BE589333A - Fleuret d'élargissement à galets, pour forages - Google Patents

Fleuret d'élargissement à galets, pour forages

Info

Publication number
BE589333A
BE589333A BE589333A BE589333A BE589333A BE 589333 A BE589333 A BE 589333A BE 589333 A BE589333 A BE 589333A BE 589333 A BE589333 A BE 589333A BE 589333 A BE589333 A BE 589333A
Authority
BE
Belgium
Prior art keywords
widening
drilling
foil
roller
widening foil
Prior art date
Application number
BE589333A
Other languages
English (en)
Original Assignee
Bergwerksverband Gmbh
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 Bergwerksverband Gmbh filed Critical Bergwerksverband Gmbh
Publication of BE589333A publication Critical patent/BE589333A/fr

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
    • E21B10/08—Roller bits
    • E21B10/12—Roller bits with discs 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
    • E21B10/26—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
    • E21B12/00—Accessories for drilling tools
    • E21B12/06—Mechanical cleaning devices
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (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)
  • Earth Drilling (AREA)
BE589333A 1959-04-09 1960-04-04 Fleuret d'élargissement à galets, pour forages BE589333A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB52777A DE1115662B (de) 1959-04-09 1959-04-09 Erweiterungsrollenmeissel

Publications (1)

Publication Number Publication Date
BE589333A true BE589333A (fr) 1960-08-01

Family

ID=6970019

Family Applications (1)

Application Number Title Priority Date Filing Date
BE589333A BE589333A (fr) 1959-04-09 1960-04-04 Fleuret d'élargissement à galets, pour forages

Country Status (4)

Country Link
US (1) US3170524A (fr)
BE (1) BE589333A (fr)
DE (1) DE1115662B (fr)
GB (1) GB939653A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1218973B (de) * 1963-07-25 1966-06-16 Soeding & Halbach J C Schneidrolle, insbesondere fuer Erweiterungs-rollenmeissel
US3231029A (en) * 1963-10-28 1966-01-25 Robbins & Assoc James S Articulated drilling shafts for raise drilling
US3265139A (en) * 1963-12-09 1966-08-09 Continental Oil Co Roller cone drill bit
US3444939A (en) * 1967-12-11 1969-05-20 Karl Gunther Bechem Cutting roller in particular roller-type enlarging bits
CN108457598B (zh) * 2018-04-27 2023-08-22 廊坊峰铭石油机械设备有限公司 扩孔螺杆钻具装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1661715A (en) * 1927-05-18 1928-03-06 Anthony E Carlson Rotary bit
US1781413A (en) * 1929-07-30 1930-11-11 George C Slocombe Drilling bit
US2790625A (en) * 1950-12-12 1957-04-30 Charles A Dean Under-reamers
US2746719A (en) * 1952-05-22 1956-05-22 Alain R Seligman Drilling device for large bores

Also Published As

Publication number Publication date
US3170524A (en) 1965-02-23
GB939653A (en) 1963-10-16
DE1115662B (de) 1961-10-19

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