FR1357144A - Perfectionnement aux foreuses à trépan excentrique - Google Patents

Perfectionnement aux foreuses à trépan excentrique

Info

Publication number
FR1357144A
FR1357144A FR926311A FR926311A FR1357144A FR 1357144 A FR1357144 A FR 1357144A FR 926311 A FR926311 A FR 926311A FR 926311 A FR926311 A FR 926311A FR 1357144 A FR1357144 A FR 1357144A
Authority
FR
France
Prior art keywords
eccentric
advanced training
trephine
drills
trephine drills
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
FR926311A
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.)
Skanska AB
Original Assignee
Skanska Cementgjuteriet 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 Skanska Cementgjuteriet AB filed Critical Skanska Cementgjuteriet AB
Priority to FR926311A priority Critical patent/FR1357144A/fr
Application granted granted Critical
Publication of FR1357144A publication Critical patent/FR1357144A/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
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable

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)
FR926311A 1963-02-28 1963-02-28 Perfectionnement aux foreuses à trépan excentrique Expired FR1357144A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR926311A FR1357144A (fr) 1963-02-28 1963-02-28 Perfectionnement aux foreuses à trépan excentrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR926311A FR1357144A (fr) 1963-02-28 1963-02-28 Perfectionnement aux foreuses à trépan excentrique

Publications (1)

Publication Number Publication Date
FR1357144A true FR1357144A (fr) 1964-04-03

Family

ID=8798091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR926311A Expired FR1357144A (fr) 1963-02-28 1963-02-28 Perfectionnement aux foreuses à trépan excentrique

Country Status (1)

Country Link
FR (1) FR1357144A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388981A1 (fr) * 1977-04-29 1978-11-24 Sandvik Ab Dispositif de forage
EP0235105A2 (fr) * 1986-02-24 1987-09-02 Santrade Ltd. Outil de forage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388981A1 (fr) * 1977-04-29 1978-11-24 Sandvik Ab Dispositif de forage
EP0235105A2 (fr) * 1986-02-24 1987-09-02 Santrade Ltd. Outil de forage
EP0235105A3 (en) * 1986-02-24 1988-12-07 Santrade Ltd. Drill tool

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