NO740735L - Fremgangsmåte ved boring av hull i fjellformasjoner samt borkrone for utførelse av fremgangsmåten. - Google Patents

Fremgangsmåte ved boring av hull i fjellformasjoner samt borkrone for utførelse av fremgangsmåten.

Info

Publication number
NO740735L
NO740735L NO740735A NO740735A NO740735L NO 740735 L NO740735 L NO 740735L NO 740735 A NO740735 A NO 740735A NO 740735 A NO740735 A NO 740735A NO 740735 L NO740735 L NO 740735L
Authority
NO
Norway
Prior art keywords
carrying
drill bit
drilling holes
rock formations
formations
Prior art date
Application number
NO740735A
Other languages
English (en)
Other versions
NO143391B (no
NO143391C (no
Inventor
Albert Cornelis Pols
Robijn Feenstra
Original Assignee
Shell Int Research
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
Priority claimed from GB1053073A external-priority patent/GB1469524A/en
Application filed by Shell Int Research filed Critical Shell Int Research
Publication of NO740735L publication Critical patent/NO740735L/no
Publication of NO143391B publication Critical patent/NO143391B/no
Publication of NO143391C publication Critical patent/NO143391C/no

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
    • 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
    • E21B10/08—Roller bits
    • E21B10/18—Roller 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
    • E21B10/00—Drill bits
    • E21B10/60—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)
  • Earth Drilling (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Sheet Holders (AREA)
  • Fertilizing (AREA)
NO740735A 1973-03-05 1974-03-04 Fremgangsmaate ved boring av hull i fjellformasjoner samt borkrone for utfoerelse av fremgangsmaaten NO143391C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1053073A GB1469524A (en) 1973-03-05 1973-03-05 Rotary bit for hydraulically drilling holes into underground formations
GB5143273 1973-11-06

Publications (3)

Publication Number Publication Date
NO740735L true NO740735L (no) 1974-09-06
NO143391B NO143391B (no) 1980-10-20
NO143391C NO143391C (no) 1981-01-28

Family

ID=26247583

Family Applications (1)

Application Number Title Priority Date Filing Date
NO740735A NO143391C (no) 1973-03-05 1974-03-04 Fremgangsmaate ved boring av hull i fjellformasjoner samt borkrone for utfoerelse av fremgangsmaaten

Country Status (6)

Country Link
JP (1) JPS5743717B2 (no)
CA (1) CA997749A (no)
DE (1) DE2410236C3 (no)
FR (1) FR2220662A1 (no)
NL (1) NL177241C (no)
NO (1) NO143391C (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations
JP2012127062A (ja) * 2010-12-13 2012-07-05 Mitsubishi Materials Corp 掘削ビット

Also Published As

Publication number Publication date
FR2220662A1 (en) 1974-10-04
CA997749A (en) 1976-09-28
DE2410236B2 (de) 1980-03-06
JPS49118601A (no) 1974-11-13
JPS5743717B2 (no) 1982-09-16
DE2410236A1 (de) 1974-09-12
NL177241C (nl) 1985-08-16
NO143391B (no) 1980-10-20
NL7402876A (no) 1974-09-09
FR2220662B1 (no) 1982-06-04
DE2410236C3 (de) 1980-10-23
NO143391C (no) 1981-01-28

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