US-12624607-B2 - Tubing hanger re-entry tool

US12624607B2US 12624607 B2US12624607 B2US 12624607B2US-12624607-B2

Abstract

In at least one embodiment, a system for a re-entry tool to be used with oilfield equipment is disclosed. A stinger that includes flushing holes to enable fluid for flushing through the re-entry tool and into one or more of an Xmas tree head, tubing hanger, or crown plug, is provided in the system. The system includes one or more sleeves external to the stringer. The one or more sleeves include flushing slots to enable circulation of the fluid from the Xmas tree head, tubing hanger, or crown plug to an external environment relative to the Xmas tree head.

Inventors

Brian Craig
Malcolm David Finlayson
Michael Donnelly
Timothy Crowther
Andrew Hughes

Assignees

Baker Hughes Energy Technology UK Limited

Dates

Publication Date: 20260512
Application Date: 20240813

Claims (18)

1 . A system for a re-entry tool to be used with oilfield equipment, comprising: a stinger comprising flushing holes to enable fluid for flushing through the re-entry tool and into one or more of an Xmas tree head, tubing hanger, or crown plug; one or more sleeves external to the stinger and comprising flushing slots to enable circulation of the fluid from the Xmas tree head, tubing hanger, or crown plug to an external environment relative to the Xmas tree head, tubing hanger, or crown plug; and one or more orientation keys to enable alignment of each of the one or more sleeves with respect to each other and with respect to the stinger within the re-entry tool.
2 . The system of claim 1 , wherein the stinger is capable of being in one or more of an extended position or a retracted position relative to the re-entry tool.
3 . The system of claim 1 , further comprising: a plurality of dogs extending through at least one of the one or more sleeves, the plurality of dogs to engage the Xmas tree head to provide a locking of the re-entry tool with respect to the Xmas tree head.
4 . The system of claim 1 , further comprising: a shoulder of the Xmas tree head; and a surface of the re-entry tool, the surface to enable landing the re-entry tool on the shoulder during the flushing through the re-entry tool and into an Xmas tree head.
5 . The system of claim 1 , further comprising: a stinger retainer cap to allow the stinger to be retained in a retracted position relative to the re-entry tool and to allow the stringer to move to an extended position relative to the re-entry tool.
6 . The system of claim 1 , further comprising: a latching profile of the Xmas tree head to allow receipt of the stinger in an extended position and to allow landing of the re-entry tool thereon.
7 . The system of claim 1 , further comprising: a first latch piston of the one or more sleeves, the first latch piston to cause engagement or disengagement of a plurality of dogs with respect to the Xmas tree head, wherein the engagement of the plurality of dogs with respect to the Xmas tree head enables overpull, pressure testing, and wireline operations using the re-entry tool, and wherein disengagement of the plurality of dogs allows, at least in part, retraction of the re-entry tool.
8 . The system of claim 1 , further comprising: a second latch piston of the one or more sleeves, the second latch piston to be in one of a retracted position or an extended position, wherein the retracted position enables an unbalanced load in the re-entry tool to allow, at least in part, retraction of the re-entry tool, wherein the extended position allows removal of the tubing hanger from the Xmas tree head.
9 . The system of claim 1 , further comprising: one or more break rings within the one or more sleeves, the one or more break rings to be an unbroken status in normal operations of the re-entry tool and to be in a broken status during an emergency operation in the re-entry tool, the broken status to allow for an unbalanced load on a latch piston to further allow, at least in part, retraction of the re-entry tool.
10 . A method for a re-entry tool to be used with oilfield equipment, comprising: providing a stinger that comprises flushing holes within the re-entry tool; enabling fluid for flushing through the stinger and into one or more of an Xmas tree head, tubing hanger, or crown plug; enabling one or more sleeves that are external to the stringer and comprising flushing slots to circulate the fluid from the Xmas tree head, tubing hanger, or crown plug to an external environment relative to the Xmas tree head; and enabling, using one or more orientation keys, alignment of each of the one or more sleeves with respect to each other and with respect to the stinger within the re-entry tool.
11 . The method of claim 10 , wherein the stinger is capable of being in one or more of an extended position or a retracted position relative to the re-entry tool.
12 . The method of claim 10 , further comprising: extending a plurality of dogs through at least one of the one or more sleeves; and causing the plurality of dogs to engage the Xmas tree head to provide a locking of the reentry tool with respect to the Xmas tree head.
13 . The method of claim 10 , further comprising: providing a shoulder of the Xmas tree head and a surface of the re-entry tool; landing the re-entry tool on the Xmas tree head at an interface of the shoulder and the surface; enabling the flushing through the re-entry tool and into an Xmas tree head prior to the landing, during the landing, and after the landing.
14 . The method of claim 10 , further comprising: allowing, using a stinger retainer cap, the stinger to be retained in a retracted position relative to the re-entry tool; and allowing the stringer to move to an extended position relative to the re-entry tool.
15 . The method of claim 10 , further comprising: allowing the stinger, in an extended position, to be received into a latching profile of the Xmas tree head; and allowing landing of the re-entry tool on the latching profile of the Xmas tree head, wherein the stinger is moved from the extended position to a retracted position during the landing.
16 . The method of claim 10 , further comprising: enabling a first latch piston to be movable within the one or more sleeves; and causing, using the first latch piston, engagement or disengagement of a plurality of dogs with respect to the Xmas tree head, wherein the engagement of the plurality of dogs with respect to the Xmas tree head enables overpull, pressure testing, and wireline operations using the reentry tool, and wherein disengagement of the plurality of dogs allows, at least in part, retraction of the re-entry tool.
17 . The method of claim 10 , further comprising: enabling a second latch piston of the one or more sleeves to be in one of a retracted position or an extended position; enabling, in the retracted position of the second latch piston, an unbalanced load in the reentry tool to allow, at least in part, retraction of the re-entry tool; and enabling, in the extended position of the of the second latch piston, removal of the tubing hanger from the Xmas tree head.
18 . The method of claim 10 , further comprising: enabling one or more break rings within the one or more sleeves to be an unbroken status in normal operations of the re-entry tool; causing the one or more break rings to be in a broken status during an emergency operation in the re-entry tool; and allowing, in the broken status of the one or more break ring, retraction of the re-entry tool.

Description

CROSS-REFERENCE TO RELATED APPLICATION This Non-Provisional Application claims the benefit of priority to U.S. Provisional Application No. 63/532,845, titled “TUBING HANGER RE-ENTRY TOOL,” filed Aug. 15, 2023, the entire contents of which is incorporated by reference herein for all intents and purposes. BACKGROUND 1. Technical Field This disclosure relates generally to oilfield equipment and more particularly to systems and methods for a well re-entry tool to be used with oilfield equipment. 2. Description of the Prior Art Oilfield equipment may include a tubing hanger re-entry tool to provide access and service, such as wireline services, coil tubing, or fluid intervention for a tubing hanger or other assembly in a wellhead or horizontal tree. A tubing hanger is a device which is attached to the topmost tubing joint in the wellhead to support the tubing string in the oilfield equipment. The tubing hanger typically is located in the horizontal tree, tubing head, or wellhead, with components incorporating a sealing system to ensure that the tubing conduit and annulus are hydraulically isolated. A tubing hanger re-entry tool can enable removal and replacement of a tubing hanger and production tubing (or other tubing) from an associated horizontal tree, tubing head, or wellhead. A tubing hanger re-entry tool can engage with the tubing hanger. Upon engagement, the tubing hanger re-entry tool may be used to remove or to replace downhole completion components including isolation barrier valves replaces traditional wireline plugs. However, debris may build-up over time which can impact access to the well interface latching profile. SUMMARY In at least one embodiment, a system for a re-entry tool to be used with oilfield equipment is disclosed. A stinger that includes flushing holes to enable fluid for flushing through the re-entry tool and into one or more of an Xmas tree head, tubing hanger, or crown plug, is provided in the system. The system includes one or more sleeves external to the stringer. The one or more sleeves include flushing slots to enable circulation of the fluid from the Xmas tree head, tubing hanger, or crown plug to an external environment relative to the Xmas tree head. In at least one embodiment, a method for a re-entry tool to be used with oilfield equipment is disclosed. The method includes providing a stinger that has flushing holes within the re-entry tool. The method also includes enabling fluid for flushing through the stinger and into one or more of an Xmas tree head, tubing hanger, or crown plug. Further, the method includes enabling one or more sleeves that are external to the stringer and that have flushing slots to circulate the fluid from the Xmas tree head, tubing hanger, or crown plug to an external environment relative to the Xmas tree head. BRIEF DESCRIPTION OF DRAWINGS Some of the features and benefits of the present disclosure having been stated, others will become apparent as the description proceeds when taken in conjunction with the accompanying drawings, in which: FIG. 1 is a block diagram of certain oilfield equipment that is subject to a system for well control which can facilitate a re-entry tool, as detailed herein and in accordance with at least one embodiment. FIG. 2 is a further detailed cross-sectional view of aspects of a system for a re-entry tool along with excerpts of specific features associated there with, in accordance with at least one embodiment. FIG. 3 is a cross-sectional view of aspects of a system for a re-entry tool along with Xmas tree head features associated there with, in accordance with at least one embodiment. FIGS. 4A and 4B are cross-sectional views of aspects of a system for a re-entry tool with the re-entry tool landed on a shoulder of the Xmas tree head, in accordance with at least one embodiment. FIGS. 5A and 5B are cross-sectional views of aspects of a system for a re-entry tool with a stinger of the re-entry tool extended into latching profile of an Xmas tree head, in accordance with at least one embodiment. FIGS. 6A and 6B are cross-sectional views of aspects of a system for a re-entry tool with re-entry tool landed on a latching profile of an Xmas tree head, in accordance with at least one embodiment. FIGS. 7A and 7B are cross-sectional views of aspects of a system for a re-entry tool with dogs of a re-entry tool engaged with an Xmas tree head, in accordance with at least one embodiment. FIGS. 8A and 8B are cross-sectional views of aspects of a system for a re-entry tool with an outer latch piston in an extended position, in accordance with at least one embodiment. FIGS. 9A and 9B are cross-sectional views of aspects of a system for a re-entry tool with an inner latch piston in a retracted position, in accordance with at least one embodiment. FIGS. 10A and 10B are cross-sectional views of aspects of a system for a re-entry tool with one or more break rings in an unbroken status and in a broken status, in accordance with at least one e