GB1142741A - Earthboring drill bits - Google Patents

Earthboring drill bits

Info

Publication number
GB1142741A
GB1142741A GB10052/66A GB1005266A GB1142741A GB 1142741 A GB1142741 A GB 1142741A GB 10052/66 A GB10052/66 A GB 10052/66A GB 1005266 A GB1005266 A GB 1005266A GB 1142741 A GB1142741 A GB 1142741A
Authority
GB
United Kingdom
Prior art keywords
stem
drilling fluid
intake
bore hole
roller bit
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
GB10052/66A
Other languages
English (en)
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.)
Reed Roller Bit Co
Original Assignee
Reed Roller Bit 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 Reed Roller Bit Co filed Critical Reed Roller Bit Co
Publication of GB1142741A publication Critical patent/GB1142741A/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
    • E21B10/18—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
    • E21B10/10—Roller bits with roller axle supported at both ends

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)
GB10052/66A 1965-08-13 1966-03-08 Earthboring drill bits Expired GB1142741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US479429A US3384191A (en) 1965-08-13 1965-08-13 Drill bit

Publications (1)

Publication Number Publication Date
GB1142741A true GB1142741A (en) 1969-02-12

Family

ID=23903969

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10052/66A Expired GB1142741A (en) 1965-08-13 1966-03-08 Earthboring drill bits

Country Status (4)

Country Link
US (1) US3384191A (US08197722-20120612-C00042.png)
DE (1) DE1483857A1 (US08197722-20120612-C00042.png)
GB (1) GB1142741A (US08197722-20120612-C00042.png)
SE (1) SE319739B (US08197722-20120612-C00042.png)

Families Citing this family (16)

* 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
US4125167A (en) * 1977-06-06 1978-11-14 Smith International, Inc. Big hole bit
US4105083A (en) * 1977-06-09 1978-08-08 Smith International, Inc. Large diameter drill bit
US4186808A (en) * 1977-06-29 1980-02-05 Cox Kenneth C Earth boring machine with crushing rollers
US4126194A (en) * 1977-07-11 1978-11-21 Smith International, Inc. Rock bit with extended pickup tube
US4200160A (en) * 1978-03-13 1980-04-29 Smith International, Inc. Sweep pickup for a big hole bit
US4195700A (en) * 1978-08-14 1980-04-01 Smith International, Inc. Large diameter bit with sweep pickup
DE3123021C2 (de) * 1981-06-10 1984-05-17 Preussag AG Bauwesen, 3005 Hemmingen Bohrkopf zum Gesteinsbohren
DE3212915A1 (de) * 1981-06-10 1983-10-13 Preussag AG Bauwesen, 3005 Hemmingen Bohrkopf zum gesteinsbohren
GB2148978B (en) * 1983-10-29 1987-01-07 Nl Petroleum Prod Improvements in or relating to rotary drill bits
US4727946A (en) * 1984-10-26 1988-03-01 Nl Industries, Inc. Rotary drill bits
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
DE102013013477A1 (de) * 2013-08-15 2015-03-12 Herrenknecht Ag Bohrkopf zum Aufweiten einer Pilotbohrung zum Erstellen eines Bohrlochs
EP3268569B1 (en) 2015-03-12 2019-05-08 Palmieri S.p.A. Excavating head
DE102019120019A1 (de) 2019-07-24 2021-01-28 Herrenknecht Ag Bohrkopf für das Erstellen einer Bohrung im Boden
CA3148224C (en) 2019-07-24 2024-01-23 Herrenknecht Ag Drill head and method for producing a vertical borehole in the ground

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1289179A (en) * 1918-07-30 1918-12-31 Howard R Hughes Rotary boring-drill.
US1582332A (en) * 1923-12-08 1926-04-27 William V Seifert Roller-bits drilling tool
US1736840A (en) * 1927-09-15 1929-11-26 Hughes Tool Co Shroud for well drills
US2518591A (en) * 1944-06-26 1950-08-15 Aston Cecil Percy Tooth Apparatus for jet mining and excavating
US2710741A (en) * 1950-07-28 1955-06-14 Sr Jesse E Hall Apparatus for drilling or hole testing
US2849214A (en) * 1954-09-02 1958-08-26 Gulf Research Development Co Borehole drilling apparatus for preventing lost circulation
US2887301A (en) * 1956-02-08 1959-05-19 Chester B Day Reverse circulation rotary rock bit
US2949281A (en) * 1957-09-06 1960-08-16 Hughes Tool Co Large diameter earth boring drill
US3297100A (en) * 1964-04-13 1967-01-10 Large Mine Shaft Drillers Inc Dual drill stem method and apparatus

Also Published As

Publication number Publication date
US3384191A (en) 1968-05-21
DE1483857A1 (de) 1970-02-05
SE319739B (US08197722-20120612-C00042.png) 1970-01-26

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