WO2007060449A3 - Downhole tool - Google Patents

Downhole tool Download PDF

Info

Publication number
WO2007060449A3
WO2007060449A3 PCT/GB2006/004400 GB2006004400W WO2007060449A3 WO 2007060449 A3 WO2007060449 A3 WO 2007060449A3 GB 2006004400 W GB2006004400 W GB 2006004400W WO 2007060449 A3 WO2007060449 A3 WO 2007060449A3
Authority
WO
WIPO (PCT)
Prior art keywords
tool
downhole tool
restriction
flow
induce
Prior art date
Application number
PCT/GB2006/004400
Other languages
French (fr)
Other versions
WO2007060449A2 (en
Inventor
Andrew Philip Churchill
Original Assignee
Churchill Drilling Tools Ltd
Andrew Philip Churchill
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 GB0523841A external-priority patent/GB0523841D0/en
Priority claimed from GB0607412A external-priority patent/GB0607412D0/en
Application filed by Churchill Drilling Tools Ltd, Andrew Philip Churchill filed Critical Churchill Drilling Tools Ltd
Priority to US12/094,988 priority Critical patent/US20090056952A1/en
Priority to CA002630916A priority patent/CA2630916A1/en
Priority to EP06808669A priority patent/EP1951988A2/en
Priority to AU2006318890A priority patent/AU2006318890A1/en
Publication of WO2007060449A2 publication Critical patent/WO2007060449A2/en
Publication of WO2007060449A3 publication Critical patent/WO2007060449A3/en
Priority to NO20082813A priority patent/NO20082813L/en

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons

Abstract

A method of actuating a tool in a downhole string comprises utilising a flow restriction, such as a non-return valve, which provides less restriction to fluid flow in the normal direction to induce a reverse fluid pressure differential to permit actuation of the tool.
PCT/GB2006/004400 2005-11-24 2006-11-24 Downhole tool WO2007060449A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/094,988 US20090056952A1 (en) 2005-11-24 2006-11-24 Downhole Tool
CA002630916A CA2630916A1 (en) 2005-11-24 2006-11-24 Downhole tool
EP06808669A EP1951988A2 (en) 2005-11-24 2006-11-24 Downhole tool
AU2006318890A AU2006318890A1 (en) 2005-11-24 2006-11-24 Downhole tool
NO20082813A NO20082813L (en) 2005-11-24 2008-06-23 downhole tool

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0523841.5 2005-11-24
GB0523841A GB0523841D0 (en) 2005-11-24 2005-11-24 Downhole tool
GB0607412A GB0607412D0 (en) 2006-04-13 2006-04-13 Downhole tool
GB0607412.4 2006-04-13

Publications (2)

Publication Number Publication Date
WO2007060449A2 WO2007060449A2 (en) 2007-05-31
WO2007060449A3 true WO2007060449A3 (en) 2007-07-26

Family

ID=37735077

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/004400 WO2007060449A2 (en) 2005-11-24 2006-11-24 Downhole tool

Country Status (6)

Country Link
US (1) US20090056952A1 (en)
EP (1) EP1951988A2 (en)
AU (1) AU2006318890A1 (en)
CA (1) CA2630916A1 (en)
NO (1) NO20082813L (en)
WO (1) WO2007060449A2 (en)

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NO347185B1 (en) * 2014-01-23 2023-06-26 Halliburton Energy Services Inc Testable isolation packer and method for testing an isolation packer in a wellbore casing.
NO347098B1 (en) 2014-05-13 2023-05-15 Weatherford Tech Holdings Llc Closure device and tool and methods for surge pressure reduction
WO2016022120A1 (en) * 2014-08-07 2016-02-11 Halliburton Energy Services, Inc. Multi-zone actuation system using wellbore projectiles and flapper valves
WO2016057496A1 (en) * 2014-10-08 2016-04-14 Weatherford Technology Holdings, Llc Stage tool
NZ734076A (en) 2015-02-23 2022-10-28 Dynomax Drilling Tools Inc Canada Downhole flow diversion device with oscillation damper
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WO2016161306A1 (en) * 2015-04-01 2016-10-06 Weatherford Technology Holdings, Llc Metal-to-metal sealing valve with managed flow erosion across sealing member
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US10294752B2 (en) 2015-08-26 2019-05-21 Geodynamics, Inc. Reverse flow catch-and-release tool and method
US9611721B2 (en) 2015-08-26 2017-04-04 Geodynamics, Inc. Reverse flow sleeve actuation method
US10184319B2 (en) 2015-08-26 2019-01-22 Geodynamics, Inc. Reverse flow seat forming apparatus and method
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Also Published As

Publication number Publication date
EP1951988A2 (en) 2008-08-06
CA2630916A1 (en) 2007-05-31
AU2006318890A1 (en) 2007-05-31
NO20082813L (en) 2008-08-12
US20090056952A1 (en) 2009-03-05
WO2007060449A2 (en) 2007-05-31

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