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CA1064014A - Trepan pour roche - Google Patents

Trepan pour roche

Info

Publication number
CA1064014A
CA1064014A CA275,858A CA275858A CA1064014A CA 1064014 A CA1064014 A CA 1064014A CA 275858 A CA275858 A CA 275858A CA 1064014 A CA1064014 A CA 1064014A
Authority
CA
Canada
Prior art keywords
duct
drill bit
bearing
bit according
gap
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
CA275,858A
Other languages
English (en)
Inventor
Carl E. Johansson
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.)
SKF Industrial Trading and Development Co BV
Original Assignee
SKF Industrial Trading and Development Co BV
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 SKF Industrial Trading and Development Co BV filed Critical SKF Industrial Trading and Development Co BV
Application granted granted Critical
Publication of CA1064014A publication Critical patent/CA1064014A/fr
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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
    • E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
    • 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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details

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)
  • Rolling Contact Bearings (AREA)
CA275,858A 1976-04-12 1977-04-07 Trepan pour roche Expired CA1064014A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7603835,A NL179409C (nl) 1976-04-12 1976-04-12 Boorbeitel voor gesteente.

Publications (1)

Publication Number Publication Date
CA1064014A true CA1064014A (fr) 1979-10-09

Family

ID=19826003

Family Applications (1)

Application Number Title Priority Date Filing Date
CA275,858A Expired CA1064014A (fr) 1976-04-12 1977-04-07 Trepan pour roche

Country Status (12)

Country Link
JP (1) JPS5936076B2 (fr)
AU (1) AU514631B2 (fr)
BR (1) BR7702233A (fr)
CA (1) CA1064014A (fr)
DE (1) DE2715788C2 (fr)
FR (1) FR2348358A1 (fr)
GB (1) GB1563533A (fr)
IT (1) IT1076714B (fr)
NL (1) NL179409C (fr)
NO (1) NO771246L (fr)
SE (1) SE433958B (fr)
ZA (1) ZA772203B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755591C2 (de) * 1977-12-14 1985-11-07 SKF GmbH, 8720 Schweinfurt Rollenmeißel mit kegelig ausgebildeten Schneidrollen
DE2824202A1 (de) * 1978-06-02 1979-12-06 Sandvik Gmbh Rollenmeissel mit mehreren kegeligen schneidrollen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1010406A (en) * 1909-07-15 1911-11-28 Howard Robard Hughes Roller-drill.
US1973975A (en) * 1933-07-25 1934-09-18 Anthony E Carlson Rotary rock bit construction
US2292036A (en) * 1940-06-28 1942-08-04 Chicago Pneumatic Tool Co Bearing for drill bits
US2339161A (en) * 1942-07-21 1944-01-11 Reed Roller Bit Co Cone bit construction
FR1053319A (fr) * 1952-04-02 1954-02-02 Materiel De Forage Soc De Fab Dispositif de montage pour outils à molettes
US2831660A (en) * 1956-04-16 1958-04-22 Nat Oil Tool Co Inc Lubricated well drill
US3307645A (en) * 1964-10-20 1967-03-07 Exxon Production Research Co Reverse bearing bit
NL179154C (nl) 1975-02-17 1986-07-16 Skf Ind Trading & Dev Rotary boorkop.
US3921735A (en) * 1975-02-27 1975-11-25 Dresser Ind Rotary rock bit with cone mouth air screen

Also Published As

Publication number Publication date
NO771246L (no) 1977-10-13
AU2359777A (en) 1978-09-28
DE2715788C2 (de) 1986-06-26
BR7702233A (pt) 1977-12-13
JPS52145302A (en) 1977-12-03
FR2348358B3 (fr) 1980-01-18
GB1563533A (en) 1980-03-26
NL7603835A (nl) 1977-10-14
DE2715788A1 (de) 1977-10-20
ZA772203B (en) 1978-03-29
SE433958B (sv) 1984-06-25
SE7703246L (sv) 1977-10-13
NL179409C (nl) 1986-09-01
AU514631B2 (en) 1981-02-19
JPS5936076B2 (ja) 1984-09-01
FR2348358A1 (fr) 1977-11-10
IT1076714B (it) 1985-04-27
NL179409B (nl) 1986-04-01

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