John D. Macpherson

SYNTHETIC FORMATION EVALUATION LOGS BASED ON DRILLING VIBRATIONS

Synthetic formation evaluation logs based on drilling vibrations

Life-time management of downhole tools and components

Automatic triggering and conducting of sweeps

Wired pipe auto-stabbing guide

Devices and methods to communicate information from below a surface cement plug in a plugged or abandoned well

Life-time management of downhole tools and components

Synchronization of distributed measurements in a borehole

Monitoring and control systems for continuous circulating drilling operations

System and method for well data analysis

Realtime dogleg severity prediction

Adaptive drilling control system

Synthetic formation evaluation logs based on drilling vibrations

System and method for estimating directional characteristics based on bending moment measurements

Optical telemetry network

Adaptive drilling control system

Distributed measurement of mud temperature

System and method for improved depth measurement correction

Real time formation pressure test and pressure integrity test

Mud channel characterization over depth

CONTROL OF DOWNHOLE DEVICES IN A WELLBORE

Distributed sensors-controller for active vibration damping from surface

Distributed sensors for dynamics modeling

System and method to locate, monitor and quantify friction between a drillstring and a wellbore

Downhole washout detection system and method

APPARATUS AND METHOD FOR COMMUNICATING INFORMATION BETWEEN A WELLBORE AND SURFACE