NO20020229D0 - Nedihulls verktöy - Google Patents

Nedihulls verktöy

Info

Publication number
NO20020229D0
NO20020229D0 NO20020229A NO20020229A NO20020229D0 NO 20020229 D0 NO20020229 D0 NO 20020229D0 NO 20020229 A NO20020229 A NO 20020229A NO 20020229 A NO20020229 A NO 20020229A NO 20020229 D0 NO20020229 D0 NO 20020229D0
Authority
NO
Norway
Prior art keywords
downhole tool
downhole
tool
Prior art date
Application number
NO20020229A
Other languages
English (en)
Other versions
NO20020229L (no
NO321496B1 (no
Inventor
Andrew Philip Churchill
Original Assignee
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 to GBGB9916513.6A priority Critical patent/GB9916513D0/en
Priority to PCT/GB2000/002712 priority patent/WO2001006086A1/en
Application filed by Andrew Philip Churchill filed Critical Andrew Philip Churchill
Publication of NO20020229D0 publication Critical patent/NO20020229D0/no
Publication of NO20020229L publication Critical patent/NO20020229L/no
Publication of NO321496B1 publication Critical patent/NO321496B1/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B23/004Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006"J-slot" systems, i.e. lug and slot indexing mechanisms
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10Valve 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/06Valve arrangements for boreholes or wells in wells
    • E21B34/08Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
NO20020229A 1999-07-15 2002-01-15 Nedihullsomlopsventil NO321496B1 (no)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB9916513.6A GB9916513D0 (en) 1999-07-15 1999-07-15 Bypass tool
PCT/GB2000/002712 WO2001006086A1 (en) 1999-07-15 2000-07-14 Downhole bypass valve

Publications (3)

Publication Number Publication Date
NO20020229D0 true NO20020229D0 (no) 2002-01-15
NO20020229L NO20020229L (no) 2002-03-06
NO321496B1 NO321496B1 (no) 2006-05-15

Family

ID=10857228

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20020229A NO321496B1 (no) 1999-07-15 2002-01-15 Nedihullsomlopsventil

Country Status (8)

Country Link
US (2) US6820697B1 (no)
EP (1) EP1198656A1 (no)
AU (1) AU778372B2 (no)
CA (1) CA2381360C (no)
GB (1) GB9916513D0 (no)
HK (1) HK1046161A1 (no)
NO (1) NO321496B1 (no)
WO (1) WO2001006086A1 (no)

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Also Published As

Publication number Publication date
AU6169800A (en) 2001-02-05
EP1198656A1 (en) 2002-04-24
NO20020229L (no) 2002-03-06
CA2381360A1 (en) 2001-01-25
US20050072572A1 (en) 2005-04-07
HK1046161A1 (zh) 2002-12-27
NO321496B1 (no) 2006-05-15
GB9916513D0 (en) 1999-09-15
WO2001006086A1 (en) 2001-01-25
US6820697B1 (en) 2004-11-23
AU778372B2 (en) 2004-12-02
CA2381360C (en) 2008-06-10

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MM1K Lapsed by not paying the annual fees