Latch profile installation in existing casing
AssigneeHalliburton Energy Services, Inc.
InventorRay C. Smith
Life of this patent
Estimating the term…
Abstract
A method of installing an internal latch profile in an existing tubular string does not require the use of a packer. In a described embodiment, a method of latch installation includes the step of deforming an interior surface of the tubular string after the tubular string is positioned in a well. In another described embodiment, a method of latch installation includes the step of cutting into the interior surface of the tubular string.
Claims67
A method of installing a latch profile in a tubular string in a subterranean well, the method comprising the steps of:
- positioning the tubular string in the subterranean well;
- and
- then forming the latch profile in the tubular string.
A method of installing a latch profile in a tubular string in a subterranean well, the method comprising the steps of:
- cementing the tubular string in the subterranean well;
- and
- then plastically deforming the tubular string, thereby installing the latch profile in the tubular string.
A method of installing a latch profile in a tubular string in a subterranean well, the method comprising the steps of:
- positioning the tubular string in the subterranean well;
- and
- then cutting into an interior surface of the tubular string, thereby forming a predetermined pattern of recesses on the interior surface, the pattern of recesses making up the latch profile.
A method of installing a latch profile in a tubular string in a subterranean well, the method comprising the steps of:
- positioning the tubular string in the subterranean well;
- then conveying a latch structure into the tubular string;
- and
- then expanding the latch structure outward in the tubular string.
Dependencies are inferred from the claim text.