Inventor

DERKACZ PATRICK R

CA44 patents

⚠️ This page may combine multiple inventors who share the name “DERKACZ PATRICK R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DERKACZ PATRICK R

EVOLUTION ENGINEERING INC

Universal downhole probe system

Centralizer for downhole probes

Centralizer for downhole probes

Centralizer for downhole probes

Downhole probe centralizer

Drill collar with integrated probe centralizer

Centralizer for downhole probes

Downhole probes and systems

Optimizing downhole data communication with at bit sensors and nodes

Centralizer for downhole probes

Methods and apparatus for downhole probes

Electromagnetic telemetry gap sub assembly with insulating collar

Gap assembly for EM data telemetry

Electromagnetic telemetry system with compensation for drilling fluid characteristics

Pinned electromagnetic telemetry gap sub assembly

Electromagnetic telemetry gap sub assembly with insulating collar

Axially-supported downhole probes

Methods and apparatus for generating electromagnetic telemetry signals

Measuring while drilling systems, method and apparatus

Downhole system with integrated backup sensors

Torsion resistant gap sub

Downhole probe sleeves and methods for making probe sleeves

Torsion resistant gap sub

Centralizer for downhole probes

Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling

Universal downhole probe system

Axially-supported downhole probes

Mud motor with integrated MWD system

Apparatus for angular alignment of downhole sensors with high side in directional drilling

Downhole probe centralizer

Methods and apparatus for generating electromagnetic telemetry signals

Downhole probe assembly with bluetooth device

Methods and apparatus for downhole probes

Selecting transmission frequency based on formation properties

Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling

Downhole system with integrated backup sensors

Optimizing downhole data communication with at bit sensors and nodes

Mixed-mode telemetry systems and methods

Sealed gap sub

Downhole electronics carrier

Drill string sections with interchangeable couplings

Jig for coupling or uncoupling drill string sections with detachable couplings and related methods

Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement

BAKER HUGHES CANADA COMPANY

Centralizer for downhole probes