ATE76158T1 - Schlagbohrer mit austauschbarem schneid- oder bohrkopf mit abwaerts oder seitwaerts gerichteten spuelungskanaelen. - Google Patents

Schlagbohrer mit austauschbarem schneid- oder bohrkopf mit abwaerts oder seitwaerts gerichteten spuelungskanaelen.

Info

Publication number
ATE76158T1
ATE76158T1 AT88118509T AT88118509T ATE76158T1 AT E76158 T1 ATE76158 T1 AT E76158T1 AT 88118509 T AT88118509 T AT 88118509T AT 88118509 T AT88118509 T AT 88118509T AT E76158 T1 ATE76158 T1 AT E76158T1
Authority
AT
Austria
Prior art keywords
sideway
downward
drilling head
interchangeable cutting
flushing channels
Prior art date
Application number
AT88118509T
Other languages
English (en)
Inventor
Walter Boccalatte
Original Assignee
Bbw Srl
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 Bbw Srl filed Critical Bbw Srl
Application granted granted Critical
Publication of ATE76158T1 publication Critical patent/ATE76158T1/de

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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
AT88118509T 1988-03-29 1988-11-07 Schlagbohrer mit austauschbarem schneid- oder bohrkopf mit abwaerts oder seitwaerts gerichteten spuelungskanaelen. ATE76158T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT12452/88A IT1220559B (it) 1988-03-29 1988-03-29 Perforatore a massa pattente con teste taglianti a scarico di fondo o a scarico laterale intercambiali
EP88118509A EP0336010B1 (de) 1988-03-29 1988-11-07 Schlagbohrer mit austauschbarem Schneid- oder Bohrkopf mit abwärts oder seitwärts gerichteten Spülungskanälen

Publications (1)

Publication Number Publication Date
ATE76158T1 true ATE76158T1 (de) 1992-05-15

Family

ID=11140329

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88118509T ATE76158T1 (de) 1988-03-29 1988-11-07 Schlagbohrer mit austauschbarem schneid- oder bohrkopf mit abwaerts oder seitwaerts gerichteten spuelungskanaelen.

Country Status (4)

Country Link
EP (1) EP0336010B1 (de)
AT (1) ATE76158T1 (de)
DE (1) DE3871137D1 (de)
IT (1) IT1220559B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6062322A (en) * 1998-06-15 2000-05-16 Sandvik Ab Precussive down-the-hole rock drilling hammer
US6131672A (en) * 2000-02-14 2000-10-17 Sandvik Ab Percussive down-the-hole rock drilling hammer and piston therefor
GB2389133B (en) 2000-12-02 2005-01-05 Tracto Technik Pneumatic rock-drilling apparatus
CN107191593B (zh) * 2016-03-15 2020-07-10 中国石油化工股份有限公司 冲击器缸体及装配方法和其密封性能测试装置及方法
CN106285457B (zh) * 2016-11-01 2018-09-18 山东中瑞工程机械有限公司 潜孔冲击器的风量自动调节分配装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3339649A (en) * 1965-01-19 1967-09-05 Atlas Copco Ab Rock drill bits
AT345759B (de) * 1975-03-22 1978-10-10 Walter Gmbh Co H P Tieflochbohrhammer
FR2424408A1 (fr) * 1978-04-24 1979-11-23 Stenuick Freres Taillant de perforation pour marteau pneumatique fond-de-trou
US4530408A (en) * 1983-03-28 1985-07-23 Toutant Roland J Porting system for pneumatic impact hammer

Also Published As

Publication number Publication date
EP0336010B1 (de) 1992-05-13
EP0336010A1 (de) 1989-10-11
IT8812452A0 (it) 1988-03-29
IT1220559B (it) 1990-06-15
DE3871137D1 (de) 1992-06-17

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties