FR2332414A1 - Alesoir creux pour equipement de forage - Google Patents

Alesoir creux pour equipement de forage

Info

Publication number
FR2332414A1
FR2332414A1 FR7535149A FR7535149A FR2332414A1 FR 2332414 A1 FR2332414 A1 FR 2332414A1 FR 7535149 A FR7535149 A FR 7535149A FR 7535149 A FR7535149 A FR 7535149A FR 2332414 A1 FR2332414 A1 FR 2332414A1
Authority
FR
France
Prior art keywords
reamer
extending
trepanning tool
head
boring bar
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.)
Withdrawn
Application number
FR7535149A
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.)
MOPPES ET SONS Ltd LM VAN
Original Assignee
MOPPES ET SONS Ltd LM VAN
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 MOPPES ET SONS Ltd LM VAN filed Critical MOPPES ET SONS Ltd LM VAN
Priority to FR7535149A priority Critical patent/FR2332414A1/fr
Publication of FR2332414A1 publication Critical patent/FR2332414A1/fr
Withdrawn legal-status Critical Current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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type

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)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
FR7535149A 1975-11-18 1975-11-18 Alesoir creux pour equipement de forage Withdrawn FR2332414A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7535149A FR2332414A1 (fr) 1975-11-18 1975-11-18 Alesoir creux pour equipement de forage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7535149A FR2332414A1 (fr) 1975-11-18 1975-11-18 Alesoir creux pour equipement de forage

Publications (1)

Publication Number Publication Date
FR2332414A1 true FR2332414A1 (fr) 1977-06-17

Family

ID=9162547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535149A Withdrawn FR2332414A1 (fr) 1975-11-18 1975-11-18 Alesoir creux pour equipement de forage

Country Status (1)

Country Link
FR (1) FR2332414A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1023352B1 (fr) * 2016-01-29 2017-02-13 Diarotech S.A. Couronne miniere comprenant des segments impregnes de diamant obtenus par frittage a chaud

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851332C (de) * 1945-03-30 1952-10-02 Salzgitter Maschinen Ag Kernbohrer fuer Tiefbohrungen
DE943341C (de) * 1953-12-19 1956-05-17 Winter & Sohn Ernst Raeumer fuer Tiefbohrkronen
US3237705A (en) * 1963-11-13 1966-03-01 Williams Joseph W Reamer for enlarging and straightening bore holes
US3367430A (en) * 1966-08-24 1968-02-06 Christensen Diamond Prod Co Combination drill and reamer bit
US3575247A (en) * 1969-03-06 1971-04-20 Shell Oil Co Diamond bit unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851332C (de) * 1945-03-30 1952-10-02 Salzgitter Maschinen Ag Kernbohrer fuer Tiefbohrungen
DE943341C (de) * 1953-12-19 1956-05-17 Winter & Sohn Ernst Raeumer fuer Tiefbohrkronen
US3237705A (en) * 1963-11-13 1966-03-01 Williams Joseph W Reamer for enlarging and straightening bore holes
US3367430A (en) * 1966-08-24 1968-02-06 Christensen Diamond Prod Co Combination drill and reamer bit
US3575247A (en) * 1969-03-06 1971-04-20 Shell Oil Co Diamond bit unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1023352B1 (fr) * 2016-01-29 2017-02-13 Diarotech S.A. Couronne miniere comprenant des segments impregnes de diamant obtenus par frittage a chaud

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Legal Events

Date Code Title Description
ST Notification of lapse