FR2348358A1 - Trepan de forage - Google Patents

Trepan de forage

Info

Publication number
FR2348358A1
FR2348358A1 FR7710618A FR7710618A FR2348358A1 FR 2348358 A1 FR2348358 A1 FR 2348358A1 FR 7710618 A FR7710618 A FR 7710618A FR 7710618 A FR7710618 A FR 7710618A FR 2348358 A1 FR2348358 A1 FR 2348358A1
Authority
FR
France
Prior art keywords
trepan
drilling
drilling trepan
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.)
Granted
Application number
FR7710618A
Other languages
English (en)
Other versions
FR2348358B3 (fr
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
Publication of FR2348358A1 publication Critical patent/FR2348358A1/fr
Application granted granted Critical
Publication of FR2348358B3 publication Critical patent/FR2348358B3/fr
Granted 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)
FR7710618A 1976-04-12 1977-04-07 Trepan de forage Granted FR2348358A1 (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 (2)

Publication Number Publication Date
FR2348358A1 true FR2348358A1 (fr) 1977-11-10
FR2348358B3 FR2348358B3 (fr) 1980-01-18

Family

ID=19826003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7710618A Granted FR2348358A1 (fr) 1976-04-12 1977-04-07 Trepan de forage

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824202A1 (de) * 1978-06-02 1979-12-06 Sandvik Gmbh Rollenmeissel mit mehreren kegeligen schneidrollen

Families Citing this family (1)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824202A1 (de) * 1978-06-02 1979-12-06 Sandvik Gmbh Rollenmeissel mit mehreren kegeligen schneidrollen

Also Published As

Publication number Publication date
AU514631B2 (en) 1981-02-19
GB1563533A (en) 1980-03-26
NL179409C (nl) 1986-09-01
FR2348358B3 (fr) 1980-01-18
ZA772203B (en) 1978-03-29
SE7703246L (sv) 1977-10-13
AU2359777A (en) 1978-09-28
SE433958B (sv) 1984-06-25
DE2715788C2 (de) 1986-06-26
JPS5936076B2 (ja) 1984-09-01
NL7603835A (nl) 1977-10-14
JPS52145302A (en) 1977-12-03
BR7702233A (pt) 1977-12-13
CA1064014A (fr) 1979-10-09
IT1076714B (it) 1985-04-27
NO771246L (no) 1977-10-13
NL179409B (nl) 1986-04-01
DE2715788A1 (de) 1977-10-20

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