Back to results
US 12,305,505 B1Granted
Underwater tools with sacrificial battery
AssigneeSaudi Arabian Oil Company
InventorHuseyin Rahmi Seren
Life of this patent
Estimating the term…
Abstract
An untethered device includes a tool including circuitry, a ballast weight mechanically attached to the tool, and including a dissolvable ballast, and a sacrificial battery including a first electrode provided by the dissolvable ballast and an electrolytic solution provided by a fluid surrounding the untethered device. The sacrificial battery powers the circuitry.
Claims20
An untethered device comprising:
- a tool comprising circuitry;
- a ballast weight mechanically attached to the tool, and comprising a dissolvable ballast;
- and
- a sacrificial battery comprising a first electrode provided by the dissolvable ballast and an electrolytic solution provided by a fluid surrounding the untethered device,
- wherein the sacrificial battery powers the circuitry.
2 more elements
A method for recovering an untethered device, the method comprising:
- receiving, inside a tool of the untethered device, fluid leaking into the tool;
- exposing an electrode inside the tool to the fluid to form a sacrificial battery comprising the electrode inside the tool, an electrode on a ballast weight of the untethered device, and the fluid;
- powering a ballast release circuit by the sacrificial battery;
- and
- activating, by the ballast release circuit, a ballast release actuator to release the ballast weight.
2 more elements
Dependencies are inferred from the claim text.