NO20051006L - Anordning og fremgangsmate for stoydempning ved slampulstelemetri i borehull - Google Patents

Anordning og fremgangsmate for stoydempning ved slampulstelemetri i borehull

Info

Publication number
NO20051006L
NO20051006L NO20051006A NO20051006A NO20051006L NO 20051006 L NO20051006 L NO 20051006L NO 20051006 A NO20051006 A NO 20051006A NO 20051006 A NO20051006 A NO 20051006A NO 20051006 L NO20051006 L NO 20051006L
Authority
NO
Norway
Prior art keywords
pulse telemetry
noise suppression
borehole
filter
borehole pulse
Prior art date
Application number
NO20051006A
Other languages
English (en)
Inventor
Benoit Froelich
Songming Huang
Franck Monmont
Original Assignee
Schlumberger Technology 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 Schlumberger Technology Bv filed Critical Schlumberger Technology Bv
Publication of NO20051006L publication Critical patent/NO20051006L/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
    • 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
    • E21B47/18—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 well fluid, e.g. mud pressure pulse telemetry
    • 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

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Measuring Fluid Pressure (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Slamførende rørledningsutstyr på overflaten er beskrevet sammen med et mekanisk akustisk filter (1245) av stemt til et forut bestemt frekvensbånd for derved å svekke pumpestøy (132) innenfor dette bånd. Dette filter kan kombineres med en Venturi-innsnevring for å frembringe forbedret svekking og blir da brukt for å forbedre signaloverføring i et slampuls-telemetrisystem (113-2).
NO20051006A 2002-09-06 2005-02-24 Anordning og fremgangsmate for stoydempning ved slampulstelemetri i borehull NO20051006L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0220737A GB2392762A (en) 2002-09-06 2002-09-06 Mud pump noise attenuation in a borehole telemetry system
PCT/GB2003/003616 WO2004022916A1 (en) 2002-09-06 2003-08-19 Noise attenuation apparatus for borehole telemetry

Publications (1)

Publication Number Publication Date
NO20051006L true NO20051006L (no) 2005-06-03

Family

ID=9943611

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20051006A NO20051006L (no) 2002-09-06 2005-02-24 Anordning og fremgangsmate for stoydempning ved slampulstelemetri i borehull

Country Status (7)

Country Link
US (1) US7345594B2 (no)
AU (1) AU2003259333A1 (no)
CA (1) CA2497487C (no)
EA (1) EA007174B1 (no)
GB (2) GB2392762A (no)
NO (1) NO20051006L (no)
WO (1) WO2004022916A1 (no)

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Also Published As

Publication number Publication date
US7345594B2 (en) 2008-03-18
GB2407188A (en) 2005-04-20
GB2407188B (en) 2006-05-31
AU2003259333A1 (en) 2004-03-29
US20060109141A1 (en) 2006-05-25
CA2497487A1 (en) 2004-03-18
GB0220737D0 (en) 2002-10-16
EA007174B1 (ru) 2006-08-25
EA200500451A1 (ru) 2005-08-25
WO2004022916A1 (en) 2004-03-18
CA2497487C (en) 2011-09-27
AU2003259333A8 (en) 2004-03-29
GB0502999D0 (en) 2005-03-16
GB2392762A (en) 2004-03-10

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