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1. US20180274319 - SAFETY SYSTEM FOR OVERRIDING HYDROCARBON CONTROL MODULE

Nota: O texto foi obtido por processos automáticos de reconhecimento ótico de caracteres.
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Claims

1. A workover safety system configured to override a workover control module arranged to actuate a component of a hydrocarbon production apparatus, particularly an apparatus comprising at least one of 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 a hydraulic output configured to deliver the received hydraulic fluid to the component,
the workover safety system comprising:
a trigger input configured to receive a trigger signal, and
at least one override valve in a series connection between at least one of:
the hydraulic input of the workover control module and the corresponding hydraulic fluid source of the workover control module, and
the hydraulic output of the workover control module and the component,
the safety system configured to close, particularly close a functional line and open a vent line, the at least one override valve upon receipt of the trigger signal to prevent the hydraulic fluid being delivered to the component.
2. The workover safety system of claim 1, wherein the workover safety system is separated from the workover control module with respect to software and hardware.
3. The workover safety system of any of claim 1, further comprising:
a safety accumulator configured to store and provide hydraulic fluid, 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, wherein upon receipt of the trigger signal, the at least one pressure valve is configured to open to provide the stored hydraulic fluid from the safety accumulator to the component, particularly to at least one of a disconnect valve disposed in a well control package and an annular bag valve disposed in a BOP.
4. The workover safety system of claim 1, wherein the at least one override valve comprises a first override valve configured to be disposed in a series connection between a first corresponding hydraulic fluid source and a first corresponding hydraulic input, a second override valve in series connection between a second corresponding hydraulic fluid source and a second corresponding hydraulic input, and a least a third override valve in series connection between the hydraulic output of the workover control module and the component.
5. The workover safety system of claim 1- 4, wherein the at least one override valve is configured to be disposed in a series connection between a topside control module valve a pilot valve coupled to a surface production wing valve, wherein upon receipt of the trigger signal, the at least one override valve is configured to be in a closed position thereby preventing a flow of hydraulic fluid to the pilot valve and the surface production wing valve.
6. The workover safety system of claim 1, wherein valves in the workover safety system comprise replicate valves comprising an A/B redundancy.
7. The workover safety system of claim 1, wherein the trigger signal comprises an analog voltage, particularly, a Direct Current, DC, particularly up to 48V, including up to 25V.
8. An apparatus comprising:
the workover safety system of claim 1, and
the workover control module.
9. A workover safety system configured for use with a workover control module, and configured to actuate a component of a hydrocarbon production apparatus, particularly an apparatus comprising at least one of 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.
10. The workover safety system of claim 9, wherein the workover safety system is separated from the workover control module with respect to software and hardware.
11. The workover safety system of claim 9, further comprising at least one override valve in a series connection between at least one of:
the hydraulic input of the workover control module and the corresponding hydraulic fluid source of the workover control module, and
a hydraulic output of the workover control module and the component,
wherein the safety system is configured to close, particularly close a functional line and open a vent line, the at least one override valve upon receipt of the trigger signal to prevent the hydraulic fluid received from the hydraulic fluid sources from being delivered to the component.
12. The workover safety system of claim 11, wherein the at least one override valve comprises a first override valve in series connection between a first corresponding hydraulic fluid source and a first corresponding hydraulic input, a second override valve in series connection between a second corresponding hydraulic fluid source and a second corresponding hydraulic input, and a least a third override valve in series connection between the hydraulic output of the workover control module and the component.
13. The workover safety system of claim 11, wherein the at least one override valve is in a series connection between a topside control module valve a pilot valve coupled to a surface production wing valve, wherein upon receipt of the trigger signal, the at least one override valve is configured to be in a closed position thereby preventing a flow of hydraulic fluid to the pilot valve and the surface production wing valve.
14. The workover safety system of claim 9, wherein valves in the workover safety system comprise replicate valves having an A/B redundancy.
15. The workover safety system of claim 9, wherein the trigger signal comprises an analog voltage, particularly, a Direct Current, DC, particularly up to 48V, including up to 25V.
16. A power management system comprising:
a trigger input;
a logic device comprising a processor, memory, and instructions stored in the memory and executable by the processor, the logic device coupled to the trigger input, the logic device configured to be coupled to:
an umbilical including a power line, particularly an umbilical having a length greater than 300 meters, particularly greater than 1000 meters; and
at least one valve connected to the power line, particularly at least one of an override valve and an accumulator valve;
a power supply coupled to the logic device, particularly a DC power supply, particularly configured to deliver at least 30 volts, particularly up to about 500 volts, particularly a discrete power supply or a power supply integrated with the logic, the power supply configured to actuate the valve via the power line when connected to the valve; and
a switch, particularly a relay, coupled to the logic device and power supply, the switch operable by the logic device to switch between:
a monitoring condition, in which the power supply is not connected to the valve, and
an override condition, in which the power supply is connected to the valve;
the logic device configured to perform a method comprising:
measuring a parameter characterizing an electrical circuit including the power line and valve;
calculating a topside voltage expected to result in a desired voltage at the valve when delivered via the umbilical, the desired voltage sufficient to actuate the valve; and
transmitting the calculated topside voltage to the power supply.
17. The power management system of claim 16, wherein measuring comprises:
applying a non-actuating voltage to the power line;
measuring a current resulting from the applied voltage;
normalizing the measured current to a resistance of the valve, particularly subtracting a resistance of the valve; and
calculating a resistance of the umbilical using the normalized current.
18. The power management system of claim 16,
wherein the logic device is further configured to:
receive a trigger signal via the trigger input; and
operate the switch to change from the monitoring condition to the override condition to actuate the valve using the power supply.
19. 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.
20. The safety system of claim 19, wherein the safety system is separated from the control module with respect to software and hardware.
21. The safety system of claim 19, 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.
22. The safety system of claim 19, wherein the at least one override gate comprises a first override gate in series connection with a first corresponding power source, a second override gate in series connection with a second corresponding power source, and a least a third override gate in series connection between the energy output of the workover control module and the component.
23. The safety system of claim 19, further comprising at least one topside override gate in a series connection with a pilot gate and a surface production wing gate, particularly a surface production wing valve, wherein upon receipt of the trigger signal, the at least one topside override gate is configured to be in a closed position thereby preventing a power flow from being provided to the pilot gate and the surface production wing gate.
24. The safety system of claim 19, wherein gates in the workover safety system comprise replicate gates in an A/B redundancy.
25. The safety system of claim 19, wherein the trigger signal comprises an analog voltage, particularly, a Direct Current, DC, particularly up to 48V, including up to 25V.
26. The workover safety system of claim 1, further comprising:
a power management system comprising:
a trigger input;
a logic device comprising a processor, memory, and instructions stored in the memory and executable by the processor, the logic device coupled to the trigger input, the logic device configured to be coupled to:
an umbilical including a power line, particularly an umbilical having a length greater than 300 meters, particularly greater than 1000 meters; and
at least one valve connected to the power line, particularly at least one of an override valve and an accumulator valve;
a power supply coupled to the logic device, particularly a DC power supply, particularly configured to deliver at least 30 volts, particularly up to about 500 volts, particularly a discrete power supply or a power supply integrated with the logic, the power supply configured to actuate the valve via the power line when connected to the valve; and
a switch, particularly a relay, coupled to the logic device and power supply, the switch operable by the logic device to switch between:
a monitoring condition, in which the power supply is not connected to the valve, and
an override condition, in which the power supply is connected to the valve;
the logic device configured to perform a method comprising:
measuring a parameter characterizing an electrical circuit including the power line and valve;
calculating a topside voltage expected to result in a desired voltage at the valve when delivered via the umbilical, the desired voltage sufficient to actuate the valve; and
transmitting the calculated topside voltage to the power supply.
27. The safety system of claim 19, further comprising the control module coupled to the safety system.
28. 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 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.
29. The safety system of claim 28, wherein the workover safety system is separated from the workover control module with respect to software and hardware.
30. The safety system of claim 28, further comprising at least one override gate in a series connection between at least one of:
the energy input and the corresponding energy source of the control module, and
an energy output of the control module and the component,
wherein the safety system configured to close the at least one override gate upon receipt of the trigger signal to prevent the power flow being delivered to the component.
31. The safety system of claim 30, wherein the at least one override gate comprises a first override gate in series connection with a first corresponding power source, a second override gate in series connection with a second corresponding power source, and a least a third override gate in series connection between the energy output of the workover control module and the component.
32. The safety system of claim 28, further comprising at least one topside override gate in a series connection with a pilot gate and a surface production wing gate, particularly a surface production wing valve, wherein upon receipt of the trigger signal, the at least one topside override gate is configured to be in a closed position thereby preventing a power flow from being provided to the pilot gate and the surface production wing gate.
33. The safety system of claim 28, wherein gate in the safety system comprise replicate gates in an A/B redundancy.
34. The safety system of claim 28, wherein the trigger signal comprises an analog voltage, particularly, a Direct Current, DC, particularly up to 48V, including up to 25V.
35. The safety system of claim 28, further comprising:
a power management system comprising:
a trigger input;
a logic device comprising a processor, memory, and instructions stored in the memory and executable by the processor, the logic device coupled to the trigger input, the logic device configured to be coupled to:
an umbilical including a power line, particularly an umbilical having a length greater than 300 meters, particularly greater than 1000 meters; and
at least one valve connected to the power line, particularly at least one of an override valve and an accumulator valve;
a power supply coupled to the logic device, particularly a DC power supply, particularly configured to deliver at least 30 volts, particularly up to about 500 volts, particularly a discrete power supply or a power supply integrated with the logic, the power supply configured to actuate the valve via the power line when connected to the valve; and
a switch, particularly a relay, coupled to the logic device and power supply, the switch operable by the logic device to switch between:
a monitoring condition, in which the power supply is not connected to the valve, and
an override condition, in which the power supply is connected to the valve;
the logic device configured to perform a method comprising:
measuring a parameter characterizing an electrical circuit including the power line and valve;
calculating a topside voltage expected to result in a desired voltage at the valve when delivered via the umbilical, the desired voltage sufficient to actuate the valve; and
transmitting the calculated topside voltage to the power supply.
36. The safety system of claim 28, further comprising the control module coupled to the safety system.
37. An apparatus comprising:
the workover safety system of claim 9, and
the workover control module.
38. The workover safety system of claim 9, further comprising:
a power management system comprising:
a trigger input;
a logic device comprising a processor, memory, and instructions stored in the memory and executable by the processor, the logic device coupled to the trigger input, the logic device configured to be coupled to:
an umbilical including a power line, particularly an umbilical having a length greater than 300 meters, particularly greater than 1000 meters; and
at least one valve connected to the power line, particularly at least one of an override valve and an accumulator valve;
a power supply coupled to the logic device, particularly a DC power supply, particularly configured to deliver at least 30 volts, particularly up to about 500 volts, particularly a discrete power supply or a power supply integrated with the logic, the power supply configured to actuate the valve via the power line when connected to the valve; and
a switch, particularly a relay, coupled to the logic device and power supply, the switch operable by the logic device to switch between:
a monitoring condition, in which the power supply is not connected to the valve, and
an override condition, in which the power supply is connected to the valve;
the logic device configured to perform a method comprising:
measuring a parameter characterizing an electrical circuit including the power line and valve;
calculating a topside voltage expected to result in a desired voltage at the valve when delivered via the umbilical, the desired voltage sufficient to actuate the valve; and
transmitting the calculated topside voltage to the power supply.