NO20050317L - Fremgangsmate og anordning for bronntelemetri ved modulasjon av en borestreng-rotasjonsparameter - Google Patents

Fremgangsmate og anordning for bronntelemetri ved modulasjon av en borestreng-rotasjonsparameter

Info

Publication number
NO20050317L
NO20050317L NO20050317A NO20050317A NO20050317L NO 20050317 L NO20050317 L NO 20050317L NO 20050317 A NO20050317 A NO 20050317A NO 20050317 A NO20050317 A NO 20050317A NO 20050317 L NO20050317 L NO 20050317L
Authority
NO
Norway
Prior art keywords
language
drill string
modulation
string rotation
speed
Prior art date
Application number
NO20050317A
Other languages
English (en)
Inventor
Stephen Jones
Emil Baron
Original Assignee
Pathfinder Energy Services Inc
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
Publication of NO20050317L publication Critical patent/NO20050317L/no
Application filed by Pathfinder Energy Services Inc filed Critical Pathfinder Energy Services Inc

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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/16—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the drill string or casing, e.g. by torsional acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Remote Sensing (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Oppfinnelsen vedrører en fremgangsmåte for kommunikasjon med en anordning i et borehull. Fremgangsmåten omfatter forhåndsdefinering av et kodingsspråk som omfatter koder som er forståelige for anordningen, hvorved kodene er representert i språket som forhåndsdefinerte verdikombinasjoner av borestrengsrotasjonsvariabler, så som rotasjonshastighet eller varighet. Fremgangsmåten omfatter dessuten rotering av en boresfreng med en første og andre hastighet, og måling av rotasjonshastighetene nede i borehullet. Den første målte rotasjonshastighet bearbeides nede i borehullet i kombinasjon med den andre målte rotasjonshastighet for å frembringe en kode i språket i anordningen i borehullet. Utførelsesformer av oppfinnelsen er f.eks. anvendelige for å sende kommandoer fiia overflaten til en anordning i borehullet, så som et awiksboreverktøy. Utførelsesformer av oppfinnelsen sørger på fordelaktig måte for hurtig og nøyaktig kombinasjon med en anordning i borehullet stort sett uten å avbryte boreprosessen.
NO20050317A 2003-07-01 2005-01-20 Fremgangsmate og anordning for bronntelemetri ved modulasjon av en borestreng-rotasjonsparameter NO20050317L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48404203P 2003-07-01 2003-07-01

Publications (1)

Publication Number Publication Date
NO20050317L true NO20050317L (no) 2005-01-03

Family

ID=32851126

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20050317A NO20050317L (no) 2003-07-01 2005-01-20 Fremgangsmate og anordning for bronntelemetri ved modulasjon av en borestreng-rotasjonsparameter

Country Status (4)

Country Link
US (1) US7245229B2 (no)
CA (1) CA2472825C (no)
GB (1) GB2406344B (no)
NO (1) NO20050317L (no)

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US8540035B2 (en) 2008-05-05 2013-09-24 Weatherford/Lamb, Inc. Extendable cutting tools for use in a wellbore
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US7950473B2 (en) * 2008-11-24 2011-05-31 Smith International, Inc. Non-azimuthal and azimuthal formation evaluation measurement in a slowly rotating housing
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Also Published As

Publication number Publication date
GB0414770D0 (en) 2004-08-04
CA2472825A1 (en) 2005-01-01
US7245229B2 (en) 2007-07-17
CA2472825C (en) 2010-04-06
GB2406344B (en) 2007-01-03
GB2406344A (en) 2005-03-30
US20050001737A1 (en) 2005-01-06

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