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Method for energy capture from recirculation path in subsea flowline booster system

IP.com Disclosure Number: IPCOM000243834D
Publication Date: 2015-Oct-19
Document File: 1 page(s) / 14K

Publishing Venue

The IP.com Prior Art Database

Abstract

Inclusion of equipment within the recirculation path of a flowline subsea boosting system to allow capturing of energy from the high pressure recirculating flow This energy could be captured and transmitted mechanically or electrically to operate peripheral equipment for example a chemical injection pump The energy could also be stored as electrical energy within a battery or similar to power the peripheral equipment but also allow monitoring and or control of subsea equipment such as chokes valves pressure temperature sensors or levelsensors Control and monitoring signals could be exchanged with a sonar based floating transceiver which are already available in the market The invention is for a system for energy capture from the recirculation liquid path with a subsea flowline booster system The invention involves any method to capture energy from the flow and pressure of the fluid inside the recirculation path and transmit this mechanically or vertically to perform another useful purpose within the subsea flowline booster or other subsea equipment The invention also includes the capture of the energy and subsequent storage of the energy using a battery or similar to allow high power mechanical or electrical activities to be performed or monitoring to be performed The battery will allow monitoring and actuation for some time even if the ESP and recirculation path is not energized The actuation or monitoring activities could be triggered remotely for example using sonar signalsfrom a floating buoy at surface with solar power and wireless communication systems such as satellite transmission

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Method for energy capture from recirculation path in subsea flowline booster system

Inclusion of equipment within the recirculation path of a flowline subsea boosting system to allow capturing of energy from the high pressure recirculating flow. This energy could be captured and transmitted mechanically or electrically to operate peripheral equipment, for example a chemical injection pump. The energy could also be stored as electrical energy within a battery or similar to power the peripheral equipment but also allow monitoring and/or control of subsea equipment, such as chokes, valves, pressure/temperature sensors or level

sensors. Control and monitoring signals could be exchanged with a sonar based floating transceiver which are already available in the market. The invention is for a system for energy capture from the recirculation liquid path with a subsea flowline booster system. The invention involves any method to capture energy from the flow and pressure of the fluid inside the recirculation path and transmit this mechanically or vertically to perform another useful purpose within the subsea flowline booster or other subsea equipment. The invention also includes the capture of the energy and subsequent storage of the energy using a battery or similar to allow high power mechanical or electrical activities to be performed or monitoring to be performed. The battery will allow monitoring and actuation for some time even if the ESP and recirculation path is not energized....