SE455326B - Demonterbar kernborrutrustning - Google Patents

Demonterbar kernborrutrustning

Info

Publication number
SE455326B
SE455326B SE8300385A SE8300385A SE455326B SE 455326 B SE455326 B SE 455326B SE 8300385 A SE8300385 A SE 8300385A SE 8300385 A SE8300385 A SE 8300385A SE 455326 B SE455326 B SE 455326B
Authority
SE
Sweden
Prior art keywords
cylindrical body
hollow cylindrical
spacer
equipment
core drill
Prior art date
Application number
SE8300385A
Other languages
English (en)
Swedish (sv)
Other versions
SE8300385D0 (sv
SE8300385L (sv
Inventor
N D Nenkov
Original Assignee
Komitet Geol
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 Komitet Geol filed Critical Komitet Geol
Publication of SE8300385D0 publication Critical patent/SE8300385D0/xx
Publication of SE8300385L publication Critical patent/SE8300385L/
Publication of SE455326B publication Critical patent/SE455326B/sv

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
    • 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
    • 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

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
SE8300385A 1983-02-04 1983-01-26 Demonterbar kernborrutrustning SE455326B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8301772A FR2540549B3 (fr) 1983-02-04 1983-02-04 Trepan carottier amovible

Publications (3)

Publication Number Publication Date
SE8300385D0 SE8300385D0 (sv) 1983-01-26
SE8300385L SE8300385L (sv) 1984-07-27
SE455326B true SE455326B (sv) 1988-07-04

Family

ID=9285610

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8300385A SE455326B (sv) 1983-02-04 1983-01-26 Demonterbar kernborrutrustning

Country Status (4)

Country Link
BE (1) BE895797A (fr)
FR (1) FR2540549B3 (fr)
GB (1) GB2134153B (fr)
SE (1) SE455326B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
AU5974686A (en) * 1985-07-09 1987-01-15 Diamant Boart (Uk) Ltd. Core sampling drilling device

Also Published As

Publication number Publication date
SE8300385D0 (sv) 1983-01-26
SE8300385L (sv) 1984-07-27
GB2134153A (en) 1984-08-08
FR2540549B3 (fr) 1985-12-06
GB8302288D0 (en) 1983-03-02
FR2540549A1 (fr) 1984-08-10
GB2134153B (en) 1986-02-12
BE895797A (fr) 1983-05-30

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