NO20016222D0 - Fremgangsmåte for skjerming, samt apparat som benytter tverrgående spor - Google Patents

Fremgangsmåte for skjerming, samt apparat som benytter tverrgående spor

Info

Publication number
NO20016222D0
NO20016222D0 NO20016222A NO20016222A NO20016222D0 NO 20016222 D0 NO20016222 D0 NO 20016222D0 NO 20016222 A NO20016222 A NO 20016222A NO 20016222 A NO20016222 A NO 20016222A NO 20016222 D0 NO20016222 D0 NO 20016222D0
Authority
NO
Norway
Prior art keywords
shielding
well
transverse grooves
transverse
grooves
Prior art date
Application number
NO20016222A
Other languages
English (en)
Other versions
NO337553B1 (no
NO20016222L (no
Inventor
Jean Seydoux
Richard A Rosthal
Dzevat Omeragic
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 NO20016222D0 publication Critical patent/NO20016222D0/no
Publication of NO20016222L publication Critical patent/NO20016222L/no
Publication of NO337553B1 publication Critical patent/NO337553B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Connection Of Plates (AREA)
  • Details Of Indoor Wiring (AREA)
  • Waveguide Aerials (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Joints Allowing Movement (AREA)
NO20016222A 2000-12-22 2001-12-19 Avskjermingsmetode og apparat som benytter tverrslisser NO337553B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/746,927 US6566881B2 (en) 1999-12-01 2000-12-22 Shielding method and apparatus using transverse slots

Publications (3)

Publication Number Publication Date
NO20016222D0 true NO20016222D0 (no) 2001-12-19
NO20016222L NO20016222L (no) 2002-06-24
NO337553B1 NO337553B1 (no) 2016-05-09

Family

ID=25002939

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20016222A NO337553B1 (no) 2000-12-22 2001-12-19 Avskjermingsmetode og apparat som benytter tverrslisser
NO20151259A NO339607B1 (no) 2000-12-22 2015-09-25 Fremgangsmåte for skjerming, samt apparat som benytter en bøyelig strimmel

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20151259A NO339607B1 (no) 2000-12-22 2015-09-25 Fremgangsmåte for skjerming, samt apparat som benytter en bøyelig strimmel

Country Status (8)

Country Link
US (2) US6566881B2 (no)
AU (1) AU766363B2 (no)
BR (1) BRPI0105757B1 (no)
CA (1) CA2363534C (no)
CO (1) CO5290323A1 (no)
GB (1) GB2374936B (no)
NO (2) NO337553B1 (no)
RU (1) RU2219569C2 (no)

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Also Published As

Publication number Publication date
GB2374936A (en) 2002-10-30
NO339607B1 (no) 2017-01-09
AU9135001A (en) 2002-06-27
NO337553B1 (no) 2016-05-09
GB0127993D0 (en) 2002-01-16
RU2219569C2 (ru) 2003-12-20
CA2363534A1 (en) 2002-06-22
US6630830B2 (en) 2003-10-07
NO20151259L (no) 2002-06-24
NO20016222L (no) 2002-06-24
US20030155923A1 (en) 2003-08-21
GB2374936B (en) 2003-09-17
CO5290323A1 (es) 2003-06-27
CA2363534C (en) 2004-01-06
US6566881B2 (en) 2003-05-20
US20010004212A1 (en) 2001-06-21
AU766363B2 (en) 2003-10-16
BR0105757A (pt) 2002-10-08
BRPI0105757B1 (pt) 2015-03-17

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