SE7601187L - Anordning vid bergborrkrona - Google Patents

Anordning vid bergborrkrona

Info

Publication number
SE7601187L
SE7601187L SE7601187A SE7601187A SE7601187L SE 7601187 L SE7601187 L SE 7601187L SE 7601187 A SE7601187 A SE 7601187A SE 7601187 A SE7601187 A SE 7601187A SE 7601187 L SE7601187 L SE 7601187L
Authority
SE
Sweden
Prior art keywords
drill crown
mountain drill
mountain
crown
drill
Prior art date
Application number
SE7601187A
Other languages
English (en)
Swedish (sv)
Inventor
Jr G C Jackson
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of SE7601187L publication Critical patent/SE7601187L/xx

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
    • 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

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)
SE7601187A 1975-02-18 1976-02-04 Anordning vid bergborrkrona SE7601187L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55078275A 1975-02-18 1975-02-18

Publications (1)

Publication Number Publication Date
SE7601187L true SE7601187L (sv) 1976-08-19

Family

ID=24198547

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7601187A SE7601187L (sv) 1975-02-18 1976-02-04 Anordning vid bergborrkrona

Country Status (4)

Country Link
DE (1) DE2606712A1 (xx)
FR (1) FR2301680A1 (xx)
NO (1) NO760008L (xx)
SE (1) SE7601187L (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687067A (en) * 1986-05-01 1987-08-18 Smith International, Inc. Crossflow rotary cone rock bit with extended nozzles

Also Published As

Publication number Publication date
DE2606712A1 (de) 1976-08-19
NO760008L (xx) 1976-08-19
FR2301680A1 (fr) 1976-09-17

Similar Documents

Publication Publication Date Title
SE7601131L (sv) Anordning vid bergborrkrona
SE7602139L (sv) Anordning vid rullborrkrona
SE7610783L (sv) Anordning vid verktyg
NL7700636A (nl) Boorkroon.
SE7607016L (sv) Anordning vid borrar
SE7703810L (sv) Tetningsanordning vid rullborrkronor
SE7810719L (sv) Anordning vid bergborrning
NO146145C (no) Boreinnretning
AT345759B (de) Tieflochbohrhammer
SE7513971L (sv) Bergborrmaskin
SE7611819L (sv) Anordning vid forgasare
SE7607024L (sv) Anordning vid forgasare
SE7612550L (sv) Anordning vid eldstad
DK363976A (da) Borekrone
SE7607478L (sv) T#tningsanordning vid bergborrar
SE7514616L (sv) Anordning vid vridfonster
SE7614323L (sv) Anordning vid reaktorkerl
SE7611990L (sv) Anordning vid forgasare
SE7601187L (sv) Anordning vid bergborrkrona
SE403926B (sv) Lasanordning vid borrstang
SE7602137L (sv) Luftspolningsanordning vid bergborrmaskin
SE7609799L (sv) Anordning vid borrverktyg
SE7511197L (sv) Anordning vid husgrunder
SE7514615L (sv) Anordning vid vridfonster.
SE387729B (sv) Anordning vid lucklas