CO5290323A1 - Metodo de proteccion y aparato usando renuras transversales - Google Patents

Metodo de proteccion y aparato usando renuras transversales

Info

Publication number
CO5290323A1
CO5290323A1 CO01105790A CO01105790A CO5290323A1 CO 5290323 A1 CO5290323 A1 CO 5290323A1 CO 01105790 A CO01105790 A CO 01105790A CO 01105790 A CO01105790 A CO 01105790A CO 5290323 A1 CO5290323 A1 CO 5290323A1
Authority
CO
Colombia
Prior art keywords
support
longitudinal axis
protection
groove
cylindrical surface
Prior art date
Application number
CO01105790A
Other languages
English (en)
Inventor
Jean Seydoux
Richard A Rosthal
Omeragic Dzevat
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 CO5290323A1 publication Critical patent/CO5290323A1/es

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)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Joints Allowing Movement (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Connection Of Plates (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

Un aparato para ser usado con un soporte alargado que está adaptado para ser dispuesto dentro de un agujero de perforación, dicho soporte teniendo un eje longitudinal, comprendiendo:un cuerpo adaptado para formar una superficie cilíndrica;dicho cuerpo estando adaptado para ser montado sobre dicho soporte; ydicho cuerpo teniendo al menos una ranura formada en él de forma tal que dicha ranura sea perpendicular a dicho eje longitudinal cuando dicho cuerpo está montado sobre dicho soporte; en donde dicho cuerpo proporciona atenuación predeterminada de un componente campo electromagnético mientras dicho campo interactúa con dicho cuerpo.Un método para proteger una fuente o sensor dispuesto sobre un soporte alargado teniendo un eje longitudinal y adaptado para su disposición dentro de un agujero de perforación, comprendiendo montar un cuerpo adaptado para formar una superficie cilíndrica sobre dicho soporte para cubrir dicha fuente o sensor, dicho cuerpo teniendo al menos una ranura formada en él de forma que dicha ranura sea perpendicular a dicho eje longitudinal, donde dicho cuerpo proporciona predeterminada atenuación de un componente campo electromagnético mientras dicho campo interactúa con dicho cuerpo.<EMI FILE="01105790_1" ID="1" IMF=JPEG >
CO01105790A 2000-12-22 2001-12-11 Metodo de proteccion y aparato usando renuras transversales CO5290323A1 (es)

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 (1)

Publication Number Publication Date
CO5290323A1 true CO5290323A1 (es) 2003-06-27

Family

ID=25002939

Family Applications (1)

Application Number Title Priority Date Filing Date
CO01105790A CO5290323A1 (es) 2000-12-22 2001-12-11 Metodo de proteccion y aparato usando renuras transversales

Country Status (8)

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

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Also Published As

Publication number Publication date
US20030155923A1 (en) 2003-08-21
CA2363534C (en) 2004-01-06
CA2363534A1 (en) 2002-06-22
NO20016222D0 (no) 2001-12-19
BR0105757A (pt) 2002-10-08
NO20151259L (no) 2002-06-24
GB2374936A (en) 2002-10-30
US20010004212A1 (en) 2001-06-21
RU2219569C2 (ru) 2003-12-20
AU766363B2 (en) 2003-10-16
GB2374936B (en) 2003-09-17
NO339607B1 (no) 2017-01-09
AU9135001A (en) 2002-06-27
US6566881B2 (en) 2003-05-20
NO337553B1 (no) 2016-05-09
BRPI0105757B1 (pt) 2015-03-17
NO20016222L (no) 2002-06-24
GB0127993D0 (en) 2002-01-16
US6630830B2 (en) 2003-10-07

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