CA1185276A - Variable diameter earth boring bit - Google Patents

Variable diameter earth boring bit

Info

Publication number
CA1185276A
CA1185276A CA000419861A CA419861A CA1185276A CA 1185276 A CA1185276 A CA 1185276A CA 000419861 A CA000419861 A CA 000419861A CA 419861 A CA419861 A CA 419861A CA 1185276 A CA1185276 A CA 1185276A
Authority
CA
Canada
Prior art keywords
bit body
outer ring
ring segment
central bit
central
Prior art date
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.)
Expired
Application number
CA000419861A
Other languages
English (en)
French (fr)
Inventor
Robert J. Buske
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.)
Hughes Tool Co
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of CA1185276A publication Critical patent/CA1185276A/en
Expired 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
    • E21B10/26—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
    • E21B10/10—Roller bits with roller axle supported at both ends
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
    • E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
CA000419861A 1982-05-10 1983-01-20 Variable diameter earth boring bit Expired CA1185276A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/376,793 1982-05-10
US06/376,793 US4448270A (en) 1982-05-10 1982-05-10 Variable diameter earth boring bit

Publications (1)

Publication Number Publication Date
CA1185276A true CA1185276A (en) 1985-04-09

Family

ID=23486525

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000419861A Expired CA1185276A (en) 1982-05-10 1983-01-20 Variable diameter earth boring bit

Country Status (5)

Country Link
US (1) US4448270A (enExample)
JP (2) JPS58185686A (enExample)
AU (1) AU543855B2 (enExample)
CA (1) CA1185276A (enExample)
DE (1) DE3313396C2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697652A (en) * 1986-09-19 1987-10-06 Reed Mining Tools, Inc. Reversible roller stabilizer extensions for earth boring head
TWI221501B (en) * 2001-07-23 2004-10-01 Taisei Corp Shield tunneling method and shield tunneling machine
US8252225B2 (en) * 2009-03-04 2012-08-28 Baker Hughes Incorporated Methods of forming erosion-resistant composites, methods of using the same, and earth-boring tools utilizing the same in internal passageways
US7828089B2 (en) * 2007-12-14 2010-11-09 Baker Hughes Incorporated Erosion resistant fluid passageways and flow tubes for earth-boring tools, methods of forming the same and earth-boring tools including the same
CN110735640B (zh) * 2019-11-06 2022-03-22 中国铁建重工集团股份有限公司 一种竖井掘进机及其刀盘
CN113250701B (zh) * 2021-06-15 2021-09-21 中国铁建重工集团股份有限公司 一种竖井掘进机及其刀盘

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066161B (de) * 1959-10-01 Hughes Tool Company, Houston, Tex. (V. St. A.) Rollenbohrmeißel mit großem Durchmesser
US961115A (en) * 1909-05-15 1910-06-14 William P Fouts Expansion-reamer.
US1481546A (en) * 1920-12-22 1924-01-22 Bethke Leo Can opener
US2131056A (en) * 1936-03-25 1938-09-27 American Smelting Refining Drill
DE1119194B (de) * 1958-12-12 1961-12-14 J C Soeding & Halbach Edelstah Bohrer zum Herstellen von Bohrloechern in anstehenden Mineralien
US3231029A (en) * 1963-10-28 1966-01-25 Robbins & Assoc James S Articulated drilling shafts for raise drilling
DE1216822B (de) * 1965-03-27 1966-05-18 Beteiligungs & Patentverw Gmbh Streckenvortriebsmaschine
US3460867A (en) * 1965-10-24 1969-08-12 Russell J Cameron Mining and retorting of oil shale
DE1552437A1 (de) * 1966-04-30 1970-07-23 Scharmann & Co Schnellspannvorrichtung an Werkzeugmaschinen,insbesondere fuer kegelige Werkzeuge
DE1275976B (de) * 1966-11-18 1968-08-29 Georg Schoenfeld Streckenvortriebsmaschine fuer Tunnel und Strecken im Bergbau mit Bohrwerkzeugen
US3486572A (en) * 1967-02-28 1969-12-30 Lawrence Mfg Co Apparatus for forming inclined bores
US3481248A (en) * 1967-12-28 1969-12-02 Gorton Machine Corp Drawbar for machine tools
US3675729A (en) * 1970-05-08 1972-07-11 Smith International Bit lubrication system
US3676120A (en) * 1971-02-26 1972-07-11 Custom Tool & Machine Co Inc Side operated drawbolt for tool-carrying spindle
US3830318A (en) * 1972-11-17 1974-08-20 Subterranean Tools Inc Excavating machine
US3926782A (en) * 1973-02-09 1975-12-16 Mobil Oil Corp Hydrocarbon conversion
GB1469752A (en) * 1973-04-16 1977-04-06 Mcalpine & Sons Ltd Sir Robert Tunnelling machines
US3905430A (en) * 1973-08-29 1975-09-16 Consolidation Coal Co Apparatus for raise drilling
US3917009A (en) * 1974-09-16 1975-11-04 Dresser Ind Removable stem for raise bits
US4069760A (en) * 1976-03-01 1978-01-24 Eckels Robert E Method for driving a shaft with shaped charges
US4073352A (en) * 1976-03-03 1978-02-14 Occidental Oil Shale, Inc. Raise bore drilling machine
US4022287A (en) * 1976-04-20 1977-05-10 Sandvik Aktiebolag Percussion drill bit
DE2709030C2 (de) * 1977-03-02 1985-05-15 Stahl- Und Apparatebau Hans Leffer Gmbh, 6602 Dudweiler Drehbohrkrone mit Schwenkflügeln
US4259174A (en) * 1979-03-19 1981-03-31 Mobil Oil Corporation Catalytic dewaxing of hydrocarbon oils
US4229282A (en) * 1979-04-27 1980-10-21 Mobil Oil Corporation Catalytic dewaxing of hydrocarbon oils
US4255282A (en) * 1979-05-11 1981-03-10 Union Oil Company Of California Hydrotreating catalyst and process for its preparation
JPS5620087A (en) * 1979-07-30 1981-02-25 Mitsubishi Chem Ind Ltd Conversion of hydrocarbon

Also Published As

Publication number Publication date
JPS6217063B2 (enExample) 1987-04-15
DE3313396A1 (de) 1983-11-10
JPS58185686A (ja) 1983-10-29
DE3313396C2 (de) 1986-07-24
JPS58195686A (ja) 1983-11-14
AU1385583A (en) 1983-11-17
AU543855B2 (en) 1985-05-02
US4448270A (en) 1984-05-15

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry