NO321496B1 - Nedihullsomlopsventil - Google Patents

Nedihullsomlopsventil Download PDF

Info

Publication number
NO321496B1
NO321496B1 NO20020229A NO20020229A NO321496B1 NO 321496 B1 NO321496 B1 NO 321496B1 NO 20020229 A NO20020229 A NO 20020229A NO 20020229 A NO20020229 A NO 20020229A NO 321496 B1 NO321496 B1 NO 321496B1
Authority
NO
Norway
Prior art keywords
sleeve
tool
fluid
string
flow
Prior art date
Application number
NO20020229A
Other languages
English (en)
Norwegian (no)
Other versions
NO20020229L (no
NO20020229D0 (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
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

    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/08—Valve 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)

Applications Claiming Priority (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 NO20020229D0 (no) 2002-01-15
NO20020229L NO20020229L (no) 2002-03-06
NO321496B1 true 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 (zh)
EP (1) EP1198656A1 (zh)
AU (1) AU778372B2 (zh)
CA (1) CA2381360C (zh)
GB (1) GB9916513D0 (zh)
HK (1) HK1046161A1 (zh)
NO (1) NO321496B1 (zh)
WO (1) WO2001006086A1 (zh)

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Also Published As

Publication number Publication date
GB9916513D0 (en) 1999-09-15
NO20020229L (no) 2002-03-06
CA2381360A1 (en) 2001-01-25
CA2381360C (en) 2008-06-10
EP1198656A1 (en) 2002-04-24
AU778372B2 (en) 2004-12-02
AU6169800A (en) 2001-02-05
NO20020229D0 (no) 2002-01-15
HK1046161A1 (zh) 2002-12-27
US6820697B1 (en) 2004-11-23
US20050072572A1 (en) 2005-04-07
WO2001006086A1 (en) 2001-01-25

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