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.
Claims16
A downhole tool, comprising:
- a single frustoconical member at a first end of the down-hole tool;
- a mandrel collar affixed to a first end of the single frustoconical member;
- a single set of slips in contact with the mandrel collar and comprising at least one internal button on an inner surface configured to engage the frustoconical member;
- and
- an elastomeric element disposed around the single 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.
A downhole apparatus, comprising:
- a downhole tool comprising:
- a single frustoconical member at a first end of the down-hole tool;
- a mandrel collar affixed to a first end of the single frustoconical member;
- a single set of slips in contact with the mandrel collar and comprising at least one internal button on an inner surface configured to engage the frustoconical member;
- and
- an elastomeric element disposed around the single 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;
- and
- a sealing member configured to engage a central opening in the downhole tool.
A method for using a downhole tool comprising a single frustoconical member, a mandrel collar affixed to a first end of the single frustoconical member, a single set of slips in contact with the mandrel collar and comprising at least one internal button on an inner surface configured to engage the frustoconical member, and an elastomeric element disposed around the single set of slips, the method comprising:
- running the downhole tool into a wellbore to a desired location;
- and
- applying a setting force to shear screws disposed in the single set of slips, such that the slips engage a casing of the wellbore.
Dependencies are inferred from the claim text.