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Geoffrey C. Downton

Schlumberger Technology: 5 patents #7 of 860Top 1%
Overall (2021): #33,266 of 548,734Top 7%
5
Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11208847 Stepped downhole tools and methods of use Michael G. Azar, Edward George Parkin 2021-12-28
11142955 Steerable drill bit system 2021-10-12
11125020 Downhole drilling apparatus with drilling, steering, and reaming functions and methods of use Jonathan Marshall 2021-09-21
11118408 Downhole steering system and methods Jonathan Marshall, Edward George Parkin, David C. Hoyle, Nalin Weerasinghe, Dennis Patrick Chestnutt 2021-09-14
10920536 Methods and systems for designing drilling systems Sujian Huang, Guishui Zheng 2021-02-16