NO20002031L - FremgangsmÕte og system for detektering av den longitudinale forskyvningen av en borkrone - Google Patents

FremgangsmÕte og system for detektering av den longitudinale forskyvningen av en borkrone

Info

Publication number
NO20002031L
NO20002031L NO20002031A NO20002031A NO20002031L NO 20002031 L NO20002031 L NO 20002031L NO 20002031 A NO20002031 A NO 20002031A NO 20002031 A NO20002031 A NO 20002031A NO 20002031 L NO20002031 L NO 20002031L
Authority
NO
Norway
Prior art keywords
weight
drill bit
rwob
hook
model
Prior art date
Application number
NO20002031A
Other languages
English (en)
Other versions
NO20002031D0 (no
Inventor
Isabelle Rey-Fabret
Jean-Pierre Desplans
Original Assignee
Inst Francais Du Petrole
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 Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Publication of NO20002031D0 publication Critical patent/NO20002031D0/no
Publication of NO20002031L publication Critical patent/NO20002031L/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

Foreliggende oppfinnelse gjelder en anordning og en fremgangsmåte for å frembringe en alarm ut i fra den effektive atferd i lengderetningen av en borkrone som er festet til ytterenden av en borestreng som drives i rotasjon i en borebrønn ved hjelp av drivutstyr som befinner seg på jordoverflaten, hvor det anvendes en fysisk modell av boreprosessen basert på generelle mekaniske ligninger.De følgende prosesstrinn utføres: modellen reduséres slik at bare de rele-vante modi opprettholdes, minst to verdier Rf og Rwob beregnes, idet Rf er en funksjon av grunnfrekvensen av de svingninger vekten på hektekronen WOH utfø-rer, dividert med den midlere momentane rotasjonshastighet på jordoverflaten, Rwob er en funksjon av standardavviket for signalet fra vekten på borkronen WOB ; fastslått av den reduserte longitudinalmodell ut i fra målinger av signalet fra vekten på hektekroken WOH, dividert med den midlere vekt på borkronen WOBdefinert. som vekten av borestrengen og den midlere vekt på hektekroken.Farlighetsgraden av borkronens atferd i lengderetningen fastlegges ut i fra nevnte verdier av Rf og Rwob.
NO20002031A 1999-04-19 2000-04-18 FremgangsmÕte og system for detektering av den longitudinale forskyvningen av en borkrone NO20002031L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9904941A FR2792363B1 (fr) 1999-04-19 1999-04-19 Methode et systeme de detection du deplacement longitudinal d'un outil de forage

Publications (2)

Publication Number Publication Date
NO20002031D0 NO20002031D0 (no) 2000-04-18
NO20002031L true NO20002031L (no) 2000-10-20

Family

ID=9544617

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20002031A NO20002031L (no) 1999-04-19 2000-04-18 FremgangsmÕte og system for detektering av den longitudinale forskyvningen av en borkrone

Country Status (5)

Country Link
US (1) US6363780B1 (no)
EP (1) EP1046781B1 (no)
CA (1) CA2306320A1 (no)
FR (1) FR2792363B1 (no)
NO (1) NO20002031L (no)

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EP3236385B1 (en) 2008-11-21 2018-11-21 Exxonmobil Upstream Research Company Methods and systems for modeling, designing, and conducting drilling operations that consider vibrations
EP2462315B1 (en) 2009-08-07 2018-11-14 Exxonmobil Upstream Research Company Methods to estimate downhole drilling vibration amplitude from surface measurement
EA201270259A1 (ru) 2009-08-07 2012-09-28 Эксонмобил Апстрим Рисерч Компани Спобобы оценки показателей вибраций на забое при бурении по результатам измерений на поверхности
US9593567B2 (en) 2011-12-01 2017-03-14 National Oilwell Varco, L.P. Automated drilling system
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US11536128B2 (en) 2017-03-31 2022-12-27 Exxonmobil Upstream Research Company Method for drilling wellbores utilizing drilling parameters optimized for stick-slip vibration conditions
CA3054627C (en) 2017-03-31 2021-10-26 Exxonmobil Upstream Research Company Method for drilling wellbores utilizing a drill string assembly optimized for stick-slip vibration conditions
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Also Published As

Publication number Publication date
US6363780B1 (en) 2002-04-02
EP1046781A1 (fr) 2000-10-25
FR2792363B1 (fr) 2001-06-01
NO20002031D0 (no) 2000-04-18
FR2792363A1 (fr) 2000-10-20
EP1046781B1 (fr) 2005-02-02
CA2306320A1 (fr) 2000-10-19

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