Sleeve shifting tool
AssigneeThru Tubing Solutions, Inc.
InventorsBrett Fears, Brock Watson
Life of this patent
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Abstract
A sleeve shifting tool for shifting a slidable sleeve positioned inside of another downhole tool is described herein. The tool has a housing and a collet apparatus for engaging a slidable sleeve disposed within a downhole tool positioned in a wellbore. The collet apparatus includes at least one collet arm and at least one collet key disposed thereon for engaging the slidable sleeve. The tool also includes a collet activation apparatus for initiating the collet apparatus and force the at least one collet key of the collet apparatus to engage the slidable sleeve. A method of shifting a sleeve positioned in a downhole tool with the sleeve shifting tool described herein is also provided herein.
Claims25
A sleeve shifting tool, the tool comprising:
- a housing;
- a collet apparatus for engaging a slidable sleeve disposed within a downhole tool positioned in a wellbore, the collet apparatus comprising:
- a first collet arm and a second collet arm, each collet arm having a collet key disposed thereon for engaging the slidable sleeve;
- openings disposed in the housing for permitting each collet key to extend therethrough and engage the slidable sleeve;
- and
- a collet prop disposed entirely within the housing during all operational uses of the sleeve shifting tool, the collet prop engages the first and second collet arms to force them away from each other;
- the collet prop comprising:
- a leading end to engage lugs disposed on the collet arms to force the collet arms in opposite directions, the lugs disposed on the first collet arm and the second collet arm are disposed on the collet arms and spaced apart from the collet keys in the axial direction such that the collet arms can flex when inward, radial directed force is applied to the collet keys;
- a prop body;
- a first channel disposed in the prop body for receiving a portion of the first collet arm;
- and
- a second channel disposed in the prop body for receiving a portion of the second collet arm;
- and
- a collet activation apparatus for initiating the collet apparatus and forcing the collet keys of the collet apparatus to engage the slidable sleeve.
A method for shifting a sleeve in a downhole tool, the method comprising:
- positioning a sleeve shifting tool at a desired location within a downhole tool having a slidable sleeve disposed therein, the sleeve shifting tool comprising:
- a housing;
- a collet apparatus for engaging the slidable sleeve disposed within the downhole tool positioned in a wellbore, the collet apparatus comprising:
- a first collet arm and a second collet arm, each collet arm having a collet key disposed thereon for engaging the slidable sleeve;
- openings disposed in the housing for permitting each collet key to extend therethrough and engage the slidable sleeve;
- and
- a collet prop disposed entirely within the housing during all operational uses of the sleeve shifting tool, the collet prop engages the first and second collet arms to force them away from each other;
- the collet prop comprising:
- a leading end to engage the lugs on the collet arms to more easily force the collet arms in opposite directions, the lugs disposed on the first collet arm and the second collet arm are disposed on the collet arms and spaced apart from the collet keys in the axial direction such that the collet arms can flex when inward, radial directed force is applied to the collet keys;
- a prop body;
- a first channel disposed in the prop body for receiving a portion of the first collet arm;
- and
- a second channel disposed in the prop body for receiving a portion of the second collet arm;
- and
- a collet activation apparatus for initiating the collet apparatus and forcing the collet keys of the collet apparatus to engage the slidable sleeve;
- and
- shifting the shiftable sleeve in the downhole tool in an uphole direction or a downhole direction.
Dependencies are inferred from the claim text.