BE639074A - - Google Patents

Info

Publication number
BE639074A
BE639074A BE639074DA BE639074A BE 639074 A BE639074 A BE 639074A BE 639074D A BE639074D A BE 639074DA BE 639074 A BE639074 A BE 639074A
Authority
BE
Belgium
Application number
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.)
Publication of BE639074A publication Critical patent/BE639074A/xx

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
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • 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
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement

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)
BE639074D 1962-10-23 BE639074A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23255862A 1962-10-23 1962-10-23

Publications (1)

Publication Number Publication Date
BE639074A true BE639074A (fr)

Family

ID=22873622

Family Applications (1)

Application Number Title Priority Date Filing Date
BE639074D BE639074A (fr) 1962-10-23

Country Status (2)

Country Link
BE (1) BE639074A (fr)
GB (1) GB1014433A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677699B1 (fr) * 1991-06-11 1997-03-14 Total Petroles Outil de forage a molettes coniques rotatives.
AR016883A1 (es) * 1997-08-28 2001-08-01 Shell Int Research Un trepano rotativo para perforar
US6290008B1 (en) 1998-12-07 2001-09-18 Smith International, Inc. Inserts for earth-boring bits
US6227318B1 (en) 1998-12-07 2001-05-08 Smith International, Inc. Superhard material enhanced inserts for earth-boring bits
US6241035B1 (en) 1998-12-07 2001-06-05 Smith International, Inc. Superhard material enhanced inserts for earth-boring bits

Also Published As

Publication number Publication date
GB1014433A (en) 1965-12-22

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