NO20014577D0 - Fremgangsmåte og anordning for kansellering av uönskede signaler i MWD-akustiske verktöy - Google Patents

Fremgangsmåte og anordning for kansellering av uönskede signaler i MWD-akustiske verktöy

Info

Publication number
NO20014577D0
NO20014577D0 NO20014577A NO20014577A NO20014577D0 NO 20014577 D0 NO20014577 D0 NO 20014577D0 NO 20014577 A NO20014577 A NO 20014577A NO 20014577 A NO20014577 A NO 20014577A NO 20014577 D0 NO20014577 D0 NO 20014577D0
Authority
NO
Norway
Prior art keywords
unwanted signals
acoustic tools
canceling unwanted
mwd acoustic
mwd
Prior art date
Application number
NO20014577A
Other languages
English (en)
Other versions
NO20014577L (no
Inventor
Paul Frederick Rodney
Original Assignee
Dresser Ind
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
Priority claimed from PCT/US1999/006308 external-priority patent/WO2000057209A1/en
Application filed by Dresser Ind filed Critical Dresser Ind
Publication of NO20014577D0 publication Critical patent/NO20014577D0/no
Publication of NO20014577L publication Critical patent/NO20014577L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/44—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
    • G01V1/364—Seismic filtering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/30—Noise handling
    • G01V2210/32—Noise reduction

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
NO20014577A 1999-03-22 2001-09-20 Fremgangsmåte og anordning for kansellering av uönskede signaler i MWD-akustiske verktöy NO20014577L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1999/006308 WO2000057209A1 (en) 1997-10-20 1999-03-22 Method and apparatus for cancellation of unwanted signals in mwd acoustic tools

Publications (2)

Publication Number Publication Date
NO20014577D0 true NO20014577D0 (no) 2001-09-20
NO20014577L NO20014577L (no) 2001-11-22

Family

ID=22272421

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20014577A NO20014577L (no) 1999-03-22 2001-09-20 Fremgangsmåte og anordning for kansellering av uönskede signaler i MWD-akustiske verktöy

Country Status (2)

Country Link
GB (1) GB2363460B (no)
NO (1) NO20014577L (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117171627A (zh) * 2023-10-24 2023-12-05 四川恒远信友环境科技有限公司 一种基于成像技术的电力设备噪声源点识别方法及系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343001A (en) * 1992-10-13 1994-08-30 Shell Oil Company Acoustic multi-mode logging device adapted to decouple noise within a semi-rigid receiver array

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117171627A (zh) * 2023-10-24 2023-12-05 四川恒远信友环境科技有限公司 一种基于成像技术的电力设备噪声源点识别方法及系统
CN117171627B (zh) * 2023-10-24 2024-01-26 四川恒远信友环境科技有限公司 一种基于成像技术的电力设备噪声源点识别方法及系统

Also Published As

Publication number Publication date
GB2363460A (en) 2001-12-19
GB0122996D0 (en) 2001-11-14
GB2363460B (en) 2003-02-19
NO20014577L (no) 2001-11-22

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application