ZA972849B - Reaming tool for rock drilling and a device therefor. - Google Patents

Reaming tool for rock drilling and a device therefor.

Info

Publication number
ZA972849B
ZA972849B ZA9702849A ZA972849A ZA972849B ZA 972849 B ZA972849 B ZA 972849B ZA 9702849 A ZA9702849 A ZA 9702849A ZA 972849 A ZA972849 A ZA 972849A ZA 972849 B ZA972849 B ZA 972849B
Authority
ZA
South Africa
Prior art keywords
rock drilling
device therefor
reaming tool
reaming
tool
Prior art date
Application number
ZA9702849A
Inventor
Stig-Aake Brolund
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
Publication of ZA972849B publication Critical patent/ZA972849B/en

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092—Gauge section of drill bits
    • 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
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • 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
    • E21B10/08—Roller bits
    • E21B10/18—Roller 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles

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)
ZA9702849A 1996-04-09 1997-04-03 Reaming tool for rock drilling and a device therefor. ZA972849B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9601337A SE506342C2 (en) 1996-04-09 1996-04-09 Clearing tools for rock drilling and ancillary part for this

Publications (1)

Publication Number Publication Date
ZA972849B true ZA972849B (en) 1997-10-31

Family

ID=20402119

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9702849A ZA972849B (en) 1996-04-09 1997-04-03 Reaming tool for rock drilling and a device therefor.

Country Status (4)

Country Link
AU (1) AU2416697A (en)
SE (1) SE506342C2 (en)
WO (1) WO1997038206A1 (en)
ZA (1) ZA972849B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013111350A1 (en) 2013-10-15 2015-04-16 TERRA AG für Tiefbautechnik Expander tool and device for expanding a passage opening present in the ground

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3566564D1 (en) * 1984-07-27 1989-01-05 Diamant Boart Sa Hole opener
NO176528C (en) * 1992-02-17 1995-04-19 Kverneland Klepp As Device at drill bit

Also Published As

Publication number Publication date
SE9601337D0 (en) 1996-04-09
SE9601337L (en) 1997-10-10
WO1997038206A1 (en) 1997-10-16
SE506342C2 (en) 1997-12-08
AU2416697A (en) 1997-10-29

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