Sheng Chang

Person

Sugar Land, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Reduced torque wireline cable
- Patent number 12,163,394
- Issue date Dec 10, 2024
- Schlumberger Technology Corporation
- Joseph Varkey
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Grant
Torque-balanced, gas-sealed wireline cables
- Patent number 11,387,014
- Issue date Jul 12, 2022
- Schlumberger Technology Corporation
- Joseph Varkey
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Downhole cable and method of making a downhole cable
- Patent number 11,315,706
- Issue date Apr 26, 2022
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrically conductive fiber optic slickline for coiled tubing ope...
- Patent number 11,268,329
- Issue date Mar 8, 2022
- Schlumberger Technology Corporation
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Manufacturing techniques for a jacketed metal line
- Patent number 11,158,442
- Issue date Oct 26, 2021
- Schlumberger Technology Corporation
- Joseph Varkey
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Downhole cables and methods of making the same
- Patent number 10,854,354
- Issue date Dec 1, 2020
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods and cables for use in fracturing zones in a well
- Patent number 10,738,577
- Issue date Aug 11, 2020
- Schlumberger Technology Corporation
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packoff seals and processes for using same
- Patent number 10,487,616
- Issue date Nov 26, 2019
- Schlumberger Technology Corporation
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cables with polymeric jacket layers
- Patent number 10,468,156
- Issue date Nov 5, 2019
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Downhole cables and methods of making the same
- Patent number 10,304,589
- Issue date May 28, 2019
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cables with polymeric jacket layers
- Patent number 10,297,365
- Issue date May 21, 2019
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a cable
- Patent number 10,262,770
- Issue date Apr 16, 2019
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual use cable with fiber optics for use in wellbore operations
- Patent number 10,087,717
- Issue date Oct 2, 2018
- Schlumberger Technology Corporation
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Grant
High power opto-electrical cable with multiple power and telemetry...
- Patent number 10,062,476
- Issue date Aug 28, 2018
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Slickline manufacturing techniques
- Patent number 10,037,836
- Issue date Jul 31, 2018
- Schlumberger Technology Corporation
- Joseph Varkey
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Methods and cables for use in fracturing zones in a well
- Patent number 10,001,613
- Issue date Jun 19, 2018
- Schlumberger Technology Corporation
- Joseph Varkey
- G02 - OPTICS
Information Patent Grant
Torque-balanced electrical cable
- Patent number 9,959,953
- Issue date May 1, 2018
- Schlumberger Technology Corporation
- Joseph Varkey
- G02 - OPTICS
Information Patent Grant
Downhole cables and methods of making the same
- Patent number 9,859,037
- Issue date Jan 2, 2018
- Schlumberger Technology Corporation
- Joseph Varkey
- G02 - OPTICS
Information Patent Grant
Cables and methods of making cables
- Patent number 9,767,938
- Issue date Sep 19, 2017
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cable
- Patent number 9,679,677
- Issue date Jun 13, 2017
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pump deployment via cable
- Patent number 9,638,021
- Issue date May 2, 2017
- Schlumberger Technology Corporation
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wireline cables not requiring seasoning
- Patent number 9,496,075
- Issue date Nov 15, 2016
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Torque-balanced, gas-sealed wireline cables
- Patent number 9,412,492
- Issue date Aug 9, 2016
- Schlumberger Technology Corporation
- Joseph Varkey
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Torque-balanced electrical cable
- Patent number 8,969,726
- Issue date Mar 3, 2015
- Schlumberger Technology Corporation
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wireline cables not requiring seasoning
- Patent number 8,901,425
- Issue date Dec 2, 2014
- Schlumberger Technology Corporatoon
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hydrocarbon application hose
- Patent number 8,069,879
- Issue date Dec 6, 2011
- Schlumberger Technology Corporation
- Joseph Varkey
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Active cable for wellbore heating and distributed temperature sensing
- Patent number 7,730,936
- Issue date Jun 8, 2010
- Schlumberger Technology Corporation
- Vladimir Hernandez-Solis
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPE...
- Publication number 20230407711
- Publication date Dec 21, 2023
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPE...
- Publication number 20220341268
- Publication date Oct 27, 2022
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REDUCED TORQUE WIRELINE CABLE
- Publication number 20200123866
- Publication date Apr 23, 2020
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Application
CABLES WITH POLYMERIC JACKET LAYERS
- Publication number 20190279786
- Publication date Sep 12, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CABLE AND METHOD OF MAKING THE SAME
- Publication number 20190244725
- Publication date Aug 8, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTINUOUSLY BONDED SMALL-DIAMETER CABLE WITH ELECTRICAL RETURN ON...
- Publication number 20190006060
- Publication date Jan 3, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PACKOFF SEALS AND PROCESSES FOR USING SAME
- Publication number 20190003278
- Publication date Jan 3, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Application
TORQUE-BALANCED, GAS-SEALED WIRELINE CABLES
- Publication number 20180366240
- Publication date Dec 20, 2018
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MANUFACTURING TECHNIQUES FOR A JACKETED METAL LINE
- Publication number 20180330851
- Publication date Nov 15, 2018
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
DOWNHOLE CABLES AND METHODS OF MAKING THE SAME
- Publication number 20180137953
- Publication date May 17, 2018
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- G02 - OPTICS
Information Patent Application
CABLES WITH POLYMERIC JACKET LAYERS
- Publication number 20180122533
- Publication date May 3, 2018
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DOWNHOLE CABLES AND METHODS OF MAKING THE SAME
- Publication number 20170323705
- Publication date Nov 9, 2017
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CABLE AND METHOD OF MAKING THE SAME
- Publication number 20170278592
- Publication date Sep 28, 2017
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Downhole Cables and Methods of Making the Same
- Publication number 20170004905
- Publication date Jan 5, 2017
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TORQUE-BALANCED, GAS-SEALED WIRELINE CABLES
- Publication number 20160329128
- Publication date Nov 10, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SLICKLINE MANUFACTURING TECHNIQUES
- Publication number 20160293298
- Publication date Oct 6, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Electrically Conductive Fiber Optic Slickline For Coiled Tubing Ope...
- Publication number 20160222736
- Publication date Aug 4, 2016
- Joseph Varkey
- G02 - OPTICS
Information Patent Application
METHODS AND CABLES FOR USE IN FRACTURING ZONES IN A WELL
- Publication number 20160024902
- Publication date Jan 28, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Peter John Richter
- E21 - EARTH DRILLING MINING
Information Patent Application
Methods and Cables for Use in Fracturing Zones in a Well
- Publication number 20160025945
- Publication date Jan 28, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Paul Wanjau
- G02 - OPTICS
Information Patent Application
Cables And Methods Of Making Cables
- Publication number 20150294762
- Publication date Oct 15, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Downhole Cables And Methods Of Making The Same
- Publication number 20150294763
- Publication date Oct 15, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- G02 - OPTICS
Information Patent Application
HIGH POWER OPTO-ELECTRICAL CABLE WITH MULTIPLE POWER AND TELEMETRY...
- Publication number 20150170799
- Publication date Jun 18, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- G02 - OPTICS
Information Patent Application
Torque-Balanced Electrical Cable
- Publication number 20150170791
- Publication date Jun 18, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- G02 - OPTICS
Information Patent Application
Wireline Cables Not Requiring Seasoning
- Publication number 20150155073
- Publication date Jun 4, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cables And Methods Of Making Cables
- Publication number 20150155074
- Publication date Jun 4, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cable and Method of Making the Same
- Publication number 20150136440
- Publication date May 21, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Conductor Component
- Publication number 20150122541
- Publication date May 7, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wireline Cables Not Requiring Seasoning
- Publication number 20150075696
- Publication date Mar 19, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CABLE HAVING STRENGTH MEMBER WITH BONDED POLYMER COATINGS TO CREATE...
- Publication number 20150037581
- Publication date Feb 5, 2015
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Dual Use Cable With Fiber Optic Packaging For Use In Wellbore Opera...
- Publication number 20140367121
- Publication date Dec 18, 2014
- Joseph Varkey
- G02 - OPTICS

Sheng Chang

Person

Patents Grantslast 30 patents

Reduced torque wireline cable

Torque-balanced, gas-sealed wireline cables

Downhole cable and method of making a downhole cable

Electrically conductive fiber optic slickline for coiled tubing ope...

Manufacturing techniques for a jacketed metal line

Downhole cables and methods of making the same

Methods and cables for use in fracturing zones in a well

Packoff seals and processes for using same

Cables with polymeric jacket layers

Downhole cables and methods of making the same

Cables with polymeric jacket layers

Method of making a cable

Dual use cable with fiber optics for use in wellbore operations

High power opto-electrical cable with multiple power and telemetry...

Slickline manufacturing techniques

Methods and cables for use in fracturing zones in a well

Torque-balanced electrical cable

Downhole cables and methods of making the same

Cables and methods of making cables

Cable

Pump deployment via cable

Wireline cables not requiring seasoning

Torque-balanced, gas-sealed wireline cables

Torque-balanced electrical cable

Wireline cables not requiring seasoning

Hydrocarbon application hose

Active cable for wellbore heating and distributed temperature sensing

Patents Applicationslast 30 patents

ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPE...

ELECTRICALLY CONDUCTIVE FIBER OPTIC SLICKLINE FOR COILED TUBING OPE...

REDUCED TORQUE WIRELINE CABLE

CABLES WITH POLYMERIC JACKET LAYERS

CABLE AND METHOD OF MAKING THE SAME

CONTINUOUSLY BONDED SMALL-DIAMETER CABLE WITH ELECTRICAL RETURN ON...

PACKOFF SEALS AND PROCESSES FOR USING SAME

TORQUE-BALANCED, GAS-SEALED WIRELINE CABLES

MANUFACTURING TECHNIQUES FOR A JACKETED METAL LINE

DOWNHOLE CABLES AND METHODS OF MAKING THE SAME

CABLES WITH POLYMERIC JACKET LAYERS

DOWNHOLE CABLES AND METHODS OF MAKING THE SAME

CABLE AND METHOD OF MAKING THE SAME

Downhole Cables and Methods of Making the Same

TORQUE-BALANCED, GAS-SEALED WIRELINE CABLES

SLICKLINE MANUFACTURING TECHNIQUES

Electrically Conductive Fiber Optic Slickline For Coiled Tubing Ope...

METHODS AND CABLES FOR USE IN FRACTURING ZONES IN A WELL

Methods and Cables for Use in Fracturing Zones in a Well

Cables And Methods Of Making Cables

Downhole Cables And Methods Of Making The Same

HIGH POWER OPTO-ELECTRICAL CABLE WITH MULTIPLE POWER AND TELEMETRY...

Torque-Balanced Electrical Cable

Wireline Cables Not Requiring Seasoning

Cables And Methods Of Making Cables

Cable and Method of Making the Same

Conductor Component

Wireline Cables Not Requiring Seasoning

CABLE HAVING STRENGTH MEMBER WITH BONDED POLYMER COATINGS TO CREATE...

Dual Use Cable With Fiber Optic Packaging For Use In Wellbore Opera...