GB1557515A - Rotary drill bits - Google Patents

Rotary drill bits

Info

Publication number
GB1557515A
GB1557515A GB4880277A GB4880277A GB1557515A GB 1557515 A GB1557515 A GB 1557515A GB 4880277 A GB4880277 A GB 4880277A GB 4880277 A GB4880277 A GB 4880277A GB 1557515 A GB1557515 A GB 1557515A
Authority
GB
United Kingdom
Prior art keywords
drill bits
rotary drill
rotary
bits
drill
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
GB4880277A
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.)
Individual
Original Assignee
Individual
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 MX16715376A external-priority patent/MX143004A/en
Priority claimed from US05/800,916 external-priority patent/US4154312A/en
Application filed by Individual filed Critical Individual
Publication of GB1557515A publication Critical patent/GB1557515A/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
    • E21B10/08—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
    • E21B10/18—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
    • E21B10/08—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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

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)
GB4880277A 1976-11-24 1977-11-23 Rotary drill bits Expired GB1557515A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX16715376A MX143004A (en) 1976-11-24 1976-11-24 SINGLE-HEAD DRILL FOR WELL DRILLING
US05/800,916 US4154312A (en) 1977-05-26 1977-05-26 Drill bit with single cutting head

Publications (1)

Publication Number Publication Date
GB1557515A true GB1557515A (en) 1979-12-12

Family

ID=26641103

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4880277A Expired GB1557515A (en) 1976-11-24 1977-11-23 Rotary drill bits

Country Status (7)

Country Link
AR (1) AR225400A1 (en)
CA (1) CA1082685A (en)
DE (1) DE2751818C2 (en)
FR (1) FR2372310A1 (en)
GB (1) GB1557515A (en)
IT (1) IT1116377B (en)
NL (1) NL7712884A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114198032A (en) * 2021-10-29 2022-03-18 中铁六局集团呼和浩特铁路建设有限公司 Small-diameter drilling equipment and using method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4332113A1 (en) * 1993-09-22 1995-03-23 Nlw Foerdertechnik Gmbh Boring implement for making bores in earth with different soil classes
UA94503C2 (en) * 2009-09-04 2011-05-10 Ирина Григорьевна Добролюбова Drill bit
US11839956B2 (en) 2019-06-10 2023-12-12 Core Tool Group, Inc. Bit

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1238757A (en) * 1913-02-28 1917-09-04 Levi S Gardner Rotary drill.
US1254267A (en) * 1913-12-17 1918-01-22 Rowland O Pickin Drill.
US1334632A (en) * 1917-06-15 1920-03-23 Rowland O Pickin Rotary rock-drill bit
US1747909A (en) * 1922-05-29 1930-02-18 Universal Rotary Bit Company Rotary sectional bit
US1859948A (en) * 1929-07-29 1932-05-24 John A Zublin Bit with cutters having scraping and rolling motions
US1914042A (en) * 1932-03-24 1933-06-13 Edwin L Rath Double socket eccentric rock bit
US2124414A (en) * 1936-04-18 1938-07-19 Otto B Goldman Well drilling bit
US2113820A (en) * 1936-06-06 1938-04-12 John A Zublin Underreamer and oversize-hole drilling tool
US2362860A (en) * 1941-12-22 1944-11-14 Allen M Rossman Earth boring rock bit
US2336337A (en) * 1942-08-13 1943-12-07 John A Zublin Heavy duty gyrating bit
US2336335A (en) * 1942-08-13 1943-12-07 John A Zublin Rotary hammering bit
US2598518A (en) * 1948-04-21 1952-05-27 Normand E Dufilho Rock bit
US3193028A (en) * 1962-09-26 1965-07-06 Exxon Production Research Co Rotary drill bit
US3299973A (en) * 1964-07-27 1967-01-24 Smith Ind International Inc Lubrication and sealing of well drilling bit
US3429390A (en) * 1967-05-19 1969-02-25 Supercussion Drills Inc Earth-drilling bits
US3847234A (en) * 1972-06-01 1974-11-12 Reed Tool Co Pressure relief device for drill bit lubrication system
US3765495A (en) * 1972-08-02 1973-10-16 G W Murphey Ind Inc Drill bit seals
US3966274A (en) * 1975-02-13 1976-06-29 Dresser Industries, Inc. Roller separator for bit bearings
US3963282A (en) * 1975-02-13 1976-06-15 Dresser Industries, Inc. Cantilevered roller separator for rock bit bearings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114198032A (en) * 2021-10-29 2022-03-18 中铁六局集团呼和浩特铁路建设有限公司 Small-diameter drilling equipment and using method

Also Published As

Publication number Publication date
DE2751818A1 (en) 1978-06-01
DE2751818C2 (en) 1982-08-12
CA1082685A (en) 1980-07-29
FR2372310B1 (en) 1984-01-13
NL7712884A (en) 1978-05-26
IT1116377B (en) 1986-02-10
AR225400A1 (en) 1982-03-31
FR2372310A1 (en) 1978-06-23

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee