AT262190B - Method of knocking down the drill bit of a drill bit and drill bit - Google Patents

Method of knocking down the drill bit of a drill bit and drill bit

Info

Publication number
AT262190B
AT262190B AT571866A AT571866A AT262190B AT 262190 B AT262190 B AT 262190B AT 571866 A AT571866 A AT 571866A AT 571866 A AT571866 A AT 571866A AT 262190 B AT262190 B AT 262190B
Authority
AT
Austria
Prior art keywords
drill bit
knocking down
knocking
drill
bit
Prior art date
Application number
AT571866A
Other languages
German (de)
Inventor
Bert Knut Birger Ing Jansson
Original Assignee
Stabilator Ab
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 Stabilator Ab filed Critical Stabilator Ab
Application granted granted Critical
Publication of AT262190B publication Critical patent/AT262190B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • Joining Of Glass To Other Materials (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
AT571866A 1964-08-11 1965-08-02 Method of knocking down the drill bit of a drill bit and drill bit AT262190B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE969164 1964-08-11
FR27602A FR1468764A (en) 1964-08-11 1965-08-06 Drill bit specially adapted for drilling in earth or rocks

Publications (1)

Publication Number Publication Date
AT262190B true AT262190B (en) 1968-06-10

Family

ID=38884688

Family Applications (1)

Application Number Title Priority Date Filing Date
AT571866A AT262190B (en) 1964-08-11 1965-08-02 Method of knocking down the drill bit of a drill bit and drill bit

Country Status (8)

Country Link
US (1) US3370658A (en)
AT (1) AT262190B (en)
CH (1) CH441194A (en)
DE (1) DE1299255B (en)
ES (1) ES316145A1 (en)
FR (1) FR1468764A (en)
GB (1) GB1119043A (en)
NO (1) NO119868B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3473618A (en) * 1968-06-05 1969-10-21 Becker Drilling Alberta Ltd Rotary-percussion drill apparatus
GB1257429A (en) * 1969-05-30 1971-12-15
SE411139B (en) * 1977-04-29 1979-12-03 Sandvik Ab DRILLING DEVICE
US4196783A (en) * 1978-07-11 1980-04-08 Lofs Verkstads Ab Device for boring
SE8901200L (en) * 1989-04-05 1990-10-06 Uniroc Ab DEVICE FOR FLUSHING A DRILL
CH683446A5 (en) * 1991-02-25 1994-03-15 Herrenknecht Gmbh Retrievable tunneling machine.
DE4114457C1 (en) * 1991-05-03 1992-06-25 Ing. Guenter Klemm Bohrtechnik Gmbh, 5962 Drolshagen, De
DE4408514C1 (en) * 1994-03-14 1995-05-24 Wirth Co Kg Masch Bohr Drilling tool for producing holes in ground
CN109441338B (en) * 2018-11-02 2020-08-07 中铁十八局集团第一工程有限公司 Railway tunnel pneumatic rock drill flow divider and manufacturing method thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT56468B (en) * 1911-08-29 1912-11-25 Silvije Sponza Method of foundation using reinforced concrete piles.
US1295969A (en) * 1918-11-18 1919-03-04 Robert E Carmichael Rotary boring-drill.
US2023966A (en) * 1935-06-01 1935-12-10 Jesse A Montee Method and means for sinking foundation columns
US2121858A (en) * 1937-09-09 1938-06-28 Fred C Chew Excavating and prospecting tool
DE728403C (en) * 1940-11-27 1942-11-26 Gebhardt & Koenig Deutsche Sch Device for flushing the drilling rig
US2403643A (en) * 1944-02-25 1946-07-09 George L Dresser Method of and apparatus for introducing grout into subsoil
US2588068A (en) * 1948-01-09 1952-03-04 Cons Edison Co New York Inc Drilling apparatus
AT184126B (en) * 1954-08-28 1955-12-27 Georg Fally Method and device for carrying out improvements
US2914306A (en) * 1957-05-16 1959-11-24 Jay C Failing Fluid circulating drilling barrel
US3022840A (en) * 1959-03-19 1962-02-27 Mine Safety Appliances Co Dust collecting rotary rock drill
US3227230A (en) * 1961-02-21 1966-01-04 Atlas Copco Ab Combination ring and central drill bit drilling equipment

Also Published As

Publication number Publication date
DE1299255B (en) 1969-07-10
NO119868B (en) 1970-07-20
CH441194A (en) 1967-08-15
FR1468764A (en) 1967-02-10
ES316145A1 (en) 1966-04-01
US3370658A (en) 1968-02-27
GB1119043A (en) 1968-07-03

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