IT1313326B1 - Dispositivo per sbarrare aria compressa di lavaggio nellatrivellazione con circolazione di acqua. - Google Patents

Dispositivo per sbarrare aria compressa di lavaggio nellatrivellazione con circolazione di acqua.

Info

Publication number
IT1313326B1
IT1313326B1 IT1999MI002069A ITMI992069A IT1313326B1 IT 1313326 B1 IT1313326 B1 IT 1313326B1 IT 1999MI002069 A IT1999MI002069 A IT 1999MI002069A IT MI992069 A ITMI992069 A IT MI992069A IT 1313326 B1 IT1313326 B1 IT 1313326B1
Authority
IT
Italy
Prior art keywords
barriing
leveling
circulation
washing
water
Prior art date
Application number
IT1999MI002069A
Other languages
English (en)
Italian (it)
Inventor
Sebastian Bauer
Georg Hofner
Original Assignee
Bauer Spezialtiefbau
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 Bauer Spezialtiefbau filed Critical Bauer Spezialtiefbau
Publication of ITMI992069A0 publication Critical patent/ITMI992069A0/it
Publication of ITMI992069A1 publication Critical patent/ITMI992069A1/it
Application granted granted Critical
Publication of IT1313326B1 publication Critical patent/IT1313326B1/it

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
    • 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
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves

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)
IT1999MI002069A 1998-10-23 1999-10-05 Dispositivo per sbarrare aria compressa di lavaggio nellatrivellazione con circolazione di acqua. IT1313326B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19849028A DE19849028C2 (de) 1998-10-23 1998-10-23 Absperrvorrichtung zum Absperren von Spüldruckluft beim Spülbohren

Publications (3)

Publication Number Publication Date
ITMI992069A0 ITMI992069A0 (it) 1999-10-05
ITMI992069A1 ITMI992069A1 (it) 2001-04-05
IT1313326B1 true IT1313326B1 (it) 2002-07-17

Family

ID=7885484

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI002069A IT1313326B1 (it) 1998-10-23 1999-10-05 Dispositivo per sbarrare aria compressa di lavaggio nellatrivellazione con circolazione di acqua.

Country Status (3)

Country Link
DE (1) DE19849028C2 (fr)
FR (1) FR2785016B1 (fr)
IT (1) IT1313326B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776236B (zh) * 2022-06-13 2025-04-25 河南理工大学 突出煤层盾护卸压钻具及孔外封闭出渣系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190415B (de) * 1961-12-07 1965-04-08 Rheinische Braunkohlenw Ag Bohrgestaenge fuer Luftspuelverfahren
DE1240485B (de) * 1966-06-21 1967-05-11 August Goettker Erben Flachboh Bohrgestaenge fuer Lufthebebohrverfahren mit Ventilvorrichtung
DE2810621C3 (de) * 1978-03-11 1981-12-17 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Vorrichtung für Bohrgestänge zum Lufthebebohren
FR2452583A1 (fr) * 1979-03-30 1980-10-24 Foraco Forage Rationnel Const Dispositif de mise en oeuvre d'un procede de forage a la boue en circulation inverse par creation d'une depression
AU555868B2 (en) * 1982-03-15 1986-10-16 Turkmensky Nauchno-Issledovatelsky Geologorazvedochny Institut Air lift valve
DE3304594C2 (de) * 1983-02-10 1984-12-06 Turkmenskij naučno-issledovatel'skij geologorasvedočnyj institut, Ašchabad Einrichtung zum Säubern von Bohrlöchern
DE19626591C1 (de) * 1996-07-02 1998-04-16 Wirth Co Kg Masch Bohr Verfahren zum Niederbringen von Bohrungen im Erdreich unter Austrag des Bohrgutes nach dem Lufthebeverfahren und Bohrwerkzeug zur Anwendung des Verfahrens

Also Published As

Publication number Publication date
DE19849028A1 (de) 2000-04-27
DE19849028C2 (de) 2002-11-07
ITMI992069A1 (it) 2001-04-05
FR2785016A1 (fr) 2000-04-28
ITMI992069A0 (it) 1999-10-05
FR2785016B1 (fr) 2002-04-05

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