NO2222935T3 - - Google Patents

Info

Publication number
NO2222935T3
NO2222935T3 NO08851345A NO08851345A NO2222935T3 NO 2222935 T3 NO2222935 T3 NO 2222935T3 NO 08851345 A NO08851345 A NO 08851345A NO 08851345 A NO08851345 A NO 08851345A NO 2222935 T3 NO2222935 T3 NO 2222935T3
Authority
NO
Norway
Application number
NO08851345A
Other languages
Norwegian (no)
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 filed Critical
Publication of NO2222935T3 publication Critical patent/NO2222935T3/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
NO08851345A 2007-11-20 2008-11-20 NO2222935T3 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US98934507P 2007-11-20 2007-11-20
PCT/US2008/084177 WO2009067588A2 (en) 2007-11-20 2008-11-20 Wired multi-opening circulating sub

Publications (1)

Publication Number Publication Date
NO2222935T3 true NO2222935T3 (pt) 2018-03-10

Family

ID=40668071

Family Applications (1)

Application Number Title Priority Date Filing Date
NO08851345A NO2222935T3 (pt) 2007-11-20 2008-11-20

Country Status (9)

Country Link
US (2) US8844634B2 (pt)
EP (1) EP2222935B1 (pt)
BR (2) BRPI0819298B1 (pt)
CA (2) CA2913365C (pt)
GB (1) GB2467263B (pt)
MX (1) MX2010005598A (pt)
NO (1) NO2222935T3 (pt)
RU (1) RU2440482C1 (pt)
WO (2) WO2009067485A2 (pt)

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Also Published As

Publication number Publication date
BRPI0819298B1 (pt) 2019-03-12
BRPI0819290B1 (pt) 2019-02-26
EP2222935A2 (en) 2010-09-01
US8863852B2 (en) 2014-10-21
CA2705295A1 (en) 2009-05-28
BRPI0819298A2 (pt) 2015-05-12
CA2913365C (en) 2017-01-24
WO2009067588A2 (en) 2009-05-28
WO2009067485A2 (en) 2009-05-28
US20100270034A1 (en) 2010-10-28
CA2705295C (en) 2016-06-14
CA2913365A1 (en) 2009-05-28
GB2467263A (en) 2010-07-28
BRPI0819290A2 (pt) 2017-05-02
MX2010005598A (es) 2010-06-08
WO2009067485A3 (en) 2009-09-03
GB2467263B (en) 2012-09-19
US20100252276A1 (en) 2010-10-07
WO2009067588A3 (en) 2009-07-09
EP2222935A4 (en) 2016-03-09
EP2222935B1 (en) 2017-10-11
US8844634B2 (en) 2014-09-30
RU2440482C1 (ru) 2012-01-20
GB201008271D0 (en) 2010-06-30

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