CPC E21B 33/1292 (2013.01) [E21B 33/129 (2013.01); B25J 9/16 (2013.01); B33Y 80/00 (2014.12)] | 10 Claims |
1. A subsurface tool adapted to extend within a wellbore, comprising:
an integrally formed single-component body that defines an external surface; and
an internal chamber fully isolated within a wall thickness of the single-component body and isolated from the external surface;
wherein, when the tool is subjected to one or more stresses, a stress concentration is created within a stress zone of the single-component body, the stress zone being adjacent the internal chamber.
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