IP Library Granted Patent US 12,473,786
Granted Patent B2
US 12,473,786 · App. 18/481,516 · Granted Nov 18, 2025

Latch collet including unique torque buttons

Inventors: Lars Petter Larsen (Stavanger, NO); Borisa Lajesic (Stavanger, NO); Morten Falnes (Stavanger, NO); Vegard Dyrseth (Stavanger, NO)
Assignee: Halliburton Energy Services, Inc.
E21B23/02E21B7/061E21B17/046E21B17/0465E21B23/01E21B23/03E21B23/06E21B33/12E21B41/0035E21B47/00
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Quick Facts
Patent No.
US 12,473,786
App. No.
18/481,516
Granted
Nov 18, 2025
Kind
B2
Abstract

Provided is a latch collet, a well system, and a method for forming a well system. The latch collet, in one aspect, includes a collet body, the collet body having a plurality of collet fingers. The latch collet, according to this aspect, further includes a torque button located on a radial exterior of each of the plurality of collet fingers, wherein a width (W TB ) of each of the torque buttons is within 10% of each other.

Claims (39)

1 . A latch collet, comprising:

a collet body, the collet body having a plurality of collet fingers;

a torque button located on a radial exterior of each of the plurality of collet fingers, wherein a width (W TB ) of each of the torque buttons is within 10% of each other; and

a coupling selector button located on the radial exterior of each of the plurality of fingers, the coupling selector button configured to engage with a selector profile in a latch coupling:

wherein each of the torque buttons includes multiple linearly aligned and spaced apart torque button portions,

wherein the torque button is a first torque button located on a radial exterior of each of the plurality of fingers, and further including a second torque button located on the radial exterior of each of the plurality of fingers, wherein the width (WTB) of each of the second torque buttons is within 10% of each other and the first torque buttons,

wherein each of the second torque buttons includes multiple linearly aligned and spaced apart second torque button portions, and

wherein the multiple linearly aligned and spaced apart torque button portions and the multiple linearly aligned and spaced apart second torque button portions are at least partially axially offset from each other thereby forming a debris path.

2 . The latch collet as recited in claim 1 , wherein the coupling selector button is an uphole coupling selector button located uphole of the torque buttons, and further including a downhole coupling selector button located on the radial exterior of each of the plurality of fingers and downhole of the torque buttons.

3 . The latch collet as recited in claim 2 , wherein each of the uphole coupling selector buttons and the downhole coupling selector buttons has a width (W SP ) greater than the width (W TB ).

4 . The latch collet as recited in claim 3 , wherein the width (W SP ) is at least 2 times greater than the width (W TB ).

5 . The latch collet as recited in claim 2 , wherein each of the uphole coupling selector buttons and the downhole coupling selector buttons has tensile and compressive shoulders.

6 . A well system, comprising:

a wellbore extending through one or more subterranean formations;

wellbore casing located in the wellbore, the wellbore casing including a latch coupling; and

a latch collet located in the wellbore and configured to engage with the latch coupling, the latch collet including:

a collet body, the collet body having a plurality of collet fingers; and

a torque button located on a radial exterior of each of the plurality of collet fingers, wherein a width (W TB ) of each of the torque buttons is within 10% of each other; and

a coupling selector button located on the radial exterior of each of the plurality of fingers, the coupling selector button configured to engage with a selector profile in a latch coupling.

7 . The well system as recited in claim 6 , wherein each of the torque buttons includes multiple linearly aligned and spaced apart torque button portions.

8 . The well system as recited in claim 7 , wherein the torque button is a first torque button located on a radial exterior of each of the plurality of fingers, and further including a second torque button located on the radial exterior of each of the plurality of fingers, wherein the width (W TB ) of each of the second torque buttons is within 10% of each other and the first torque buttons.

9 . The well system as recited in claim 8 , wherein each of the second torque buttons includes multiple linearly aligned and spaced apart second torque button portions.

10 . The well system as recited in claim 9 , wherein the multiple linearly aligned and spaced apart torque button portions and the multiple linearly aligned and spaced apart second torque button portions are at least partially axially offset from each other thereby forming a debris path.

11 . The well system as recited in claim 6 , wherein the coupling selector button is an uphole coupling selector button located uphole of the torque buttons, and further including a downhole coupling selector button located on the radial exterior of each of the plurality of fingers and downhole of the torque buttons.

12 . The well system as recited in claim 11 , wherein each of the uphole coupling selector buttons and the downhole coupling selector buttons has a width (W SP ) greater than the width (W TB ).

13 . The well system as recited in claim 12 , wherein the width (W SP ) is at least 2 times greater than the width (W TB ).

14 . The well system as recited in claim 11 , wherein each of the uphole coupling selector buttons and the downhole coupling selector buttons has tensile and compressive shoulders.

15 . A method for forming a well system, comprising:

forming a wellbore through one or more subterranean formations;

positioning wellbore casing in the wellbore, the wellbore casing including a latch coupling; and

positioning a latch collet in the wellbore, the latch collet configured to engage with the latch coupling and including:

a collet body, the collet body having a plurality of collet fingers; and

a torque button located on a radial exterior of each of the plurality of collet fingers, wherein a width (W TB ) of each of the torque buttons is within 10% of each other; and

a coupling selector button located on the radial exterior of each of the plurality of fingers, the coupling selector button configured to engage with a selector profile in a latch coupling.

16 . The method as recited in claim 15 , further including automatically coupling the latch collet with the latch coupling.

17 . A latch collet, comprising:

a collet body, the collet body having a plurality of collet fingers;

a torque button located on a radial exterior of each of the plurality of collet fingers, wherein a width (W TB ) of each of the torque buttons is within 10% of each other; and

a coupling selector button located on the radial exterior of each of the plurality of fingers, the coupling selector button configured to engage with a selector profile in a latch coupling, wherein the coupling selector button is an uphole coupling selector button located uphole of the torque buttons, and further including a downhole coupling selector button located on the radial exterior of each of the plurality of fingers and downhole of the torque buttons.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 5, 2023
From: FALNES, MORTEN; DYRSETH, VEGARD; LARSEN, LARS PETTER; LAJESIC, BORISA
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 065139/0253 →
Continuity (2)
Provisional Application 63414272 · Oct 7, 2022
Related Publication 20240117712A1 · Apr 11, 2024
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