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Openfield SA

FR4 patents

Top patents by PatentIndex Score

US9952192B2Apr 24, 2018

Probe, sonde and method for producing signals indicative of local phase composition of a fluid

Openfield SA18 citations83
US10774639B2Sep 15, 2020

Downhole local solid particles counting probe, production logging tool comprising the same and sand entry investigation method for hydrocarbon wells

Openfield SA1 citations60
US11629588B2Apr 18, 2023

Method and device for depth positioning downhole tool and associated measurement log of a hydrocarbon well

Openfield SA0 citations50
US10761238B2Sep 1, 2020

Downhole optical chemical compound monitoring device, bottom hole assembly and measurements-while-drilling tool comprising the same, and method of optically monitoring chemical compound downhole during drilling

Openfield SA0 citations39