Inventor
DONZIER ERIC
FR32 patents
⚠️ This page may combine multiple inventors who share the name “DONZIER ERIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OPENFIELD
11 patentsUS8931347B2Jan 13, 2015
Fluid pressure sensor and measurement probe
OPENFIELD40 citations93
US10527751B2Jan 7, 2020
Downhole fluid properties optical analysis probe having a removable optical tip
OPENFIELD13 citations84
US10472951B2Nov 12, 2019
Downhole acoustic transducer, downhole probe and tool comprising such a transducer
OPENFIELD13 citations83
US10294771B2May 21, 2019
Production logging tool and downhole fluid analysis probes deploying method, in particular for deviated and horizontal hydrocarbon well
OPENFIELD10 citations83
US9863244B2Jan 9, 2018
Downhole fluid properties analysis probe, tool and method
OPENFIELD14 citations83
US9651710B2May 16, 2017
Downhole fluid properties analysis device and tools comprising such a device
OPENFIELD8 citations83
US9777555B2Oct 3, 2017
Predictive flow assurance assessment method and system
OPENFIELD4 citations73
US11352839B2Jun 7, 2022
Production logging tool and downhole fluid analysis probes deploying method
OPENFIELD2 citations72
US11913292B2Feb 27, 2024
Production logging tool and downhole fluid analysis sensors vertical deploying method
OPENFIELD1 citations61
US11656187B2May 23, 2023
Microwave doppler flowmeter for hydrocarbon wells
OPENFIELD0 citations51
US11131570B2Sep 28, 2021
Mini-spinner flowmeter and downhole tool comprising an array of mini-spinner flowmeters for operation in hydrocarbon well
OPENFIELD0 citations51
SCHLUMBERGER TECHNOLOGY CORP
7 patentsUS7958772B2Jun 14, 2011
Density and viscosity sensor
SCHLUMBERGER TECHNOLOGY CORP25 citations92
US7152466B2Dec 26, 2006
Methods and apparatus for rapidly measuring pressure in earth formations
SCHLUMBERGER TECHNOLOGY CORP46 citations92
US5736650AApr 7, 1998
Venturi flow meter for measurement in a fluid flow passage
SCHLUMBERGER TECHNOLOGY CORP92 citations92
US7434457B2Oct 14, 2008
Fluid property sensors
SCHLUMBERGER TECHNOLOGY CORP53 citations90
US7874199B2Jan 25, 2011
Density and viscosity sensor
SCHLUMBERGER TECHNOLOGY CORP38 citations89
US6966228B2Nov 22, 2005
Resonator-type microelectronic pressure sensor that withstands high pressures
SCHLUMBERGER TECHNOLOGY CORP21 citations89
US6615664B1Sep 9, 2003
Method of measuring pressure by means of a pressure gauge having a resonant element
SCHLUMBERGER TECHNOLOGY CORP1 citations52
Openfield SA
4 patentsUS9952192B2Apr 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
SAUDI ARABIAN OIL CO
3 patentsUS12000277B2Jun 4, 2024
Water detection for geosteering in directional drilling
SAUDI ARABIAN OIL CO0 citations62
US12000223B2Jun 4, 2024
Geosteering in directional drilling
SAUDI ARABIAN OIL CO0 citations62
US11781419B2Oct 10, 2023
Instrumented mandrel for coiled tubing drilling
SAUDI ARABIAN OIL CO0 citations62