CA2435382A1 - Device and method to seal boreholes - Google Patents

Device and method to seal boreholes Download PDF

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Publication number
CA2435382A1
CA2435382A1 CA002435382A CA2435382A CA2435382A1 CA 2435382 A1 CA2435382 A1 CA 2435382A1 CA 002435382 A CA002435382 A CA 002435382A CA 2435382 A CA2435382 A CA 2435382A CA 2435382 A1 CA2435382 A1 CA 2435382A1
Authority
CA
Canada
Prior art keywords
seal
borehole
swell
expand
conduit
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
CA002435382A
Other languages
French (fr)
Other versions
CA2435382C (en
Inventor
Neil Thomson
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.)
e2Tech Ltd
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 GB0102023A external-priority patent/GB0102023D0/en
Priority claimed from GB0102526A external-priority patent/GB0102526D0/en
Application filed by Individual filed Critical Individual
Publication of CA2435382A1 publication Critical patent/CA2435382A1/en
Application granted granted Critical
Publication of CA2435382C publication Critical patent/CA2435382C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/934—Seal swells when wet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/935—Seal made of a particular material
    • Y10S277/944—Elastomer or plastic

Abstract

Apparatus and methods are described that are particularly suited for creating a seal in a borehole annulus. In one embodiment, an outer surface of an expandable conduit is provided with a formation that includes an elastomeric material (e.g. a rubber) that can expand and/or swell when the material comes into contact with an actuating agent (e.g.
water, brine, drilling fluid etc.). The expandable conduit is located inside a second conduit (e.g. a pre-installed casing, liner or open borehole) and radially expanded.
The actuating agent can be naturally occurring in the borehole or can be injected or pumped therein to expand or swell the elastomeric material to create the seal.
CA002435382A 2001-01-26 2002-01-28 Device and method to seal boreholes Expired - Lifetime CA2435382C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0102023A GB0102023D0 (en) 2001-01-26 2001-01-26 Apparatus and method
GB0102023.9 2001-01-26
GB0102526.1 2001-02-01
GB0102526A GB0102526D0 (en) 2001-02-01 2001-02-01 Apparatus and method
PCT/GB2002/000362 WO2002059452A1 (en) 2001-01-26 2002-01-28 Device and method to seal boreholes

Publications (2)

Publication Number Publication Date
CA2435382A1 true CA2435382A1 (en) 2002-08-01
CA2435382C CA2435382C (en) 2007-06-19

Family

ID=26245619

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002435382A Expired - Lifetime CA2435382C (en) 2001-01-26 2002-01-28 Device and method to seal boreholes

Country Status (6)

Country Link
US (2) US7228915B2 (en)
AU (1) AU2002225233B2 (en)
CA (1) CA2435382C (en)
GB (1) GB2388136B (en)
NO (1) NO332449B1 (en)
WO (1) WO2002059452A1 (en)

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US7866406B2 (en) 2008-09-22 2011-01-11 Baker Hughes Incorporated System and method for plugging a downhole wellbore

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AU2002225233B2 (en) 2007-08-02
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GB2388136B (en) 2005-05-18
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US7228915B2 (en) 2007-06-12
GB0317296D0 (en) 2003-08-27
GB2388136A (en) 2003-11-05
US7578354B2 (en) 2009-08-25
US20040194971A1 (en) 2004-10-07
US20080000646A1 (en) 2008-01-03
CA2435382C (en) 2007-06-19

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