CA2563938A1 - Top drive - Google Patents

Top drive Download PDF

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Publication number
CA2563938A1
CA2563938A1 CA002563938A CA2563938A CA2563938A1 CA 2563938 A1 CA2563938 A1 CA 2563938A1 CA 002563938 A CA002563938 A CA 002563938A CA 2563938 A CA2563938 A CA 2563938A CA 2563938 A1 CA2563938 A1 CA 2563938A1
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CA
Canada
Prior art keywords
top drive
seal
tubular
quill
clamping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002563938A
Other languages
French (fr)
Other versions
CA2563938C (en
Inventor
Robert Alden Folk
Steven Lorne Folk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varco IP Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/862,787 external-priority patent/US7188686B2/en
Application filed by Individual filed Critical Individual
Priority to CA2634534A priority Critical patent/CA2634534C/en
Priority to CA2634533A priority patent/CA2634533C/en
Publication of CA2563938A1 publication Critical patent/CA2563938A1/en
Application granted granted Critical
Publication of CA2563938C publication Critical patent/CA2563938C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
    • E21B19/164—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/022—Top drives

Abstract

A top drive for wellbore operations, the top drive comprising an alternating current permanent magnet motor (30) having a bore therethrough, a planetary gear apparatus (20) coupled to the alternating current permanent magnet motor (30), the planetary gear apparatus (20) having a bore therethrough, the bore through the alternating current permanent magnet motor (30) substantially aligned with the bore through the planetary gear apparatus (20) so that fluid is flowable therethrough, the top drive further comprising a quill (50) drivingly connected to the planetary gear apparatus to rotate the quill.

Claims (125)

1. A top drive for wellbore operations, the top drive comprising an alternating current permanent magnet motor (30) having a bore therethrough, a planetary gear apparatus (20) coupled to the alternating current permanent magnet motor (30), the planetary gear apparatus (20) having a bore therethrough, the bore through the alternating current permanent magnet motor (30) substantially aligned with the bore through the planetary gear apparatus (20) so that fluid is flowable therethrough, the top drive further comprising a quill (50) drivingly connected to the planetary gear apparatus to rotate the quill.
2. A top drive as claimed in Claim 1, wherein the alternating current permanent magnet motor (30) is arranged above the planetary gear apparatus (20).
3. A top drive as claimed in Claim 1 or 2, further comprising a support arrangement (12,14,16,18) for supporting the alternating current permanent magnet motor (30) and the planetary gear apparatus (20), the support arrangement (12,14,16,18) comprising a swivel body (12), a suspension member (16,18) above the permanent magnet motor, at least one link arranged between the swivel body (12) and the suspension member (16,18).
4. A top drive as claimed in Claim 3, wherein two links are arranged between the swivel body (12) and the suspension member (16,18).
5. A top drive as claimed in Claim 3 or 4, wherein said at least one link is provided with an opening (14c) therethrough for receiving a pin or ear (13), said opening (14c) oversized to allow a degree of vertical movement.
6. A top drive as claimed in Claim 3, 4 or 5, wherein the suspension member comprises a block (420) having sheaves (434) and a becket (303) rigidly fixed thereto, the sheaves connectable to a rope to a derrick of a rig and the becket connected to said at least one link.
7. A top drive as claimed in Claim 6, wherein the becket (303) is selectively securable to the travelling block in a plurality of positions.
8. A top drive as claimed in any of Claim 3 to 6, further comprising a weight compensation device (114,116) arranged between the becket (16,18) and the swivel body (12) for compensating for the weight of the top drive and a tubular to be stabbed during a stabbing operation to inhibit damage to tubulars.
9. A top drive as claimed in Claim 8, wherein the weight compensation device (114,116) comprises a hydraulic piston and cylinder (114) and an accumulator (116).
10. A top drive as claimed in any of Claim 3 to 9, wherein the swivel body (12) has an interior, a main bearing (57) disposed within the interior, the quill (50) having a flange (54) resting on and rotatable on the main bearing (57).
11. A top drive as claimed in any of Claim 3 to 10, further comprising a load sleeve (170) retained by the swivel body (12), the quill (50) rotatable within said load sleeve (170), a load collar (70) positioned around the load sleeve (170) and supported thereby, at least one bail (72) depending from the load collar (70) and an elevator (74) for selectively receiving and holding a tubular, the elevator (74) supported by the at least one bail.
12. A top drive as claimed in Claim 11, further comprising a tilt apparatus (120) for tilting the at least one bail (72), the tilt apparatus (120) arranged to rotate the bails about the load collar (70) for tilting the at least one bail (72) central line extending down through a centre of the permanent magnet (30) through a centre of the planetary gear apparatus (20), through a centre of the quill (50), said centres aligned.
13. A top drive as claimed in Claim 12, wherein the tilt apparatus (120) comprises a clamp (126) on said at least one bail, the clamp (126) having two roller pins (127) between which a portion of the at least one bail (72) movable to facilitate movement of the bail (72) with respect to the clamps (126).
14. A top drive as claimed in Claim 13,wherein said two roller pins (127) are mounted with mounting plates having offset holes for mounting the roller pins (127) so that reversing the mounting plates changes the distance between the roller pins (127) to accommodate a bail (72) of different widths.
15. A top drive as claimed in any preceding claim, further comprising a clamping apparatus (100) rotatably arranged on the top drive, the clamping apparatus (100) for selectively clamping a tubular.
16. A top drive as claimed in Claim 15 when dependent on claim 11 or 12, wherein the load collar (70) is freely rotatably disposed, the clamping apparatus (100) disposed between the two bails (72).
17. A top drive as claimed in Claim 16, wherein the clamping apparatus (100) comprises at least one two jaw (293) for selective receipt therebetween of a tubular to be clamped therebetweeen.
18. A top drive as claimed in Claim 17, wherein said at least one jaw comprises a piston movable within a cylinder toward and away from a tubular to be clamped.
19. A top drive as claimed in Claim 15, 16 or 17, wherein the clamping apparatus (100) further comprises at least one telescopic leg (283,285).
20. A top drive as claimed in Claim 19, wherein the clamping apparatus (100) comprises at least two spaced-apart telescopic legs.
21. A top drive as claimed in Claim 16, further comprising at least one further motor
22. A top drive as claimed in any of Claims 15 to 21, further comprising electrical power generating apparatus (240) connected to the clamping apparatus (100) for providing electrical power.
23. A top drive as claimed in any of Claims 15 to 22, further comprising a hydraulic manifold (400), a plurality of directional control valves (260) for control hydraulic fluid flow in a plurality of corresponding flow lines, the plurality of corresponding flow lines including flow lines for providing hydraulic fluid to power apparatus below the clamping system.
24. A top drive as claimed in Claims 19 and 23, wherein the hydraulic manifold (400) and the plurality of directional control valves (260) are arranged on the at least on telescopic leg (283,285).
25. A top drive as claimed in any of dependent on Claim 11 and 24, wherein the load sleeve (170) has fluid conducting channels (170a) and the apparatus further comprises a rotating head (80) connected to the load sleeve (170) for receiving fluid from the load sleeve's fluid conducting channels (170a) and for conveying said fluid to the lower hydraulic manifold, and the rotating head (80) rotatable with the clamping apparatus (100).
26. A top drive as claimed in any of Claims 15 to 25, further comprising a selective locking mechanism (60) secured to the swivel body (12) for selectively locking the clamping apparatus (100) preventing its rotation while the quill (50) is allowed to rotate.
27. A top drive as claimed in any preceding claim, further comprising a mud saver apparatus (90) releasably connected to the quill (50).
28. A top drive as claimed in any preceding claim, further comprising a saver sub (290).
29. A top drive as claimed in any preceding claim, further comprising a spacer plate (22) between the alternating current permanent magnet motor (30) and the planetary gear apparatus (20), the spacer plate (22) having a bearing recess (22a), and a bearing in the bearing recess for facilitating rotation of the quill (50).
30. A top drive as claimed in any preceding claim, further comprising an access platform (130) pivotably connected at a lower end to the swivel body (12), the access platform (130) with a platform portion (132) pivotable to a generally horizontal position so that personnel on the access platform (130) can access components of the top drive.
31. A top drive as claimed in any preceding claim, further comprising an extension mechanism (98) for moving the top drive horizontally.
32. A top drive as claimed in Claim 31, wherein the extension mechanism (98) has an opening through which a tubular stand is movable while the extension mechanism (98) with the top drive connected thereto moves with respect to the tubular stand.
33. A top drive as claimed in any preceding claim, further comprising a disc brake system (40) arranged above the drive motor (30).
34. An apparatus for use in a top drive for releasably holding a tubular, the apparatus comprising at least two opposed clamping apparatuses (280), spaced-apart for selective receipt of a tubular to be clamped therebetweeen, each of the two opposed clamping apparatuses having a mount (293) and a piston (281) movable within the mount (293), the piston (281) selectively movable toward and away from a tubular to be clamped, two spaced-apart telescopic legs (283,285) which in use depend from a part of the top drive, the telescopic legs (283,285) for moving the at least two opposed clamping apparatus (280) in a substantially vertical plane.
35. An apparatus as claimed in Claim 34, wherein the two opposed clamping apparatuses (280) are releasably connected together with connection apparatus (291,294) so that either or both connection apparatuses are disconnectible.
36. An apparatus as claimed in Claim 34, wherein each connection apparatus comprises a plurality of spaced-apart intermeshing lugs (294) with holes (295) therein and a pin (291) removably insertable through said holes.
37. An apparatus as claimed in Claim 34, 35 or 36, wherein the two telescopic legs (283,285) have a non-circular cross-section.
38. An apparatus as claimed in any of Claims 34 to 36, further comprising spring apparatus (286) within each telescopic leg (283,285) for compensating for movement of a tubular clamped by the apparatus.
39. An apparatus as claimed in any of Claims 34 to 38, further comprising a piston and cylinder (282,286b) in each telescopic leg (283,285), the cylinder (286b) with a vacuum therein and as a piston (282) extensible from and retractable within the hollow cylinder (286b), the piston and (282,286b) providing compensation for movement of the member clamped by the clamping apparatus.
40. An apparatus as claimed in any of Claims 34 to 39, wherein the telescopic legs (283,285) each comprise an outer leg portion (283) and an inner leg portion (285) further comprising a chain connection structure (314a) on each outer leg portion (283) and each inner leg portion (285) to which a chain is connectible to prevent separation of the outer leg portion (283) from the inner leg portion (285).
41. An apparatus as claimed in any of Claims 34 to 40, further comprising guide apparatus (312) secured to and below the two opposed clamping apparatuses (293) for guiding a tubular between the two opposed clamping apparatuses (293) .
42. An apparatus as claimed in Claim 41, wherein the guide apparatus (312) is releasably connected to at least one of the two opposed clamping apparatuses.
43. An apparatus as claimed in any of Claims 34 to 42 further comprising generator apparatus (240) connected to one of the two legs for generating electrical power.
44. An apparatus as claimed in any of Claims 34 to 43, further comprising a hydraulic fluid manifold (400) connected to at least one of the two telescopic legs (283,285) for receiving hydraulic fluid from an hydraulic fluid source and for providing hydraulic fluid for releasably clamping and holding a member for wellbore operations.
45. An apparatus as claimed in Claim 44, wherein the hydraulic fluid manifold (400) includes a plurality of hydraulic fluid conduits and a plurality of controllable valves (260) for selectively controlling fluid flow in each hydraulic fluid conduit.
46. An apparatus as claimed in Claim 41, further comprising generator apparatus (240) connected to at least one of the two legs (283,285) for generating electrical power, and controller apparatus on one of the two legs in communication with the controllable valves (260) for controlling the controllable valves.
47. An apparatus as claimed in Claim 46, wherein controller apparatus includes digital signal processing apparatus and an antenna for communicating with the controller apparatus from a location spaced-apart from the apparatus for releasably clamping and holding a tubular for wellbore operations.
48. An apparatus as claimed in any of Claims 34 to 47, further comprising each piston (281) comprises a die holder (299) and die apparatus (301) for engaging the tubular member.
49. An apparatus as claimed in any of Claims 34 to 47, wherein each housing (293) has a cylinder (292) lining the housing (293), the piston (281) slideably arranged in the cylinder (292).
50. An apparatus as claimed in any of Claims 34 to 49, further comprising a connection structure (285g, 285l) on each of the two telescopic legs (283,285) for connecting the apparatus to the top drive.
51. An apparatus as claimed in Claim 50, wherein the connection structure (285g,285l) provides a pivotable connection of each telescopic leg at its upper end for pivoting the two telescopic legs apart from each other.
52. An apparatus as claimed in any of Claims 34 to 51, wherein the two legs further comprise an anti-rotation structure for receiving part of an adjacent apparatus and releasably holding said part so that said adjacent apparatus is rotatable simultaneously with the apparatus for releasably clamping and holding a member for wellbore operations.
53. A top drive comprising a drive motor and an apparatus as claimed in any of claims 34 to 52.
54. A method for gripping an item, the method comprising positioning the item within a main body of an apparatus, the apparatus comprising a main body, two opposed clamping apparatuses in the main body, the two opposed clamping apparatuses spaced-apart for selective receipt therebetween of a member to be clamped therebetweeen, each of the two opposed clamping apparatuses having a mount and piston apparatus movable within the mount, the piston apparatus selectively movable toward and away from a member to be clamped, two legs, the legs spaced-apart and each leg with an upper end and a lower end, each lower end connected to the main body, each leg comprising an outer leg portion and an inner leg portion, the inner leg portion having part thereof movable within the outer leg portion to provide a range of up/down movement for the main body, wherein the member for wellbore operations is a tubular member, and each piston apparatus including a piston and a die holder secured to an outer end of the piston, and die apparatus on the die holder for engaging the tubular member, each mount having a liner removably disposed therein, each piston movable within a corresponding liner, and moving the pistons so that the die apparatus engages the item to be gripped thereby gripping the item.
55. A method in accordance with Claim 54, further comprising the step of rotating the apparatus thereby rotating the item gripped by the apparatus.
56. A top drive comprising a drive motor (30), and a support apparatus (70) and tubular handling apparatus (74,100) connected to and below and supported by the support apparatus (70), the tubular handling apparatus (74,100) including hydraulic-fluid-powered apparatus on or below the tubular handling apparatus (74,100), provision apparatus (400) connected to the tubular handling apparatus (74,100) for providing hydraulic fluid to power the hydraulic-fluid-powered apparatus, the provision apparatus including flow line apparatus for providing hydraulic fluid to the hydraulic-fluid-powered apparatus and electrically-operable control apparatus (250) for controlling fluid flow to and from the flow line apparatus, and electrical power generating apparatus (240) connected to the tubular handling apparatus for providing electrical power to the electrically-operable control apparatus (250).
57. A top drive as claimed in Claims 56, further comprising a gear apparatus (20), a drive quill (50) coupled to the gear apparatus (20) and a suspension arrangement (12,14,16,18).
58. A top drive as claimed in Claims 57, wherein the tubular handling apparatus (74,100) includes clamping apparatus (100) for clamping an item, the clamping apparatus (100) powered by hydraulic fluid from the provision apparatus (400).
59. A top drive as claimed in Claims 57 or 58, wherein the clamping apparatus (100) is rotatable with respect to the drive motor, the support apparatus (70) including a locking mechanism (60) for selectively locking the tubular handling apparatus (74,100) in position, the locking mechanism (60) comprising driving apparatus (190) for rotating the clamping apparatus (100), the drive quill (50) rotatable by the gear apparatus (20) with the clamping apparatus (100) locked in position by the locking mechanism (60).
60. A top drive as claimed in any of Claims 56 to 59, wherein the electrically-operable control apparatus (250) includes a plurality of selectively operable control valves (260) which selectively control flow of hydraulic fluid to apparatuses below the support apparatus (70).
61. A top drive as claimed in any of Claims 56 to 60, wherein the apparatuses below the lower support apparatus include clamping apparatus (100) for clamping an item, elevator (74) for supporting an item, and link-tilt apparatus (120) for moving the elevator (74) at an angle to the support apparatus (70).
62. A top drive as claimed in any of Claims 56 to 61, wherein the clamping appapratus comprises at least two opposed clamping apparatuses (280), spaced-apart for selective receipt of a tubular to be clamped therebetweeen, each of the two opposed clamping apparatuses having a mount (293) and a piston (281) movable within the mount (293), the piston (281) selectively movable toward and away from a tubular to be clamped, two spaced-apart telescopic legs (283,285) which in use depend from a part of the top drive, the telescopic legs (283,285) for moving the at least two opposed clamping apparatus (280) in a substantially vertical plane.
63. A top drive as claimed in Claim 62, further comprising a piston and cylinder (282,286b) in each telescopic leg (283,285) with a first part thereof connected to the upper end and a second part thereof connected to the lower end, each piston and cylinder (282,286b) wherein the cylinder (282) has a vacuum therein and the piston (286b) is extensible from and retractable within the cylinder (282), the piston and cylinder (282,286b) providing compensation for movement of the tubular clamped by the clamping apparatus, fluid to power the piston and cylinder (282,286b) provided by the provision apparatus (400).
64. A top drive as claimed in Claim 62 or 63, wherein the generator apparatus (240) for generating electrical power is connected to one of the two telescopic legs (283,285).
65. A top drive as claimed in Claim 64, wherein the provision apparatus (400) comprises a hydraulic fluid manifold (400) connected to one of the two telescopic legs (283,285) for receiving hydraulic fluid from an hydraulic fluid source and for providing hydraulic fluid to the generator apparatus (240) to power the generator apparatus.
66. A top drive as claimed in Claim 65, wherein the hydraulic fluid manifold (400) includes a plurality of hydraulic fluid conduits (688) and a plurality of controllable valves (250) for selectively controlling fluid flow in each hydraulic fluid conduit.
67. A top drive as claimed in any of Claims 62 to 66, further comprising a rotating head (80) connected to and between the two telescopic legs (283,285), the rotating head (80) for receiving hydraulic fluid from a fluid supply and for providing said hydraulic fluid to power the generator (240).
68. A top drive as claimed in Claim 67, wherein the rotating head (80) provides hydraulic fluid for the plurality of controllable valves (250).
69. A top drive as claimed in any of Claims 56 to 68 wherein the drive motor is an alternating current permanent magnet motor (30) having a bore therethrough, a planetary gear apparatus (20) coupled to the alternating current permanent magnet motor (30), the planetary gear apparatus (20) having a bore therethrough, the bore through the alternating current permanent magnet motor (30) substantially aligned with the bore through the planetary gear apparatus (20) so that fluid is flowable therethrough, the top drive further comprising a quill (50) drivingly connected to the planetary gear apparatus to rotate the quill.
70. A top drive as claimed in any of Claims 56 to 68, wherein the suspension arrangement (12,14,16,18) comprises a swivel body (12), a suspension member (16,18) above the permanent magnet motor, at least one link arranged between the swivel body (12) and the suspension member (16,18).
71. A top drive as claimed in Claim 70, wherein two links are arranged between the swivel body (12) and the suspension member (16,18).
72. A top drive as claimed in Claim 70 or 71, wherein said at least one link is provided with an opening (14c) therethrough for receiving a pin or ear (13), said opening (14c) oversized to allow a degree of vertical movement.
73. A top drive as claimed in Claim 70, 71 or 72, wherein the suspension member comprises a block (420) having sheaves (434) and a becket (303) rigidly fixed thereto, the sheaves connectable to a rope to a derrick of a rig and the becket connected to said at least one link.
74. A top drive as claimed in Claim 73, wherein the becket (303) is selectively securable to the travelling block in a plurality of positions.
75. A top drive as claimed in any of Claim 70 to 74, further comprising a weight compensation device (114,116) arranged between the becket (16,18) and the swivel body (12) for compensating for the weight of the top drive and a tubular to be stabbed during a stabbing operation to inhibit damage to tubulars.
76. A top drive as claimed in Claim 75, wherein the weight compensation device (114,116) comprises a hydraulic piston and cylinder (114) and an accumulator (116).
77. A top drive as claimed in any of Claim 70 to 76, wherein the swivel body (12) has an interior, a main bearing (57) disposed within the interior, the quill (50) having a flange (54) resting on and rotatable on the main bearing (57).
78. A top drive as claimed in any of Claim 70 to 76 further comprising a load sleeve (170) retained by the swivel body (12), the quill (50) rotatable within said load sleeve (170), a load collar (70) positioned around the load sleeve (170) and supported thereby, at least one bail (72) depending from the load collar (70) and an elevator (74) for selectively receiving and holding a tubular, the elevator (74) supported by the at least one bail.
79. A top drive as claimed in any of Claims 56 to 78, further comprising an access platform (130) pivotably connected at a lower end to the swivel body (12), the access platform (130) with a platform portion (132) pivotable to a generally horizontal position so that personnel on the access platform (130) can access components of the top drive.
80. A top drive as claimed in any of Claims 56 to 79, further comprising an extension mechanism (98) for moving the top drive horizontally.
81. A top drive as claimed in Claim 80, wherein the extension mechanism (98) has an opening through which a tubular stand is movable while the extension mechanism (98) with the top drive connected thereto moves with respect to the tubular stand.
* * *
82. A containerized apparatus comprising a container (160), top drive (1) removably disposed within the container (160), an extension mechanism (98) for moving the top drive (1) generally horizontally within a derrick, the top drive (1) secured to the extension mechanism (98), the extension mechanism (98) removably disposed within the container (160) with the top drive (1), a track (82) for the top drive (1) to move in a vertical plane in use in a derrick, the track comprised of multiple track parts connectible together, a skid (600) for retaining the top drive during transit, a part of the skid (600) forming at least one track part.
83. A containerized apparatus as claimed in Claim 82, the track (82) further comprising at least one first compartment (162) for removably storing the multiple track parts (630), the multiple track parts (630) removably located in the at least one first compartment (162), and the multiple track parts assembleable outside the container (160) to include the multiple track parts and the at least one skid track part with the extension mechanism (98) movable along the track with the top drive (1).
84. A containerized apparatus as claimed in Claim 82 or 83, wherein the multiple track parts (630) include at least one length-adjustable track part (630) so that the track is installable in derricks of different height.
85. A containerized apparatus as claimed in Claim 84, wherein the top drive apparatus includes a motor, a gear system, and tubular handling apparatus, the tubular handling apparatus including an elevator for selective holding a tubular and links to connect the elevator to the top drive apparatus, the motor, gear system and tubular handling apparatus removably disposed within the container.
86. A containerized apparatus as claimed in any of Claims 82 to 85, wherein the skid track part (82,630) has fork lift pockets (82e) for receiving fork lift projections.
87. A containerized apparatus as claimed in any of Claims 82 to 86, wherein at least one of the multiple track parts (82,630) has fork lift pockets for receiving fork lift projections.
88. A containerized apparatus as claimed in any of Claims 82 to 87, wherein all of the multiple track parts (82, 630) have fork lift pockets (82e) for receiving fork lift projections.
89. A containerized apparatus as claimed in any of Claims 82 to 88, wherein the top drive (1) includes an access platform (130) pivotably connected to a part of the top drive (1), the access platform (130) having a top end releasably connected to the top drive (1), upon release of the top end of the access platform (130) the access platform (130) pivotable from a position generally aligned with the apparatus to a position generally normal thereto so that the access platform (130) provides a platform on which a person can stand to access part of the apparatus, the access platform removably located within the container with the apparatus.
90. A containerized apparatus as claimed in any of Claims 82 to 89, further comprising a suspension apparatus (12,14,16,18) removably located within the container (160), the suspension apparatus (12,14,16,18) connected to the top drive, the suspension apparatus for suspending the top drive apparatus in a derrick.
91. A containerized apparatus as claimed in Claim 90, wherein the suspension apparatus includes a travelling block, a hook connectable to the travelling block, and a becket connectable to the top drive apparatus and to the hook.
92. A containerized apparatus as claimed in any of Claims 82 to 91, wherein the suspension apparatus (12,14,16) includes a block (420) and a becket (303), the becket (303) directly connected to the block (420).
93. A containerized apparatus as claimed in Claim 92, wherein the becket (303) is selectively rotatable with respect to the block (420) and is securable to the block (420) in a chosen non-rotating position.
94. A containerized apparatus as claimed in any of Claims 82 to 93, wherein the track (82,630) is connectible to a derrick and is suitable for reacting torque generated by the top drive apparatus to the derrick.
95. A containerized apparatus as claimed in any of Claims 82 to 86, further comprising a control system in the container operable by personnel in the container to control the apparatus when the apparatus is removed from the container and located in a derrick for operation.
96. A containerized apparatus as claimed in any of Claims 82 to 86, further comprising a power system within the container (160) for providing power to operate at least part of the top drive (1).

96. A containerized apparatus as claimed in Claim 95, wherein the power system provides hydraulic power.
97. A containerized apparatus as claimed in Claim 96, further comprising a reservoir within the container holding hydraulic fluid used by the power system for providing hydraulic power to the apparatus.
98. A containerized apparatus as claimed in any of Claims 82 to 97, further comprising a cooling system (532) within the container (160) for providing cooling to the apparatus.
99. A containerized apparatus as claimed in any of Claims 82 to 86, wherein the top drive (1) has an alternating current permanent magnet motor (30) having a bore therethrough, a planetary gear apparatus (20) coupled to the alternating current permanent magnet motor (30), the planetary gear apparatus (20) having a bore therethrough, the bore through the alternating current permanent magnet motor (30) substantially aligned with the bore through the planetary gear apparatus (20) so that fluid is flowable therethrough, the top drive further comprising a quill (50) drivingly connected to the planetary gear apparatus to rotate the quill.
100. A containerised apparatus as claimed in any of Claims 82 to 99, wherein the extension mechanism (98) has an opening through which a tubular stand is movable while the extension mechanism (98) with the top drive connected thereto moves with respect to the tubular stand.
101. An apparatus for wellbore operations, the apparatus comprising a derrick (140), a guide beam (82,630) connected to the derrick (140), a top drive (1) movable on the guide beam (82,630), a torque reaction structure (600) connected to the guide beam (82,630), and skid apparatus (620) held by the torque reaction structure (600), the skid apparatus (620) movable vertically with respect to the torque reaction structure (600) to inhibit a vertical load from passing from the skid apparatus to the torque reaction structure.
102. An apparatus as claimed in Claim 101, wherein the derrick (140) includes a rig floor, the guide beam (82,630) has a topmost part, the topmost part comprising an outer part and an inner part movable within the outer part, and the inner part (640) and outer part (632) selectively connectible at a plurality of different locations to provide length adjustability to the guide beam so that position of the guide beam (82,630) with respect to the rig floor is adjustable.
103. An apparatus as claimed in Claim 102, further comprising a first shackle (644) connected to the derrick (140), a second shackle (646) connected to the first shackle and to the inner part (640) of the topmost part of the guide beam (630) to inhibit torque transfer between the topmost part and the derrick.
104. An apparatus as claimed in Claim 103, further comprising at least one secondary shackle connected to the outer part of the topmost part (630) for providing an attachment for a cable, the cable connectible to the derrick (140).
105. An apparatus as claimed in any of Claims 101 to 104, wherein the wellbore operations are done at a well, the well having a well centre, and wherein the torque reaction structure includes a frame (600) movable with respect to the guide beam (82,630) toward and away from the well centre.
106. An apparatus as claimed in any of Claims 101 to 105, wherein the top drive (1) comprises a load collar (70), an elevator (74), two bails (700) each with upper ends connected to the load collar (70) and lower ends connected to the elevator (74), each bail (700) comprising an outer body (701) with an end eye (703) and an inner body (702) with an end eye (704), the inner body (702) movable within the outer body (701) to adjust length of the bail (700), and the inner body (702) selectively connectible to the outer body (701) at a plurality of locations to provide length adjustability of the bails.
107. An apparatus as claimed in any of Claims 101 to 106, wherein the top drive (1) comprises a gear apparatus (20) and a gear collar (194) wherein the gear collar and the load collar are a single integral piece.
108. An apparatus as claimed in any of Claims 101 to 107, wherein the top drive (1) includes a top drive motor (30) and a quill (50), and a brake apparatus (40) for braking the quill (50), the brake apparatus (40) having a brake hub (41) about the quill (50), the apparatus further comprising seal apparatus (650) within the brake hub (41) for sealing a quill/brake hub interface, the seal apparatus comprising a body with a first part (651a) and a second part (651b), the first part (651a) rotatable with the quill (50), the second part (651b) with the top drive motor (30), and an absorbent seal member (660) between the first part (651a) of the seal apparatus and the second part (651b) of the seal apparatus, the absorbent seal member (660) located so that force on it during rotation forces lubricating fluid out of the absorbent seal member (660), the absorbent seal member (660) sealing an interface between the first part (651a) and the second part (651b).
109. An apparatus as claimed in any of Claims 101 to 108, wherein the top drive (1) has a drive motor (30) and includes a gear apparatus (20) with a sun gear (690), the gear apparatus (20) located beneath the drive motor (30), the apparatus further comprising a seal apparatus (661) for selectively engaging the sun gear (690) to seal off a pathway from the gear apparatus (20) to the drive motor (30).
110. An apparatus as claimed in Claim 109, wherein the seal apparatus (661) including a seal (664), a seal support (662) supporting the seal (664) movably disposed within or on a body (670) such that the seal (664) engages the sun gear (690) to seal off the pathway, the seal support (662) movable by fluid under pressure applied to the seal support (662), and resilient apparatus (672) urging the seal support (662) so that the seal contacts the sun gear (690) to seal off the pathway when insufficient or no fluid under pressure is applied to the seal support (662).
111. An apparatus as claimed in Claim 110, wherein the resilient apparatus (672) comprises a spring.
112. An apparatus as claimed in any of Claims 101 to 111, wherein the top drive comprises an alternating current permanent magnet motor (30) having a bore therethrough, a planetary gear apparatus (20) coupled to the alternating current permanent magnet motor (30), the planetary gear apparatus (20) having a bore therethrough, the bore through the alternating current permanent magnet motor (30) substantially aligned with the bore through the planetary gear apparatus (20) so that fluid is flowable therethrough, the top drive further comprising a quill (50) drivingly connected to the planetary gear apparatus to rotate the quill.
113. An apparatus as claimed in any of Claims 101 to 112, wherein the top drive (1) comprises a suspension arrangement (12,14,16,18) having a swivel body (12), a suspension member (16,18) above the permanent magnet motor, at least one link arranged between the swivel body (12) and the suspension member (16,18).
114. A top drive as claimed in Claim 113 further comprising a load sleeve (170) retained by the swivel body (12), the quill (50) rotatable within said load sleeve (170), a load collar (70) positioned around the load sleeve (170) and supported thereby, at least one bail (72) depending from the load collar (70) and an elevator (74) for selectively receiving and holding a tubular, the elevator (74) supported by the at least one bail.
115. An apparatus as claimed in any of Claims 101 to 114, wherein the top drive (1) further comprises an access platform (130) pivotably connected at a lower end to the swivel body (12), the access platform (130) with a platform portion (132) pivotable to a generally horizontal position so that personnel on the access platform (130) can access components of the top drive.
116. An apparatus as claimed in any of Claims 101 to 114, further comprising an extension mechanism (98) for moving the top drive horizontally.
117. A top drive as claimed in Claim 116, wherein the extension mechanism (98) has an opening through which a tubular stand is movable while the extension mechanism (98) with the top drive connected thereto moves with respect to the tubular stand.
118. An apparatus for wellbore operations, the apparatus comprising a guide beam (630) connectible to a derrick with a rig floor, the guide beam (630) including a topmost part, the topmost part comprising an outer part (632) and an inner part (640) movable within the outer part (632), and the inner part (640) and outer part (632) selectively connectible at a plurality of different locations to provide length adjustability to the guide beam (630) so that position of the guide beam (630) with respect to the rig floor is adjustable.
119. An apparatus as claimed in Claim 118, further comprising a first shackle (644) connected to the derrick (140), a second shackle (646) connected to the first shackle and to the inner part (640) of the topmost part of the guide beam (630) to inhibit torque transfer between the topmost part and the derrick.
120. An apparatus as claimed in Claim 119, further comprising at least one secondary shackle connected to the outer part of the topmost part (630) for providing an attachment for a cable, the cable connectible to the derrick (140).
121. An apparatus for wellbore operations, the apparatus comprising a derrick (140), a top drive (1) movably connected to the derrick (140), a connector (70) below the top drive, elevator (74), two bails (700) each with upper ends connected to the connector (70) and lower ends connected to the elevator (74), each bail (700) comprising an outer body (701) with an end eye (703) and an inner body (702) with an end eye (704), the inner body (702) movable within the outer body (701) to adjust length of the bail (700), and the inner body (702) selectively connectible to the outer body (701) at a plurality of locations to provide length adjustability of the bails.
122. A top drive comprising drive motor (30) and a quill (50), and a brake apparatus (40) for braking the quill (50), the brake apparatus (40) having a brake hub (41) about the quill (50), the apparatus further comprising seal apparatus (650) within the brake hub (41) for sealing a quill/brake hub interface, the seal apparatus comprising a body with a first part (651a) and a second part (651b), the first part (651a) rotatable with the quill (50), the second part (651b) with the top drive motor (30), and an absorbent seal member (660) between the first part (651a) of the seal apparatus and the second part (651b) of the seal apparatus, the absorbent seal member (660) located so that force on it during rotation forces lubricating fluid out of the absorbent seal member (660), the absorbent seal member (660) sealing an interface between the first part (651a) and the second part (651b).
123. A top drive (1) comprising a drive motor (30) and includes a gear apparatus (20) with a sun gear (690), the gear apparatus (20) located beneath the drive motor (30), the apparatus further comprising a seal apparatus (661) for selectively engaging the sun gear (690) to seal off a pathway from the gear apparatus (20) to the drive motor (30).
124. A top drive as claimed in Claim 123, wherein the seal apparatus (661) including a seal (664), a seal support (662) supporting the seal (664) movably disposed within or on a body (670) such that the seal (664) engages the sun gear (690) to seal off the pathway, the seal support (662) movable by fluid under pressure applied to the seal support (662), and resilient apparatus (672) urging the seal support (662) so that the seal contacts the sun gear (690) to seal off the pathway when insufficient or no fluid under pressure is applied to the seal support (662).
125. A top drive as claimed in Claim 110, wherein the resilient apparatus (672) comprises a spring.
CA2563938A 2004-06-07 2005-06-07 Top drive Expired - Fee Related CA2563938C (en)

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US10/862,787 US7188686B2 (en) 2004-06-07 2004-06-07 Top drive systems
US10/862,787 2004-06-07
US10/870,700 US7222683B2 (en) 2004-06-07 2004-06-16 Wellbore top drive systems
US10/870,700 2004-06-16
US10/872,337 US7228913B2 (en) 2004-06-07 2004-06-18 Tubular clamp apparatus for top drives and methods of use
US10/872,337 2004-06-18
US10/877,949 US7231969B2 (en) 2004-06-07 2004-06-24 Wellbore top drive power systems and methods of use
US10/877,949 2004-06-24
US11/140,462 2005-05-28
US11/140,462 US7320374B2 (en) 2004-06-07 2005-05-28 Wellbore top drive systems
PCT/GB2005/050085 WO2005121493A2 (en) 2004-06-07 2005-06-07 Top drive

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EP1961912A1 (en) 2008-08-27
WO2005121493A9 (en) 2006-12-21
NO20064773L (en) 2006-12-27
EP1753932B1 (en) 2009-02-25
EP1961912B1 (en) 2010-04-21
CA2563938C (en) 2010-11-09
EP1961913A1 (en) 2008-08-27
WO2005121493A3 (en) 2006-05-04
US20050274508A1 (en) 2005-12-15
EP1753932A2 (en) 2007-02-21
WO2005121493A2 (en) 2005-12-22
NO333216B1 (en) 2013-04-15
US7320374B2 (en) 2008-01-22

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