SE8904192D0 - Drill tool - Google Patents

Drill tool

Info

Publication number
SE8904192D0
SE8904192D0 SE8904192A SE8904192A SE8904192D0 SE 8904192 D0 SE8904192 D0 SE 8904192D0 SE 8904192 A SE8904192 A SE 8904192A SE 8904192 A SE8904192 A SE 8904192A SE 8904192 D0 SE8904192 D0 SE 8904192D0
Authority
SE
Sweden
Prior art keywords
guide
drill tool
casing tube
casing
drill
Prior art date
Application number
SE8904192A
Other languages
English (en)
Other versions
SE8904192L (sv
Inventor
K-O Jansson
Original Assignee
Sandvik Ab
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 Sandvik Ab filed Critical Sandvik Ab
Priority to SE8904192A priority Critical patent/SE8904192L/sv
Publication of SE8904192D0 publication Critical patent/SE8904192D0/sv
Priority to AU55975/90A priority patent/AU633319B2/en
Priority to EP19900850220 priority patent/EP0402337A3/en
Priority to FI902847A priority patent/FI902847A0/fi
Priority to CA002018445A priority patent/CA2018445A1/en
Priority to KR1019900008592A priority patent/KR910000284A/ko
Publication of SE8904192L publication Critical patent/SE8904192L/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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
SE8904192A 1989-06-09 1989-12-13 Borrverktyg SE8904192L (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8904192A SE8904192L (sv) 1989-12-13 1989-12-13 Borrverktyg
AU55975/90A AU633319B2 (en) 1989-06-09 1990-05-28 Drill tool
EP19900850220 EP0402337A3 (en) 1989-06-09 1990-05-31 Drill tool
FI902847A FI902847A0 (fi) 1989-06-09 1990-06-07 Borrningsverktyg.
CA002018445A CA2018445A1 (en) 1989-06-09 1990-06-07 Drill tool
KR1019900008592A KR910000284A (ko) 1989-06-09 1990-06-09 드릴공구

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8904192A SE8904192L (sv) 1989-12-13 1989-12-13 Borrverktyg

Publications (2)

Publication Number Publication Date
SE8904192D0 true SE8904192D0 (sv) 1989-12-13
SE8904192L SE8904192L (sv) 1991-06-14

Family

ID=20377750

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8904192A SE8904192L (sv) 1989-06-09 1989-12-13 Borrverktyg

Country Status (1)

Country Link
SE (1) SE8904192L (sv)

Also Published As

Publication number Publication date
SE8904192L (sv) 1991-06-14

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Legal Events

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NAV Patent application has lapsed

Ref document number: 8904192-5

Effective date: 19940701