Patent ID: 11859480
Assignee: CATERPILLAR INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 14:
15. A controller for a hydraulic fracturing system, the controller being configured to:
monitor, for two or more well heads of the hydraulic fracturing system, an operation or a state of one or more subsystems of the hydraulic fracturing system,
wherein the hydraulic fracturing system further comprises zipper valves, and
wherein the zipper valves include a first zipper valve and a second zipper valve; and

control fluid pressures at the two or more well heads for continuous pumping by opening the second zipper valve before closing the first zipper valve based on monitoring the operation or the state and based on one or more of:
minimizing fuel or power consumption,
minimizing emissions, or
maximizing an operational life of equipment of the hydraulic fracturing system.