CPC E21B 43/121 (2013.01) [F04B 47/12 (2013.01)] | 13 Claims |
1. A downhole tool, comprising:
a body having a rounded or cylindrical surface, at least one relieved space in the rounded or cylindrical surface, and a protuberance within the at least one relieved space;
a retaining device;
one or more crimples, each crimple including a portion of the material of the retaining device that extends inward into a corresponding portion of the relieved space of the body and which deforms the protuberance within the corresponding portion of the relieved space.
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7. A method for securing a first body to a second body, comprising:
inserting at least a portion of the first body into the second body, wherein the first body has a rounded or cylindrical surface, a relieved space in the rounded or cylindrical surface, and a protuberance within the relieved space; and
deforming a portion of the second body such that material of the second body extends inwardly into an underlying portion of the relieved space of the first body and such that the inwardly extending material of the second body deforms an underlying portion of the protuberance on the first body to affix the first body to the second body.
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