NL7502813A - DRILLING CHIT FOR ROTATING AND IMPACT DRILLING. - Google Patents

DRILLING CHIT FOR ROTATING AND IMPACT DRILLING.

Info

Publication number
NL7502813A
NL7502813A NL7502813A NL7502813A NL7502813A NL 7502813 A NL7502813 A NL 7502813A NL 7502813 A NL7502813 A NL 7502813A NL 7502813 A NL7502813 A NL 7502813A NL 7502813 A NL7502813 A NL 7502813A
Authority
NL
Netherlands
Prior art keywords
drilling
chit
rotating
impact
impact drilling
Prior art date
Application number
NL7502813A
Other languages
Dutch (nl)
Original Assignee
Padley & Venables Ltd
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 Padley & Venables Ltd filed Critical Padley & Venables Ltd
Publication of NL7502813A publication Critical patent/NL7502813A/en

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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts
    • 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
NL7502813A 1974-03-21 1975-03-10 DRILLING CHIT FOR ROTATING AND IMPACT DRILLING. NL7502813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1260074A GB1466700A (en) 1974-03-21 1974-03-21 Drill bits

Publications (1)

Publication Number Publication Date
NL7502813A true NL7502813A (en) 1975-09-23

Family

ID=10007637

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7502813A NL7502813A (en) 1974-03-21 1975-03-10 DRILLING CHIT FOR ROTATING AND IMPACT DRILLING.

Country Status (15)

Country Link
JP (1) JPS50129403A (en)
AT (1) ATA213575A (en)
AU (1) AU7923075A (en)
BE (1) BE826797A (en)
CA (1) CA1029366A (en)
DE (1) DE2512652A1 (en)
ES (1) ES435899A1 (en)
FI (1) FI750837A (en)
FR (1) FR2264961B3 (en)
GB (1) GB1466700A (en)
IE (1) IE40686B1 (en)
NL (1) NL7502813A (en)
SE (1) SE7502904L (en)
ZA (1) ZA751175B (en)
ZM (1) ZM2975A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT376765B (en) * 1978-05-16 1984-12-27 Guergen Karlheinz INTERCHANGEABLE DRILL BIT FOR ONE STONE DRILL DRILL AND DRILL BIT APPLICABLE TO ALL STONES
US5996714A (en) * 1997-07-15 1999-12-07 Kennametal Inc. Rotatable cutting bit assembly with wedge-lock retention assembly
DE19844820A1 (en) * 1998-09-30 2000-04-13 Holzmann Philipp Ag Drill tip for a drill pipe
CN110064739A (en) * 2019-05-30 2019-07-30 广西玉柴机器股份有限公司 A kind of sand mold drill bit

Also Published As

Publication number Publication date
FR2264961B3 (en) 1977-11-25
IE40686L (en) 1975-09-21
GB1466700A (en) 1977-03-09
DE2512652A1 (en) 1975-09-25
ZA751175B (en) 1976-01-28
CA1029366A (en) 1978-04-11
JPS50129403A (en) 1975-10-13
ZM2975A1 (en) 1976-01-21
SE7502904L (en) 1975-09-22
IE40686B1 (en) 1979-08-01
AU7923075A (en) 1976-09-23
FI750837A (en) 1975-09-22
ES435899A1 (en) 1976-12-16
ATA213575A (en) 1977-06-15
FR2264961A1 (en) 1975-10-17
BE826797A (en) 1975-07-16

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