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US 10,246,972 B2Granted
In-riser power generation
AssigneeSchlumberger Technology Corporation
InventorsKirk W. Flight, Matthew Niemeyer, Ronald James Spencer, John Yarnold, Jeffrey Marabella, Gary Rytlewski
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Abstract
In-riser power generation devices and methods are utilized to generate power subsea to operate subsea devices of a subsea well system. A turbine power generator is located in fluid communication with a subsea fluid flow path of a subsea well system and the turbine power generator is operationally connected to a subsea power device.
Claims6
A method of generating power in a subsea well system, comprising:
- closing at least a pair of rams of a blowout preventer stack to form a sealed annular region between the pair of rams;
- positioning at least one turbine power generator above the sealed annular region;
- connecting the sealed annular region to the at least one turbine power generator by a conduit across the closed pair of rams;
- directing fluid into the sealed annular region and across the at least one turbine power generator;
- and
- generating power in response to the fluid flow across the turbine power generator.
3 more elements
Dependencies are inferred from the claim text.