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US 11,952,849 B2Granted
Downhole setting tool
AssigneeDBK Industries, LLC
InventorBrian Michael Gleason
Life of this patent
Estimating the term…
Abstract
A setting tool for use in wells includes a mandrel formed with an interior combustion chamber. The setting tool further includes a barrel piston sized and configured to extend at least partially over an exterior of the mandrel and a shear device coupled to a portion of the mandrel and coupled to the barrel piston when in an in-line configuration. The mandrel includes an upper portion having a lead portion, an engagement portion, and a wrench-application portion. The wrench-application portion has a longitudinal length in the range of 1.5 to 3.0 to receive a wrench and avoid damage to the shear device. Other tools are disclosed.
Claims22
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.
7 more elements
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.
5 more elements
A method of manufacturing a setting tool for use downhole, the method comprising:
- forming a mandrel having an upper portion and lower portion, wherein the mandrel has a first end and a second end;
- forming a barrel piston sized and configured to extend over an exterior of the mandrel;
- forming a lead portion on the upper portion of the mandrel proximate to the first end, wherein the leading portion comprises seal grooves for receiving O-rings;
- forming an engagement portion on the upper portion of the mandrel adjacent to the lead portion and closer to the second end of the mandrel than the lead portion;
- forming a wrench-application portion on the upper portion of the mandrel adjacent to the engagement portion and closer to the second end of the mandrel than the engagement 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;
- forming a retaining cap sized and configured to extend over a portion of the exterior of the mandrel;
- coupling the retaining cap to a first end of the barrel piston;
- disposing the retaining cap and barrel piston over a portion of the exterior of the mandrel;
- forming a first shear-device hole in a portion of the upper mandrel for receiving a shear device;
- forming a second shear-device hole through the barrel piston and in alignment with the first shear device hole when the setting tool is in an in-line configuration;
- and
- disposing a shear device in the first shear-device hole and second shear-device hole.
9 more elements
Dependencies are inferred from the claim text.