Flapper valve tool
AssigneeThru Tubing Solutions, Inc.
InventorsBrock Watson, Roger Schultz, Andy Ferguson
Life of this patent
Estimating the term…
Abstract
The present invention is related to a downhole tool having a flapper valve assembly for controlling the backflow of fluid into a tubing string. The downhole tool includes a first sleeve slidably disposable within at least a portion of the flapper valve assembly and the downhole tool. The downhole tool can also include a second sleeve slidably disposed within the downhole tool. The present invention is also related to a method of using the downhole tool. The method includes the step of positioning the downhole tool in a wellbore. Once the downhole tool is positioned in the wellbore, the first sleeve is shifted to interact with the flapper valve assembly.
Claims20
A downhole tool, the tool comprising:
- a flapper valve assembly for controlling the backflow of fluid into a tubing string;
- a first sleeve slidably disposable within at least a portion of the flapper valve assembly and the downhole tool, the first sleeve slidable from a first position to a second position;
- and
- a deformable portion incorporated into the first sleeve that is yieldably deformed to maintain the first sleeve in substantially the second position, the deformable portion having an inner diameter that is less than an inner diameter of a majority of the first sleeve when the first sleeve is in the first position in the downhole tool and the deformable portion having an outer diameter that is greater than an outer diameter of the majority of the first sleeve when the first sleeve is in the second position in the downhole tool,
- wherein the deformable portion outer diameter is created while shifting the sleeve from the first position to the second position to yieldably deform the inner diameter and forming the outer diameter of the deformable portion.
A method, the method comprising:
- positioning a downhole tool in a wellbore, the downhole tool comprising:
- a flapper valve, assembly for controlling the backflow of fluid into a tubing string;
- a first sleeve slidably disposable within at least a portion of the flapper valve assembly and the downhole tool, the first sleeve slidable from a first position to a second position;
- and
- a deformable portion incorporated into the first sleeve that is yieldably deformed to maintain the first sleeve in substantially the second position, the deformable portion having an inner diameter that is less than an inner diameter of a majority of the first sleeve when the first sleeve is in the first position in the downhole tool and the deformable portion having an outer diameter that is greater than an outer diameter of the majority of the first sleeve when the first sleeve is in the second position in the downhole tool;
- wherein the deformable portion outer diameter is created while shifting the sleeve from the first position to the second position to yieldably deform the inner diameter and forming the outer diameter of the deformable portion;
- shifting the first sleeve in the downhole tool to interact with the flapper valve assembly.
Dependencies are inferred from the claim text.