SE415382B - Anordning vid jordborrkrona med volframkarbidsker samt forfarande vid dess tillverkning. - Google Patents

Anordning vid jordborrkrona med volframkarbidsker samt forfarande vid dess tillverkning.

Info

Publication number
SE415382B
SE415382B SE7507393A SE7507393A SE415382B SE 415382 B SE415382 B SE 415382B SE 7507393 A SE7507393 A SE 7507393A SE 7507393 A SE7507393 A SE 7507393A SE 415382 B SE415382 B SE 415382B
Authority
SE
Sweden
Prior art keywords
volfraker
biddes
chronicle
earth
procedures
Prior art date
Application number
SE7507393A
Other languages
English (en)
Swedish (sv)
Other versions
SE7507393L (sv
Inventor
H C Dill
S R Scales
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of SE7507393L publication Critical patent/SE7507393L/
Publication of SE415382B publication Critical patent/SE415382B/xx

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
    • E21B10/56—Button-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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

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)
SE7507393A 1974-07-03 1975-06-27 Anordning vid jordborrkrona med volframkarbidsker samt forfarande vid dess tillverkning. SE415382B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48565874A 1974-07-03 1974-07-03

Publications (2)

Publication Number Publication Date
SE7507393L SE7507393L (sv) 1976-01-05
SE415382B true SE415382B (sv) 1980-09-29

Family

ID=23928978

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7507393A SE415382B (sv) 1974-07-03 1975-06-27 Anordning vid jordborrkrona med volframkarbidsker samt forfarande vid dess tillverkning.

Country Status (6)

Country Link
AR (1) AR210852A1 (xx)
BR (1) BR7501166A (xx)
CA (1) CA1009645A (xx)
GB (1) GB1515532A (xx)
IT (1) IT1039466B (xx)
SE (1) SE415382B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1146530A (en) * 1980-03-24 1983-05-17 Percy W. Schumacher Rolling cutter drill bit
US7258833B2 (en) 2003-09-09 2007-08-21 Varel International Ind., L.P. High-energy cascading of abrasive wear components
GB2445218B (en) * 2006-09-21 2011-05-25 Smith International Atomic layer deposition nanocoating on cutting tool powder materials

Also Published As

Publication number Publication date
AR210852A1 (es) 1977-09-30
GB1515532A (en) 1978-06-28
IT1039466B (it) 1979-12-10
SE7507393L (sv) 1976-01-05
CA1009645A (en) 1977-05-03
BR7501166A (pt) 1976-11-16

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