FR2049157B1 - - Google Patents

Info

Publication number
FR2049157B1
FR2049157B1 FR7020604A FR7020604A FR2049157B1 FR 2049157 B1 FR2049157 B1 FR 2049157B1 FR 7020604 A FR7020604 A FR 7020604A FR 7020604 A FR7020604 A FR 7020604A FR 2049157 B1 FR2049157 B1 FR 2049157B1
Authority
FR
France
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
FR7020604A
Other languages
French (fr)
Other versions
FR2049157A1 (enrdf_load_stackoverflow
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.)
Sumitomo Metal Mining Co Ltd
Original Assignee
Sumitomo Metal Mining Co Ltd
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
Priority claimed from JP4680369A external-priority patent/JPS5020523B1/ja
Priority claimed from JP4792969A external-priority patent/JPS5020521B1/ja
Application filed by Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Publication of FR2049157A1 publication Critical patent/FR2049157A1/fr
Application granted granted Critical
Publication of FR2049157B1 publication Critical patent/FR2049157B1/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
    • 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
    • E21B25/04—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 the core receiver having a core forming cutting edge or element, e.g. punch type core barrels
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing

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)
FR7020604A 1969-06-04 1970-06-04 Expired FR2049157B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4320469 1969-06-04
JP4509769 1969-06-10
JP4680369A JPS5020523B1 (enrdf_load_stackoverflow) 1969-06-16 1969-06-16
JP4792969A JPS5020521B1 (enrdf_load_stackoverflow) 1969-06-19 1969-06-19

Publications (2)

Publication Number Publication Date
FR2049157A1 FR2049157A1 (enrdf_load_stackoverflow) 1971-03-26
FR2049157B1 true FR2049157B1 (enrdf_load_stackoverflow) 1974-02-01

Family

ID=27461332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7020604A Expired FR2049157B1 (enrdf_load_stackoverflow) 1969-06-04 1970-06-04

Country Status (1)

Country Link
FR (1) FR2049157B1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108552B (en) * 1981-09-17 1985-01-23 Sumitomo Metal Mining Co Earth boring apparatus
FR2575785B1 (fr) * 1985-01-04 1987-12-11 Rech Geolog Miniere 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123160A (en) * 1964-03-03 Retrievable subsurface well bore apparatus
US2771275A (en) * 1952-01-29 1956-11-20 Exxon Research Engineering Co Hard formation retractable drill bit

Also Published As

Publication number Publication date
FR2049157A1 (enrdf_load_stackoverflow) 1971-03-26

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Legal Events

Date Code Title Description
ST Notification of lapse