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Philip C. Stevenson
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Stafford, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Cutting tool and controls for downhole mechanical services
Patent number
12,098,608
Issue date
Sep 24, 2024
Schlumberger Technology Corporation
Joseph Matthew Casassa
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole shifting tool
Patent number
10,006,263
Issue date
Jun 26, 2018
Schlumberger Technology Corporation
Max E. Spencer
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
CUTTING TOOL AND CONTROLS FOR DOWNHOLE MECHANICAL SERVICES
Publication number
20250012160
Publication date
Jan 9, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Joseph Matthew Casassa
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTING TOOL AND CONTROLS FOR DOWNHOLE MECHANICAL SERVICES
Publication number
20220412179
Publication date
Dec 29, 2022
SCHLUMBERGER TECHNOLOGY CORPORATION
Todor Sheiretov
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Shifting Tool
Publication number
20140174761
Publication date
Jun 26, 2014
SCHLUMBERGER TECHNOLOGY CORPORATION
Max E. Spencer
E21 - EARTH DRILLING MINING