IT8348054A0 - BIT FOR DRILLING WELLS - Google Patents

BIT FOR DRILLING WELLS

Info

Publication number
IT8348054A0
IT8348054A0 IT8348054A IT4805483A IT8348054A0 IT 8348054 A0 IT8348054 A0 IT 8348054A0 IT 8348054 A IT8348054 A IT 8348054A IT 4805483 A IT4805483 A IT 4805483A IT 8348054 A0 IT8348054 A0 IT 8348054A0
Authority
IT
Italy
Prior art keywords
bit
drilling wells
wells
drilling
Prior art date
Application number
IT8348054A
Other languages
Italian (it)
Other versions
IT1164645B (en
Inventor
Takano Sho
Original Assignee
Sumitomo Metal Mining 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
Priority claimed from JP12620182A external-priority patent/JPS5918891A/en
Priority claimed from JP12620082A external-priority patent/JPS5918890A/en
Application filed by Sumitomo Metal Mining Co filed Critical Sumitomo Metal Mining Co
Publication of IT8348054A0 publication Critical patent/IT8348054A0/en
Application granted granted Critical
Publication of IT1164645B publication Critical patent/IT1164645B/en

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
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • E21B10/02—Core bits
    • E21B10/06—Roller core bits
    • 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
    • E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit
    • 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)
IT48054/83A 1982-07-20 1983-04-06 DRILL TO DRILL WELLS IT1164645B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12620182A JPS5918891A (en) 1982-07-20 1982-07-20 Underground hole drilling bit
JP12620082A JPS5918890A (en) 1982-07-20 1982-07-20 Underground hole drilling bit

Publications (2)

Publication Number Publication Date
IT8348054A0 true IT8348054A0 (en) 1983-04-06
IT1164645B IT1164645B (en) 1987-04-15

Family

ID=26462421

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48054/83A IT1164645B (en) 1982-07-20 1983-04-06 DRILL TO DRILL WELLS

Country Status (4)

Country Link
DE (1) DE3314583C2 (en)
FR (1) FR2530722B1 (en)
GB (1) GB2123881B (en)
IT (1) IT1164645B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103015899B (en) * 2012-12-19 2015-07-29 江汉石油钻头股份有限公司 A kind of Mixed drilling bit strengthening heart portion cutting function

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2765C (en) * 1900-01-01
US1306674A (en) * 1919-06-10 Cornelis j
US839837A (en) * 1906-04-02 1907-01-01 Taylor Iron & Steel Company Drill-bit for wells.
US1582332A (en) * 1923-12-08 1926-04-27 William V Seifert Roller-bits drilling tool
US1734760A (en) * 1927-12-17 1929-11-05 Reed Roller Bit Co Roller bit
US2100640A (en) * 1937-02-23 1937-11-30 Globe Oil Tools Co Cutter mounting
US2181394A (en) * 1938-08-06 1939-11-28 Charles A Dean Earth drill bit head
US2244537A (en) * 1939-12-22 1941-06-03 Archer W Kammerer Well drilling bit
US2320136A (en) * 1940-09-30 1943-05-25 Archer W Kammerer Well drilling bit
US2667334A (en) * 1951-03-03 1954-01-26 Standard Oil Dev Co Full hole diamond bit
US2709574A (en) * 1953-04-16 1955-05-31 Arutunoff Armais Diamond drill
US2901223A (en) * 1955-11-30 1959-08-25 Hughes Tool Co Earth boring drill
FR1241165A (en) * 1959-07-28 1960-09-16 Roller bit
US3112800A (en) * 1959-08-28 1963-12-03 Phillips Petroleum Co Method of drilling with high velocity jet cutter rock bit
US3100544A (en) * 1960-05-31 1963-08-13 Jersey Prod Res Co Drilling device
FR1273460A (en) * 1960-09-01 1961-10-13 Europ De Turboforage Soc Roller bit for soil drilling
US3216514A (en) * 1962-02-23 1965-11-09 Nelson Norman A Rotary drilling apparatus
US3250337A (en) * 1963-10-29 1966-05-10 Max J Demo Rotary shock wave drill bit
FR1504804A (en) * 1966-10-28 1967-12-08 Reed International Rotary drill bit
US3635296A (en) * 1970-06-04 1972-01-18 Maurice P Lebourg Drill bit construction
FR2135053B1 (en) * 1971-05-04 1974-08-19 Petroles Cie Francaise
US3945445A (en) * 1973-10-15 1976-03-23 Tone Boring Company Limited Boring apparatus provided with drill bits freely rotatable around their own axis
US4186808A (en) * 1977-06-29 1980-02-05 Cox Kenneth C Earth boring machine with crushing rollers
US4284152A (en) * 1979-11-01 1981-08-18 Otis Engineering Corporation Pump in core breaker carrier
DE3123021C2 (en) * 1981-06-10 1984-05-17 Preussag AG Bauwesen, 3005 Hemmingen Drill head for rock drilling

Also Published As

Publication number Publication date
DE3314583A1 (en) 1984-02-09
GB2123881B (en) 1985-11-13
GB2123881A (en) 1984-02-08
DE3314583C2 (en) 1986-01-30
FR2530722A1 (en) 1984-01-27
FR2530722B1 (en) 1987-03-27
IT1164645B (en) 1987-04-15

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940428