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REAMER DRILL BIT
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Publication number 20220372823
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Publication date Nov 24, 2022
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Saudi Arabian Oil Company
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Hussien A. Alzaki
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E21 - EARTH DRILLING MINING
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CONCEALED NOZZLE DRILL BIT
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Publication number 20210332647
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Publication date Oct 28, 2021
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Saudi Arabian Oil Company
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Shrikant Tiwari
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E21 - EARTH DRILLING MINING
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FLUSHING SYSTEM IN DRILL BITS
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Publication number 20210262294
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Publication date Aug 26, 2021
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Caterpillar Global Mining Equipment LLC
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Koushik Kabiraj
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E21 - EARTH DRILLING MINING
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ROTARY STEERABLE DRILL STRING
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Publication number 20200131852
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Publication date Apr 30, 2020
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Paul Anthony Donegan MCCLURE
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E21 - EARTH DRILLING MINING
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DRILL BIT VALVE
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Publication number 20200109605
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Publication date Apr 9, 2020
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Saudi Arabian Oil Company
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Ahmad A. Amoudi
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E21 - EARTH DRILLING MINING
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DRILL BIT NOZZLE AND DRILL BIT
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Publication number 20190345775
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Publication date Nov 14, 2019
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SEED TECHNOLOGIES CORP., LTD.
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Yuehua XU
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E21 - EARTH DRILLING MINING
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WELLBORE DRILL BIT NOZZLE
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Publication number 20190309580
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Publication date Oct 10, 2019
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Saudi Arabian Oil Company
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Ahmad Mohammad Al-AbdulJabbar
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E21 - EARTH DRILLING MINING
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WELLBORE DRILL BIT NOZZLE
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Publication number 20190309579
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Publication date Oct 10, 2019
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Saudi Arabian Oil Company
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Ahmad Mohammad Al-AbdulJabbar
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E21 - EARTH DRILLING MINING
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Steerable Acid Tunneling System
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Publication number 20190242241
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Publication date Aug 8, 2019
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BAKER HUGHES, A GE COMPANY, LLC
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Silviu Livescu
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E21 - EARTH DRILLING MINING
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Earth-Boring Bit
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Publication number 20180347283
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Publication date Dec 6, 2018
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Jacob Wendt
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E21 - EARTH DRILLING MINING
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Downhole Outer Drill Bit
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Publication number 20180016850
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Publication date Jan 18, 2018
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Novatek IP, LLC
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David R. Hall
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E21 - EARTH DRILLING MINING