EP1704297B8 - Drilling device - Google Patents

Drilling device Download PDF

Info

Publication number
EP1704297B8
EP1704297B8 EP04804208.9A EP04804208A EP1704297B8 EP 1704297 B8 EP1704297 B8 EP 1704297B8 EP 04804208 A EP04804208 A EP 04804208A EP 1704297 B8 EP1704297 B8 EP 1704297B8
Authority
EP
European Patent Office
Prior art keywords
drilling device
drilling
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP04804208.9A
Other languages
German (de)
French (fr)
Other versions
EP1704297A1 (en
EP1704297B1 (en
Inventor
Franz-Josef Blickhan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prakla Bohrtechnik GmbH
Original Assignee
Prakla Bohrtechnik GmbH
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 Prakla Bohrtechnik GmbH filed Critical Prakla Bohrtechnik GmbH
Publication of EP1704297A1 publication Critical patent/EP1704297A1/en
Application granted granted Critical
Publication of EP1704297B1 publication Critical patent/EP1704297B1/en
Publication of EP1704297B8 publication Critical patent/EP1704297B8/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems

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)
EP04804208.9A 2003-12-22 2004-12-22 Drilling device Not-in-force EP1704297B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003161080 DE10361080A1 (en) 2003-12-22 2003-12-22 drilling
PCT/EP2004/014612 WO2005061843A1 (en) 2003-12-22 2004-12-22 Drilling device

Publications (3)

Publication Number Publication Date
EP1704297A1 EP1704297A1 (en) 2006-09-27
EP1704297B1 EP1704297B1 (en) 2014-05-07
EP1704297B8 true EP1704297B8 (en) 2014-06-18

Family

ID=34706550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04804208.9A Not-in-force EP1704297B8 (en) 2003-12-22 2004-12-22 Drilling device

Country Status (3)

Country Link
EP (1) EP1704297B8 (en)
DE (1) DE10361080A1 (en)
WO (1) WO2005061843A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1731708B1 (en) * 2005-06-10 2007-08-08 Geomechanik Wasser- und Umwelttechnik GmbH Sledgehammer drilling apparatus and method
DE102005026921A1 (en) * 2005-06-10 2006-12-21 Geomechanik Wasser- Und Umwelttechnik Gmbh Hammer-drilling arrangement for drilling purposes comprises a hammer-drill head, a flushing medium supply unit, a drill pipe with a conveying channel for the drillings and an overlaying pipe connected to a drilling crown
DE102007043621B4 (en) * 2007-09-13 2013-03-28 Stump Spezialtiefbau Gmbh bore seal
CN113323581A (en) * 2021-05-30 2021-08-31 徐州基桩工程公司 Structure of slag discharging device of pneumatic down-the-hole hammer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1472555A (en) * 1921-08-13 1923-10-30 Erd V Crowell Oil or gas well
US4057118A (en) 1975-10-02 1977-11-08 Walker-Neer Manufacturing Co., Inc. Bit packer for dual tube drilling
US4321975A (en) * 1980-06-02 1982-03-30 Dyer Ronald S Slurry diverter
FR2496160A1 (en) 1980-12-11 1982-06-18 Lamothe Andre Sealed connector for deep drilling tools - where drilling liq. can be fed to tool, or another liq. can be fed into drilled hole without reaching the tool
US4657092A (en) 1985-07-17 1987-04-14 J & F Oil Tools, Inc. Circulation reversing tool
FR2597150B1 (en) 1986-04-11 1988-09-09 Boniface Andre IMPROVEMENT IN SOIL DRILLING DEVICES INCLUDING A DRILLING TOOL FIXED AT THE END OF A ROD FORMED FROM TWO CONCENTRIC TUBES
DE8902189U1 (en) * 1989-02-24 1989-05-03 Turmag Turbo-Maschinen-AG Nüsse & Gräfer, 4322 Sprockhövel Drilling machine for producing a large hole in rock with extendable drill rod and indirect compressed air flushing
DE4225806C1 (en) 1992-08-05 1993-12-16 Klemm Bohrtech Drilling bit mounting for boring large holes - has clamp within drilling tube with radial expansion against eccentric type carrier
DE4310726A1 (en) 1993-04-02 1994-10-06 Franz Blickhan Drill pipe with countersunk hammer drill head

Also Published As

Publication number Publication date
DE10361080A1 (en) 2005-07-28
EP1704297A1 (en) 2006-09-27
WO2005061843A1 (en) 2005-07-07
EP1704297B1 (en) 2014-05-07

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