CA2539625A1 - Apparatus and method for expanding a liner patch - Google Patents

Apparatus and method for expanding a liner patch Download PDF

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Publication number
CA2539625A1
CA2539625A1 CA002539625A CA2539625A CA2539625A1 CA 2539625 A1 CA2539625 A1 CA 2539625A1 CA 002539625 A CA002539625 A CA 002539625A CA 2539625 A CA2539625 A CA 2539625A CA 2539625 A1 CA2539625 A1 CA 2539625A1
Authority
CA
Canada
Prior art keywords
expanding
fingers
liner patch
outer diameter
bottom portion
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
CA002539625A
Other languages
French (fr)
Other versions
CA2539625C (en
Inventor
Thomas Floyd Bailey
David Michael Haugen
Michael Tague Smalley
Ralph David Wright
Frederick Thomas Tilton
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
Priority claimed from US08/748,987 external-priority patent/US5785120A/en
Priority claimed from US08/946,145 external-priority patent/US5957195A/en
Application filed by Individual filed Critical Individual
Publication of CA2539625A1 publication Critical patent/CA2539625A1/en
Application granted granted Critical
Publication of CA2539625C publication Critical patent/CA2539625C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

An apparatus for expanding a liner patch in a tubular to seal a hole therein, said apparatus comprising a body (134, 206, 306) having a top portion (133, 209, 309), a bottom portion (146, 229, 336) and a middle portion, the middle portion having an outer diameter greater than the top portion and an outer diameter greater than the bottom portion; a first set of fingers (135, 208, 308) disposed around the top portion of said body and a second set of fingers (156, 228, 335) disposed around the bottom portion of said body; the arrangement being such that, in use, said fingers can be urged radially outwardly by displacement thereof over said middle portion.
CA002539625A 1996-11-14 1997-11-14 Apparatus and method for expanding a liner patch Expired - Lifetime CA2539625C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/748,987 1996-11-14
US08/748,987 US5785120A (en) 1996-11-14 1996-11-14 Tubular patch
US08/946,145 US5957195A (en) 1996-11-14 1997-10-07 Wellbore tool stroke indicator system and tubular patch
US08/946,145 1997-10-07
CA002270986A CA2270986C (en) 1996-11-14 1997-11-14 Apparatus and method for expanding a liner patch

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002270986A Division CA2270986C (en) 1996-11-14 1997-11-14 Apparatus and method for expanding a liner patch

Publications (2)

Publication Number Publication Date
CA2539625A1 true CA2539625A1 (en) 1998-05-22
CA2539625C CA2539625C (en) 2008-07-15

Family

ID=36242754

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002539625A Expired - Lifetime CA2539625C (en) 1996-11-14 1997-11-14 Apparatus and method for expanding a liner patch

Country Status (1)

Country Link
CA (1) CA2539625C (en)

Also Published As

Publication number Publication date
CA2539625C (en) 2008-07-15

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MKEX Expiry

Effective date: 20171114