CA2407506A1 - Expandable apparatus for drift and reaming a borehole - Google Patents

Expandable apparatus for drift and reaming a borehole Download PDF

Info

Publication number
CA2407506A1
CA2407506A1 CA002407506A CA2407506A CA2407506A1 CA 2407506 A1 CA2407506 A1 CA 2407506A1 CA 002407506 A CA002407506 A CA 002407506A CA 2407506 A CA2407506 A CA 2407506A CA 2407506 A1 CA2407506 A1 CA 2407506A1
Authority
CA
Canada
Prior art keywords
borehole
reaming
expandable
drift
casing
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
CA002407506A
Other languages
French (fr)
Other versions
CA2407506C (en
Inventor
Rory Mccrae Tulloch
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
Weatherford/Lamb, Inc.
Rory Mccrae Tulloch
Bain, James
Haites, Binnert Ruerd
Bbl Downhole Tools Limited
Weatherford Technology Holdings, Llc
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 Weatherford/Lamb, Inc., Rory Mccrae Tulloch, Bain, James, Haites, Binnert Ruerd, Bbl Downhole Tools Limited, Weatherford Technology Holdings, Llc filed Critical Weatherford/Lamb, Inc.
Publication of CA2407506A1 publication Critical patent/CA2407506A1/en
Application granted granted Critical
Publication of CA2407506C publication Critical patent/CA2407506C/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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Abstract

An expandable reamer shoe is provided for use with expandable casing in a borehole. The reamer shoe has a number of reaming members in the form of blades which remain closed against the body of the shoe when inserted through casing, and can then be expanded to underream below the casing. Additionally, the expandable reamer shoe is made substantially of a drillable material so that the borehole can be extended beyond the point reached by the expandable reamer shoe.
CA002407506A 2000-04-28 2001-04-02 Expandable apparatus for drift and reaming a borehole Expired - Fee Related CA2407506C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0010378.8A GB0010378D0 (en) 2000-04-28 2000-04-28 Expandable apparatus for drift and reaming a borehole
GB0010378.8 2000-04-28
PCT/GB2001/001512 WO2001083932A1 (en) 2000-04-28 2001-04-02 Expandable apparatus for drift and reaming a borehole

Publications (2)

Publication Number Publication Date
CA2407506A1 true CA2407506A1 (en) 2001-11-08
CA2407506C CA2407506C (en) 2008-07-29

Family

ID=9890690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002407506A Expired - Fee Related CA2407506C (en) 2000-04-28 2001-04-02 Expandable apparatus for drift and reaming a borehole

Country Status (8)

Country Link
US (1) US7100713B2 (en)
EP (2) EP1889997A1 (en)
AU (1) AU779410B2 (en)
CA (1) CA2407506C (en)
DE (1) DE60130646D1 (en)
GB (1) GB0010378D0 (en)
NO (2) NO326016B1 (en)
WO (1) WO2001083932A1 (en)

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* Cited by examiner, † Cited by third party
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WO2008047218A3 (en) * 2006-10-21 2008-12-18 Paul Bernard Lee Activating device for a downhole tool
US8104549B2 (en) 2006-10-21 2012-01-31 Paul Bernard Lee Activating device for a downhole tool

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GB0010378D0 (en) 2000-06-14
WO2001083932A1 (en) 2001-11-08
US7100713B2 (en) 2006-09-05
US20030164251A1 (en) 2003-09-04
AU4438001A (en) 2001-11-12
EP1889997A1 (en) 2008-02-20
EP1276953A1 (en) 2003-01-22
EP1276953B1 (en) 2007-09-26
NO20024901L (en) 2002-12-27
NO339573B1 (en) 2017-01-09
NO326016B1 (en) 2008-09-01
DE60130646D1 (en) 2007-11-08
NO20024901D0 (en) 2002-10-11
CA2407506C (en) 2008-07-29
NO20082868L (en) 2008-06-25

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