FI990589A0 - Menetelmä ja laitteisto maanalaiseen poraukseen - Google Patents

Menetelmä ja laitteisto maanalaiseen poraukseen

Info

Publication number
FI990589A0
FI990589A0 FI990589A FI990589A FI990589A0 FI 990589 A0 FI990589 A0 FI 990589A0 FI 990589 A FI990589 A FI 990589A FI 990589 A FI990589 A FI 990589A FI 990589 A0 FI990589 A0 FI 990589A0
Authority
FI
Finland
Prior art keywords
equipment
underground drilling
underground
drilling
Prior art date
Application number
FI990589A
Other languages
English (en)
Swedish (sv)
Other versions
FI990589A (fi
Inventor
Risto Vaelisalo
Original Assignee
Rd Trenchless 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 Rd Trenchless Ltd Oy filed Critical Rd Trenchless Ltd Oy
Priority to FI990589A priority Critical patent/FI990589A/fi
Publication of FI990589A0 publication Critical patent/FI990589A0/fi
Priority to AU34360/00A priority patent/AU3436000A/en
Priority to PCT/FI2000/000212 priority patent/WO2000055469A1/en
Publication of FI990589A publication Critical patent/FI990589A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • 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
    • 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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (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)
FI990589A 1999-03-16 1999-03-16 Menetelmä ja laitteisto maanalaiseen poraukseen FI990589A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI990589A FI990589A (fi) 1999-03-16 1999-03-16 Menetelmä ja laitteisto maanalaiseen poraukseen
AU34360/00A AU3436000A (en) 1999-03-16 2000-03-16 Method and apparatus for underground drilling
PCT/FI2000/000212 WO2000055469A1 (en) 1999-03-16 2000-03-16 Method and apparatus for underground drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI990589A FI990589A (fi) 1999-03-16 1999-03-16 Menetelmä ja laitteisto maanalaiseen poraukseen

Publications (2)

Publication Number Publication Date
FI990589A0 true FI990589A0 (fi) 1999-03-16
FI990589A FI990589A (fi) 2000-09-17

Family

ID=8554213

Family Applications (1)

Application Number Title Priority Date Filing Date
FI990589A FI990589A (fi) 1999-03-16 1999-03-16 Menetelmä ja laitteisto maanalaiseen poraukseen

Country Status (3)

Country Link
AU (1) AU3436000A (fi)
FI (1) FI990589A (fi)
WO (1) WO2000055469A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IES20050621A2 (en) * 2005-09-20 2006-11-15 Minroc Techn Promotions Ltd A percussion hammer for enlarging drilled holes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759970A (fr) * 1970-11-17 1971-06-07 Inst Gornogo Dela Sibirskogo O Procede d'elargissement de trous debouchants creuses dans le sol et dispositif pour sa realisation
US3894402A (en) * 1974-07-19 1975-07-15 Martin D Cherrington Apparatus and method for emplacing a conduit along an underground arcuate path
CH683016A5 (de) * 1990-12-24 1993-12-31 Terra Ag Tiefbautechnik Verfahren zum Aufweiten eines Bohrloches und Aufweitgerät.
US5314267A (en) * 1992-08-27 1994-05-24 Mark Osadchuk Horizontal pipeline boring apparatus and method
FI954309A (fi) * 1995-09-14 1997-03-15 Rd Trenchless Ltd Oy Poralaite ja porausmenetelmä

Also Published As

Publication number Publication date
WO2000055469A1 (en) 2000-09-21
FI990589A (fi) 2000-09-17
AU3436000A (en) 2000-10-04

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