CA2484721A1 - Tubing anchor - Google Patents

Tubing anchor Download PDF

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Publication number
CA2484721A1
CA2484721A1 CA002484721A CA2484721A CA2484721A1 CA 2484721 A1 CA2484721 A1 CA 2484721A1 CA 002484721 A CA002484721 A CA 002484721A CA 2484721 A CA2484721 A CA 2484721A CA 2484721 A1 CA2484721 A1 CA 2484721A1
Authority
CA
Canada
Prior art keywords
tubing
bore
profile
diameter
section
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
CA002484721A
Other languages
French (fr)
Other versions
CA2484721C (en
Inventor
Neil Andrew Abercrombie Simpson
Alexander Craig Mackay
Graham Mackay
Duncan James Trinder
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 Technology Holdings LLC
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 CA2484721A1 publication Critical patent/CA2484721A1/en
Application granted granted Critical
Publication of CA2484721C publication Critical patent/CA2484721C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/106—Couplings or joints therefor
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/04—Casing heads; Suspending casings or tubings in well heads
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like

Abstract

A method of anchoring tubing in a bore comprising: providing tubing having a section with outer surface portions defining a tubing profile, and configure d to describe an outer diameter less than a first diameter. The tubing is located within a bore having an internal diameter equal to the first diamete r and defining a bore profile. The tubing is then reconfigured such that the tubing profile engages with the bore profile, anchoring the tubing within th e bore.

Claims (95)

1. A method of anchoring tubing in a bore, the bore having an internal first diameter, and defining a bore profile, the method comprising:
providing tubing having a section with outer surface portions defining a tubing profile, the outer surface portions configured to describe an outer diameter greater than the first diameter; and axially translating the tubing relative to the bore to locate the tubing within the bore such that the tubing profile engages with the bore profile.
2. The method of claim 1, wherein at least one of the tubing and the bore is formed from an elastically deformable material
3. The method of claim 2, wherein the tubing is formed from an elastically deformable material.
4. The method of claim 2, wherein the bore is formed from an elastically deformable material.
5. The method of claim 2, comprising forming the tubing and the bore from an elastically deformable material.
6. The method of claim 3, wherein the tubing section is elastically deformed when moved into said bore.
7. A method of anchoring tubing in a bore, the method comprising:
providing tubing having a section having outer surface portions defining a tubing profile, the outer surface portions configured to describe an outer diameter less than a first diameter;
locating the tubing within a bore having an internal diameter equal to the first diameter, and defining a bore profile; and reconfiguring the tubing section such that the tubing profile engages with the bore profile.
8. The method of claim 7, comprising reconfiguring the tubing section such that the tubing profile engages with the bore profile by applying a radially outwardly directed force to the one or more convex wall portions to urge the outer surface portions radially outwards to assume a configuration in which the outer surface portions describe a diameter at least as large as the first diameter.
9. The method of claim 7, wherein the tubing section is reconfigured such that the outer surface portions engage with the bore by applying a radially outwardly directed force to at least a portion of the tubing section.
10. The method of claim 8 or 9, wherein the radially outwardly directed force is created by passing a tubing expander through the tubing.
11. The method of claim 10, wherein the tubing expander comprises an expansion cone.
12. The method of claim 10 or 11, wherein the tubing expander comprises a seal for sealingly engaging the bore, and further comprising utilising fluid pressure to drive the expander through the tubing section.
13. The method of claim 12, comprising providing the tubing expander in a first configuration in which fluid may pass through or around the expander, and then reconfiguring the expander to a second configuration in which the expander creates a barrier to fluid flow through the bore.
14. The method of claim 13, further comprising reconfiguring the expander to a third configuration in which fluid may again flow through or around the expander.
15. The method of any the preceding claims, comprising forming the tubing profile as at least one radially extending surface and the bore profile as at least one cooperating radially extending surface.
16. The method of any of the preceding claims, comprising forming the tubing profile as at least one radial projection and the bore profile as at least one radial recess.
17. The method of claim 16, comprising forming the tubing profile as a plurality of radial projections and the bore profile as a plurality of radial recesses.
18. The method of claim 16, comprising forming the at least one radial projection as a circumferential rib and the at, least one radial recess as a circumferential channel.
19. The method of any of claims 1 to 15, comprising forming the bore profile as at least one radial projection and the tubing profile as at least one radial recess.
20. The method of claim 19, comprising forming the bore profile as a plurality of radial projections and the tubing profile as a plurality of radial recesses.
21. The method of claim 19, comprising forming the at least one radial projection as a circumferential rib and the at least one radial recess as a circumferential channel.
22. The method of any of the preceding claims, comprising forming said tubing section by:
providing circular section tubing having an outer diameter at least as large as the first diameter;
reconfiguring portions of the initially circular section tubing to a generally planar form such that the tubing is then substantially polygonal, and then further reconfiguring the planar tubing portions to form convex tubing portions, located between outer surface portions, such that the tubing defines an outer diameter less than said first diameter.
23. The method of any of claims 1 to 21, comprising forming the tubing section by:
providing circular section tubing having an outer diameter at least as large as the first diameter, and forming at least one axially extending indent in the circular section tubing to create at least one convex wall portion such that the tubing defines an outer diameter less than said first diameter.
24. The method of any of the preceding claims, further comprising passing fluid between the reconfigured tubing section and the surrounding bore.
25. The method of any of the preceding claims, further comprising cementing the tubing in the bore.
26. The method of any of the preceding claims, further comprising sealing at least a portion of the tubing in the bore.
27. The method of claim 26, comprising sealing said portion of the tubing in the bore by reconfiguring the tubing section to a form corresponding to the bore wall.
28. The method of claim 26 or 27, comprising sealing the portion of the tubing to the bore by configuring another section of the tubing to a form corresponding to the bore wall.
29. The method of claim 26, 27 or 28, comprising sealing the portion of the tubing to the bore by expanding a section of the tubing.
30. The method of claim 29, comprising expanding the tubing using a rotary expander.
31. The method of any of the preceding claims, wherein the bore comprises an unlined drilled bore.
32. The method of any of claims 1 to 30, wherein the bore comprises a section of tubing-lined bore.
33. The method of claim 32, wherein the bore-lining tubing is substantially unexpandable.
34. The method of any of the preceding claims, further comprising providing a profile in the tubing for co-operating with a corresponding profile on a running string to allow the string to support the tubing as the tubing is being run into the bore.
35. The method of claim 34, further comprising providing the profile on an upper portion of the tubing, above a notch in the tubing, and subjecting the area of tubing including the notch to expansion utilising a rotary expander to part the tubing at the notch.
36. Apparatus for use in anchoring tubing in a section of a bore of internal diameter equal to a first diameter, the bore defining a bore profile, the apparatus comprising:
tubing including a section with a non-circular wall, the wall having an outer surface portion, part of the outer surface portion defining a tubing profile, the wall configured such that the outer surface portion describes an outer diameter greater than the first diameter; and means for engaging a running tool for running the tubing into the bore and then locating the tubing section in the bore.
37. The apparatus of claim 36, wherein at least one of the tubing and the bore is formed from an elastically deformable material
38. The apparatus of claim 37, wherein the tubing is formed from an elastically deformable material.
39. The apparatus of claim 37, wherein the bore is formed from an elastically deformable material.
40. The apparatus of claim 37, comprising forming the tubing and the bore from an elastically deformable material.
41. The apparatus of claim 38, wherein the tubing section is elastically deformed when moved into said bore.
42. The apparatus of any of claims 36 to 41, wherein the apparatus further comprises an expander, for expanding a section of the tubing into sealing contact with the bore wall.
43. The apparatus of claim 42, wherein the expander is a rotary expander.
44. Apparatus for use in anchoring tubing in a section of a bore of internal diameter equal to a first diameter, the bore defining a bore profile, the apparatus comprising:

tubing including a section with a non-circular wall, the wall having an outer surface portion, part of the outer surface portion defining a tubing profile, the wall configured such that the outer surface portion describes an outer diameter less than the first diameter;
means for engaging a running tool for running the tubing into the bore and then locating the tubing section in the bore;
and a first expander for diametrically expanding the tubing section wall such that the tubing profile engages with the bore profile.
45. The apparatus of any of claim 44, wherein the first expander comprises an expansion cone.
46. The apparatus of claims 44 or 45, wherein the first expander comprises a seal for sealingly engaging a wall of the first tubing, such that fluid pressure may be utilised to drive the expander through the tubing.
47. The apparatus of any of claims 44 to 46, wherein the first expander has a first configuration in which fluid may pass through or around the expander, and a second configuration in which the expander creates a barrier to fluid flow.
48. The apparatus of any of claims 44 to 47, wherein the apparatus further comprises a second expander, for expanding a section of the tubing into sealing contact with the bore wall.
49. The apparatus of claim 48, wherein the second expander is a rotary expander.
50. The apparatus of any of claims 36 to 49, wherein the tubing profile is at least one radially extending surface and the bore profile is at least one cooperating radially extending surface.
51. The apparatus of any of claims 36 to 50, wherein the tubing profile is at least one radial projection and the bore profile is at least one radial recess.
52. The apparatus of claim 51, wherein the tubing profile is a plurality of radial projections and the bore profile is a plurality of radial recesses.
53. The apparatus of claim 51, wherein the at least one radial projection is a circumferential rib and the at least one radial recess is a circumferential channel.
54. The apparatus of any of claims 36 to 50, wherein the bore profile is at least one radial projection and the tubing profile is at least one radial recess.
55. The apparatus of claim 54, wherein the bore profile is a plurality of radial projections and the tubing profile is a plurality of radial recesses.
56. The apparatus of claim 59, wherein the at least one radial projection is a circumferential rib and the at least one radial recess is a circumferential channel.
57. The apparatus of any one of claims 36 to 56, wherein the tubing section comprises circumferentially spaced outer surface portions.
58. The apparatus of claim 57, wherein the outer surface portions are regularly spaced around the circumference of the tubing.
59. The apparatus of any one of claims 36 to 56, wherein the outer surface portion is defined by a substantially continuous arc or segment.
60. The apparatus of any of claims 36 to 59, wherein one or more convex wall portions are located between outer surface portions.
61. The apparatus of any of claims 36 to 60, wherein a section of the tubing includes a seal member.
62. The apparatus of any of claims 36 to 61, in combination with bore-lining tubing of said first diameter.
63. The apparatus of any of claims 36 to 62, wherein the tubing comprises a tubing hanger.
64. The apparatus of any of claims 36 to 63, wherein the means for engaging a running tool includes an internal profile in the tubing.
65. The apparatus of claim 64, wherein the internal profile is provided on an upper portion of the tubing, above a notch in the tubing.
66. Expandable downhole tubing including a tubing section with a non-circular wall, the wall having an outer surface portion, part of the outer surface portion defining a tubing profile, the wall configured such that the outer surface portion describes a running-in diameter less than a pre-determined first diameter, the tubing section being diametrically expandable such that said outer surface portion describes a diameter at least as large as said first diameter.
67. The expandable downhole tubing of claim 66, wherein the tubing profile defines at least one radially extending surface.
68. The expandable downhole tubing of claims 66 or 67, wherein the tubing profile comprises an at least one radial projection.
69. The expandable downhole tubing of claim 67, wherein the tubing profile comprises a plurality of radial projections.
70. The expandable downhole tubing of claim 68, wherein the at least one radial projection comprises a circumferential rib.
71. The expandable downhole tubing of claims 66 or 67, wherein the tubing profile comprises an at least one radial recess.
72. The expandable downhole tubing of claim 70, wherein the tubing profile comprises a plurality of radial recesses.
73. The expandable downhole tubing of claim 71, wherein the at least one radial recess comprises a circumferential channel.
74. The tubing of any of claims 66 to 73, wherein a plurality of outer surface portions are regularly spaced around the circumference of the tubing.
75. The tubing of any of claims 66 to 73, wherein the outer surface portion is defined by a substantially continuous arc or segment.
76. The tubing of any of claims 66 to 75, wherein one or more convex wall portions are located between outer surface portions.
77. The tubing of any of claims 66 to 76, wherein one or more convex wall portions are located between outer surface portions.
78. Downhole tubing including a tubing section with a non-circular wall, the wall having an outer surface portion, defining a tubing profile adapted for engaging a bore profile.
79. The downhole tubing of claim 78, wherein the tubing comprises an elastically deformable material.
80. The downhole tubing of claim 78, wherein the tubing profile defines at least one radially extending surface.
81. The downhole tubing of claim 80, wherein the tubing profile comprises an at least one radial projection.
82. The downhole tubing of claim 81, wherein the tubing profile comprises a plurality of radial projections.
83. The downhole tubing of claim 81, wherein the at least one radial projection comprises a circumferential rib.
84. The downhole tubing of claim 80, wherein the tubing profile comprises an at least one radial recess.
85. The downhole tubing of claim 84, wherein the tubing profile comprises a plurality of radial recesses.
86. The downhole tubing of claim 84, wherein the at least one radial recess comprises a circumferential channel.
87. The tubing of any of claims 78 to 86, wherein a plurality of outer surface portions are regularly spaced around the circumference of the tubing.
88. The tubing of any of claims 78 to 86, wherein the outer surface portion is defined by a substantially continuous arc or segment.
89. The tubing of any of claims 78 to 88, wherein one or more convex wall portions are located between outer surface portions.
90. The tubing of any of claims 78 to 89, wherein one or more convex wall portions are located between outer surface portions.
91. A method of forming tubing having a section configured to provide outer surface portions describing an outer diameter less than a selected first diameter, comprising:
providing circular section tubing having an outer surface, part of the outer surface defining a profile, the tubing having an outer diameter at least as large as the first diameter;
reconfiguring portions of the initially circular tubing section to a generally planar form such that the tubing is then substantially polygonal, and then further reconfiguring the planar tubing section portions to form convex tubing portions, located between outer surface portions.

79. A method of forming tubing having a section configured to provide an outer surface portion describing an outer diameter less than a selected first diameter, comprising:
providing circular section tubing having an outer surface, part of the outer surface defining a profile, the tubing having an outer diameter at least as large as the first diameter, and forming at least one axially extending indent in the tubing section to create at least one convex tubing portion such that the tubing defines an outer diameter less than said first diameter.
92. A method of anchoring tubing in a bore, the method comprising:
providing tubing having at least a section having outer surface portions, part of the outer surface portions defining a profile, the section configured such that the outer surface portions describe an outer diameter less than a first diameter;
locating the tubing within a bore having an internal surface, part of the internal surface defining a profile, the bore having an internal diameter corresponding to said first diameter; and reconfiguring said section such that said outer surface portions are biased to describe an outer diameter greater than said first diameter but are restrained to said first diameter by said bore, and such that said tubing profile engages the bore profile.
93. A method of anchoring tubing in a bore, the method comprising:
providing tubing having a section describing an outer diameter greater than a first diameter; and locating the tubing within a section of a bore having at least one inner surface portion describing an internal diameter corresponding to the first diameter such that the inner surface portion is extended beyond the first diameter by the tubing, and the inner surface portion engages with the tubing.
94. Tubing adapted for anchoring in a section of a bore of a first diameter, the tubing including a section with a non-circular wall configured to provide an outer surface portion describing a diameter less than the first diameter and adapted to be diametrically expanded such that the outer surface portion describes a diameter greater than the first diameter.
95. Tubing adapted for anchoring in a section of a bore of a first diameter, the tubing including a section with a non-circular wall configured to provide an outer surface portion describing a diameter greater than the first diameter and adapted to be elastically deformed to the first diameter.
CA2484721A 2002-05-03 2003-05-02 Tubing anchor Expired - Fee Related CA2484721C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0210256.4A GB0210256D0 (en) 2002-05-03 2002-05-03 Tubing anchor
GB0210256.4 2002-05-03
PCT/GB2003/001881 WO2003093638A2 (en) 2002-05-03 2003-05-02 Tubing anchor

Publications (2)

Publication Number Publication Date
CA2484721A1 true CA2484721A1 (en) 2003-11-13
CA2484721C CA2484721C (en) 2011-08-30

Family

ID=9936085

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2484714A Expired - Fee Related CA2484714C (en) 2002-05-03 2003-05-02 Tubing anchor
CA2484721A Expired - Fee Related CA2484721C (en) 2002-05-03 2003-05-02 Tubing anchor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2484714A Expired - Fee Related CA2484714C (en) 2002-05-03 2003-05-02 Tubing anchor

Country Status (5)

Country Link
US (2) US7090024B2 (en)
AU (2) AU2003227899A1 (en)
CA (2) CA2484714C (en)
GB (3) GB0210256D0 (en)
WO (2) WO2003093638A2 (en)

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Also Published As

Publication number Publication date
GB0210256D0 (en) 2002-06-12
US20030205387A1 (en) 2003-11-06
AU2003227899A1 (en) 2003-11-17
WO2003093637A2 (en) 2003-11-13
WO2003093637A3 (en) 2004-03-04
US7086480B2 (en) 2006-08-08
US20030205388A1 (en) 2003-11-06
GB2404212B (en) 2006-07-26
WO2003093638A2 (en) 2003-11-13
AU2003233872A1 (en) 2003-11-17
GB0424392D0 (en) 2004-12-08
CA2484721C (en) 2011-08-30
GB2404685A (en) 2005-02-09
CA2484714C (en) 2011-06-21
WO2003093638A3 (en) 2004-03-04
GB2404212A (en) 2005-01-26
US7090024B2 (en) 2006-08-15
GB0424393D0 (en) 2004-12-08
GB2404685B (en) 2005-12-07
CA2484714A1 (en) 2003-11-13

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