GB1023419A - Drilling bit - Google Patents

Drilling bit

Info

Publication number
GB1023419A
GB1023419A GB4660764A GB4660764A GB1023419A GB 1023419 A GB1023419 A GB 1023419A GB 4660764 A GB4660764 A GB 4660764A GB 4660764 A GB4660764 A GB 4660764A GB 1023419 A GB1023419 A GB 1023419A
Authority
GB
United Kingdom
Prior art keywords
drilling bit
nozzles
heading
nov
discharged
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4660764A
Inventor
Robijin Feenstra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Priority to GB4660764A priority Critical patent/GB1023419A/en
Priority to NL6514789A priority patent/NL6514789A/xx
Publication of GB1023419A publication Critical patent/GB1023419A/en
Expired legal-status Critical Current

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
    • E21B10/08—Roller bits
    • E21B10/18—Roller 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)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

1,023,419. Boring earth, &c. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. Nov. 16, 1964, No. 46607/64. Heading E1F. Flushing liquid is discharged from a roller cone bit through three outer nozzles, such as 20, 21, and through an axial nozzle 25. One or all the nozzles may be without the projecting tubular parts shown.
GB4660764A 1964-11-16 1964-11-16 Drilling bit Expired GB1023419A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4660764A GB1023419A (en) 1964-11-16 1964-11-16 Drilling bit
NL6514789A NL6514789A (en) 1964-11-16 1965-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4660764A GB1023419A (en) 1964-11-16 1964-11-16 Drilling bit

Publications (1)

Publication Number Publication Date
GB1023419A true GB1023419A (en) 1966-03-23

Family

ID=10441913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4660764A Expired GB1023419A (en) 1964-11-16 1964-11-16 Drilling bit

Country Status (2)

Country Link
GB (1) GB1023419A (en)
NL (1) NL6514789A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068731A (en) * 1976-11-17 1978-01-17 Smith International, Inc. Extended nozzle and bit stabilizer and method of producing
US4623027A (en) * 1985-06-17 1986-11-18 Edward Vezirian Unsegmented rotary rock bit structure and hydraulic fitting
US5072796A (en) * 1989-05-19 1991-12-17 University Of Petroleum, China Boring bit
GB2314864A (en) * 1996-06-27 1998-01-14 Smith International Rock bit with an extended centre jet
GB2348912A (en) * 1996-06-27 2000-10-18 Smith International Rock bit with extended centre jet
CN104806168A (en) * 2014-01-26 2015-07-29 北京加华维尔能源技术有限公司 Novel hydraulic roller bit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068731A (en) * 1976-11-17 1978-01-17 Smith International, Inc. Extended nozzle and bit stabilizer and method of producing
US4623027A (en) * 1985-06-17 1986-11-18 Edward Vezirian Unsegmented rotary rock bit structure and hydraulic fitting
US5072796A (en) * 1989-05-19 1991-12-17 University Of Petroleum, China Boring bit
GB2314864A (en) * 1996-06-27 1998-01-14 Smith International Rock bit with an extended centre jet
US5853055A (en) * 1996-06-27 1998-12-29 Smith International, Inc. Rock bit with an extended center jet
GB2348912A (en) * 1996-06-27 2000-10-18 Smith International Rock bit with extended centre jet
GB2314864B (en) * 1996-06-27 2001-01-31 Smith International Rock bit with an extended center jet
GB2348912B (en) * 1996-06-27 2001-01-31 Smith International Rock bit with an extended center jet
CN104806168A (en) * 2014-01-26 2015-07-29 北京加华维尔能源技术有限公司 Novel hydraulic roller bit
CN104806168B (en) * 2014-01-26 2019-04-02 北京加华维尔能源技术有限公司 A kind of novel hydropower structure rock bit

Also Published As

Publication number Publication date
NL6514789A (en) 1966-05-17

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