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David Scott
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Huntingdon, GB
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last 30 patents
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Patent Grant
Jetting tool for well cleaning
Patent number
6,062,311
Issue date
May 16, 2000
Schlumberger Technology Corporation
Ashley Bernard Johnson
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
DRILL BIT METAMORPHISM DETECTION
Publication number
20240401466
Publication date
Dec 5, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Jonathan Robert Hird
E21 - EARTH DRILLING MINING