DE69102993T2 - Bohrwerkzeug für schlag- und drehbohren. - Google Patents

Bohrwerkzeug für schlag- und drehbohren.

Info

Publication number
DE69102993T2
DE69102993T2 DE69102993T DE69102993T DE69102993T2 DE 69102993 T2 DE69102993 T2 DE 69102993T2 DE 69102993 T DE69102993 T DE 69102993T DE 69102993 T DE69102993 T DE 69102993T DE 69102993 T2 DE69102993 T2 DE 69102993T2
Authority
DE
Germany
Prior art keywords
inserts
drilling
reamer
shaft
casing tube
Prior art date
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 - Fee Related
Application number
DE69102993T
Other languages
English (en)
Other versions
DE69102993D1 (de
Inventor
Karl-Axel Stjernstroem
Stig Loef
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.)
Uniroc AB
Original Assignee
Uniroc 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
Priority claimed from SE9000156A external-priority patent/SE467632B/sv
Priority claimed from SE9000157A external-priority patent/SE467886B/sv
Application filed by Uniroc AB filed Critical Uniroc AB
Publication of DE69102993D1 publication Critical patent/DE69102993D1/de
Application granted granted Critical
Publication of DE69102993T2 publication Critical patent/DE69102993T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/327—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools the cutter being pivoted about a longitudinal axis
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • Drilling Tools (AREA)
  • Drilling And Boring (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
DE69102993T 1990-01-17 1991-01-17 Bohrwerkzeug für schlag- und drehbohren. Expired - Fee Related DE69102993T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9000156A SE467632B (sv) 1990-01-17 1990-01-17 Borrverktyg foer slaaende och roterande borrning under samtidig neddrivning av ett foderroer
SE9000157A SE467886B (sv) 1990-01-17 1990-01-17 Rymmare till borrverktyg foer slaaende och roterande borrning
PCT/SE1991/000034 WO1991010805A1 (en) 1990-01-17 1991-01-17 Drilling tool for percussive and rotary drilling

Publications (2)

Publication Number Publication Date
DE69102993D1 DE69102993D1 (de) 1994-08-25
DE69102993T2 true DE69102993T2 (de) 1995-03-02

Family

ID=26660694

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102993T Expired - Fee Related DE69102993T2 (de) 1990-01-17 1991-01-17 Bohrwerkzeug für schlag- und drehbohren.

Country Status (8)

Country Link
EP (1) EP0511298B1 (de)
JP (1) JPH05503556A (de)
AT (1) ATE108861T1 (de)
AU (1) AU642708B2 (de)
CA (1) CA2074076A1 (de)
DE (1) DE69102993T2 (de)
FI (1) FI98155C (de)
WO (1) WO1991010805A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2338009B (en) * 1998-06-04 2000-06-21 Philip Head A method of installing the casing in a well and apparatus therefor
US6607046B1 (en) * 1999-11-12 2003-08-19 Shell Oil Company Expandable drill bit
SE522135C2 (sv) * 2001-07-02 2004-01-13 Uno Loef Borrverktyg för sänkborrning
ZA200606939B (en) 2005-08-25 2007-11-28 Gien Bernard L A dril bit
SE530651C2 (sv) * 2005-09-05 2008-07-29 Sandvik Intellectual Property Borrkrona för enstegsankarbultning och en enstegsborrande apparatur
DE102010027544A1 (de) 2010-07-16 2012-01-19 Minova International Ltd. Verfahren zur Herstellung der Bohrvorrichtungen vor allem für die Rohrschirmtechnik und Bohrvorrichtung
JP5994015B1 (ja) * 2015-12-03 2016-09-21 株式会社オーク ダウンザホールハンマー用ビット

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE421551B (sv) * 1980-03-26 1982-01-04 Sandvik Ab Borrverktyg for rotations- och/eller slagborrning
GB8418482D0 (en) * 1984-07-19 1984-08-22 Nl Petroleum Prod Rotary drill bits

Also Published As

Publication number Publication date
DE69102993D1 (de) 1994-08-25
CA2074076A1 (en) 1991-07-18
AU642708B2 (en) 1993-10-28
EP0511298B1 (de) 1994-07-20
FI98155B (fi) 1997-01-15
EP0511298A1 (de) 1992-11-04
ATE108861T1 (de) 1994-08-15
AU7228091A (en) 1991-08-05
FI923240A (fi) 1992-07-15
JPH05503556A (ja) 1993-06-10
WO1991010805A1 (en) 1991-07-25
FI98155C (fi) 1997-04-25
FI923240A0 (fi) 1992-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee