Downhole power supply device
AssigneeWelltec Oilfield Solutions AG
InventorCarsten Nesgaard
Life of this patent
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Abstract
The present invention relates to a downhole power supply device for supplying power in situ to a power consuming device arranged in a well, comprising a fuel cell producing electricity and water and having a fuel inlet, an oxidising inlet, an electric output and a water outlet, a fuel container fluidly connected to the fuel inlet, and an oxidising agent container fluidly connected to the oxidising inlet, wherein the fuel cell has an internal pressure which is at least 1.0 bar for increasing a boiling temperature of the water produced in the fuel cell. Furthermore, the present invention relates to a downhole system.
Claims20
A downhole power supply device for supplying power in situ to a power consuming device arranged in a well, comprising:
- a fuel cell producing electricity and water and having a fuel inlet, an oxidising inlet, an electric output and a water outlet,
- a fuel container fluidly connected to the fuel inlet, and
- an oxidising agent container fluidly connected to the oxidising inlet,
- wherein the fuel cell has an internal pressure which is at least 1.0 bar for increasing a boiling temperature of the water produced in the fuel cell,
- wherein the water outlet is fluidly connected to a water collecting container via a wick that is configured to suck the water from the fuel cell into the water collecting container, wherein the wick is configured to allow the fuel cell to be rotationally independent.
Dependencies are inferred from the claim text.