NO20020009L - A sleeve arrangement - Google Patents

A sleeve arrangement

Info

Publication number
NO20020009L
NO20020009L NO20020009A NO20020009A NO20020009L NO 20020009 L NO20020009 L NO 20020009L NO 20020009 A NO20020009 A NO 20020009A NO 20020009 A NO20020009 A NO 20020009A NO 20020009 L NO20020009 L NO 20020009L
Authority
NO
Norway
Prior art keywords
sleeve arrangement
sleeve
arrangement
Prior art date
Application number
NO20020009A
Other languages
Norwegian (no)
Other versions
NO20020009D0 (en
Inventor
Lars Liw
Original Assignee
Lars Liw
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 Lars Liw filed Critical Lars Liw
Publication of NO20020009D0 publication Critical patent/NO20020009D0/en
Publication of NO20020009L publication Critical patent/NO20020009L/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
NO20020009A 1999-07-02 2002-01-02 A sleeve arrangement NO20020009L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9902545A SE516885C2 (en) 1999-07-02 1999-07-02 Guide sleeve arrangement for rock drilling
PCT/SE2000/001395 WO2001002695A1 (en) 1999-07-02 2000-06-30 A sleeve arrangement

Publications (2)

Publication Number Publication Date
NO20020009D0 NO20020009D0 (en) 2002-01-02
NO20020009L true NO20020009L (en) 2002-01-02

Family

ID=20416359

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20020009A NO20020009L (en) 1999-07-02 2002-01-02 A sleeve arrangement

Country Status (5)

Country Link
AU (1) AU6040500A (en)
CA (1) CA2377829A1 (en)
NO (1) NO20020009L (en)
SE (1) SE516885C2 (en)
WO (1) WO2001002695A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114382412A (en) * 2021-11-26 2022-04-22 中国石油天然气股份有限公司 Sleeve type drilling direction changer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856601A (en) * 1986-01-22 1989-08-15 Raney Richard C Drill bit with flow control means
FR2648861B1 (en) * 1989-06-26 1996-06-14 Inst Francais Du Petrole DEVICE FOR GUIDING A ROD TRAIN IN A WELL
US5228518A (en) * 1991-09-16 1993-07-20 Conoco Inc. Downhole activated process and apparatus for centralizing pipe in a wellbore
US5346016A (en) * 1991-09-16 1994-09-13 Conoco Inc. Apparatus and method for centralizing pipe in a wellbore
SE508950C2 (en) * 1993-12-29 1998-11-16 Lars Liw Steering tool for rock drilling

Also Published As

Publication number Publication date
CA2377829A1 (en) 2001-01-11
SE9902545L (en) 2001-01-03
SE516885C2 (en) 2002-03-19
NO20020009D0 (en) 2002-01-02
AU6040500A (en) 2001-01-22
SE9902545D0 (en) 1999-07-02
WO2001002695A1 (en) 2001-01-11

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application