Patents Assigned to Expro North Sea Ltd.
  • In-well monitoring and flow control system
    Patent number: 6877557
    Abstract: An in-well monitoring and flow control system with an improved power supply. A separate high voltage (18) and low voltage power supply (23) is provided together with a cable (14) which has at least two separate cores; one core (24) for high voltage power and the other core (26) for low voltage power and control monitoring communications.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: April 12, 2005
    Assignee: Expro North Sea Ltd.
    Inventors: Andrew Richards, William George Nigel Parkinson Webster