| CPC E21B 43/10 (2013.01) [E21B 23/0413 (2020.05); E21B 23/06 (2013.01); E21B 47/06 (2013.01); E21B 47/18 (2013.01); E21B 2200/08 (2020.05)] | 15 Claims |

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1. A downhole tool with an anti-preset feature comprising:
a tool body including a liner hanger body, and a setter configured to move relative to the liner hanger body;
a space defined radially outwardly by the liner hanger body;
an anti-preset member anchoring the setter to the liner hanger body, the member having a portion thereof disposed on an outside surface of the liner hanger body and a portion thereof extending through the liner hanger body to the space;
a releaser disposed in or making up an entirety of the anti-present member;
a signal propagator disposed in the space in very near thermal but not physical contact with the releaser, the releaser configured to lose structural integrity through heat or chemical degradation upon receipt of a signal from the signal propagator to defeat the anti-preset member.
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