Constant environment subsea control system
The method of providing a pressurized control fluid for the operation of subsea equipment of providing an accumulator with control fluid pressurized by compressed gas, supplying the control fluid to a control valve for the purpose of operating a function, receiving a return flow of the control fluid...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The method of providing a pressurized control fluid for the operation of subsea equipment of providing an accumulator with control fluid pressurized by compressed gas, supplying the control fluid to a control valve for the purpose of operating a function, receiving a return flow of the control fluid from the function to a control valve, directing the return flow of the control fluid to a low pressure chamber whose pressure is substantially unaffected by the subsea environmental pressure, and maintaining the low pressure level in the low pressure chamber. |
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