AT542026T - Flow controller for use in an underground hole - Google Patents

Flow controller for use in an underground hole


Publication number
AT542026T AT05713094T AT05713094T AT542026T AT 542026 T AT542026 T AT 542026T AT 05713094 T AT05713094 T AT 05713094T AT 05713094 T AT05713094 T AT 05713094T AT 542026 T AT542026 T AT 542026T
Prior art keywords
flow controller
underground hole
Prior art date
Application number
Other languages
German (de)
Timothy Tips
Original Assignee
Welldynamics 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 Welldynamics Inc filed Critical Welldynamics Inc
Priority to PCT/US2005/003928 priority Critical patent/WO2006085870A1/en
Publication of AT542026T publication Critical patent/AT542026T/en



    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10Valves arrangements in drilling fluid circulation systems
    • E21B21/103Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
AT05713094T 2005-02-08 2005-02-08 Flow controller for use in an underground hole AT542026T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2005/003928 WO2006085870A1 (en) 2005-02-08 2005-02-08 Flow regulator for use in a subterranean well

Publications (1)

Publication Number Publication Date
AT542026T true AT542026T (en) 2012-02-15



Family Applications (1)

Application Number Title Priority Date Filing Date
AT05713094T AT542026T (en) 2005-02-08 2005-02-08 Flow controller for use in an underground hole

Country Status (6)

Country Link
US (1) US7819194B2 (en)
EP (1) EP1848875B1 (en)
AT (1) AT542026T (en)
CA (1) CA2596408C (en)
NO (1) NO20074451L (en)
WO (1) WO2006085870A1 (en)

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Also Published As

Publication number Publication date
EP1848875B1 (en) 2012-01-18
US20060175052A1 (en) 2006-08-10
NO20074451L (en) 2007-08-31
NO339106B1 (en) 2016-11-14
EP1848875A1 (en) 2007-10-31
CA2596408A1 (en) 2006-08-17
US7819194B2 (en) 2010-10-26
WO2006085870A1 (en) 2006-08-17
CA2596408C (en) 2012-04-17
EP1848875A4 (en) 2010-06-09

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