Patent ID: 11952849
Assignee: DBK INDUSTRIES, LLC
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 12:
13. A setting tool for use in wells comprising:
a mandrel having a first end and a second end, wherein the mandrel is formed with an interior combustion chamber;
a barrel piston sized and configured to extend at least partially over an exterior of the mandrel;
a shear device coupled to a portion of the mandrel and coupled to the barrel piston when in an in-line configuration;
wherein the mandrel comprises an upper portion having a first end and a lower portion having a second end;
wherein the upper portion of the mandrel proximate to the first end comprises: a lead portion, an engagement thread portion, and a wrench-application portion, wherein a shoulder is formed on the mandrel between the engagement portion and the wrench-application portion and the diameter of the wrench application portion is larger than the diameter of the engagement portion; and
wherein a longitudinal length of the wrench-application portion in the range of 1.5 to 3.0 inches is exposed for application of a wrench when an another device is mated to the engagement coupler.