Patent ID: 11899438
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. A method comprising:
operating a first piece of well equipment to perform a first physical task during a well operation at a wellsite;
operating a second piece of well equipment to perform a second physical task during the well operation at the wellsite;
operating a distributed control system that includes a first control unit coupled to the first piece of well equipment and a second control unit coupled to the second piece of well equipment, wherein the first control unit includes a first control module configured to automatically control the first physical task and a second control module configured to automatically control the second physical task; and
detecting, by the distributed control system, a failure of the second control unit and automatically initiating a failover process in which the first control unit takes over control of the second physical task, the failover process involving enabling the second control module on the first control unit, wherein the distributed control system is configured to detect a resumption of the second control unit and automatically initiate a handover process in which the second control unit resumes partial control of the second physical task, wherein a remainder of the control over the second physical task remains with the first control unit.