This inventor holds 2 USPTO granted patents, plus 2 CIPO patents. Top assignee: Schlumberger Technology Corporation. Active years: 2008-2011.
Location History:
- Peterhead, GB (2008)
- Aberdeen, GB (2011)
Company Filing History:
Years Active: 2008-2011
Title: John Freer: Innovator in Downhole Communication Systems
Introduction
John Freer is a notable inventor based in Aberdeen, GB. He has made significant contributions to the field of data communication and power supply systems, particularly in downhole applications. With a total of 2 patents, Freer's work has advanced the technology used in hydrocarbon wells.
Latest Patents
Freer's latest patents include a data communication and power supply system for downhole applications. This innovative system allows for electrical energy to be supplied over a multiple-conductor power cable to an Electric Submersible Pump (ESP) motor assembly. The downhole unit is AC-coupled to the conductors of the power cable through the wye point of the ESP motor assembly. A surface unit is also AC-coupled to the conductors of the power cable. Uplink communication of telemetry data occurs over an AC communication scheme supported by both the downhole and surface units. Additionally, downlink communication of remote control command data occurs over a different AC communication scheme. This design ensures that all communication between the surface and downhole environment is accomplished through the power cable, eliminating the need for additional communication lines. Notably, data communication is maintained even in the event of a ground fault on the power cable.
Another significant patent is the signaling method and apparatus, which utilizes frequency shift keyed digital signals to transmit instructions and reports between a surface station and a tool in a hydrocarbon well. This system employs three-phase cables and a star point for signal transmission and reception, ensuring efficient communication and power supply to downhole electronic equipment.
Career Highlights
Throughout his career, John Freer has worked with prominent companies such as Schlumberger Technology Corporation and Schlumberger Canada Limited. His experience in these organizations has contributed to his expertise in developing innovative solutions for the oil and gas industry.
Collaborations
Freer has collaborated with notable coworkers, including Mark McCorry and Alex Watt. Their combined efforts have furthered advancements in downhole technology and communication systems.
Conclusion
John Freer is a distinguished inventor whose work in downhole communication systems has made a lasting impact on the industry. His innovative patents and career achievements reflect his dedication to advancing technology in challenging environments.