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Two-stage expandable liner hanger
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Patent number 12,203,349
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Issue date Jan 21, 2025
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Halliburton Energy Services, Inc.
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Chee Sing Kelvin Loh
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E21 - EARTH DRILLING MINING
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Downhole expandable metal tubular
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Patent number 12,196,055
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Issue date Jan 14, 2025
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Welltec Manufacturing Center Completions ApS
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Ricardo Reves Vasques
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E21 - EARTH DRILLING MINING
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Liner hanger system
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Patent number 12,134,956
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Issue date Nov 5, 2024
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Halliburton Energy Services, Inc.
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Xiaoguang Allan Zhong
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E21 - EARTH DRILLING MINING
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Downhole positive displacement pump
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Patent number 12,037,858
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Issue date Jul 16, 2024
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Welltec A/S
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Jørgen Hallundbæk
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Expandable liner hanger
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Patent number 12,006,801
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Issue date Jun 11, 2024
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Coretrax Americas Limited
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Jorge Bermudez
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E21 - EARTH DRILLING MINING
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Downhole flow controller
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Patent number 11,867,025
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Issue date Jan 9, 2024
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NCS Multistage Inc.
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Stanley Mberia
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E21 - EARTH DRILLING MINING
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Casing patch system
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Patent number 11,788,388
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Issue date Oct 17, 2023
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Coretrax Americas Limited
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Andrei G. Filippov
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E21 - EARTH DRILLING MINING
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Liner retrieval tool and method
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Patent number 11,591,875
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Issue date Feb 28, 2023
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Enventure Global Technology Inc.
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Matthew Mark Godfrey
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E21 - EARTH DRILLING MINING
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Morphable apparatus
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Patent number 11,525,327
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Issue date Dec 13, 2022
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Schlumberger Technology Corporation
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Andrew John Joseph Gorrara
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E21 - EARTH DRILLING MINING
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