Autonomous drilling pressure control system
AssigneeAds Services, LLC
InventorsCharles Robert Orbell, Christian Leuchtenberg
Life of this patent
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Abstract
An autonomous drilling pressure control system for use with a drilling rig includes a pressure control device for controlling pressure within an annulus of an associated well, an electronic pressure sensor for monitoring pressure within the annulus, and an electronic position indicator for indicating a position of the pressure control device. A control subsystem independent of the drilling rig and responsive to the pressure sensor is provided for manipulating the pressure control device to control the pressure within the annulus of the associated well. At least one dedicated power source independent of the drilling rig supplies power to the pressure sensor and position indicator.
Claims18
An autonomous drilling pressure control system for use with a drilling rig, comprising:
- a pressure control device for controlling pressure within an annulus of an associated well;
- an electronic pressure sensor for monitoring pressure within the annulus;
- an electronic position indicator for indicating a position of the pressure control device;
- a control subsystem independent of the drilling rig and responsive to the pressure sensor for manipulating the pressure control device to control the pressure within the annulus of the associated well;
- and
- at least one dedicated power source independent of the drilling rig for supplying power to the pressure sensor and position indicator;
- and
- a remote control module disposed remotely from the control subsystem and including a processor and first wireless gateway;
- wherein the pressure control device comprises a pressure control valve;
- wherein the control subsystem comprises:
- an actuator for operating the pressure control valve;
- and
- an electro-pneumatic positioner for controlling air supplied to the actuator for operation of the pressure control valve;
- and
- wherein the dedicated power source comprises:
- an electrical power supply that is independent of the drilling rig for supplying electrical power to the electro-pneumatic positioner;
- a pneumatic power supply that is independent of the drilling rig for supplying air to the electro-pneumatic positioner;
- and
- wherein the electrical power supply and the pneumatic power supply are powered by a common electrical battery that is independent of the drilling rig;
- and
- wherein the dedicated power source provides no control signals to the control subsystem for operation of the pressure control valve;
- and
- wherein the remote control module is adapted to receive, using the first wireless gateway, pressure data from a second wireless gateway operably connected to the electronic pressure sensor.
An autonomous drilling pressure control system for use with a drilling rig, comprising:
- a pressure control device for controlling pressure within an annulus of an associated well;
- an electronic pressure sensor for monitoring pressure within the annulus;
- an electronic position indicator for indicating a position of the pressure control device;
- a control subsystem independent of the drilling rig and responsive to the pressure sensor for manipulating the pressure control device to control the pressure within the annulus of the associated well;
- and
- at least one dedicated power source independent of the drilling rig for supplying power to the pressure sensor and position indicator;
- and
- wherein the pressure control device is an eccentric rotary plug valve operated with an electro-pneumatic valve positioner and the control subsystem provides power generated by the dedicated power source to an eccentric rotary plug valve actuator.
Dependencies are inferred from the claim text.