CH419025A - Trépan perforateur creux à percussion - Google Patents

Trépan perforateur creux à percussion

Info

Publication number
CH419025A
CH419025A CH1066364A CH1066364A CH419025A CH 419025 A CH419025 A CH 419025A CH 1066364 A CH1066364 A CH 1066364A CH 1066364 A CH1066364 A CH 1066364A CH 419025 A CH419025 A CH 419025A
Authority
CH
Switzerland
Prior art keywords
drill bit
hammer drill
hollow hammer
hollow
bit
Prior art date
Application number
CH1066364A
Other languages
English (en)
Inventor
John Clemmow Raymond
Original Assignee
P & V Mining & Engineering Lim
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 P & V Mining & Engineering Lim filed Critical P & V Mining & Engineering Lim
Publication of CH419025A publication Critical patent/CH419025A/fr

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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion 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)
CH1066364A 1963-08-19 1964-08-14 Trépan perforateur creux à percussion CH419025A (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
CH419025A true CH419025A (fr) 1966-08-31

Family

ID=10060337

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1066364A CH419025A (fr) 1963-08-19 1964-08-14 Trépan perforateur creux à percussion

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 (12)

* 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
JP3961959B2 (ja) 2001-05-17 2007-08-22 アトラス・コプコ・マイ・ゲーエムベーハー ドリルビット
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

Also Published As

Publication number Publication date
GB1071418A (en) 1967-06-07
FR1411867A (fr) 1965-09-24
BE651905A (fr) 1964-12-16
NL6409493A (fr) 1965-02-22

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