Patent ID: 9121240
Filing Date: 2015-09-01
Classification: E21B

Abstract:
1. A setting tool for use in a well bore casing, comprising: an upper portion having a mandrel and configured to receive an input, so as to induce relative motion of the mandrel within the casing; a lower portion having a first sleeve configured to translate along an axis of the setting tool, the lower portion coupled to the upper portion; a power sleeve extending into the upper and lower portions, the power sleeve being threadedly connected to the mandrel; and a wrap spring extending about the mandrel and into an aperture in the power sleeve, the wrap spring being configured to accept a torsional preload to secure the first sleeve to the upper portion by preventing the power sleeve from rotating relative to the mandrel, the wrap spring being configured to selectively release the first sleeve from the upper portion upon reception of the input.