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US 12,215,565 B2Granted
Compact downhole tool
AssigneeNine Downhole Technologies, LLC
InventorsDonald Roy Greenlee, Donald Jonathan Greenlee
Life of this patent
Estimating the term…
Abstract
A compact downhole tool, such as a frac plug, may include a single frustoconical member and a single set of slips. The slips may further include an internal button that engages with the frustoconical member. Various elements in the downhole tool may be dissolvable or degradable.
Claims20
A downhole tool, comprising:
- a single frustoconical member at a first end of the downhole tool;
- a mandrel collar affixed to a small end of the single frustoconical member;
- a single set of slips arranged concentrically around the mandrel collar, wherein the set of slips are in contact with the mandrel collar;
- and
- an elastomeric element around the circumference of the set of slips tending to pull the slips against the mandrel collar, and
- a shear screw passing through at least one of the slips in the single set of slips, wherein the shear screw is affixed to the slips, and wherein at least a portion of the shear screw is disposed in a hole in the mandrel collar.
3 more elements
A method for using a downhole tool, the downhole tool comprising:
- a single frustoconical member at a first end of the downhole tool;
- a single set of slips arranged concentrically at an external surface of the downhole tool, wherein the set of slips are in contact with the single frustoconical member;
- and
- an elastomeric element around the circumference of the set of slips tending to pull the slips against the frustoconical member;
- between the set of slips and the frustoconical member, wherein the method comprises:
- running the downhole tool into the casing to a desired location;
- and
- applying a setting force to shear screws in the set of slips, wherein the set of slips engages the frustoconical member and forces the elastomeric element over the frustoconical member, and the set of slips engages the casing, and wherein the frustoconical member and the engagement collar further comprise a central opening in fluid communication with the casing when the downhole tool is set.
5 more elements
Dependencies are inferred from the claim text.