FR2575785B1 - Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible - Google Patents

Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible

Info

Publication number
FR2575785B1
FR2575785B1 FR8500060A FR8500060A FR2575785B1 FR 2575785 B1 FR2575785 B1 FR 2575785B1 FR 8500060 A FR8500060 A FR 8500060A FR 8500060 A FR8500060 A FR 8500060A FR 2575785 B1 FR2575785 B1 FR 2575785B1
Authority
FR
France
Prior art keywords
expandable
roll
changing
drilling
drilling tool
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
FR8500060A
Other languages
English (en)
Other versions
FR2575785A1 (fr
Inventor
Roland Laviguerie
Bernard Villeneuve
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.)
Bureau de Recherches Geologiques et Minieres BRGM
Original Assignee
Bureau de Recherches Geologiques et Minieres BRGM
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 Bureau de Recherches Geologiques et Minieres BRGM filed Critical Bureau de Recherches Geologiques et Minieres BRGM
Priority to FR8500060A priority Critical patent/FR2575785B1/fr
Publication of FR2575785A1 publication Critical patent/FR2575785A1/fr
Application granted granted Critical
Publication of FR2575785B1 publication Critical patent/FR2575785B1/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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
    • 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
    • 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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
FR8500060A 1985-01-04 1985-01-04 Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible Expired FR2575785B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8500060A FR2575785B1 (fr) 1985-01-04 1985-01-04 Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8500060A FR2575785B1 (fr) 1985-01-04 1985-01-04 Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible

Publications (2)

Publication Number Publication Date
FR2575785A1 FR2575785A1 (fr) 1986-07-11
FR2575785B1 true FR2575785B1 (fr) 1987-12-11

Family

ID=9314997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8500060A Expired FR2575785B1 (fr) 1985-01-04 1985-01-04 Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible

Country Status (1)

Country Link
FR (1) FR2575785B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117868678B (zh) * 2024-01-08 2024-09-27 山东省煤田地质局第三勘探队 一种煤层裂隙智能监测钻探设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050122A (en) * 1960-04-04 1962-08-21 Gulf Research Development Co Formation notching apparatus
FR2049157B1 (fr) * 1969-06-04 1974-02-01 Sumitomo Metal Mining Co
JPS5020522B1 (fr) * 1969-06-27 1975-07-16
US3974886A (en) * 1975-02-27 1976-08-17 Blake Jr Jack L Directional drilling tool
SE455326B (sv) * 1983-02-04 1988-07-04 Komitet Geol Demonterbar kernborrutrustning

Also Published As

Publication number Publication date
FR2575785A1 (fr) 1986-07-11

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Legal Events

Date Code Title Description
ST Notification of lapse