NO891392L - Fremgangsmaate for bestemmelse av slitasje paa en borkrone. - Google Patents

Fremgangsmaate for bestemmelse av slitasje paa en borkrone.

Info

Publication number
NO891392L
NO891392L NO89891392A NO891392A NO891392L NO 891392 L NO891392 L NO 891392L NO 89891392 A NO89891392 A NO 89891392A NO 891392 A NO891392 A NO 891392A NO 891392 L NO891392 L NO 891392L
Authority
NO
Norway
Prior art keywords
procedure
determining wear
drill crown
crown
drill
Prior art date
Application number
NO89891392A
Other languages
English (en)
Other versions
NO891392D0 (no
NO171741C (no
NO171741B (no
Inventor
Stuart Jardine
Original Assignee
Forex Neptune Sa
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 Forex Neptune Sa filed Critical Forex Neptune Sa
Publication of NO891392D0 publication Critical patent/NO891392D0/no
Publication of NO891392L publication Critical patent/NO891392L/no
Publication of NO171741B publication Critical patent/NO171741B/no
Publication of NO171741C publication Critical patent/NO171741C/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
    • E21B12/00—Accessories for drilling tools
    • E21B12/02—Wear indicators
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4065—Monitoring tool breakage, life or condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Earth Drilling (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Drilling Tools (AREA)
NO891392A 1988-04-05 1989-04-03 Fremgangsmaate for bestemmelse av slitasje paa en borekrone NO171741C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8807889A GB2217012B (en) 1988-04-05 1988-04-05 Method of determining drill bit wear

Publications (4)

Publication Number Publication Date
NO891392D0 NO891392D0 (no) 1989-04-03
NO891392L true NO891392L (no) 1989-10-06
NO171741B NO171741B (no) 1993-01-18
NO171741C NO171741C (no) 1993-04-28

Family

ID=10634556

Family Applications (1)

Application Number Title Priority Date Filing Date
NO891392A NO171741C (no) 1988-04-05 1989-04-03 Fremgangsmaate for bestemmelse av slitasje paa en borekrone

Country Status (6)

Country Link
US (1) US4928521A (no)
EP (1) EP0336477B1 (no)
CA (1) CA1298394C (no)
DE (1) DE68900462D1 (no)
GB (1) GB2217012B (no)
NO (1) NO171741C (no)

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FR2673237B1 (fr) * 1991-02-25 1999-02-26 Elf Aquitaine Methode de surveillance automatique de l'etat vibratoire d'une garniture de forage.
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US6843120B2 (en) * 2002-06-19 2005-01-18 Bj Services Company Apparatus and method of monitoring and signaling for downhole tools
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WO2006005337A1 (en) * 2004-06-11 2006-01-19 Nanonord A/S A method for analyzing fundamental frequencies and application of the method
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US7484571B2 (en) * 2006-06-30 2009-02-03 Baker Hughes Incorporated Downhole abrading tools having excessive wear indicator
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US8006781B2 (en) * 2008-12-04 2011-08-30 Baker Hughes Incorporated Method of monitoring wear of rock bit cutters
US9624729B2 (en) 2008-12-10 2017-04-18 Baker Hughes Incorporated Real time bit monitoring
US20100139987A1 (en) * 2008-12-10 2010-06-10 Baker Hughes Incorporated Real time dull grading
SE535585C2 (sv) * 2010-09-20 2012-10-02 Spc Technology Ab Förfarande och anordning för slagverkande sänkhålsborrning
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US10551516B2 (en) 2011-09-26 2020-02-04 Saudi Arabian Oil Company Apparatus and methods of evaluating rock properties while drilling using acoustic sensors installed in the drilling fluid circulation system of a drilling rig
US9074467B2 (en) 2011-09-26 2015-07-07 Saudi Arabian Oil Company Methods for evaluating rock properties while drilling using drilling rig-mounted acoustic sensors
US10180061B2 (en) 2011-09-26 2019-01-15 Saudi Arabian Oil Company Methods of evaluating rock properties while drilling using downhole acoustic sensors and a downhole broadband transmitting system
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US9903974B2 (en) 2011-09-26 2018-02-27 Saudi Arabian Oil Company Apparatus, computer readable medium, and program code for evaluating rock properties while drilling using downhole acoustic sensors and telemetry system
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Also Published As

Publication number Publication date
NO891392D0 (no) 1989-04-03
CA1298394C (en) 1992-03-31
EP0336477A1 (en) 1989-10-11
NO171741C (no) 1993-04-28
EP0336477B1 (en) 1991-11-27
DE68900462D1 (de) 1992-01-09
GB8807889D0 (en) 1988-05-05
NO171741B (no) 1993-01-18
GB2217012A (en) 1989-10-18
US4928521A (en) 1990-05-29
GB2217012B (en) 1992-03-25

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