CA2459628A1 - Insert for gripping apparatus - Google Patents

Insert for gripping apparatus Download PDF

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Publication number
CA2459628A1
CA2459628A1 CA002459628A CA2459628A CA2459628A1 CA 2459628 A1 CA2459628 A1 CA 2459628A1 CA 002459628 A CA002459628 A CA 002459628A CA 2459628 A CA2459628 A CA 2459628A CA 2459628 A1 CA2459628 A1 CA 2459628A1
Authority
CA
Canada
Prior art keywords
insert
gripping
base material
engagement elements
gripping surface
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
CA002459628A
Other languages
French (fr)
Other versions
CA2459628C (en
Inventor
Manfred Jansch
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.)
Weatherford Lamb 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
Application filed by Individual filed Critical Individual
Publication of CA2459628A1 publication Critical patent/CA2459628A1/en
Application granted granted Critical
Publication of CA2459628C publication Critical patent/CA2459628C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/5008—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects
    • B25B13/5016—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes for operating on pipes or cylindrical objects by externally gripping the pipe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00—Vices
    • B25B1/24—Details, e.g. jaws of special shape, slideways
    • 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
    • E21B19/06—Elevators, i.e. rod- or tube-gripping devices
    • E21B19/07—Slip-type elevators
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing

Abstract

The present invention generally provides an insert for a clamping device or gripping apparatus for conducting translational forces and/or torque into a moveable object, such as a tubular, casing, liner, pipe, expandable tubular, tubing, drill pipe.
In one aspect, the insert comprises a base material and a plurality of gripping elements forming an object gripping surface. Gripping elements are at least partially embedded in the base material. The gripping elements in one embodiment are curved to correspond to an outer circumference of an object to be gripped. In one embodiment, the gripping elements are inclined relative to a longitudinal axis of the insert. In another aspect, the gripping elements may comprise grains or particles of a hardened or super-hard material. The present invention also provides a method of making the insert and using the insert in a gripping apparatus.

Claims (68)

1. An insert for a gripping apparatus for conducting translational force or torque into a moveable tubular object comprising:
a malleable base material configured to be inserted into the gripping apparatus; and a plurality of gripping elements at least partially embedded in the base material to form an object gripping surface.
2. The insert of claim 1, wherein the base material is curved.
3. The insert of claim 1, wherein the plurality of gripping elements are strip-like, and are substantially parallel to one another.
4. The insert of claim 3, wherein the plurality of gripping elements are arranged substantially transverse to a longitudinal axis of the insert.
5. The insert of claim 3, wherein the plurality of gripping elements are arranged relative to the longitudinal axis of the insert at an angle of between about 50° and 130°.
6. The insert of claim 2, wherein the curvature of each gripping element is complementary to the curvature of an object to be gripped.
7. The insert of claim 1, wherein the plurality of gripping elements are arranged relative to the longitudinal axis of the object at an angle of between about 70° and 110°.
8. The insert of claim 1, wherein the plurality of gripping elements are arranged relative to the longitudinal axis of the object at an angle of between about 85° and 95°.
9. The insert of claim 1, wherein the base material is an elastomeric lining.
10. The insert of claim 1, wherein the gripping surface of each gripping element is substantially flush with the surface of the base material.
11. The insert of claim 1, wherein the gripping surface protrudes from the surface of the base material.
12. The insert of claim 1, wherein each gripping element is blade-like with engagement elements on its gripping surface.
13. The insert of claim 1, wherein each gripping element is bar-like with engagement elements on its gripping surface.
14. The insert of claim 1, wherein the engagement elements are grain or particle-like, and are made of at least one material selected from the group comprising: titanium, diamond, glass, ceramic, corundum, and quartz.
15. The insert of claim 1, wherein the engagement elements define a plurality of teeth.
16. The insert of claim 15, wherein all of the teeth have the same depth and angles of leading and trailing faces.
17. The insert of claim 15, wherein the plurality of teeth form rows of interlaced teeth.
18. The insert of claim 1, wherein at least one of the plurality of gripping elements has a wave-like curvature in its lengthwise direction.
19. The insert of claim 1, wherein the insert further comprises:
a housing for releasably holding the base material with the gripping elements.
20. The insert of claim 19, wherein the housing is an arcuate member forming a concave cavity on an inner surface for receiving the base material with the gripping elements.
21. The insert of claim 20, wherein the concave cavity is defined by at least a back wall and two side walls, and further comprises a plurality of ribs arranged on the back wall and protruding toward the base material.
22. The insert of claim 21, wherein the ribs are generally inclined with respect to the lengthwise direction of the gripping elements.
23. The insert of claim 22, wherein the ribs and the gripping elements are arranged substantially perpendicular to each other.
24. The insert of claim 20, wherein the housing further comprises top and bottom walls limiting the cavity, the top and bottom walls being releasably attached to the back wall.
25. The insert of claim 1, wherein the base material and plurality of embedded gripping elements are essentially linear.
26. An insert for a gripping apparatus for conducting translational force or torque into a tubular object, comprising:
a base material having an arcuate shape and a gripping surface corresponding to a circumference of the tubular object; and a plurality of engagement elements attached to the gripping surface, the engagement elements capable of grippingly engaging the circumference of the tubular object, wherein the engagement elements comprise grains or particles of material.
27. The insert of claim 26, wherein the base material is fabricated from a group of materials consisting of: aluminum, copper alloy, brass alloy, and alloys thereof.
28. The insert of claim 26, wherein the engagement elements comprise diamond dust.
29. The insert of claim 26, wherein the engagement elements comprise one or more of silicon, zircon, tungsten carbide, carborundum, cubic boron nitride, glass, ceramic, quartz, thermally stable product, and titanium.
30. The insert of claim 26, wherein the insert only partially surrounds the tubular object, and wherein a second insert is arranged around the tubular object for grippingly engaging the surface of the tubular object around its circumference.
31. The insert of claim 26, further comprising a housing for releasably holding the base material at least partially therein.
32. The insert of claim 31, wherein the housing is an arcuate member having a concave cavity therein for releasably holding the base material.
33. The insert of claim 32, wherein the cavity is formed by at least a back wall and two side walls, and wherein a plurality of ribs protruding toward the base material are arranged on the back wall for releasably holding the base material at least partially within the cavity.
34. The insert of claim 33, wherein the base material comprises a plurality of ribs on a surface contacting the back wall of the housing, the ribs of the base material arranged substantially perpendicular to the ribs on the back wall.
35. The insert of claim 33, the housing further comprising top and bottom walls forming the cavity, the top and bottom walls being releasably fixed to the back wall.
36. The insert of claim 26, wherein the base material comprises a malleable metal having a lower hardness than steel.
37. The insert of claim 26, wherein the base material is curved into an arcuate shape which substantially corresponds to the circumference of the tubular object.
38. A method of making an insert for a gripping apparatus, comprising:
providing a base material insertable into a housing within the gripping apparatus; and attaching engagement elements to a gripping surface of the base material, the engagement elements comprising grains or particles of material capable of grippingly engaging a tubular object.
39. The method of claim 38, wherein the step of attaching engagement elements to the gripping surface of the base material comprises:
at least temporarily attaching the engagement elements to the gripping surface; and spray fusing a binding material around the engagement elements to permanently attach the engagement elements to the gripping surface.
40. The method of claim 39, wherein the step of at least temporarily attaching the engagement elements to the gripping surface comprises:
applying a high temperature adhesive to the engagement elements; and placing the engagement elements on the gripping surface.
41. The method of claim 39, wherein the step of at least temporarily attaching the engagement elements to the gripping surface comprises:
applying a high temperature adhesive to the gripping surface; and thereafter placing the engagement elements on the gripping surface.
42. The method of claim 39, wherein the step of at least temporarily attaching the engagement elements to the gripping surface comprises:
welding the engagement elements to the gripping surface.
43. The method of claim 42, wherein the step of at least temporarily attaching the engagement elements to the gripping surface further comprises:
coating the engagement elements with an electrically conductive component prior to welding the engagement elements to the gripping surface.
44. The method of claim 39, wherein the step of at least temporarily attaching the engagement elements to the gripping surface comprises:
placing the engagement elements within a mesh framework attached to the gripping surface.
45. The method of claim 38, wherein the base material comprises a malleable metal having a hardness less than the hardness of steel.
46. The method of claim 45, wherein the step of attaching the engagement elements to the gripping surface of the base material is accomplished by sintering using powdered base material and engagement elements.
47. The method of claim 38, wherein the base is fabricated from a group of materials consisting of: aluminum, copper alloy, or brass alloy, and alloys thereof.
48. The method of claim 38, wherein the engagement elements comprise diamond dust.
49. The method of claim 48, wherein the step of attaching engagement elements to the gripping surface of the base material comprises:
providing a substrate of tape;
applying a layer of copper onto the substrate of tape;
applying diamond dust onto the layer of copper; and attaching the substrate of tape onto the base material.
50. The method of claim 38, wherein the step of attaching engagement elements to the gripping surface of the base material comprises:
brazing the engagement elements to the gripping surface of the base material.
51. The method of claim 38, wherein the step of attaching engagement elements to the gripping surface of the base material comprises:
blowing gases at high speeds towards the gripping surface using a jet, the blowing gases forming a gas stream;

introducing the engagement elements into the gas stream; and converting the kinetic energy caused by glowing the bases to thermal energy, thereby welding the engagement elements to the gripping surface.
52. The method of claim 38, wherein the step of attaching engagement elements to the gripping surface of the base material comprises:
placing the engagement elements within a mold;
heating the base material into molten form;
placing the molten base material into the mold; and setting the engagement elements onto the gripping surface upon cooling of the base material.
53. A method of grippingly engaging a tubular body to impart translational force or torque to the tubular body, comprising:
providing a base material insertable into a housing within a gripping apparatus;
attaching engagement elements to a gripping surface of the base material, the engagement elements comprising grains or particles of material;
inserting the base material with engagement elements attached thereto into the gripping apparatus; and grippingly engaging the tubular body with the gripping surface to impart translational force or torque into the tubular body.
54. The method of claim 53, wherein the gripping apparatus is a tong.
55. The method of claim 53, wherein the gripping apparatus is a spider.
56. The method of claim 53, wherein the gripping apparatus is a torque head.
57. The method of claim 53, wherein the gripping apparatus is a spear.
58. The method of claim 53, wherein the gripping apparatus is an elevator.
59. The method of claim 53, wherein the engagement elements comprise one or more of diamond dust, silicon, zircon, tungsten carbide, carborundum, cubic boron nitride, glass, ceramic, quartz, thermally stable product, or titanium.
60. The method of claim 53, wherein the base material comprises a malleable metal having a hardness less than the hardness of steel.
61. A gripping apparatus for grippingly engaging a tubular object and imparting torque or translational force to the tubular object, comprising:
a housing for an insert, the housing having a cavity therein formed by back and side walls;
an insert disposed within the cavity, the insert comprising:
a malleable base material having a hardness less than the hardness of steel; and engagement elements attached to a gripping surface of the base material, the engagement elements comprising particles or grains of material.
62. The gripping apparatus of claim 61, wherein the engagement elements comprise one or more of diamond dust, silicon, zircon, tungsten carbide, carborundum, cubic boron nitride, glass, ceramic, quartz, thermally stable product, or titanium.
63. The gripping apparatus of claim 61, wherein the base material comprises one or more of one or more of aluminum, copper alloy, or brass alloy.
64. The method of claim 61, wherein the gripping apparatus is a tong.
65. The method of claim 61, wherein the gripping apparatus is a spider.
66. The method of claim 61, wherein the gripping apparatus is a torque head.
67. The method of claim 61, wherein the gripping apparatus is a spear.
68. The method of claim 61, wherein the gripping apparatus is an elevator.
CA002459628A 2003-02-27 2004-02-27 Insert for gripping apparatus Expired - Fee Related CA2459628C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US45042603P 2003-02-27 2003-02-27
US60/450,426 2003-02-27
US49055503P 2003-07-28 2003-07-28
US60/490,555 2003-07-28

Publications (2)

Publication Number Publication Date
CA2459628A1 true CA2459628A1 (en) 2004-08-27
CA2459628C CA2459628C (en) 2009-12-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002459628A Expired - Fee Related CA2459628C (en) 2003-02-27 2004-02-27 Insert for gripping apparatus

Country Status (5)

Country Link
US (1) US7231984B2 (en)
EP (1) EP1452685B1 (en)
AU (2) AU2004200788C1 (en)
CA (1) CA2459628C (en)
NO (2) NO331243B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2803812A1 (en) 2013-05-17 2014-11-19 Sandvik Intellectual Property AB Drill rod gripping apparatus
US9745806B2 (en) 2013-05-17 2017-08-29 Sandvik Intellectual Property Ab Drill rod gripping apparatus

Also Published As

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CA2459628C (en) 2009-12-22
AU2004200788A1 (en) 2004-09-23
NO342470B1 (en) 2018-05-28
NO331243B1 (en) 2011-11-07
AU2009201824A1 (en) 2009-05-28
AU2004200788C1 (en) 2009-10-01
EP1452685A2 (en) 2004-09-01
AU2009201824B2 (en) 2011-04-28
NO20111036L (en) 2004-08-30
NO20040888L (en) 2004-08-30
US20040194967A1 (en) 2004-10-07
EP1452685B1 (en) 2011-02-23
US7231984B2 (en) 2007-06-19
EP1452685A3 (en) 2005-03-16

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