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NO20026184D0 - Borekrone - Google Patents

Borekrone

Info

Publication number
NO20026184D0
NO20026184D0 NO20026184A NO20026184A NO20026184D0 NO 20026184 D0 NO20026184 D0 NO 20026184D0 NO 20026184 A NO20026184 A NO 20026184A NO 20026184 A NO20026184 A NO 20026184A NO 20026184 D0 NO20026184 D0 NO 20026184D0
Authority
NO
Norway
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
NO20026184A
Other languages
English (en)
Other versions
NO326551B1 (no
NO20026184L (no
Inventor
Giancarlo Tomasso Pietro Pia
Original Assignee
Weatherford Lamb
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 Weatherford Lamb filed Critical Weatherford Lamb
Publication of NO20026184D0 publication Critical patent/NO20026184D0/no
Publication of NO20026184L publication Critical patent/NO20026184L/no
Publication of NO326551B1 publication Critical patent/NO326551B1/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
    • E21B10/34—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 of roller-cutter type
    • E21B10/345—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 of roller-cutter type cutter shifted by fluid pressure

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)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling And Boring (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
NO20026184A 2000-06-28 2002-12-19 Ekspanderbar borekrone og fremgangsmate ved utforming av en boring NO326551B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0015714A GB2364079B (en) 2000-06-28 2000-06-28 Drill bits
PCT/GB2001/002858 WO2002001037A1 (en) 2000-06-28 2001-06-27 Drill bits

Publications (3)

Publication Number Publication Date
NO20026184D0 true NO20026184D0 (no) 2002-12-19
NO20026184L NO20026184L (no) 2003-02-12
NO326551B1 NO326551B1 (no) 2009-01-05

Family

ID=9894493

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20026184A NO326551B1 (no) 2000-06-28 2002-12-19 Ekspanderbar borekrone og fremgangsmate ved utforming av en boring

Country Status (8)

Country Link
US (1) US7195085B2 (no)
EP (1) EP1297242B1 (no)
AU (1) AU2001274343A1 (no)
CA (1) CA2413377C (no)
DE (1) DE60133554T2 (no)
GB (1) GB2364079B (no)
NO (1) NO326551B1 (no)
WO (1) WO2002001037A1 (no)

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Also Published As

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NO326551B1 (no) 2009-01-05
GB2364079B (en) 2004-11-17
NO20026184L (no) 2003-02-12
DE60133554D1 (de) 2008-05-21
DE60133554T2 (de) 2009-06-18
GB0015714D0 (en) 2000-08-16
WO2002001037A1 (en) 2002-01-03
US7195085B2 (en) 2007-03-27
GB2364079A (en) 2002-01-16
US20030111267A1 (en) 2003-06-19
CA2413377C (en) 2008-04-08
EP1297242B1 (en) 2008-04-09
CA2413377A1 (en) 2002-01-03
EP1297242A1 (en) 2003-04-02
AU2001274343A1 (en) 2002-01-08

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