SE393155B - Borranordning - Google Patents

Borranordning

Info

Publication number
SE393155B
SE393155B SE7008891A SE889170A SE393155B SE 393155 B SE393155 B SE 393155B SE 7008891 A SE7008891 A SE 7008891A SE 889170 A SE889170 A SE 889170A SE 393155 B SE393155 B SE 393155B
Authority
SE
Sweden
Prior art keywords
drilling device
drilling
Prior art date
Application number
SE7008891A
Other languages
English (en)
Inventor
Y Okuyama
S Takano
R Suzuki
Original Assignee
Sumitomo Metal Mining Co
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 Sumitomo Metal Mining Co filed Critical Sumitomo Metal Mining Co
Publication of SE393155B publication Critical patent/SE393155B/sv

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
SE7008891A 1969-06-27 1970-06-26 Borranordning SE393155B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44050423A JPS5020522B1 (sv) 1969-06-27 1969-06-27

Publications (1)

Publication Number Publication Date
SE393155B true SE393155B (sv) 1977-05-02

Family

ID=12858440

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7008891A SE393155B (sv) 1969-06-27 1970-06-26 Borranordning

Country Status (4)

Country Link
US (1) US3661219A (sv)
JP (1) JPS5020522B1 (sv)
FR (1) FR2047983B1 (sv)
SE (1) SE393155B (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5367438U (sv) * 1976-11-09 1978-06-06
JPS57179946U (sv) * 1981-05-09 1982-11-15
JPS57199451U (sv) * 1981-05-09 1982-12-18
US4497382A (en) * 1983-03-24 1985-02-05 Komitet Po Goelogica Retractable core drill bit
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
US5460231A (en) * 1994-08-19 1995-10-24 Collins; James S. Device and method for augering a conical hole in solid media

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US473907A (en) * 1892-05-03 Milan c
US1766253A (en) * 1922-09-08 1930-06-24 Kennedye Corp Drilling tool
US2239996A (en) * 1936-05-25 1941-04-29 Chappell Drilling Equipment Co Drilling apparatus
US2771275A (en) * 1952-01-29 1956-11-20 Exxon Research Engineering Co Hard formation retractable drill bit
US3050142A (en) * 1959-07-06 1962-08-21 Kammerer Retrievable drilling apparatus for well bores
US3050143A (en) * 1959-07-06 1962-08-21 Jr Archer W Kammerer Retrievable well bore drilling apparatus

Also Published As

Publication number Publication date
FR2047983B1 (sv) 1973-05-25
US3661219A (en) 1972-05-09
FR2047983A1 (sv) 1971-03-19
JPS5020522B1 (sv) 1975-07-16

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