BE895797A - REMOVABLE DRILLING DEVICE - Google Patents

REMOVABLE DRILLING DEVICE

Info

Publication number
BE895797A
BE895797A BE2/60016A BE2060016A BE895797A BE 895797 A BE895797 A BE 895797A BE 2/60016 A BE2/60016 A BE 2/60016A BE 2060016 A BE2060016 A BE 2060016A BE 895797 A BE895797 A BE 895797A
Authority
BE
Belgium
Prior art keywords
drilling device
removable drilling
removable
drilling
Prior art date
Application number
BE2/60016A
Other languages
French (fr)
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 BE895797A publication Critical patent/BE895797A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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, core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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, core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, 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, 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
BE2/60016A 1983-02-04 1983-02-03 REMOVABLE DRILLING DEVICE BE895797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8301772A FR2540549B3 (en) 1983-02-04 1983-02-04 REMOVABLE CORE BIT

Publications (1)

Publication Number Publication Date
BE895797A true BE895797A (en) 1983-05-30

Family

ID=9285610

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/60016A BE895797A (en) 1983-02-04 1983-02-03 REMOVABLE DRILLING DEVICE

Country Status (4)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575785B1 (en) * 1985-01-04 1987-12-11 Rech Geolog Miniere DRILLING APPARATUS HAVING A DEVICE FOR CHANGING THE DRILLING TOOL WITHOUT HAVING TO ROLL UP THE ROD RUNNER AND INCLUDING AN EXPANDABLE BORING DEVICE
CA1264316A (en) * 1985-07-09 1990-01-09 Andrew H. Bennett, (Deceased) Wire line core barrel

Also Published As

Publication number Publication date
SE8300385L (en) 1984-07-27
SE455326B (en) 1988-07-04
FR2540549A1 (en) 1984-08-10
FR2540549B3 (en) 1985-12-06
SE8300385D0 (en) 1983-01-26
GB8302288D0 (en) 1983-03-02
GB2134153B (en) 1986-02-12
GB2134153A (en) 1984-08-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: KOMITET PO GEOLOGIA

Effective date: 19920228