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Stephen David LONG
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The Woodlands, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Apparatus and methods for operating gas lift wells
Patent number
10,920,546
Issue date
Feb 16, 2021
Weatherford Technology Holdings, LLC
Ross Moffett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gas lift valve having shear open mechanism for pressure testing
Patent number
10,787,889
Issue date
Sep 29, 2020
Weatherford Technology Holdings, LLC
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and methods for operating gas lift wells
Patent number
10,689,958
Issue date
Jun 23, 2020
Weatherford Technology Holdings, LLC
Ross Moffett
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS AND METHODS FOR OPERATING GAS LIFT WELLS
Publication number
20200277844
Publication date
Sep 3, 2020
Weatherford Technology Holdings, LLC.
Ross MOFFETT
E21 - EARTH DRILLING MINING
Information
Patent Application
Gas Lift Valve Having Shear Open Mechanism for Pressure Testing
Publication number
20200032627
Publication date
Jan 30, 2020
Weatherford Technology Holdings, LLC.
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHODS FOR OPERATING GAS LIFT WELLS
Publication number
20180179869
Publication date
Jun 28, 2018
Weatherford Technology Holdings, LLC.
Ross Moffett
E21 - EARTH DRILLING MINING
Information
Patent Application
GAS LIFT VALVE
Publication number
20150083433
Publication date
Mar 26, 2015
WEATHERFORD/LAMB, INC.
Stephen David LONG
E21 - EARTH DRILLING MINING