Pipe handling device, method and system

• US 7,140,443 B2
• Filed: 11/10/2003
• Issued: 11/28/2006
• Est. Priority Date: 11/10/2003
• Status: Active Grant

• Current Assignee: Nabors Drillling Technologies USA, Inc.
• Original Assignee: Tesco Corporation US (Emerson Electric Company)
• Inventors: Beierbach, K. Evert, Nikiforuk, Kevin
• Primary Examiner(s): Bates, Zakiya W.
• Application Number:
  US10/704,147
• Publication Number:
  US 20050098352A1
• Time in Patent Office: 1,114 Days
• Field of Search: None
• US Class Current: 166/380
• CPC Class Codes: E21B 19/06 Elevators, i.e. rod- or tube-gripping devices
• CPC Class Codes: E21B 19/16 Connecting or disconnecting pipe couplings or joints E21B19/20 takes precedence

Abstract

A pipe handling device for mounting to use with a top drive and possibly a pipe engaging apparatus, includes a link arm having a first end pivotally connectable to move with the top drive and an outboard end pivotally connectable to a pipe elevator segment, and a drive system to drive the outboard end of the link arm at least between a lower position and a raised position. A pipe handling system and method may include or employ the pipe handling device.

Claims

1. A pipe handling device for mounting onto a pipe engaging apparatus, the pipe engaging apparatus including a main body and a pipe gripping mechanism to grip a pipe for rotational and axial movement thereof and being connectable to a top drive, the pipe handling device comprising:

a link arm having a first end pivotally connectable to the bracket and an outboard end pivotally connectable to a pipe elevator segment, the link arm being sized to present a pipe lifted by the pipe elevator segment into a position to be gripped by the pipe engaging apparatus; and

a connector for connection to an elevator control mechanism.

2. The pipe handling device of claim 1 further comprising a drive system to drive the link arm about its pivotal connection on the pipe engaging apparatus.

3. The pipe handling device of claim 1 wherein the pipe elevator segment is remotely actuable to open and close.

4. The pipe handling device of claim 1 wherein the link arm is pivotally connected to a bracket on the pipe engaging apparatus, the bracket including a channel key.

5. The pipe handling device of claim 1 wherein the link arm is pivotally mounted on an axle supported on the pipe engaging apparatus.

6. The pipe handling device of claim 5 further comprising a second link arm having a first end pivotally connectable to the pipe engaging apparatus and an outboard end pivotally connectable to the pipe elevator segment, the second link arm being pivotally mounted on a second axle supported on the pipe engaging apparatus and wherein the axles are spaced apart and axially aligned.

7. The pipe handling device of claim 6 wherein the outboard ends are mounted to remain substantially equidistant from the pipe gripping mechanism.

8. The pipe handling device of claim 5 further comprising a drive system including a hydraulic cylinder to drive the link arm about the axle, the hydraulic cylinder connected between the link arm and a support offset horizontally from a vertical plane aligned with the long axis of the axle shaft.

9. The pipe handling device of claim 1 wherein the link arm is laterally stabilized to rotate substantially in a plane.

10. The pipe handling device of claim 1 further comprising a drive system including a hydraulic cylinder to drive the link arm about its pivotal connection on the pipe engaging apparatus, the hydraulic cylinder selected to move the link arm in both a clockwise and a counterclockwise direction about its pivotal connection.

11. The pipe handling device of claim 1 wherein the link arm is fitted for anti-rotation relative to the rotational movement applied by the pipe gripping mechanism to a pipe gripped thereby.

12. The pipe handling device of claim 1 wherein the link arm is pivotally connected to a bracket on the pipe engaging apparatus, the bracket fitting to an anti-rotation bracket extending from the top drive.

13. A pipe handling system comprising:

a pipe engaging apparatus for gripping a pipe joint and having a main body including an upper end for drive connection to a top drive and a pipe gripping mechanism, a link arm including a pivotal connection to the pipe engaging apparatus main body and an outboard end and the link arm being elongate to extend to a position below the pipe gripping mechanism and a link arm drive system for driving the link arm about its pivotal connection.

14. The pipe handling system of claim 13 wherein the drive system includes a hydraulic cylinder to drive the link arm.

15. The pipe handling system of claim 14 wherein the drive system includes a hydraulic cylinder connected between the link arm and a support, the support being offset horizontally from a vertical plane aligned with the long axis of the axle shaft.

16. The pipe handling system of claim 13 wherein the link arm is telescopically extendable.

17. The pipe handling system of claim 16 wherein the outboard ends are mounted to remain when driven substantially equidistant from the pipe gripping mechanism.

18. The pipe handling system of claim 13 wherein the link arm is pivotally connected to a bracket on the pipe engaging apparatus, the bracket including a channel key.

19. The pipe handling system of claim 13 wherein the link arm pivotal connection includes an axle supported on the pipe engaging apparatus.

20. The pipe handling system of claim 19 further comprising a second link arm having a first end pivotally connectable to the pipe engaging apparatus and an outboard end, the second link arm being pivotally mounted on a second axle supported on the pipe engaging apparatus and wherein the axles are spaced apart and axially aligned.

21. The pipe handling system of claim 13 wherein the link arm is laterally stabilized to rotate substantially in a plane.

22. The pipe handling system of claim 13 wherein the drive system includes a hydraulic cylinder selected to move the link arm in both a clockwise and a counterclockwise direction about its pivotal connection.

23. The pipe handling system of claim 13 further comprising a pipe elevator pivotally connected to the outboard end of link arm.

24. The pipe handling system of claim 23 wherein the pipe elevator is mechanized to open and close by a remote tool operator.

25. The pipe handling system of claim 13 wherein the link arm is fitted for anti-rotation relative to the rotational movement applied by the pipe gripping mechanism to a pipe gripped thereby.

26. The pipe handling system of claim 13 wherein the link arm is pivotally connected to a bracket on the pipe engaging apparatus, the bracket fitting to an anti-rotation bracket extending from the top drive.

27. A method for handling pipe in a rig, the rig including a rotary table, a top drive with a pipe engaging apparatus secured therebelow and a link arm on the pipe engaging apparatus and capable of pivoting relative to the pipe engaging apparatus, the method comprising:

using the link arm to pick up a pipe from a pipe supply, hoisting the top drive in the rig such that the pipe is rotated to a substantially vertical position while remaining engaged by the link arm, positioning a lower end of the pipe onto a joint positioned in the rotary table such that the pipe is supported thereby, slidably holding an upper portion of the pipe with the link arm, lowering the top drive until the upper portion of the pipe is engaged by the pipe engaging apparatus, driving the pipe to connect it to the joint, the link arm being fitted for anti-rotation relative to any rotational drive of the pipe engaging apparatus, lowering the pipe until it is supported in the rotary table and disengaging the pipe engaging apparatus from the pipe.

28. The method for handling pipe in a rig as in claim 27 further comprising substantially stabilizing the link arm against lateral movement while lowering the top drive until the upper portion of the pipe is engaged by the pipe engaging apparatus.

29. The method for handling pipe in a rig as in claim 27 further comprising driving the link arm in at least one of a clockwise or a counterclockwise direction to align the upper portion of the pipe with the pipe engaging apparatus.

30. A method for handling pipe in a rig, the rig including a rotary table, a top drive with a pipe engaging apparatus secured therebelow to define a main axis of the rig, the method comprising:

providing a link arm mounted by a pivotal connection to move with the top drive, the link arm driven to pivot about its pivotal connection through a plane of rotation at least between a lowered position and a raised position and substantially stabilized when in the lowered position against moving out of the plane of rotation, using the link arm to pick up a pipe from a pipe supply, hoisting the top drive in the rig such that the pipe is rotated to a substantially vertical position while remaining engaged by the link arm, positioning a lower end of the pipe section onto a joint positioned in the rotary table such that the pipe is supported thereby, slidably holding an upper portion of the pipe with the link arm, lowering the top drive until the upper portion of the pipe is engaged by the pipe engaging apparatus, driving the pipe to connect it to the joint, the link arm being fitted for anti-rotation relative to any rotational drive of the pipe engaging apparatus, lowering the pipe until it is supported in the rotary table and disengaging the pipe engaging apparatus from the pipe.

31. The method for handling pipe in a rig as in claim 30 further comprising substantially stabilizing the link arm against lateral movement while lowering the top drive.

32. The method for handling pipe in a rig as in claim 30 further comprising driving the link arm in at least one of a clockwise or a counterclockwise direction to align the upper portion of the pipe with the pipe engaging apparatus.

33. A well drilling and completion system for manipulating tubulars comprising:

a vertically movable power drive assembly for providing rotary movement in a well device, a longitudinally extending output shaft rotatably turned about its longitudinal axis by the power drive assembly and movable vertically therewith, a pipe gripping mechanism coupled to and driven by the output shaft, the pipe gripping mechanism having a lower end selected to grip and rotate an end of the tubular segment, at least one bail arm having upper and lower ends with the upper end pivotally carried by the pipe gripping mechanism, and a lifting elevator carried by the lower end of the bail arm, the bail arm being dimensioned with respect to the pipe gripping mechanism such that a top end of a tubular engaged by the lifting elevator is positioned below the lower end of the pipe gripping mechanism when the lifting elevator is aligned with the longitudinal axis.

34. The well drilling and completion system of claim 33 wherein the at least one bail includes a first bail and a second bail, each of the first bail and the second bail being rotatable at least between a lower position and a raised position and wherein rotation of the first bail and the second bail each define rotation planes that are substantially parallel to each other.

35. The well drilling and completion system of claim 33 further comprising a drive system to drive movement of the at least one bail.

36. The well drilling and completion system of claim 35 wherein the drive system includes a hydraulic cylinder connected to drive movement of the at feast one bail.

37. The well drilling and completion system of claim 33 wherein the link arm is fitted for anti-rotation relative to the rotational movement applied by the pipe gripping mechanism to a pipe gripped thereby.

38. The well drilling and completion system of claim 33 wherein the link arm is pivotally connected to a bracket on the pipe engaging apparatus, the bracket fitting to an anti-rotation bracket extending from the top drive.

39. A method for adding a tubular segment to a stump of a tubular string, the tubular segment having a shaft between top and bottom ends and female threads at the top end and male threads at the bottom end and the stump of the tubular string positioned in a wellbore secured by a rotary table of a drilling rig and the stump comprising female threads, the method comprising the steps of:

installing in a drilling rig a vertically moveable top drive which provides rotary movement to a longitudinally extending output shaft along the top drive longitudinal axis and moveable therewith;

coupling pipe engaging apparatus to the output shaft of the top drive;

pivotally coupling a pipe handling assembly to the pipe engaging apparatus, the pipe handling apparatus having a lifting elevator at a lower end of the apparatus;

lifting an upper end of the tubular segment with the lifting elevator by raising the top drive in the drilling rig and vertically positioning the top drive until the tubular segment is substantially vertically aligned with the stump of the tubular string;

lowering the top drive until the male threads of the tubular segment are set down in the female threads of the stump of the tubular string;

lowering the top drive to a position so that the pipe engaging apparatus grips the top end of the tubular segment while the lifting elevator slides down along and supports the shaft of the tubular segment in a substantially vertical position; and

rotating the top drive so that the pipe engaging apparatus rotates while gripping the tubular segment to connect the male threads of the tubular segment to the female threads of the stump of the string.

40. The method for adding a tubular segment to a stump of a tubular string as in claim 39 further comprising substantially stabilizing the pipe handling apparatus against lateral movement while lowering the top drive until the pipe engaging apparatus grips the top end of the tubular segment.

41. The method for adding a tubular segment to a stump of a tubular string as in claim 39 further comprising driving the lifting elevator to align the top end of the tubular segment with the pipe engaging apparatus.

42. The method for adding a tubular segment to a stump of a tubular string as in claim 39 wherein during the step of rotating the top drive to connect the male threads of the tubular segment to the female threads of the stump of the string, the pipe handling assembly is fitted for anti-rotation relative to any rotation of the top drive.

43. A pipe handling device for mounting onto a pipe engaging apparatus, the pipe engaging apparatus including a main body and a pipe gripping mechanism to grip a pipe for rotational and axial movement thereof and being connectable to a top drive, the pipe handling device comprising:

a bracket on the pipe engaging apparatus, the bracket including a channel key; and

a link arm having a first end pivotally connectable to the bracket and an outboard end pivotally connectable to a pipe elevator segment, the link arm being sized to present a pipe lifted by the pipe elevator segment into a position to be gripped by the pipe engaging apparatus.

44. The pipe handling device of claim 43 further comprising a drive system to drive the link arm about its pivotal connection on the bracket.

45. The pipe handling device of claim 43 further comprising an axle formed on the bracket and wherein the link arm is pivotally mounted on the axle.

46. The pipe handling device of claim 45 further comprising a second axle formed on the bracket and wherein the axles are spaced apart and axially aligned;

and a second link arm having a first end pivotally mounted on the second axle and an outboard end pivotally connectable to the pipe elevator segment.

47. The pipe handling device of claim 46 wherein the outboard ends are mounted to remain substantially equidistant from the pipe gripping mechanism.

48. The pipe handling device of claim 45 further comprising a drive system including a hydraulic cylinder to drive the link arm about the axle, the hydraulic cylinder connected between the link arm and a support offset horizontally from a vertical plane aligned with the long axis of the axle shaft.

49. The pipe handling device of claim 43 wherein the link arm is laterally stabilized to rotate substantially in a plane.

50. The pipe handling device of claim 43 further comprising a drive system including a hydraulic cylinder to drive the link arm about its pivotal connection on the bracket, the hydraulic cylinder selected to move the link arm in both a clockwise and a counterclockwise direction about its pivotal connection.

51. A pipe handling device for mounting onto a pipe engaging apparatus, the pipe engaging apparatus including a main body and a pipe gripping mechanism to grip a pipe for rotational and axial movement thereof and being connectable to a top drive, the pipe handling device comprising:

an axle supported on the pipe engaging apparatus;

a link arm having a first end pivotally connectable to the axle and an outboard end pivotally connectable to a pipe elevator segment, the link arm being sized to present a pipe lifted by the pipe elevator segment into a position to be gripped by the pipe engaging apparatus; and

a drive system including a hydraulic cylinder to drive the link arm about the axle, the hydraulic cylinder connected between the link arm and a support offset horizontally from a vertical plane aligned with the long axis of the axle shaft.

52. The pipe handling device of claim 51 further comprising a second axle supported on the pipe engaging apparatus and wherein the axle and the second axle are spaced apart and axially aligned;

and a second link arm having a first end pivotally mounted on the second axle and an outboard end pivotally connectable to the pipe elevator segment.

53. The pipe handling device of claim 52 wherein the outboard ends are mounted to remain substantially equidistant from the pipe gripping mechanism.

54. The pipe handling device of claim 51 wherein the link arm is laterally stabilized to rotate substantially in a plane.

55. A pipe handling device for mounting onto a pipe engaging apparatus, the pipe engaging apparatus including a main body and a pipe gripping mechanism to grip a pipe for rotational and axial movement thereof and being connectable to a top drive, the pipe handling device comprising:

a link arm having a first end pivotally connectable to the pipe engaging apparatus and an outboard end pivotally connectable to a pipe elevator segment, the link arm being sized to present a pipe lifted by the pipe elevator segment into a position to be gripped by the pipe engaging apparatus; and

a drive system including a hydraulic cylinder to drive the link arm about its pivotal connection on the pipe engaging apparatus, the hydraulic cylinder selected to move the link arm in both a clockwise and a counterclockwise direction about its pivotal connection.

56. The pipe handling device of claim 55 wherein the link arm is laterally stabilized to rotate substantially in a plane.

57. The pipe handling device of claim 55 further comprising a second link arm having a first end pivotally connectable to the pipe engaging apparatus and an outboard end pivotally connectable to the pipe elevator segment and the drive system further includes a second hydraulic cylinder to drive the second link arm about its pivotal connection on the pipe engaging apparatus, the second hydraulic cylinder selected to move the second link arm in both a clockwise and a counterclockwise direction about its pivotal connection.

58. The pipe handling device of claim 57 wherein the drive system maintains the outboard ends of the link arm and the second link arm substantially equidistant from the pipe gripping mechanism.

59. A pipe handling device for mounting onto a pipe engaging apparatus, the pipe engaging apparatus including a main body and a pipe gripping mechanism to grip a pipe for rotational and axial movement thereof and being connectable to a top drive, the pipe handling device comprising:

a link arm having a first end pivotally connectable to the pipe engaging apparatus and an outboard end pivotally connectable to a pipe elevator segment, the link arm being sized to present a pipe lifted by the pipe elevator segment into a position to be gripped by the pipe engaging apparatus and the link arm being fitted for anti-rotation relative to the rotational movement applied by the pipe gripping mechanism to a pipe gripped thereby.

60. The pipe handling device of claim 59 wherein the link arm is fitted for anti-rotation by including a key for fitting into an anti-rotation guide slot extending from the top drive.

61. The pipe handling device of claim 59 further comprising a drive system to drive the link arm about its pivotal connection.

62. The pipe handling device of claim 59 further comprising an axle supported on the pipe engaging apparatus and wherein the link arm is pivotally mounted on the axle.

63. The pipe handling device of claim 62 further comprising a drive system including a hydraulic cylinder to drive the link arm about the axle, the hydraulic cylinder connected between the link arm and a support offset horizontally from a vertical plane aligned with the long axis of the axle.

64. The pipe handling device of claim 63 wherein the hydraulic cylinder selected to move the link arm in both a clockwise and a counterclockwise direction about its pivotal connection.

65. The pipe handling device of claim 62 further comprising a second axle supported on the pipe engaging apparatus and wherein the axles are spaced apart and axially aligned;

and a second link arm having a first end pivotally mounted on the second axle and an outboard end pivotally connectable to the pipe elevator segment.

66. The pipe handling device of claim 65 wherein the outboard ends are mounted to remain substantially equidistant from the pipe gripping mechanism.

67. The pipe handling device of claim 59 wherein the link arm is laterally stabilized to rotate substantially in a plane.

68. The pipe handling device of claim 59 further comprising a bracket supported on the pipe engaging apparatus, the bracket fitting to an anti-rotation bracket extending from the top drive and wherein the link arm is pivotally connected to the bracket to achieve its pivotal connection on the pipe engaging apparatus.

69. A pipe handling device for mounting onto a pipe engaging apparatus, the pipe engaging apparatus including a main body and a pipe gripping mechanism to grip a pipe for rotational and axial movement thereof and being connectable to a top drive, the pipe handling device comprising:

a bracket on the pipe engaging apparatus, the bracket fitting to an anti-rotation bracket extending from the top drive; and

a link arm having a first end pivotally connectable to the bracket and an outboard end pivotally connectable to a pipe elevator segment, the link arm being sized to present a pipe lifted by the pipe elevator segment into a position to be gripped by the pipe engaging apparatus.

70. The pipe handling device of claim 69 wherein the bracket is fitted for anti-rotation by including a key for fitting into an anti-rotation guide slot extending from the top drive.