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FI20135660L - Porakruunu - Google Patents

Porakruunu Download PDF

Info

Publication number
FI20135660L
FI20135660L FI20135660A FI20135660A FI20135660L FI 20135660 L FI20135660 L FI 20135660L FI 20135660 A FI20135660 A FI 20135660A FI 20135660 A FI20135660 A FI 20135660A FI 20135660 L FI20135660 L FI 20135660L
Authority
FI
Finland
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
FI20135660A
Other languages
English (en)
Swedish (sv)
Other versions
FI125342B (fi
Inventor
Antti Leino
Pasi Korte
Jussi Rautiainen
Jesse Laakso
Original Assignee
Robit Rocktools Ltd Oy
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 Robit Rocktools Ltd Oy filed Critical Robit Rocktools Ltd Oy
Priority to FI20135660A priority Critical patent/FI125342B/fi
Publication of FI20135660L publication Critical patent/FI20135660L/fi
Application granted granted Critical
Publication of FI125342B publication Critical patent/FI125342B/fi

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
    • E21B10/26—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
    • 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

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)
FI20135660A 2013-06-17 2013-06-17 Porakruunu FI125342B (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI20135660A FI125342B (fi) 2013-06-17 2013-06-17 Porakruunu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20135660A FI125342B (fi) 2013-06-17 2013-06-17 Porakruunu
FI20135660 2013-06-17

Publications (2)

Publication Number Publication Date
FI20135660L true FI20135660L (fi) 2014-12-18
FI125342B FI125342B (fi) 2015-08-31

Family

ID=52281648

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20135660A FI125342B (fi) 2013-06-17 2013-06-17 Porakruunu

Country Status (1)

Country Link
FI (1) FI125342B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12291925B1 (en) * 2023-10-20 2025-05-06 Center Rock Inc. Underreamer drill hammer

Also Published As

Publication number Publication date
FI125342B (fi) 2015-08-31

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