| CPC E21B 17/042 (2013.01) [E21B 43/088 (2013.01); E21B 47/09 (2013.01)] | 4 Claims |

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1. A ring for a downhole tool comprising:
a ring body;
a weld groove formed in a circumferential direction in an outside surface of the ring prior to being disposed upon the tool.
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