Safety system for overriding hydrocarbon control module

A workover safety system configured for use with a workover control module, and configured to actuate a component of an apparatus for a hydrocarbon-comprising well, particularly an apparatus comprising a lower riser package and an emergency disconnect package;

• the workover control module configured to regulate hydraulic fluid to the component, the workover control module comprising:
• a hydraulic input configured to receive the hydraulic fluid from a corresponding hydraulic fluid source and at least one hydraulic output configured to deliver the received hydraulic fluid to the component,
• the workover safety system comprising:
• a safety accumulator configured to store and provide hydraulic fluid,
• a trigger input configured to receive a trigger signal, and
• at least one pressure valve configured to receive the stored hydraulic fluid from the safety accumulator and deliver the stored hydraulic fluid to the component;
• the safety system configured to open the at least one pressure valve upon receipt of the trigger signal to deliver the stored hydraulic fluid from the safety accumulator to the component.

A workover safety system configured to be coupled to a hydrocarbon processing arrangement to bring at least a part of the arrangement to a safe state, the arrangement comprising a control module, particularly at least one of a Workover Control Module (“WOCM”), a Subsea Electronics Module (“SEM”), Subsea Control Module (“SCM”) and a Riser Control Module (“RCM”),

• the control module configured to actuate a component of the arrangement, particularly a component comprising at least one of
• a topside production facility, a Lower Riser Package (“LRP”), an Emergency Disconnect Package (“EDP”), a Blowout Preventer (“BOP”), a Riser Package (“RP”), a Drilling Package (“DP”), a Master Control Unit (“MCU”), and a Hydraulic Power Unit (“HPU”), a Christmas tree, particularly a surface tree, particularly a subsea tree, particularly a Christmas tree having an electrically actuated valve, a manifold, a coiled tubing frame, and a wireline frame,
• the control module comprising:
• an energy input, particularly at least one of an electrical input, pneumatic input, and a hydraulic input, the energy input configured to receive a power flow from a corresponding power source sufficient to actuate the component, particularly an electric actuator, particularly at least one of a screw drive and a solenoid, particularly a hydraulic actuator, particularly to a pneumatic actuator;
• and
• an energy output, particularly at least one of a hydraulic output, pneumatic output, and an electrical output, configured to deliver the power flow, regulated via the control module, to the component;
• the safety system comprising:
• a control input configured to receive a trigger signal;
• and
• at least one override gate, particularly at least one of a valve and a switch, particularly a relay, in a series connection between at least one of:
• the energy input of the control module and the corresponding power source;
• and
• the energy output of the control module and the component;
• the safety system configured to close the at least one override gate upon receipt of the trigger signal to prevent the power flow from being delivered to the component.

A safety system configured to be coupled to a hydrocarbon processing arrangement to bring at least a part of the arrangement to a safe state, the arrangement comprising a control module, particularly at least one of a Workover Control Module (“WOCM”), a Subsea Electronics Module (“SEM”), Subsea Control Module (“SCM”) and a Riser Control Module (“RCM”),

• the control module configured to actuate a component of the arrangement, particularly a component comprising at least one of
• a topside production facility, a Lower Riser Package (“LRP”), an Emergency Disconnect Package (“EDP”), a Blowout Preventer (“BOP”), a Riser Package (“RP”), a Drilling Package (“DP”), a Master Control Unit (“MCU”), and a Hydraulic Power Unit (“HPU”), a Christmas tree, particularly a surface tree, particularly a subsea tree, particularly a Christmas tree having an electrically actuated valve, a manifold, a coiled tubing frame, and a wireline frame,
• the control module comprising:
• an energy input, particularly at least one of an electrical input, pneumatic input, and a hydraulic input, the energy input configured to receive a power flow from a corresponding power source sufficient to actuate the component, particularly an electric actuator, particularly at least one of a screw drive and a solenoid, particularly a hydraulic actuator, particularly to a pneumatic actuator;
• and
• an energy output, particularly at least one of a hydraulic output, pneumatic output, and an electrical output, configured to deliver the power flow, regulated via the control module, to the component;
• the safety system comprising:
• a control input configured to receive a trigger signal;
• and
• at least one override gate, particularly at least one of a valve and a switch, particularly a relay, in a series connection between at least one of:
• the energy input of the control module and the corresponding power source;
• and
• the energy output of the control module and the component;
• the safety system configured to close the at least one override gate upon receipt of the trigger signal to prevent the power flow from being delivered to the component, and
• the safety system further comprising at least one pressure gate in a parallel connection with an energy output configured to provide a pressure to at least one gate, in particular a valve or relay, of the component, the at least one pressure gate configured to receive a power flow from at least one other power source, wherein upon receipt of the trigger signal, the at least one pressure gate is configured to be in an open position and provide said power flow to the at least one gate disposed in an Emergency Disconnect Package (“EDP”), a valve in a Riser Control Module (“RCM”), and/or an annular bag disposed within a Blowout Preventer (“BOP”), to provide a hydraulic pressure, independently of the control module, to the EDP and/or BOP, respectively.

A workover safety system configured to be coupled to a hydrocarbon processing arrangement to bring at least a part of the arrangement to a safe state, the arrangement comprising a control module, particularly at least one of a Workover Control Module (“WOCM”), a Subsea Electronics Module (“SEM”), Subsea Control Module (“SCM”) and an Riser Control Module (“RCM”),

• the control module configured to actuate a component of the arrangement, particularly a component comprising at least one of a topside production facility, a Lower Riser Package (“LRP”), an Emergency Disconnect Package (“EDP”), a Blowout Preventer (“BOP”), a Riser Package (“RP”), a Drilling Package (“DP”), a Master Control Unit (“MCU”), and a Hydraulic Power Unit (“HPU”), a Christmas tree, particularly a surface tree, particularly a subsea tree, particularly a Christmas tree having an electrically actuated valve, a manifold, a coiled tubing frame, and a wireline frame
• the control module comprising:
• an energy input, particularly at least one of an electrical input, a pneumatic input, and a hydraulic input, the energy input configured to receive a power flow from a corresponding power source sufficient to actuate the component, particularly an electric actuator, particularly at least one of a screw drive and a solenoid, particularly a hydraulic actuator, a pneumatic actuator;
• and
• an energy output, particularly at least one of a hydraulic output and an electrical output, configured to deliver the power flow, regulated via the control module, to the component;
• the safety system comprising:
• a control input configured to receive a trigger signal;
• a safety accumulator, particularly at least one of a hydraulic accumulator, a battery, a capacitor, a flywheel, and a UPS, configured to store energy, and
• at least one accumulator gate, particularly at least one of a valve and a relay, configured to be disposed in a parallel connection with at least one of:
• the energy input of the control module and the corresponding power source;
• and
• the energy output of the control module and the component;
• the safety system configured to open the at least one accumulator gate upon receipt of the trigger signal to deliver the stored energy to the component.