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AU2001278196B2 - Liner hanger with slip joint sealing members and method of use - Google Patents

Liner hanger with slip joint sealing members and method of use Download PDF

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Publication number
AU2001278196B2
AU2001278196B2 AU2001278196A AU2001278196A AU2001278196B2 AU 2001278196 B2 AU2001278196 B2 AU 2001278196B2 AU 2001278196 A AU2001278196 A AU 2001278196A AU 2001278196 A AU2001278196 A AU 2001278196A AU 2001278196 B2 AU2001278196 B2 AU 2001278196B2
Authority
AU
Australia
Prior art keywords
tubular member
opening
wellbore casing
pipeline
structural support
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.)
Ceased
Application number
AU2001278196A
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AU2001278196A1 (en
Inventor
Robert Lance Cook
Lev Ring
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.)
Enventure Global Technology Inc
Original Assignee
Enventure Global Technology Inc
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 Enventure Global Technology Inc filed Critical Enventure Global Technology Inc
Publication of AU2001278196A1 publication Critical patent/AU2001278196A1/en
Application granted granted Critical
Publication of AU2001278196B2 publication Critical patent/AU2001278196B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/10—Reconditioning of well casings, e.g. straightening
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/124—Units with longitudinally-spaced plugs for isolating the intermediate space
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B43/105—Expanding tools specially adapted therefor

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pipe Accessories (AREA)
  • Earth Drilling (AREA)

Description

P \OPER\PHI{E607283 i od d.O9/08f 1- LINER HANGER WITH SLIP JOINT SEALING MEMBERS Background of the Invention \O 5 This invention relates generally to wellbore casings, pipelines and tubular structural supports, and in particular to apparatus and methods for repairing such structures.
00 For convenience, the application will be described primarily in the context of wellbore casings, but it is to be understood that the invention is not so limited.
O
SConventionally, when a wellbore casing in a ground formation is damaged, a tubular liner is positioned within the damaged section of the wellbore casing in order to provide structural support and prevent the undesired outflow of drilling fluid into the formation or inflow of fluid from the formation into the borehole. However, conventional tubular liners used for repairing damaged sections of wellbore casings suffer from a number of serious drawback. For example, conventional tubular liners used for repairing damaged sections of wellbore casings are not designed to accommodate variable loading conditions.
The present invention is directed to overcoming one or more of the limitations of the existing apparatus and methods for repairing damaged sections of wellbore casings and other tubular structures.
Summary of the Invention According to one aspect of the present invention, a method of repairing a damaged section of a wellbore casing/pipeline/tubular structural support is provided that includes removing at least a portion of the damaged section of the wellbore casing/pipeline/tubular structural support to create an opening in the wall of the wellbore casing/pipeline/tubular structural support, and covering at least a portion of the opening in the wall of the wellbore casing/pipeline/tubular structural support with a floating tubular member.
According to a second aspect of the present invention, apparatus is provided that includes a wellbore casing/pipeline/tubular structural support including an opening in a wall thereof, and a floating tubular member coupled to the wellbore casing/pipeline/tubular structural support in opposing relation to the opening.
According to a third aspect of the present invention, a system for repairing a damaged section of a wellbore casing/pipeline/tubular structural support is provided that includes means for removing at least a portion of the damaged section of the wellbore P \OPERPHH2607283 speci aund doc.09/0806 -2casing/pipeline/tubular structural support to create an opening in the wall of the wellbore casing/pipeline/tubular structural support, and means for covering at least a portion of the opening in the wall of the wellbore casing/pipeline/tubular structural support with a floating tubular member.
Preferably the tubular member is coupled to the wellbore casing/pipeline/tubular 00 structural support with a slip joint.
In one embodiment, covering at least a portion of the opening in the wall of the Swellbore casing/pipeline/tubular structural support with a floating tubular member comprises radially expanding at least a portion of the tubular member into contact with the wellbore casing/pipeline/tubular structural support. The radially expanded tubular member may contact the wellbore casing/pipeline/tubular structural support above and below, only above or only below the opening.
Brief Description of the Drawings One embodiment of a method, apparatus and system will now be described in the context of a wellbore casing, by way of example only, with reference to the accompanying drawings, in which: FIG. 1 is a cross-sectional view illustrating a wellbore casing including a damaged section.
FIG. 2 is a fragmentary cross-sectional view illustrating the introduction of a milling device into the wellbore casing of FIG. 1.
FIG. 3 is a fragmentary cross-sectional view illustrating the removal of at least a portion of the damaged section of the wellbore casing using the milling device to form an opening in the wellbore casing of FIG. 2.
FIG. 4 is a fragmentary cross-sectional view illustrating the placement of a repair apparatus for covering the opening in the wellbore casing of FIG. 3.
FIG. 5 is a fragmentary cross-sectional view illustrating the injection of fluidic materials into the repair apparatus of FIG. 4.
FIG. 6 is a fragmentary cross-sectional view illustrating the pressurization of the interior of the repair apparatus of FIG. FIG. 7 is a fragmentary cross-sectional view illustrating the completion of the radial expansion of the expandable tubular member of the repair apparatus of FIG. 6.
PAOPERPHRQ607283 sp-i ddc910&8/
NO
-3- FIG. 8 is a cross-sectional view illustrating the milling out of the shoe of the radially expanded tubular member of FIG. 7.
FIG. 9 is a cross-sectional illustration of an embodiment of upper and lower sealing IO members that include internal slip joints.
Detailed Description of the Illustrative Embodiments 00oO An apparatus and method for repairing an opening in a damaged section of a wellbore casing within a subterranean formation is illustrated. The apparatus and method provides a system for repairing an opening in a damaged section of a wellbore casing within a subterranean formation in which a tubular member is radially expanded into contact with the wellbore casing. The physical connection between the radially expanded tubular member and the wellbore casing is preferably compliant and permits movement of the radially expanded tubular member relative to the wellbore casing in at least the longitudinal direction. In this manner, the radially expanded tubular member is capable of absorbing a wide range of loading conditions.
Referring initially to Fig. 1, a wellbore 100 positioned within a subterranean formation 105 includes a preexisting casing 110 that traverses a producing formation 115.
The portion of the casing 110 that traverses the producing formation 115 includes a damaged section 120. As will be recognized by persons having ordinary skill in the art, the damaged section 120 may be caused by, for example, structural instabilities in the producing formation 115 such as, for example, subsidence that can cause buckling of the wellbore casing 110.
Referring to Figs. 2 and 3, in order to repair the damaged section 120 of the wellbore casing 110, a conventional milling device 125 is then inserted into the wellbore casing 110. The milling device 125 is then used to remove at least a portion of the damaged section 120 of the wellbore casing 110 and thereby form an opening 130 in the wellbore casing 110.
Referring to Fig. 4, an apparatus 200 for repairing the opening 130 in the wellbore casing 110 may then be positioned within the wellbore casing proximate the opening in the wellbore casing.
The apparatus 200 includes a tubular support member 205 having a longitudinal passage 210 and a transverse passage 215 that is coupled to an expansion cone 220 having a longitudinal passage 225 that is fluidicly coupled to the longitudinal passage 210. The P:\OPER\PHNU2607283 pci =md do-9/Wi06 -4- Z expansion cone 220 is at least partially received within an expansion cone launcher 230 that includes a thin-walled annular member 235 and a shoe 240 having an exhaust passage 245. An expandable tubular member 250 extends from the expansion cone launcher 230 IDthat includes upper and lower sealing members 255a and 255b affixed to the exterior surface of the expandable tubular member. A sealing cup 260 is attached to the exterior oO 00 surface of the tubular support member 205 for preventing foreign materials from entering the interior of the expandable tubular member 250.
In a preferred embodiment, the apparatus 200 is provided as disclosed in one or more of the following: U.S. patent 6,328,113; U.S. patent 6,497,289; U.S. patent 6,823,937; AU patent application 16417/00; U.S. patent 6,575,240; U.S. patent 6,640,903; U.S. patent 6,604,763; U.S. patent 6,557,640; International patent application WO 01/04535; (10) International patent application WO 01/60545; (11) U.S.
patent 6,568,471; (12) AU patent application 2001269810; (13) AU patent application 13566/01; (14) U.S. patent 6,695,012; and (15) U.S. patent application 20030107217, the disclosures of which are incorporated herein by reference.
As illustrated in Fig. 4, during placement of the apparatus 200 within the wellbore casing 110, fluidic materials displaced by the apparatus 200 are conveyed through the longitudinal passages 210 and 225 to the transverse passage 215. In this manner, surge pressures during the placement of the apparatus 200 within the wellbore casing 110 are minimized. Furthermore, as illustrated in Fig. 4, the apparatus 200 is preferably positioned with the tubular member 250 in opposing relation to the opening 130 in the wellbore casing 110. In this manner, the upper and lower sealing members 255a and 255b may engage portions of the wellbore casing 110 above and below the opening 130 after radially expanding the tubular member 250.
As illustrated in Fig. 5, the transverse passage 215 may then be closed and fluidic materials injected into the apparatus 200 through the longitudinal passage 210. In this manner, any blockages within any of the passages 210, 225, and 245 may be detected by monitoring the operating pressure whereby an increase in operating pressure above nominal, or predetermined, conditions may indicate a blockage of one of the passages.
As illustrated in Fig. 6, a plug 265 or other conventional stop member may then be introduced into the fluidic materials injected into the apparatus 200 through the passage 210, and the plug 265 may be positioned within the passage 245. In this manner, the P:\OPERPHHU2607283 qpei d do-09/086 passage 245 may be sealed off. Thus, continued injection of fluidic materials into the apparatus 200 through the passage 210 may thereby pressurize a region 270 below the expansion cone 220.
IND As illustrated in Fig. 7, continued pressurization of the region 270 causes the expansion cone 220 to radially expand the expandable tubular member 250 off of the 00 oO expansion cone. In this manner, the upper and lower sealing members 255a and 255b preferably engage the interior walls of the wellbore casing 110 above and below the opening 130 thereby sealing off the opening. In a preferred embodiment, during the radial expansion process, the tubular support member 205 is raised out of the wellbore 100.
As illustrated in Fig. 8, the shoe 240 may then be removed using a conventional milling device. In this manner, exploration and production of subterranean regions beyond the opening 130 in the wellbore casing 110 may be conducted.
In several alternative embodiments, the upper sealing member 255a or the lower sealing member 255b are omitted from the tubular member 250. In this manner, the radially expanded tubular member 250 is permitted to float relative to the wellbore casing 110. Furthermore, in this manner, relative longitudinal and/or transverse movements of the sections of the wellbore casing 110 above and below the opening 130 may be optimally accommodated by the radially expanded tubular member 250. Finally, in this manner, damage to the radially expanded tubular member 250 that can be caused by longitudinal stresses, such as buckling, may be minimized or eliminated.
In another alternative embodiment, as illustrated in Fig. 9, the upper sealing member 255a and/or the lower sealing member 255b include internal slip joints 300a and 300b in order to permit the radially expanded tubular member 250 to float relative to the wellbore casing 110. In this manner, relative longitudinal and/or transverse movements of the sections of the wellbore casing 110 above and below the opening 130 may be optimally accommodated. Furthermore, in this manner, damage to the radially expanded tubular member 250 that can be caused by longitudinal stresses, such as buckling, may be minimized or eliminated.
In a preferred embodiment, the sealing members 255a and 255b permit the radially expanded tubular member 250 to move in the longitudinal direction while also maintaining a fluidic seal. In several alternative embodiments, the sealing members 255a and 255b are fabricated from a resilient material such as, for example, synthetic or natural rubber.
P.%OPER\PHHU26O7Z8 spci ammddm.910&8 -6- It is understood that variations may be made in the foregoing without departing from the scope of the invention. For example, the apparatus 200 may be used to repair, for example, a wellbore casing, a pipeline, or a structural support.
INO Although illustrative embodiments of the invention have been shown and described, a wide range of modification, changes and substitution is contemplated in the foregoing 00 disclosure. In some instances, some features of the present invention may be employed without a corresponding use of the other features. Accordingly, it is appropriate that the appended claims be construed broadly and in a manner consistent with the scope of the invention.
The reference in this specification to any prior publication (or information derived from it), or to any matter which is known, is not, and should not be taken as an acknowledgment or admission or any form of suggestion that that prior publication (or information derived from it) or known matter forms part of the common general knowledge in the field of endeavour to which this specification relates.
Throughout this specification and the claims which follow, unless the context requires otherwise, the word "comprise", and variations such as "comprises" and "comprising", will be understood to imply the inclusion of a stated integer or step or group of integers or steps but not the exclusion of any other integer or step or group of integers or steps.

Claims (42)

1. A method of repairing a damaged section of a wellbore casing, comprising: 0 removing at least a portion of the damaged section of the wellbore casing to create an opening in the wall of the wellbore casing; and 00 covering at least a portion of the opening in the wall of the wellbore casing with a floating tubular member. O
2. The method of claim 1, further comprising: coupling the tubular member to the wellbore casing with a slip joint.
3. The method of claim 1, wherein covering at least a portion of the opening in the wall of the wellbore casing with a floating tubular member comprises: radially expanding at least a portion of the tubular member into contact with the wellbore casing.
4. The method of claim 3, wherein the radially expanded tubular member contacts the wellbore casing above and below the opening.
5. The method of claim 3, wherein the radially expanded tubular member only contacts the wellbore casing above the opening.
6. The method of claim 3, wherein the radially expanded tubular member only contacts the wellbore casing below the opening.
7. Apparatus, comprising: a wellbore casing comprising an opening in a wall thereof; and a floating tubular member coupled to the wellbore casing in opposing relation to the opening.
8. A system for repairing a damaged section of a wellbore casing, comprising: means for removing at least a portion of the damaged section of the wellbore casing P,%OPERPHHQ60723 spai smmd -8- to create an opening in the wall of the wellbore casing; and means for covering at least a portion of the opening in the wall of the wellbore casing with a floating tubular member. C
9. The system of claim 8, further comprising: 00 means for coupling the tubular member to the wellbore casing with a slip joint.
The system of claim 8, wherein the means for covering at least a portion of the opening in the wall of the wellbore casing with a floating tubular member comprises: means for radially expanding at least a portion of the tubular member into contact with the wellbore casing.
11. The system of claim 10, wherein the means for radially expanding at least a portion of the tubular member comprises: means for radially expanding the tubular member into contact with the wellbore casing above and below the opening.
12. The system of claim 10, wherein the means for radially expanding at least a portion of the tubular member comprises: means for radially expanding the tubular member only into contact with the wellbore casing above the opening.
13. The system of claim 10, wherein the means for radially expanding at least a portion of the tubular member comprises: means for radially expanding the tubular member only into contact with the wellbore casing below the opening.
14. A method of repairing a damaged section of a pipeline, comprising: removing at least a portion of the damaged section of the pipeline to create an opening in the wall of the pipeline; and covering at least a portion of the opening in the wall of the pipeline with a floating tubular member. P:\OPER\PHH2607283 pi .d dc.09/ 8 6 -9- The method of claim 14, further comprising: coupling the tubular member to the pipeline with a slip joint.
C
16. The method of claim 14, wherein covering at least a portion of the opening in the 00oO wall of the pipeline with a floating tubular member comprises: radially expanding at least a portion of the tubular member into contact with the pipeline.
17. The method of claim 16, wherein the radially expanded tubular member contacts the pipeline above and below the opening.
18. The method of claim 16, wherein the radially expanded tubular member only contacts the pipeline above the opening.
19. The method of claim 16, wherein the radially expanded tubular member only contacts the pipeline below the opening.
Apparatus, comprising: a pipeline comprising an opening in a wall thereof; and a floating tubular member coupled to the pipeline in opposing relation to the opening.
21. A system for repairing a damaged section of a pipeline, comprising: means for removing at least a portion of the damaged section of the pipeline to create an opening in the wall of the pipeline; and means for covering at least a portion of the opening in the wall of the pipeline with a floating tubular member.
22. The system of claim 21, further comprising: means for coupling the tubular member to the pipeline with a slip joint. P AOPERPHH\2607283 pi d do.099f Z
23. The system of claim 21, wherein the means for covering at least a portion of the opening in the wall of the pipeline with a floating tubular member comprises: means for radially expanding at least a portion of the tubular member into contact IDwith the pipeline. 00
24. The system of claim 23, wherein the means for radially expanding at least a portion of the tubular member comprises: means for radially expanding the tubular member into contact with the pipeline above and below the opening.
The system of claim 23, wherein the means for radially expanding at least a portion of the tubular member comprises: means for radially expanding the tubular member only into contact with the pipeline above the opening.
26. The system of claim 23, wherein the means for radially expanding at least a portion of the tubular member comprises: means for radially expanding the tubular member only into contact with the pipeline below the opening.
27. A method of repairing a damaged section of a tubular structural support, comprising: removing at least a portion of the damaged section of the structural support to create an opening in the wall of the structural support; and covering at least a portion of the opening in the wall of the structural support with a floating tubular member.
28. The method of claim 27, further comprising: coupling the tubular member to the structural support with a slip joint.
29. The method of claim 27, wherein covering at least a portion of the opening in the wall of the structural support with a floating tubular member comprises: P:\OPER\PHHU60723 spei aund doc.098/086 0 -11- ;Z radially expanding at least a portion of the tubular member into contact with the 0 structural support. \D
30. The method of claim 29, wherein the radially expanded tubular member contacts the structural support above and below the opening. 00
31. The method of claim 29, wherein the radially expanded tubular member only contacts the structural support above the opening.
32. The method of claim 29, wherein the radially expanded tubular member only contacts the structural support below the opening.
33. Apparatus, comprising: a tubular structural support comprising an opening in a wall thereof; and a floating tubular member coupled to the structural support in opposing relation to the opening.
34. A system for repairing a damaged section of a tubular structural support, comprising: means for removing at least a portion of the damaged section of the structural support to create an opening in the wall of the structural support; and means for covering at least a portion of the opening in the wall of the structural support with a floating tubular member.
35. The system of claim 34, further comprising: means for coupling the tubular member to the structural support with a slip joint.
36. The system of claim 34, wherein the means for covering at least a portion of the opening in the wall of the structural support with a floating tubular member comprises: means for radially expanding at least a portion of the tubular member into contact with the structural support. P \OPER\PH2607283 pgl 2dom-2310120 -12- O
37. The system of claim 36, wherein the means for radially expanded tubular member comprises: means for radially expanding the tubular member into contact with the structural IN support above and below the opening. 00
38. The system of claim 36, wherein the means for radially expanded tubular member comprises: means for radially expanding the tubular member only into contact with the structural support above the opening.
39. The system of claim 36, wherein the means for radially expanded tubular member comprises: means for radially expanding the tubular member only into contact with the structural support below the opening.
A method of repairing a damaged section of a wellbore casing according to claim I and substantially as herein described with reference to the accompanying drawings.
41. Wellbore casing repair apparatus according to claim 7 and substantially as herein described with reference to the accompanying drawings.
42. A system for repairing a damaged section of a wellbore casing according to claim 8 and substantially as herein described with reference to the accompanying drawings.
AU2001278196A 2000-07-28 2001-07-27 Liner hanger with slip joint sealing members and method of use Ceased AU2001278196B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22144300P 2000-07-28 2000-07-28
US60/221,443 2000-07-28
PCT/US2001/041446 WO2002010551A1 (en) 2000-07-28 2001-07-27 Liner hanger with slip joint sealing members and method of use

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Publication Number Publication Date
AU2001278196A1 AU2001278196A1 (en) 2002-05-09
AU2001278196B2 true AU2001278196B2 (en) 2006-12-07

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AU7819601A Pending AU7819601A (en) 2000-07-28 2001-07-27 Liner hanger with slip joint sealing members and method of use
AU2001278196A Ceased AU2001278196B2 (en) 2000-07-28 2001-07-27 Liner hanger with slip joint sealing members and method of use

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CA (1) CA2414449C (en)
GB (1) GB2382368B (en)
NO (1) NO20026250L (en)
WO (1) WO2002010551A1 (en)

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NO20026250D0 (en) 2002-12-27
GB2382368A (en) 2003-05-28
CA2414449C (en) 2006-09-05
GB2382368B (en) 2004-12-15
GB0300086D0 (en) 2003-02-05
NO20026250L (en) 2003-01-17
CA2414449A1 (en) 2002-02-07
AU7819601A (en) 2002-02-13

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