CA1003397A - Segmented earth boring drill bit - Google Patents

Segmented earth boring drill bit

Info

Publication number
CA1003397A
CA1003397A CA206,245A CA206245A CA1003397A CA 1003397 A CA1003397 A CA 1003397A CA 206245 A CA206245 A CA 206245A CA 1003397 A CA1003397 A CA 1003397A
Authority
CA
Canada
Prior art keywords
drill bit
earth boring
boring drill
segmented
segmented earth
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
CA206,245A
Other versions
CA206245S (en
Inventor
Rudolf C.O. Pessier
William L. Shepherd
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 CA1003397A publication Critical patent/CA1003397A/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
    • 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)
CA206,245A 1974-01-02 1974-08-02 Segmented earth boring drill bit Expired CA1003397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US430103A US3902562A (en) 1974-01-02 1974-01-02 Segmented earth boring drill bit

Publications (1)

Publication Number Publication Date
CA1003397A true CA1003397A (en) 1977-01-11

Family

ID=23706078

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,245A Expired CA1003397A (en) 1974-01-02 1974-08-02 Segmented earth boring drill bit

Country Status (5)

Country Link
US (1) US3902562A (en)
JP (1) JPS5517031Y2 (en)
CA (1) CA1003397A (en)
GB (1) GB1481546A (en)
ZA (1) ZA744967B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007799A (en) * 1975-07-07 1977-02-15 Smith International, Inc. Raise drill with replaceable stem
US4049067A (en) * 1975-11-05 1977-09-20 Ingersoll-Rand Company Cutter mounting extension apparatus
US4381038A (en) * 1980-11-21 1983-04-26 The Robbins Company Raise bit with cutters stepped in a spiral and flywheel
US20100078223A1 (en) * 2008-09-26 2010-04-01 Buske Robert J Plate structure for earth-boring tools, tools including plate structures and methods of forming such tools
US9834999B2 (en) 2011-07-13 2017-12-05 King Kutter, Inc. Post hole digger
US9163382B2 (en) 2013-01-16 2015-10-20 King Kutter, Inc. Gearbox lock mechanism
US10036205B2 (en) 2015-06-04 2018-07-31 The Charles Machine Works, Inc. Stacked-plate reamer
CN114810086B (en) * 2022-04-25 2025-09-09 浙大城市学院 Internal force calculation method for special segment pipe sheet structure in upward shield construction

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1124445A (en) * 1914-02-24 1915-01-12 Howard R Hughes Transverse-cutter rotary drill.
US1468509A (en) * 1920-10-26 1923-09-18 Roscoe E Overman Drill
US1816568A (en) * 1929-06-05 1931-07-28 Reed Roller Bit Co Drill bit
US2047114A (en) * 1933-05-16 1936-07-07 Chicago Pneumatic Tool Co Combined disk and roller bit
US2086751A (en) * 1934-12-19 1937-07-13 Edward L Taylor Earth boring bit
US2090356A (en) * 1935-02-23 1937-08-17 Chicago Pneumatic Tool Co Annular cutting or bore hole enlarging apparatus
US2949281A (en) * 1957-09-06 1960-08-16 Hughes Tool Co Large diameter earth boring drill
US3099325A (en) * 1961-10-30 1963-07-30 Sr James A Purser Drill bit
US3285355A (en) * 1964-02-17 1966-11-15 Smith Ind International Inc Large diameter well-drilling bit
US3659659A (en) * 1970-02-04 1972-05-02 Dresser Ind Large diameter bit with a replaceable stem

Also Published As

Publication number Publication date
AU7248574A (en) 1976-02-26
US3902562A (en) 1975-09-02
JPS5517031Y2 (en) 1980-04-21
ZA744967B (en) 1975-08-27
JPS50155303U (en) 1975-12-23
GB1481546A (en) 1977-08-03

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