DR

Douglas Ridgway

SI Scientific Drilling International: 9 patents #4 of 71Top 6%
📍 Edmonton, CA: #194 of 2,912 inventorsTop 7%
Overall (All Time): #529,270 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12188351 Active magnetic ranging while drilling Ben Hawkinson, Jamie Dorey 2025-01-07
11860329 Buried wellbore location from surface magnetic measurements Clinton Moss 2024-01-02
11761264 Active magnetic ranging while drilling Ben Hawkinson, Jamie Dorey 2023-09-19
11634950 Active magnetic ranging while drilling Ben Hawkinson, Jamie Dorey 2023-04-25
11243323 Buried wellbore location from surface magnetic measurements Clinton Moss 2022-02-08
11086043 Passive magnetic ranging Clinton Moss, Troy Martin 2021-08-10
10837273 Surface coil for wellbore positioning Clinton Moss, Troy Martin 2020-11-17
10494916 Sub-surface electromagnetic telemetry systems and methods Matthew A. White, Brian D. Gleason, Stephen Morrow, Peter Smidth, Larry J. Schoennauer 2019-12-03
10422198 Magnetic ranging from behind a magnetic shield Clinton Moss 2019-09-24