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US 12,723,485 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.
Claims13
A downhole tool, comprising:
- a single frustoconical member at a first end of the downhole 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;
- an elastomeric element disposed around the single set of slips tending to pull the slips against the mandrel collar;
- a shear screw passing through at least one slip of 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 plurality of interlocking members disposed around the single set of slips.
3 more elements
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;
- 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 slip of 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 plurality of interlocking members disposed around the single set of slips;
- and
- a sealing member configured to engage a central opening in the downhole tool.
7 more elements
Dependencies are inferred from the claim text.