NO20040518L - Filtre for kansellering av flere stoykilder i et elektromagnetisk telemetrisystem for et borehull. - Google Patents

Filtre for kansellering av flere stoykilder i et elektromagnetisk telemetrisystem for et borehull.

Info

Publication number
NO20040518L
NO20040518L NO20040518A NO20040518A NO20040518L NO 20040518 L NO20040518 L NO 20040518L NO 20040518 A NO20040518 A NO 20040518A NO 20040518 A NO20040518 A NO 20040518A NO 20040518 L NO20040518 L NO 20040518L
Authority
NO
Norway
Prior art keywords
borehole
filters
telemetry system
noise sources
multiple noise
Prior art date
Application number
NO20040518A
Other languages
English (en)
Inventor
Wallace Reid Gardner
Harrison C Smith
Paul Rodney
Original Assignee
Halliburton Energy Serv 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
Application filed by Halliburton Energy Serv Inc filed Critical Halliburton Energy Serv Inc
Publication of NO20040518L publication Critical patent/NO20040518L/no

Links

Classifications

    • 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
    • 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
    • E21B47/13—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 by electromagnetic energy, e.g. radio frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/04—Adaptation for subterranean or subaqueous use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Noise Elimination (AREA)
NO20040518A 2001-08-06 2004-02-04 Filtre for kansellering av flere stoykilder i et elektromagnetisk telemetrisystem for et borehull. NO20040518L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/923,205 US6657597B2 (en) 2001-08-06 2001-08-06 Directional signal and noise sensors for borehole electromagnetic telemetry system
PCT/US2002/025074 WO2003013215A2 (en) 2001-08-06 2002-08-06 Filters for canceling multiple noise sources in borehole electromagnetic telemetry system

Publications (1)

Publication Number Publication Date
NO20040518L true NO20040518L (no) 2004-04-01

Family

ID=25448305

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20040518A NO20040518L (no) 2001-08-06 2004-02-04 Filtre for kansellering av flere stoykilder i et elektromagnetisk telemetrisystem for et borehull.
NO20040494A NO338862B1 (no) 2001-08-06 2004-02-04 Apparat for selektivt å motta elektromagnetisk stråling fra en kilde med elektromagnetisk stråling i et borehullstelemetrisystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20040494A NO338862B1 (no) 2001-08-06 2004-02-04 Apparat for selektivt å motta elektromagnetisk stråling fra en kilde med elektromagnetisk stråling i et borehullstelemetrisystem

Country Status (7)

Country Link
US (2) US6657597B2 (no)
AU (2) AU2002355522B2 (no)
BR (2) BRPI0211731B1 (no)
CA (2) CA2456637C (no)
GB (1) GB2398315B (no)
NO (2) NO20040518L (no)
WO (2) WO2003014769A1 (no)

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Also Published As

Publication number Publication date
GB2398315A (en) 2004-08-18
US6657597B2 (en) 2003-12-02
CA2456637C (en) 2009-04-14
WO2003013215A2 (en) 2003-02-20
US20030025639A1 (en) 2003-02-06
WO2003013215A3 (en) 2003-07-24
AU2002355522B2 (en) 2008-02-07
CA2455186A1 (en) 2003-02-20
US7268696B2 (en) 2007-09-11
AU2002331010B2 (en) 2006-04-13
BRPI0211731B1 (pt) 2020-11-10
CA2456637A1 (en) 2003-02-20
BR0211731A (pt) 2004-09-21
US20040069514A1 (en) 2004-04-15
GB0403157D0 (en) 2004-03-17
NO338862B1 (no) 2016-10-24
CA2455186C (en) 2010-02-16
NO20040494L (no) 2004-04-01
GB2398315B (en) 2005-06-29
WO2003014769A1 (en) 2003-02-20

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