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Downhole tool
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Patent number 11,859,459
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Issue date Jan 2, 2024
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Welltec A/S
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Jørgen Hallundbæk
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E21 - EARTH DRILLING MINING
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Well abandonment
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Patent number 11,840,902
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Issue date Dec 12, 2023
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ARDYNE HOLDINGS LIMITED
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Alan Fairweather
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E21 - EARTH DRILLING MINING
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Expandable overshot-spear tool
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Patent number 11,739,604
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Issue date Aug 29, 2023
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Saudi Arabian Oil Company
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Abdulaziz Almusa
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E21 - EARTH DRILLING MINING
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Fishing scanning tool
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Patent number 11,555,369
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Issue date Jan 17, 2023
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Saudi Arabian Oil Company
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Sultan Abdulwahab Al-Shehri
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E21 - EARTH DRILLING MINING
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Downhole tool
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Patent number 11,530,589
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Issue date Dec 20, 2022
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Welltec A/S
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Jørgen Hallundbæk
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E21 - EARTH DRILLING MINING
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Fish retrieval from wellbore
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Patent number 11,525,322
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Issue date Dec 13, 2022
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Saudi Arabian Oil Company
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Marius Neacsu
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E21 - EARTH DRILLING MINING
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Downhole casing pulling tool
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Patent number 11,512,548
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Issue date Nov 29, 2022
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Weatherford Technology Holdings, LLC
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Ronald G. Schmidt
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E21 - EARTH DRILLING MINING
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Advanced pulling prong
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Patent number 11,352,846
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Issue date Jun 7, 2022
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Halliburton Energy Services, Inc.
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James Dan Vick
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E21 - EARTH DRILLING MINING