NO20041889L - Konsentrisk, ekspanderbart utvidelsesbor - Google Patents

Konsentrisk, ekspanderbart utvidelsesbor

Info

Publication number
NO20041889L
NO20041889L NO20041889A NO20041889A NO20041889L NO 20041889 L NO20041889 L NO 20041889L NO 20041889 A NO20041889 A NO 20041889A NO 20041889 A NO20041889 A NO 20041889A NO 20041889 L NO20041889 L NO 20041889L
Authority
NO
Norway
Prior art keywords
concentric
expandable expansion
expansion drill
drill
expandable
Prior art date
Application number
NO20041889A
Other languages
English (en)
Other versions
NO332590B1 (no
Inventor
Timothy Paul Beaton
Kenneth M Nevlud
Original Assignee
Smith International
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 Smith International filed Critical Smith International
Publication of NO20041889L publication Critical patent/NO20041889L/no
Publication of NO332590B1 publication Critical patent/NO332590B1/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
    • E21B10/322—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 cutter shifted by fluid pressure

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)
NO20041889A 2003-05-08 2004-05-07 Konsentrisk, ekspanderbart utvidelsesbor NO332590B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46876703P 2003-05-08 2003-05-08

Publications (2)

Publication Number Publication Date
NO20041889L true NO20041889L (no) 2004-11-09
NO332590B1 NO332590B1 (no) 2012-11-12

Family

ID=32508141

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20041889A NO332590B1 (no) 2003-05-08 2004-05-07 Konsentrisk, ekspanderbart utvidelsesbor

Country Status (3)

Country Link
US (1) US7493971B2 (no)
GB (1) GB2401384B (no)
NO (1) NO332590B1 (no)

Families Citing this family (103)

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US9759014B2 (en) 2013-05-13 2017-09-12 Baker Hughes Incorporated Earth-boring tools including movable formation-engaging structures and related methods
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Also Published As

Publication number Publication date
GB2401384B (en) 2007-01-17
US20040222022A1 (en) 2004-11-11
GB0410269D0 (en) 2004-06-09
NO332590B1 (no) 2012-11-12
US7493971B2 (en) 2009-02-24
GB2401384A (en) 2004-11-10

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Legal Events

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