ORKA SUBSEA PIGGING AND HYDROTESTING UNIT
First Claim
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1. A subsea pipeline apparatus, comprising:
- a multifunction unit, comprising;
a boost pump,an electric motor generator, anda gearbox operably coupled to the boost pump and the electric motor generator;
an inlet configured to direct fluid toward the multifunction unit;
an energy storage unit connected to the multifunction unit;
an outlet configured to receive fluid from the multifunction unit.
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Abstract
A subsea pipeline apparatus is disclosed, including a multifunction unit, an inlet to direct fluid toward the multifunction unit, and energy storage unit connected to the multifunction unit, and an outlet configured to receive fluid passed through the multifunction unit. The multifuntion unit may operate in at least two modes: a generator mode, allowing the generation of energy from the flow of fluid, and a motor mode, allowing the fluid to be forced to the outlet and into the subsea pipeline.
8 Citations
20 Claims
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1. A subsea pipeline apparatus, comprising:
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a multifunction unit, comprising; a boost pump, an electric motor generator, and a gearbox operably coupled to the boost pump and the electric motor generator; an inlet configured to direct fluid toward the multifunction unit; an energy storage unit connected to the multifunction unit; an outlet configured to receive fluid from the multifunction unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of flooding a subsea pipeline, comprising:
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providing a multifunction unit, comprising; a boost pump, an electric motor generator, and a gearbox operably coupled to the boost pump and the electric motor generator; opening a pipeline isolation valve; directing fluid through an inlet toward the multifunction unit; receiving fluid the multifunction unit; generating energy from the flow of fluid through the multifunction unit. - View Dependent Claims (12, 13, 14, 15, 17, 18, 19, 20)
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16. A subsea pipeline apparatus, comprising:
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a multifunction unit, comprising; a boost pump, an electric motor generator, and a gearbox operably coupled to the boost pump and the electric motor generator; an inlet configured to direct fluid toward the multifunction unit; an energy storage unit connected to the multifunction unit, wherein the energy storage unit is configured to receive energy generated by the multifunction unit and direct energy to the multifunction unit; an outlet configured to receive fluid from the multifunction unit.
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Specification