SE8900473L - Drill bit - Google Patents

Drill bit

Info

Publication number
SE8900473L
SE8900473L SE8900473A SE8900473A SE8900473L SE 8900473 L SE8900473 L SE 8900473L SE 8900473 A SE8900473 A SE 8900473A SE 8900473 A SE8900473 A SE 8900473A SE 8900473 L SE8900473 L SE 8900473L
Authority
SE
Sweden
Prior art keywords
drill bit
flushing medium
rod members
drill
drill string
Prior art date
Application number
SE8900473A
Other languages
English (en)
Swedish (sv)
Other versions
SE8900473D0 (sv
Inventor
K Larsson
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 SE8900473A priority Critical patent/SE8900473L/
Publication of SE8900473D0 publication Critical patent/SE8900473D0/xx
Priority to AU49098/90A priority patent/AU4909890A/en
Priority to US07/475,258 priority patent/US5038874A/en
Priority to EP90850051A priority patent/EP0383737A1/en
Priority to NO90900662A priority patent/NO900662L/no
Priority to BR909000617A priority patent/BR9000617A/pt
Priority to CA002009861A priority patent/CA2009861A1/en
Priority to FI900695A priority patent/FI900695A0/fi
Priority to JP2029739A priority patent/JPH02289786A/ja
Publication of SE8900473L publication Critical patent/SE8900473L/

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
SE8900473A 1989-02-13 1989-02-13 Drill bit SE8900473L (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE8900473A SE8900473L (sv) 1989-02-13 1989-02-13 Drill bit
AU49098/90A AU4909890A (en) 1989-02-13 1990-02-05 Drill bit
US07/475,258 US5038874A (en) 1989-02-13 1990-02-05 Drill bit having a flushing medium channel
EP90850051A EP0383737A1 (en) 1989-02-13 1990-02-06 Drill bit
NO90900662A NO900662L (no) 1989-02-13 1990-02-12 Borkrone.
BR909000617A BR9000617A (pt) 1989-02-13 1990-02-12 Broce; membro tubular; e cabo de tubo
CA002009861A CA2009861A1 (en) 1989-02-13 1990-02-12 Drill bit
FI900695A FI900695A0 (fi) 1989-02-13 1990-02-13 Borrbett.
JP2029739A JPH02289786A (ja) 1989-02-13 1990-02-13 トップハンマードリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8900473A SE8900473L (sv) 1989-02-13 1989-02-13 Drill bit

Publications (2)

Publication Number Publication Date
SE8900473D0 SE8900473D0 (sv) 1989-02-13
SE8900473L true SE8900473L (sv) 1990-08-14

Family

ID=20375013

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8900473A SE8900473L (sv) 1989-02-13 1989-02-13 Drill bit

Country Status (9)

Country Link
US (1) US5038874A ( )
EP (1) EP0383737A1 ( )
JP (1) JPH02289786A ( )
AU (1) AU4909890A ( )
BR (1) BR9000617A ( )
CA (1) CA2009861A1 ( )
FI (1) FI900695A0 ( )
NO (1) NO900662L ( )
SE (1) SE8900473L ( )

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467419B (sv) * 1990-11-14 1992-07-13 Uniroc Ab Borrstraengkomponent
DE4114457C1 ( ) * 1991-05-03 1992-06-25 Ing. Guenter Klemm Bohrtechnik Gmbh, 5962 Drolshagen, De
SE468824B (sv) * 1991-09-24 1993-03-22 Uniroc Ab Gaengat aendstycke vid bergborrverktyg, bestaaende av en roersats och en daeri anordnad staangsats
DE4427149C1 (de) * 1994-08-01 1995-10-26 Duss Maschf Bohrwerkzeug, insbesondere für Bohrhämmer
SE503851C2 (sv) * 1994-12-21 1996-09-16 Atlas Copco Rock Drills Ab Styrning av slagkolv i ett vattendrivet slagverk
US6161633A (en) * 1998-02-03 2000-12-19 Cutting Edge Technology Apparatus for boring through a solid material
US6736226B2 (en) 1998-02-03 2004-05-18 Cutting Edge Technologies, Llc Method and apparatus for boring through a solid material
US6938961B2 (en) 2002-03-21 2005-09-06 Cutting Edge Technologies, Llc Apparatus for breaking up solid objects
SK932007A3 (sk) * 2007-07-09 2009-02-05 Konek, S. R. O. Hydraulické rozrušovacie kladivo
CN103147686B (zh) * 2013-03-26 2015-04-01 徐正强 一种三向冲击工具
EA033043B1 (ru) * 2013-05-17 2019-08-30 Эпирок Дриллинг Тулз Актиеболаг Устройство и система для ударного бурения горной породы

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US791264A (en) * 1904-05-23 1905-05-30 Martin Hardsocg Bit for rock-drills.
US3101796A (en) * 1960-11-14 1963-08-27 Pan American Petroleum Corp Fluid-driven percussion motor
US3595323A (en) * 1969-06-23 1971-07-27 Misson Mfg Co Exhaust means for percussion tool motors
US3712388A (en) * 1970-12-23 1973-01-23 Baker Oil Tools Inc Down-hole air hammer
US3804181A (en) * 1972-03-29 1974-04-16 Baker Oil Tools Inc Bore hole for hammer drive mechanism
SE374781B ( ) * 1973-07-05 1975-03-17 Sandvik Ab
US3866746A (en) * 1973-08-27 1975-02-18 Bakerdrill Inc Rotary bore hole air hammer drive mechanism
AT345759B (de) * 1975-03-22 1978-10-10 Walter Gmbh Co H P Tieflochbohrhammer
SE8501698L (sv) * 1985-04-04 1986-10-05 Santrade Ltd Borrkrona
SE460141B (sv) * 1986-02-24 1989-09-11 Santrade Ltd Borrverktyg foer rotations- och/eller slagborrning innefattande en excentrisk rymmare samt rymmare ingaaende i ett saadant borrverktyg
SE460917B (sv) * 1988-04-26 1989-12-04 Sandvik Ab Borrstraengskomponent foer topphammarborrning

Also Published As

Publication number Publication date
US5038874A (en) 1991-08-13
NO900662D0 (no) 1990-02-12
NO900662L (no) 1990-08-14
SE8900473D0 (sv) 1989-02-13
FI900695A0 (fi) 1990-02-13
BR9000617A (pt) 1991-01-15
AU4909890A (en) 1990-08-16
EP0383737A1 (en) 1990-08-22
CA2009861A1 (en) 1990-08-13
JPH02289786A (ja) 1990-11-29

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8900473-3

Effective date: 19930617