SE9800646L - Verktyg - Google Patents

Verktyg

Info

Publication number
SE9800646L
SE9800646L SE9800646A SE9800646A SE9800646L SE 9800646 L SE9800646 L SE 9800646L SE 9800646 A SE9800646 A SE 9800646A SE 9800646 A SE9800646 A SE 9800646A SE 9800646 L SE9800646 L SE 9800646L
Authority
SE
Sweden
Prior art keywords
foot valve
anvil surface
piston
drill bit
casing
Prior art date
Application number
SE9800646A
Other languages
Unknown language ( )
English (en)
Other versions
SE520358C2 (sv
SE9800646D0 (sv
Inventor
Rainer Beccu
Bengt Aasberg
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 SE9800646A priority Critical patent/SE520358C2/sv
Publication of SE9800646D0 publication Critical patent/SE9800646D0/sv
Priority to US09/261,615 priority patent/US6125952A/en
Publication of SE9800646L publication Critical patent/SE9800646L/sv
Publication of SE520358C2 publication Critical patent/SE520358C2/sv

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
    • 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
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
SE9800646A 1998-03-03 1998-03-03 Slående sänkborrhammare och borrkrona SE520358C2 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9800646A SE520358C2 (sv) 1998-03-03 1998-03-03 Slående sänkborrhammare och borrkrona
US09/261,615 US6125952A (en) 1998-03-03 1999-03-03 Percussive down-the-hole hammer and a drill bit therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9800646A SE520358C2 (sv) 1998-03-03 1998-03-03 Slående sänkborrhammare och borrkrona

Publications (3)

Publication Number Publication Date
SE9800646D0 SE9800646D0 (sv) 1998-03-03
SE9800646L true SE9800646L (sv) 1999-09-04
SE520358C2 SE520358C2 (sv) 2003-07-01

Family

ID=20410368

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9800646A SE520358C2 (sv) 1998-03-03 1998-03-03 Slående sänkborrhammare och borrkrona

Country Status (2)

Country Link
US (1) US6125952A (sv)
SE (1) SE520358C2 (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7093671B2 (en) * 2000-12-02 2006-08-22 Tracto-Technik Gmbh Pneumatic rock-boring device and method for starting such a device
US20080099218A1 (en) * 2006-10-26 2008-05-01 Sandvik Intellectual Property Ab Air actuated down-the-hole hammer for rock drilling, a drill bit and a foot valve to be used in the down-the-hole hammer
US7900716B2 (en) * 2008-01-04 2011-03-08 Longyear Tm, Inc. Vibratory unit for drilling systems
US8915314B2 (en) * 2008-03-31 2014-12-23 Center Rock Inc. Down-the-hole drill drive coupling
US8800690B2 (en) * 2008-03-31 2014-08-12 Center Rock Inc. Down-the-hole drill hammer having a reverse exhaust system and segmented chuck assembly
US8302707B2 (en) * 2009-01-28 2012-11-06 Center Rock Inc. Down-the-hole drill reverse exhaust system
US8622152B2 (en) 2009-01-28 2014-01-07 Center Rock Inc. Down-the-hole drill hammer having a sliding exhaust check valve
WO2011097380A1 (en) 2010-02-03 2011-08-11 1461160 Alberta Ltd. System and metod for conducting drilling and coring operations
EP2873799B1 (en) 2013-11-18 2017-06-14 Sandvik Intellectual Property AB Down-the-hole hammer drill bit assembly
CN108505933A (zh) * 2018-06-01 2018-09-07 长江大学 一种反循环气动冲击潜孔锤
DE102020103596A1 (de) * 2020-02-12 2021-08-12 TERRA AG für Tiefbautechnik Vorrichtung zum Erzeugen einer Erdbohrung
JP2023025360A (ja) * 2021-08-10 2023-02-22 パナソニックＩｐマネジメント株式会社 インパクト回転工具

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878550A (en) * 1988-07-15 1989-11-07 Sandvik Rock Tools, Inc. Pilot-valve-controlled percussion drilling tool
US5131476A (en) * 1990-12-18 1992-07-21 Percussion Drilling, Inc. Down hole percussion drill apparatus
US5435402A (en) * 1994-09-28 1995-07-25 Ziegenfuss; Mark Self-propelled earth drilling hammer-bit assembly

Also Published As

Publication number Publication date
SE520358C2 (sv) 2003-07-01
SE9800646D0 (sv) 1998-03-03
US6125952A (en) 2000-10-03

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Legal Events

Date Code Title Description
NUG Patent has lapsed