SE9800608L - Låssystem - Google Patents

Låssystem

Info

Publication number
SE9800608L
SE9800608L SE9800608A SE9800608A SE9800608L SE 9800608 L SE9800608 L SE 9800608L SE 9800608 A SE9800608 A SE 9800608A SE 9800608 A SE9800608 A SE 9800608A SE 9800608 L SE9800608 L SE 9800608L
Authority
SE
Sweden
Prior art keywords
balls
main body
holes
pct
spring
Prior art date
Application number
SE9800608A
Other languages
English (en)
Swedish (sv)
Other versions
SE9800608D0 (sv
Inventor
Thomas Mcleod Gavin
Original Assignee
Dht Technologies Ltd
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 Dht Technologies Ltd filed Critical Dht Technologies Ltd
Publication of SE9800608L publication Critical patent/SE9800608L/
Publication of SE9800608D0 publication Critical patent/SE9800608D0/xx

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
    • E21B23/02—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
    • 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
    • E21B10/00—Drill bits
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
SE9800608A 1995-08-28 1998-02-27 Låsningssystem SE9800608D0 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPN5049A AUPN504995A0 (en) 1995-08-28 1995-08-28 Locking system
PCT/AU1996/000537 WO1997008426A1 (en) 1995-08-28 1996-08-27 Locking system

Publications (2)

Publication Number Publication Date
SE9800608L true SE9800608L (sv) 1998-02-27
SE9800608D0 SE9800608D0 (sv) 1998-02-27

Family

ID=3789377

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9800608A SE9800608D0 (sv) 1995-08-28 1998-02-27 Låsningssystem

Country Status (7)

Country Link
US (1) US6039129A ( )
JP (1) JP2001507414A ( )
AU (1) AUPN504995A0 ( )
CA (1) CA2230573A1 ( )
GB (1) GB2319048B ( )
SE (1) SE9800608D0 ( )
WO (1) WO1997008426A1 ( )

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005072354A1 (en) * 2004-01-27 2005-08-11 Baker Hughes Incorporated Rotationally locked wear sleeve for through-tubing drilling and completion
US20080078584A1 (en) * 2006-09-28 2008-04-03 Atlas Copco Secoroc Ab Bit assembly for down-hole drills
US9359847B2 (en) 2007-03-03 2016-06-07 Longyear Tm, Inc. High productivity core drilling system
CN101675205B (zh) * 2007-03-03 2013-12-25 朗耶商标有限公司 高生产率的芯钻探系统
US20090218810A1 (en) 2008-02-29 2009-09-03 James Carter Clare Portable integral fitted plastic pipe system
JP5147488B2 (ja) * 2008-03-27 2013-02-20 株式会社マキタ 作業工具
US7967085B2 (en) * 2008-04-22 2011-06-28 Longyear Tm, Inc. Braking devices for use in drilling operations
AU2012203543B2 (en) * 2008-04-22 2015-01-22 Boart Longyear Company Braking devices and methods for use in drilling operations
US8794355B2 (en) * 2009-10-07 2014-08-05 Longyear Tm, Inc. Driven latch mechanism
US8485280B2 (en) 2009-10-07 2013-07-16 Longyear Tm, Inc. Core drilling tools with retractably lockable driven latch mechanisms
US8869918B2 (en) * 2009-10-07 2014-10-28 Longyear Tm, Inc. Core drilling tools with external fluid pathways
US9399898B2 (en) 2009-10-07 2016-07-26 Longyear Tm, Inc. Core drilling tools with retractably lockable driven latch mechanisms
US9528337B2 (en) 2009-10-07 2016-12-27 Longyear Tm, Inc. Up-hole bushing and core barrel head assembly comprising same
CN107299829B (zh) * 2016-04-15 2023-07-18 贵州航天凯山石油仪器有限公司 一种油管封堵工具的井下锚定方法及装置
CN109236278A (zh) * 2018-08-21 2019-01-18 中国石油天然气股份有限公司 井下测试仪器综合防护装置
CN113123746A (zh) * 2020-01-10 2021-07-16 成都百胜野牛科技有限公司 一种井下施放器及井下工具组合体

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1229300A ( ) * 1960-09-06
US3433304A (en) * 1967-05-18 1969-03-18 Schlumberger Technology Corp Coupling device for use in well tools
US3606926A (en) * 1969-04-17 1971-09-21 Otis Eng Co Apparatus and method for installing and removing well tools in a tubing string
US3863715A (en) * 1973-10-10 1975-02-04 Otis Eng Co Landing and running tool assembly
US4018275A (en) * 1976-05-12 1977-04-19 Gaut Robert T Anchoring device for well tools
US4399873A (en) * 1981-06-16 1983-08-23 Mwl Tool And Supply Company Retrievable insert landing assembly
US4591197A (en) * 1983-09-27 1986-05-27 Ava International Corp. Wire line running and/or pulling tool
US4554972A (en) * 1984-04-30 1985-11-26 Otis Engineering Corporation Well tool locking device
US4823872A (en) * 1988-04-22 1989-04-25 Baker Hughes Incorporated Downhole locking apparatus
EP0678654B1 (en) * 1993-06-16 2000-03-15 Down Hole Technologies Pty. Ltd. Replaceable cutting means segment for use in a ground drill

Also Published As

Publication number Publication date
US6039129A (en) 2000-03-21
GB9803743D0 (en) 1998-04-15
GB2319048B (en) 1999-04-07
CA2230573A1 (en) 1997-03-06
AUPN504995A0 (en) 1995-09-21
JP2001507414A (ja) 2001-06-05
WO1997008426A1 (en) 1997-03-06
GB2319048A (en) 1998-05-13
SE9800608D0 (sv) 1998-02-27

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