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US 8,865,309 B2Granted
Releasable corrosion inhibitors
AssigneeNational Oilwell Varco, L.P.
InventorsDeepthi R. Setlur, Stefan M. Butuc
Life of this patent
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Abstract
The present invention includes compositions and methods of supplying a corrosion inhibitor including placing a corrosion inhibitor attached to a nanostructure carrier, placing the nanostructure carrier containing the corrosion inhibitor at a location and the nanostructure carrier is capable of releasing the corrosion inhibitor.
Claims29
A corrosion inhibiting device comprising:
- a carrier comprising a nanostructure, the carrier configured for at least partial embedment in a surface of a tool;
- and
- a corrosion inhibitor impregnated in the carrier,
- wherein the corrosion inhibitor is configured to be released into the environment adjacent the surface of the tool.
1 more element
A corrosion control device comprising:
- a tool having an elastomeric component;
- a carrier comprising a nanostructure disposed within the elastomeric component;
- and
- a corrosion inhibitor impregnated in the carrier,
- wherein the corrosion inhibitor is configured to be released from the carrier into the environment adjacent a surface of the tool during operation.
2 more elements
Dependencies are inferred from the claim text.