- Brian Clark
- G01 - MEASURING TESTING
Information Patent Grant
Inductively-coupled system for receiving a run-in tool
- Patent number 6,903,660
- Issue date Jun 7, 2005
- Schlumberger Technology Corporation
- Brian Clark
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for downhole signal communication and measurem...
- Patent number 6,577,244
- Issue date Jun 10, 2003
- Schlumberger Technology Corporation
- Brian Clark
- G01 - MEASURING TESTING
Information Patent Grant
Induction logging sonde with metallic support having a coaxial insu...
- Patent number 4,873,488
- Issue date Oct 10, 1989
- Schlumberger Technology Corporation
- Thomas D. Barber
- E21 - EARTH DRILLING MINING
Information Patent Grant
Induction logging sonde with metallic support
- Patent number 4,651,101
- Issue date Mar 17, 1987
- Schlumberger Technology Corporation
- Thomas D. Barber
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
EXTRA BUCKING COILS AS AN ALTERNATIVE WAY TO BALANCE INDUCTION ARRAYS
- Publication number 20100026280
- Publication date Feb 4, 2010
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Andrei I. Davydychev
- G01 - MEASURING TESTING
Information Patent Application
EXTRA BUCKING COILS AS AN ALTERNATIVE WAY TO BALANCE INDUCTION ARRAYS
- Publication number 20080278147
- Publication date Nov 13, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Andrei I. Davydychev
- G01 - MEASURING TESTING
Information Patent Application
SELECTABLE TAP INDUCTION COIL
- Publication number 20080278170
- Publication date Nov 13, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Scott S. Chesser
- G01 - MEASURING TESTING
Information Patent Application
Retrievable Formation Resistivity Tool
- Publication number 20070216415
- Publication date Sep 20, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Brian Clark
- E21 - EARTH DRILLING MINING
Information Patent Application
Composite Encased Tool for Subsurface Measurements
- Publication number 20070107896
- Publication date May 17, 2007
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Bulent Finci
- E21 - EARTH DRILLING MINING
Information Patent Application
SELECTABLE TAP INDUCTION COIL
- Publication number 20060192561
- Publication date Aug 31, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Scott S. Chesser
- G01 - MEASURING TESTING
Information Patent Application
EXTRA BUCKING COILS AS AN ALTERNATIVE WAY TO BALANCE INDUCTION ARRAYS
- Publication number 20060192562
- Publication date Aug 31, 2006
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Andrei I. Davydychev
- G01 - MEASURING TESTING
Information Patent Application
Methods for sealing openings in tubulars
- Publication number 20030141872
- Publication date Jul 31, 2003
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Brian Clark
- E21 - EARTH DRILLING MINING
Information Patent Application
Inductively-coupled system for receiving a run-in tool
- Publication number 20030137302
- Publication date Jul 24, 2003
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Brian Clark
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole tubular with openings for signal passage
- Publication number 20030137429
- Publication date Jul 24, 2003
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Brian Clark
- E21 - EARTH DRILLING MINING

Person

Patents Grantslast 30 patents

Extra bucking coils to balance induction arrays

Retrievable formation resistivity tool

Selectable tap induction coil

Composite encased tool for subsurface measurements

Extra bucking coils as an alternative way to balance induction arrays

Selectable tap induction coil

Methods for sealing openings in tubulars

Downhole tubular with openings for signal passage

Inductively-coupled system for receiving a run-in tool

Method and apparatus for downhole signal communication and measurem...

Induction logging sonde with metallic support having a coaxial insu...

Induction logging sonde with metallic support

Patents Applicationslast 30 patents

EXTRA BUCKING COILS AS AN ALTERNATIVE WAY TO BALANCE INDUCTION ARRAYS

EXTRA BUCKING COILS AS AN ALTERNATIVE WAY TO BALANCE INDUCTION ARRAYS

SELECTABLE TAP INDUCTION COIL

Retrievable Formation Resistivity Tool

Composite Encased Tool for Subsurface Measurements

SELECTABLE TAP INDUCTION COIL

EXTRA BUCKING COILS AS AN ALTERNATIVE WAY TO BALANCE INDUCTION ARRAYS

Methods for sealing openings in tubulars

Inductively-coupled system for receiving a run-in tool

Downhole tubular with openings for signal passage