Handling and recovery devices for tubular members and associated methods
View Patent ↗Implementations described herein include a hoisting device and method for handling, coupling and recovery of tubular members such as drill string components. The hoisting device has a self-energizing gripping means configured to releasably engage a drill string component. In one aspect, the self-energizing gripping means can be operable to increase at least one of a radial biasing force and a contact friction force applied to a drill string component, causing the gripping means to increase the overall gripping force applied to the component with minimal effort exerted by a hoisting device operator.
1. A hoisting device, comprising:
a roller gripper housing having a longitudinal axis further comprising:
a cage member having a plurality of roller gripper element openings disposed therein;
a base member having an exterior surface and an elongate length extending between a proximal and a distal end, wherein at least a portion of the exterior surface defines at least one wedge surface that tapers inwardly as the wedge surface moves toward the distal end of the base member; and
at least one polar array of roller gripper elements disposed in cooperative communication with the plurality of roller gripper element openings and at least a portion of the at least one wedge surface;
a means for lifting the hoisting device; and
a securing means for securing the hoisting device to a drill string component, wherein the securing means comprises a threaded collar.
2. The hoisting device of claim 1 , wherein the cage member has a proximal end, and wherein the hoisting device further comprises a spring disposed between the proximal end of the cage member and the base member.
3. The hoisting device of claim 1 , wherein the lifting means comprises a handle configured for manually handling the hoisting device.
4. The hoisting device of claim 1 , wherein the lifting means comprises a hoisting cable eye.
5. The hoisting device of claim 1 , further comprising a bearing assembly operably disposed between the lifting means and the roller gripper housing.
6. The hoisting device of claim 5 , wherein the bearing assembly further comprises at least one radial bearing operable to allow rotation about the central axis of the roller gripper housing.
7. The hoisting device of claim 5 , wherein the bearing assembly further comprises at least one thrust bearing operable to transfer tension between a hoist cable operably associated with the lifting means and a drill string engaged by the roller gripper housing.
8. The hoisting device of claim 5 , further comprising a seal assembly disposed between the roller gripper housing and the bearing assembly.
9. The hoisting device of claim 1 , wherein the roller gripper housing comprises a first roller gripper housing, and the securing means further comprises a second roller gripper housing comprising:
a rotating member having a plurality of roller gripper elements disposed therein,
a core member having a circumferential length and at least one wedge surface disposed along a portion of the circumferential length operatively coupled to the rotating member, and
at least one polar array of roller gripper elements disposed in cooperative communication with the plurality of roller gripper element openings and at least a portion of the at least one wedge surface.
10. The hoisting device of claim 1 , further comprising a central bore operable to allow for the passage of fluids.
11. The hoisting device of claim 10 , wherein the hoisting device further comprises a connection port operably connected to the central bore and configured to facilitate at least one of water supply or fluid venting.
12. The hoisting device of claim 10 , wherein the roller gripper housing further comprises at least one fluid seal configured to be disposed against a drill string component inner diameter.
13. A hoisting device, comprising:
a roller gripper housing having a longitudinal axis further comprising:
a cage member having a plurality of roller gripper element openings disposed therein;
a base member having an exterior surface and an elongate length extending between a proximal and a distal end, wherein at least a portion of the exterior surface defines at least one wedge surface that tapers inwardly as the wedge surface moves toward the distal end of the base member; and
at least one polar array of roller gripper elements disposed in cooperative communication with the plurality of roller gripper element openings and at least a portion of the at least one wedge surface;
a lifting means;
a bearing assembly operably disposed between the lifting means and the roller gripper housing; and
a securing means for securing the hoisting device to a drill string component, wherein the securing means comprises a threaded collar.
14. The hoisting device of claim 13 , wherein the bearing assembly further comprises at least one radial bearing operable to allow rotation about the central axis of the roller gripper housing.
15. The hoisting device of claim 13 , wherein the bearing assembly further comprises at least one thrust bearing operable to transfer tension between a hoist cable operably associated with the lifting means and a drill string engaged by the roller gripper housing.
16. The hoisting device of claim 13 , wherein the roller gripper housing comprises a first roller gripper housing, and the securing means further comprises a second substantially cylindrical roller gripper housing further comprising:
a second cage member having a plurality of roller gripper elements disposed therein;
a base member having a circumferential length and at least one wedge surface disposed along a portion of the circumferential length operatively coupled to the cage member, and
at least one polar array of roller gripper elements disposed in cooperative communication with the plurality of roller gripper element openings and at least a portion of the at least one wedge surface.
17. The hoisting device of claim 13 , further comprising a central bore operable to allow for the passage of fluids.
18. The hoisting device of claim 17 , wherein the hoisting device further comprises a connection port operably connected to the central bore and configured to facilitate at least one of water supply or fluid venting.
19. The hoisting device of claim 17 , wherein the roller gripper housing further comprises at least one fluid seal configured to be disposed against a drill string component inner diameter.
20. A hoisting device, comprising:
a roller gripper housing having a longitudinal axis and further comprising:
a cage member having a plurality of roller gripper element openings disposed therein;
a base member having an exterior surface and an elongate length extending between a proximal and a distal end, wherein at least a portion of the exterior surface defines at least one wedge surface that tapers inwardly as the wedge surface moves toward the distal end of the base member; and
at least one polar array of roller gripper elements disposed in cooperative communication with the plurality of roller gripper element openings and at least a portion of the at least one wedge surface; and
a means for lifting the hoisting device;
a central bore operable to allow for the passage of fluids; and
a connection port operably connected to the central bore and configured to facilitate at least one of water supply or fluid venting.
21. The hoisting device of claim 20 , wherein the cage member has a proximal end, the hoisting device further comprising a spring disposed between the proximal end of the cage member and the base member.
22. The hoisting device of claim 20 , wherein the lifting means comprises a handle configured for manually handling the apparatus.
23. The hoisting device of claim 20 , wherein the lifting means further comprises a hoisting cable eye.
24. The hoisting device of claim 20 , further comprising a bearing assembly operably disposed between the lifting means and the roller gripper housing.
25. The hoisting device of claim 24 , wherein the bearing assembly further comprises at least one radial bearing operable to allow rotation about the central axis of the roller gripper housing.
26. The hoisting device of claim 24 , wherein the bearing assembly further comprises at least one thrust bearing operable to transfer tension between a hoist cable operably associated with the lifting means and a drill string engaged by the roller gripper housing.
27. The hoisting device of claim 24 , further comprising a seal assembly disposed between the roller gripper housing and the bearing assembly.
28. The hoisting device of claim 20 , further comprising a securing means operable to further secure the apparatus to a drill string component.
29. The hoisting device of claim 28 , wherein the securing means comprises a threaded collar.
30. The hoisting device of claim 20 , wherein the roller gripper housing further comprises at least one fluid seal configured to be disposed against a drill string component inner diameter.