Inventor
LOGAN AARON W
CA113 patents
Patents
50 patentsUS9850722B2Dec 26, 2017
Universal downhole probe system
EVOLUTION ENGINEERING INC14 citations93
US9664037B2May 30, 2017
Detection of downhole data telemetry signals
EVOLUTION ENGINEERING INC31 citations93
US9644471B2May 9, 2017
Mounting and component holder apparatuses and assemblies for holding rigid components
EVOLUTION ENGINEERING INC23 citations93
US10871041B2Dec 22, 2020
Centralizer for downhole probes
EVOLUTION ENGINEERING INC8 citations92
US10006257B2Jun 26, 2018
Centralizer for downhole probes
EVOLUTION ENGINEERING INC8 citations92
US9605535B2Mar 28, 2017
Integrated downhole system with plural telemetry subsystems
EVOLUTION ENGINEERING INC13 citations92
US9523246B2Dec 20, 2016
Centralizer for downhole probes
EVOLUTION ENGINEERING INC19 citations92
US10358906B2Jul 23, 2019
Downhole probe centralizer
EVOLUTION ENGINEERING INC7 citations84
US10352111B2Jul 16, 2019
Drill collar with integrated probe centralizer
EVOLUTION ENGINEERING INC8 citations84
US10167683B2Jan 1, 2019
Centralizer for downhole probes
EVOLUTION ENGINEERING INC4 citations84
US10066481B2Sep 4, 2018
Downhole electromagnetic and mud pulse telemetry apparatus
EVOLUTION ENGINEERING INC7 citations84
US10006280B2Jun 26, 2018
Downhole pocket electronics
EVOLUTION ENGINEERING INC6 citations84
US9874083B2Jan 23, 2018
Downhole probes and systems
EVOLUTION ENGINEERING INC10 citations84
US9574441B2Feb 21, 2017
Downhole telemetry signal modulation using pressure pulses of multiple pulse heights
EVOLUTION ENGINEERING INC7 citations84
US9528370B2Dec 27, 2016
Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same
EVOLUTION ENGINEERING INC5 citations84
US9494035B2Nov 15, 2016
Fluid pressure pulse generator and method of using same
EVOLUTION ENGINEERING INC7 citations84
US9453410B2Sep 27, 2016
Mud hammer
EVOLUTION ENGINEERING INC11 citations84
US9765615B2Sep 19, 2017
Optimizing electromagnetic telemetry transmissions
EVOLUTION ENGINEERING INC6 citations82
US11795769B2Oct 24, 2023
Centralizer for downhole probes
EVOLUTION ENGINEERING INC2 citations73
US11073015B2Jul 27, 2021
Integrated downhole system with plural telemetry subsystems
EVOLUTION ENGINEERING INC1 citations73
US10729029B2Jul 28, 2020
Mounting and component holder apparatuses and assemblies for holding rigid components
EVOLUTION ENGINEERING INC5 citations73
US10641086B2May 5, 2020
Pressure compensation device for a fluid pressure pulse generating apparatus
EVOLUTION ENGINEERING INC2 citations73
US10598000B2Mar 24, 2020
Methods and apparatus for downhole probes
EVOLUTION ENGINEERING INC2 citations73
US10533413B2Jan 14, 2020
Method and apparatus for determining rotor position in a fluid pressure pulse generator
EVOLUTION ENGINEERING INC2 citations73
US10400520B2Sep 3, 2019
Electromagnetic telemetry gap sub assembly with insulating collar
EVOLUTION ENGINEERING INC2 citations73
US10215021B2Feb 26, 2019
Downhole electromagnetic and mud pulse telemetry apparatus
EVOLUTION ENGINEERING INC1 citations73
US10156102B2Dec 18, 2018
Gap assembly for EM data telemetry
EVOLUTION ENGINEERING INC2 citations73
US10113412B2Oct 30, 2018
Axially-supported downhole probes
EVOLUTION ENGINEERING INC2 citations73
US9976415B2May 22, 2018
Electromagnetic telemetry system with compensation for drilling fluid characteristics
EVOLUTION ENGINEERING INC3 citations73
US9932776B2Apr 3, 2018
Pinned electromagnetic telemetry gap sub assembly
EVOLUTION ENGINEERING INC2 citations73
US9909369B2Mar 6, 2018
Electromagnetic telemetry gap sub assembly with insulating collar
EVOLUTION ENGINEERING INC4 citations73
US9850751B2Dec 26, 2017
Axially-supported downhole probes
EVOLUTION ENGINEERING INC2 citations73
US9840910B2Dec 12, 2017
Fluid pressure pulse generator for a downhole telemetry tool
EVOLUTION ENGINEERING INC2 citations73
US9840909B2Dec 12, 2017
Flow bypass sleeve for a fluid pressure pulse generator of a downhole telemetry tool
EVOLUTION ENGINEERING INC3 citations73
US9771792B2Sep 26, 2017
Method and apparatus for multi-channel downhole electromagnetic telemetry
EVOLUTION ENGINEERING INC4 citations73
US9719345B2Aug 1, 2017
Electromagnetic communications system and method for a drilling operation
EVOLUTION ENGINEERING INC2 citations73
US9714569B2Jul 25, 2017
Mud pulse telemetry apparatus with a pressure transducer and method of operating same
EVOLUTION ENGINEERING INC2 citations73
US9670771B2Jun 6, 2017
Methods and apparatus for generating electromagnetic telemetry signals
EVOLUTION ENGINEERING INC3 citations73
US9631487B2Apr 25, 2017
Fluid pressure pulse generator for a downhole telemetry tool
EVOLUTION ENGINEERING INC2 citations73
US9528371B2Dec 27, 2016
Fluid pressure pulse generating apparatus and method of using same
EVOLUTION ENGINEERING INC4 citations73
US9512716B2Dec 6, 2016
System and method for regulating an electromagnetic telemetry signal sent from downhole to surface
EVOLUTION ENGINEERING INC4 citations73
US9476296B2Oct 25, 2016
Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same
EVOLUTION ENGINEERING INC3 citations73
US9988897B2Jun 5, 2018
Optimizing electromagnetic telemetry transmissions
EVOLUTION ENGINEERING INC2 citations71
US10316652B2Jun 11, 2019
Downhole telemetry tool with adaptive frequency transmitter
EVOLUTION ENGINEERING INC4 citations70
US10901108B2Jan 26, 2021
Method and apparatus for placing receiver electrodes for EM telemetry transmissions
EVOLUTION ENGINEERING INC0 citations63
US10753201B2Aug 25, 2020
Mud pulse telemetry apparatus with a pressure transducer and method of operating same
EVOLUTION ENGINEERING INC1 citations63
US10151196B2Dec 11, 2018
Downhole telemetry
EVOLUTION ENGINEERING INC1 citations63
US9988896B2Jun 5, 2018
Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location
EVOLUTION ENGINEERING INC1 citations63
US9500075B2Nov 22, 2016
Measurement while drilling fluid pressure pulse generator
EVOLUTION ENGINEERING INC2 citations63
US9464521B2Oct 11, 2016
Fluid pressure pulse generating apparatus with pressure compensation device and pulser assembly housing
EVOLUTION ENGINEERING INC2 citations63
Showing the top 50 of 113 patents by PatentIndex Score.