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

Claim 0:
1. A gas-operated setting tool for use in oil wells comprising:
a mandrel having an upper portion and lower portion;
a barrel piston having a first end and a second end, and wherein the barrel piston extends over at least a portion of the mandrel when in an in-line configuration and releasably coupled in a relative position to the mandrel when in the in-line configuration by at least one shear screw;
wherein the mandrel has a first end on the upper portion and a second end on the lower portion;
wherein the upper portion of the mandrel proximate to the first end is formed with an exposed portion, wherein the exposed portion of the mandrel at the first end of the mandrel extends beyond the first end of the barrel piston, and wherein the exposed portion comprises a lead portion, an engagement portion, and a wrench-application portion;
wherein the lead portion is formed closer to the first end of the mandrel than to the engagement portion and the wrench-application portion;
wherein the engagement portion comprises an engagement coupler for mating with an another device and is closer to the first end of the mandrel than the 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;
wherein the wrench-application portion comprises a knurled portion; and
wherein a longitudinal length of the wrench-application portion in the range of 1.5 to 3.5 inches is exposed for application of a wrench when the another device is mated to the engagement coupler.