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US 8,403,037 B2Granted
Dissolvable tool and method
AssigneeBaker Hughes Incorporated
InventorsGaurav Agrawal, Zhiyue Xu
Life of this patent
Estimating the term…
Abstract
A method of dissolving a tool includes exposing an outer surface of the tool to an environment reactive with the tool, reacting the tool with the environment, and applying stress to the tool. The method also includes concentrating stress on the tool at stress risers in the outer surface, and initiating fracturing the tool at the stress risers.
Claims12
A method of dissolving a tool comprising:
- exposing an outer surface of the tool to an environment reactive with the tool;
- chemically reacting the tool with the environment;
- applying mechanical stress to the tool;
- concentrating stress on the tool at stress risers in the outer surface;
- accelerating structural degradation of the tool through chemical reactions at the stress risers;
- and
- initiating fracturing the tool at the stress risers.
4 more elements
Dependencies are inferred from the claim text.