FR2226547A1 - - Google Patents

Info

Publication number
FR2226547A1
FR2226547A1 FR7413772A FR7413772A FR2226547A1 FR 2226547 A1 FR2226547 A1 FR 2226547A1 FR 7413772 A FR7413772 A FR 7413772A FR 7413772 A FR7413772 A FR 7413772A FR 2226547 A1 FR2226547 A1 FR 2226547A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7413772A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of FR2226547A1 publication Critical patent/FR2226547A1/fr
Withdrawn legal-status Critical Current

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
    • E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type
    • 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
    • E21B10/10—Roller bits with roller axle supported at both ends
    • 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
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable

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)
FR7413772A 1973-04-23 1974-04-19 Withdrawn FR2226547A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US353539A US3870370A (en) 1973-04-23 1973-04-23 Universal saddle mounting for fixed and rolling cutters

Publications (1)

Publication Number Publication Date
FR2226547A1 true FR2226547A1 (en) 1974-11-15

Family

ID=23389561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413772A Withdrawn FR2226547A1 (en) 1973-04-23 1974-04-19

Country Status (7)

Country Link
US (1) US3870370A (en)
CA (1) CA994372A (en)
DE (1) DE2420062A1 (en)
FR (1) FR2226547A1 (en)
GB (1) GB1459832A (en)
ZA (1) ZA741621B (en)
ZM (1) ZM5774A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT341978B (en) * 1976-04-14 1978-03-10 Voest Ag ROUND CHISEL
US4690228A (en) * 1986-03-14 1987-09-01 Eastman Christensen Company Changeover bit for extended life, varied formations and steady wear
US4736533A (en) * 1986-06-26 1988-04-12 May Charles R Interiorly located, rotating, self sharpening replaceable digging tooth apparatus and method
DE19821390A1 (en) * 1998-05-13 1999-11-25 Sauer Klaus Dieter Roller chisel for tunnel boring machine
EP0957232A1 (en) * 1998-05-13 1999-11-17 BOART LONGYEAR GMBH & CO. KG HARTMETALLWERKZEUGFABRIK Roller bit with segemented cutting rings for tunneling machines
DE102005050932B3 (en) * 2005-10-21 2007-06-14 Tracto-Technik Gmbh Überbohrvorrichtung
US10458188B2 (en) * 2017-10-26 2019-10-29 Baker Hughes, A Ge Company, Llc Cutting element assemblies comprising rotatable cutting elements, earth-boring tools including such cutting element assemblies, and related methods
WO2022072369A1 (en) * 2020-09-29 2022-04-07 Schlumberger Technology Corporation Hybrid bit
CN112627739B (en) * 2020-12-31 2024-08-16 湖南创远高新机械有限责任公司 Hob mounting structure for raise boring machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1571309A (en) * 1922-03-28 1926-02-02 Orlando B Wall Well-drilling apparatus
US3203492A (en) * 1963-01-14 1965-08-31 Dresser Ind Large hole earth boring drill bit
US3413036A (en) * 1965-11-20 1968-11-26 Mining Progress Inc Pick having limited angular movement, opposed directional cutting faces, and trunnion mounting therefor

Also Published As

Publication number Publication date
US3870370A (en) 1975-03-11
DE2420062A1 (en) 1974-10-24
GB1459832A (en) 1976-12-31
CA994372A (en) 1976-08-03
ZA741621B (en) 1975-02-26
ZM5774A1 (en) 1975-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse