NO993137L - Underrömmer - Google Patents

Underrömmer

Info

Publication number
NO993137L
NO993137L NO993137A NO993137A NO993137L NO 993137 L NO993137 L NO 993137L NO 993137 A NO993137 A NO 993137A NO 993137 A NO993137 A NO 993137A NO 993137 L NO993137 L NO 993137L
Authority
NO
Norway
Prior art keywords
underreamed
Prior art date
Application number
NO993137A
Other languages
English (en)
Other versions
NO310311B1 (no
NO993137D0 (no
Inventor
Thor Bjoernstad
Original Assignee
Thor Bjoernstad
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 Thor Bjoernstad filed Critical Thor Bjoernstad
Priority to NO19993137A priority Critical patent/NO310311B1/no
Publication of NO993137D0 publication Critical patent/NO993137D0/no
Priority to PCT/NO2000/000209 priority patent/WO2001000961A1/en
Priority to AU51158/00A priority patent/AU5115800A/en
Publication of NO993137L publication Critical patent/NO993137L/no
Publication of NO310311B1 publication Critical patent/NO310311B1/no

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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Glass Compositions (AREA)
  • Earth Drilling (AREA)
NO19993137A 1999-06-24 1999-06-24 Underrömmer NO310311B1 (no)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO19993137A NO310311B1 (no) 1999-06-24 1999-06-24 Underrömmer
PCT/NO2000/000209 WO2001000961A1 (en) 1999-06-24 2000-06-16 An underreamer and a method of using the underreamer
AU51158/00A AU5115800A (en) 1999-06-24 2000-06-16 An underreamer and a method of using the underreamer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO19993137A NO310311B1 (no) 1999-06-24 1999-06-24 Underrömmer

Publications (3)

Publication Number Publication Date
NO993137D0 NO993137D0 (no) 1999-06-24
NO993137L true NO993137L (no) 2000-12-27
NO310311B1 NO310311B1 (no) 2001-06-18

Family

ID=19903497

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19993137A NO310311B1 (no) 1999-06-24 1999-06-24 Underrömmer

Country Status (3)

Country Link
AU (1) AU5115800A (no)
NO (1) NO310311B1 (no)
WO (1) WO2001000961A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053567B4 (de) * 2000-10-27 2004-05-06 Tracto-Technik Gmbh Bohrwerkzeug und Vorrichtung zum Erzeugen einer Umfangsbohrung
US6439323B1 (en) * 2000-11-30 2002-08-27 Westerngeco L.L.C. Seismic shothole reaming module
WO2008156520A1 (en) 2007-06-13 2008-12-24 Exxonmobil Upstream Research Company Methods and apparatus for controlling cutting ribbons during a drilling operation
EP2770156B1 (de) * 2013-02-26 2018-10-10 BAUER Spezialtiefbau GmbH Bohrwerkzeug und Verfahren zum Erdbohren
GB201816969D0 (en) * 2018-10-18 2018-12-05 Lee Paul Bernard Downhole reamer apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1062841A (en) * 1912-09-06 1913-05-27 Charles C Mitchel Reamer.
US1720950A (en) * 1927-12-22 1929-07-16 Grant John Underreamer
US4339008A (en) * 1980-06-09 1982-07-13 D. B. D. Drilling, Inc. Well notching tool
GB8716040D0 (en) * 1987-07-08 1987-08-12 Tri State Oil Tool Uk Underreamer for descaling

Also Published As

Publication number Publication date
NO310311B1 (no) 2001-06-18
WO2001000961A1 (en) 2001-01-04
AU5115800A (en) 2001-01-31
NO993137D0 (no) 1999-06-24

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Legal Events

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