NL6409493A - - Google Patents

Info

Publication number
NL6409493A
NL6409493A NL6409493A NL6409493A NL6409493A NL 6409493 A NL6409493 A NL 6409493A NL 6409493 A NL6409493 A NL 6409493A NL 6409493 A NL6409493 A NL 6409493A NL 6409493 A NL6409493 A NL 6409493A
Authority
NL
Netherlands
Application number
NL6409493A
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 filed Critical
Publication of NL6409493A publication Critical patent/NL6409493A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/36Percussion drill bits
    • E21B10/38Percussion drill bits characterised by conduits or nozzles for drilling fluids

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)
NL6409493A 1963-08-19 1964-08-18 NL6409493A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1550663A GB1071418A (en) 1963-08-19 1963-08-19 Improvements in rock-drilling tools

Publications (1)

Publication Number Publication Date
NL6409493A true NL6409493A (fr) 1965-02-22

Family

ID=10060337

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6409493A NL6409493A (fr) 1963-08-19 1964-08-18

Country Status (5)

Country Link
BE (1) BE651905A (fr)
CH (1) CH419025A (fr)
FR (1) FR1411867A (fr)
GB (1) GB1071418A (fr)
NL (1) NL6409493A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022285A (en) * 1976-03-11 1977-05-10 Frank Donald D Drill bit with suction and method of dry drilling with liquid column
ZA7891B (en) * 1978-01-06 1979-08-29 Boart Int Ltd Down-the-hole drilling
US4299298A (en) * 1979-01-12 1981-11-10 Boart International Limited Down-the-hole drilling
FR2534308A1 (fr) * 1982-10-12 1984-04-13 Manche Atel Chantiers Procede et dispositif pour le forage et le percage de materiaux solides
FR2538442B1 (fr) * 1982-12-23 1986-02-28 Charbonnages De France Taillant pour foration rotative assistee par jet
EP0141117B2 (fr) * 1983-08-31 1993-09-22 Schwarz, Günter Procédé pour forer un fond de gravier ou de roche et foret pour sa mise en oevre
US5029657A (en) * 1989-11-14 1991-07-09 Arthur Mahar Rock drill bit
EP0434009A1 (fr) * 1989-12-20 1991-06-26 Schwarz, Günter Trepan et procédé de forage
US6540034B1 (en) 2000-04-29 2003-04-01 Westerngeco L.L.C. Portable seismic shothole drilling system
DE50207010D1 (de) 2001-05-17 2006-07-06 Atlas Copco Mai Gmbh Bohrkrone
FI128986B (en) 2017-03-01 2021-04-30 Robit Oyj DRILLING FOR SLOW DRILLING, DRILLING COMPOSITION, AND PROCEDURES FOR PRODUCING SUCH DRILLING BET
CN108612480B (zh) * 2018-06-29 2024-06-18 中国石油天然气集团有限公司 一种涡流脉冲冲击钻头
CN118407718B (zh) * 2024-07-02 2024-10-01 沧州格锐特钻头有限公司 冲击式凿岩钻头

Also Published As

Publication number Publication date
GB1071418A (en) 1967-06-07
FR1411867A (fr) 1965-09-24
BE651905A (fr) 1964-12-16
CH419025A (fr) 1966-08-31

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