CA2329388A1 - Apparatus and method for packing or anchoring an inner tubular within a casing - Google Patents

Apparatus and method for packing or anchoring an inner tubular within a casing Download PDF

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Publication number
CA2329388A1
CA2329388A1 CA002329388A CA2329388A CA2329388A1 CA 2329388 A1 CA2329388 A1 CA 2329388A1 CA 002329388 A CA002329388 A CA 002329388A CA 2329388 A CA2329388 A CA 2329388A CA 2329388 A1 CA2329388 A1 CA 2329388A1
Authority
CA
Canada
Prior art keywords
anchoring
casing
packing
inner tubular
edge
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
CA002329388A
Other languages
French (fr)
Other versions
CA2329388C (en
Inventor
Richard Ross
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.)
Smith International Inc
Original Assignee
Smith International 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 Smith International Inc filed Critical Smith International Inc
Publication of CA2329388A1 publication Critical patent/CA2329388A1/en
Application granted granted Critical
Publication of CA2329388C publication Critical patent/CA2329388C/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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
    • E21B33/1212—Packers; Plugs characterised by the construction of the sealing or packing means including a metal-to-metal seal element
    • 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
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/127—Packers; Plugs with inflatable sleeve
    • E21B33/1277—Packers; Plugs with inflatable sleeve characterised by the construction or fixation of the sleeve

Abstract

The present invention provides an apparatus and method for sealing and/or anchoring against the inside surface of an outer tubular. In one embodiment, a radially expandable sleeve has at least one radially expandable separate rings located there about. The at least one ring is capable of radial expansion without appreciable deformation of the at least one edge for improved engagement between the at least one edge and the inside surface of the outer tubular. In another embodiment, the present invention provides an inflatable metal to metal seal packer that is able to accommodate out of round casing.
CA002329388A 1999-12-22 2000-12-21 Apparatus and method for packing or anchoring an inner tubular within a casing Expired - Fee Related CA2329388C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17135999P 1999-12-22 1999-12-22
US60/171,359 1999-12-22

Publications (2)

Publication Number Publication Date
CA2329388A1 true CA2329388A1 (en) 2001-06-22
CA2329388C CA2329388C (en) 2008-03-18

Family

ID=22623451

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002329388A Expired - Fee Related CA2329388C (en) 1999-12-22 2000-12-21 Apparatus and method for packing or anchoring an inner tubular within a casing

Country Status (4)

Country Link
US (1) US6513600B2 (en)
CA (1) CA2329388C (en)
GB (1) GB2357536B (en)
NO (1) NO322912B1 (en)

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Also Published As

Publication number Publication date
CA2329388C (en) 2008-03-18
GB0031568D0 (en) 2001-02-07
US6513600B2 (en) 2003-02-04
NO20006607D0 (en) 2000-12-22
GB2357536A (en) 2001-06-27
GB2357536B (en) 2004-06-09
US20020014339A1 (en) 2002-02-07
NO20006607L (en) 2001-06-25
NO322912B1 (en) 2006-12-18

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