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US 12,674,372 B2Granted
Autonomous valve system
AssigneeSchlumberger Technology Corporation
InventorsHugues Trifol, Damien Chazal
Life of this patent
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Abstract
A control system can include a controller that includes an interface for receipt of sensor data generated by sensors operatively coupled to a fluid flow system; memory that includes sets of tuning parameter values; and a loader that loads a selected set of the sets of tuning parameter values into the controller for issuance of control signals to a choke valve actuator for a choke valve of the fluid flow system according to the selected set of tuning parameter values and sensor data generated by one or more of the sensors.
Claims17
A control system comprising:
- a controller that comprises an interface for receipt of sensor data generated by sensors operatively coupled to a fluid flow system, the controller configured to receive a selection signal that corresponds to an operating mode of the fluid flow system;
- memory that comprises sets of tuning parameter values, wherein the sets of tuning parameter values include (i) a first set of tuning parameter values associated with tuning the controller to issue control signals to a choke valve actuator based on sensor data generated by an upstream pressure sensor disposed between a flow head of a well and a choke valve, the first set of tuning parameter values corresponding to an upstream pressure regulation operating mode and (ii) a second set of tuning parameter values associated with tuning the controller to issue control signals to the choke valve actuator based on sensor data generated by a downstream pressure sensor disposed downstream from the choke valve, the second set of tuning parameter values corresponding to a downstream pressure regulation operating mode;
- and
- a loader configured to:
- in response to the selection signal indicating a selection of the upstream pressure regulation operating mode:
- load the first set of tuning parameter values into the controller for issuance of control signals to the choke valve actuator for the choke valve of the fluid flow system according to the first set of tuning parameter values and sensor data generated by the upstream pressure sensor, and
- configure the interface to receive sensor data from the upstream pressure sensor;
- and
- in response to the selection signal indicating a selection of the downstream pressure regulation operating mode:
- load the second set of tuning parameter values into the controller for issuance of control signals to the choke valve actuator for the choke valve of the fluid flow system according to the second set of tuning parameter values and sensor data generated by the downstream pressure sensor, and
- configure the interface to receive sensor data from the downstream pressure sensor.
8 more elements
A method comprising:
- responsive to a selection signal that corresponds to an operating mode of a fluid flow system, selecting a set of tuning parameter values from a group that comprises (i) a first set of tuning parameter values associated with regulating pressure upstream from a choke valve based on sensor data generated by an upstream pressure sensor, (ii) a second set of tuning parameter values associated with regulating pressure downstream from the choke valve based on sensor data generated by a downstream pressure sensor, and (iii) a third set of tuning parameter values associated with regulating downhole pressure based on sensor data generated by a downhole pressure gauge;
- loading the selected set of tuning parameters into a controller;
- configuring an interface of the controller to receive sensor data from a sensor that corresponds to the selected set of tuning parameters;
- and
- issuing, by the controller, control signals according to the selected set of tuning parameter values and corresponding sensor data to a choke valve actuator for the choke valve.
2 more elements
One or more computer-readable media comprising processor-executable instructions executable to instruct a control system to:
- responsive to a selection signal that corresponds to an operating mode of a fluid flow system, select a set of tuning parameter values from a group that comprises (i) a first set of tuning parameter values associated with regulating pressure upstream from a choke valve based on sensor data generated by an upstream pressure sensor, (ii) a second set of tuning parameter values associated with regulating pressure downstream from the choke valve based on sensor data generated by a downstream pressure sensor, and (iii) a third set of tuning parameter values associated with regulating downhole pressure based on sensor data generated by a downhole pressure gauge;
- load the selected set of tuning parameters into a controller;
- configure an interface of the controller to receive sensor data from a sensor that corresponds to the selected set of tuning parameters;
- and
- issue, by the controller, control signals according to the selected set of tuning parameter values and corresponding sensor data to a choke valve actuator for the choke valve.
2 more elements
Dependencies are inferred from the claim text.