GB8504674D0 - Aperture antenna system - Google Patents

Aperture antenna system

Info

Publication number
GB8504674D0
GB8504674D0 GB858504674A GB8504674A GB8504674D0 GB 8504674 D0 GB8504674 D0 GB 8504674D0 GB 858504674 A GB858504674 A GB 858504674A GB 8504674 A GB8504674 A GB 8504674A GB 8504674 D0 GB8504674 D0 GB 8504674D0
Authority
GB
United Kingdom
Prior art keywords
antenna system
aperture antenna
aperture
antenna
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB858504674A
Other versions
GB2156527A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NL Industries Inc
Original Assignee
NL Industries 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 NL Industries Inc filed Critical NL Industries Inc
Publication of GB8504674D0 publication Critical patent/GB8504674D0/en
Publication of GB2156527A publication Critical patent/GB2156527A/en
Withdrawn legal-status Critical Current

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
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017—Protecting measuring instruments
    • 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
    • H01Q1/04—Adaptation for subterranean or subaqueous use

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Electromagnetism (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Details Of Aerials (AREA)
  • Paper (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
GB08504674A 1984-03-30 1985-02-22 Aperture antenna system for measurement of formation parameters Withdrawn GB2156527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59525384A 1984-03-30 1984-03-30

Publications (2)

Publication Number Publication Date
GB8504674D0 true GB8504674D0 (en) 1985-03-27
GB2156527A GB2156527A (en) 1985-10-09

Family

ID=24382445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08504674A Withdrawn GB2156527A (en) 1984-03-30 1985-02-22 Aperture antenna system for measurement of formation parameters

Country Status (4)

Country Link
JP (1) JPS60219581A (en)
FR (1) FR2562266A1 (en)
GB (1) GB2156527A (en)
NO (1) NO851152L (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62153789A (en) * 1985-12-27 1987-07-08 シユラムバ−ガ−　オ−バ−シ−ズ　ソシエダ　アノニマ Electromagnetic recorder with slot antenna
US4857852A (en) * 1986-06-20 1989-08-15 Schlumberger Technology Corp. Induction well logging apparatus with transformer coupled phase sensitive detector
US4766384A (en) * 1986-06-20 1988-08-23 Schlumberger Technology Corp. Well logging apparatus for determining dip, azimuth, and invaded zone conductivity
US4940943A (en) * 1988-04-19 1990-07-10 Baroid Technology, Inc. Method and apparatus for optimizing the reception pattern of the antenna of a propagating electromagnetic wave logging tool
US5089779A (en) * 1990-09-10 1992-02-18 Develco, Inc. Method and apparatus for measuring strata resistivity adjacent a borehole
DE4104992C2 (en) * 1991-02-19 1994-06-09 Bergwerksverband Gmbh Device for the precise control of overlay bores
US5200705A (en) * 1991-10-31 1993-04-06 Schlumberger Technology Corporation Dipmeter apparatus and method using transducer array having longitudinally spaced transducers
US5434507A (en) * 1992-05-27 1995-07-18 Schlumberger Technology Corporation Method and apparatus for electromagnetic logging with two dimensional antenna array
GB9613592D0 (en) * 1996-06-28 1996-08-28 Era Patents Ltd Bore probe
DK1277069T3 (en) 2000-04-13 2009-11-16 Frank Andreasen Probe for detecting a dielectric medium
US6791330B2 (en) 2002-07-16 2004-09-14 General Electric Company Well logging tool and method for determining resistivity by using phase difference and/or attenuation measurements
US7098858B2 (en) * 2002-09-25 2006-08-29 Halliburton Energy Services, Inc. Ruggedized multi-layer printed circuit board based downhole antenna
CA2499045A1 (en) * 2004-03-01 2005-09-01 Pathfinder Energy Services, Inc. Azimuthally sensitive receiver array for an electromagnetic measurement tool
US7385400B2 (en) 2004-03-01 2008-06-10 Pathfinder Energy Services, Inc. Azimuthally sensitive receiver array for an electromagnetic measurement tool
WO2013188903A1 (en) * 2012-06-22 2013-12-27 Nautilus Minerals Pacific Pty Ltd An apparatus, system and method for actuating downhole tools in subsea drilling operations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1408977A (en) * 1963-07-29 1965-08-20 Arps Corp Measurement of the resistivity of formations during drilling
FR1519514A (en) * 1965-04-16 1968-04-05 Inst Francais Du Petrole Method for measuring the lateral extent of a deposit and logging probe for its implementation
IE39998B1 (en) * 1973-08-23 1979-02-14 Schlumberger Inland Service Method and apparatus for investigating earth formations
US4019126A (en) * 1974-04-10 1977-04-19 Texaco Inc. Dipmeter means utilizing generated eddy currents and lines of flux in an earth formation
FR2492540A1 (en) * 1980-10-17 1982-04-23 Schlumberger Prospection DEVICE FOR ELECTROMAGNETIC DIAGRAPHY IN DRILLING
EP0102091B1 (en) * 1980-10-17 1987-01-07 Societe De Prospection Electrique Schlumberger Electromagnetic logging apparatus
US4422043A (en) * 1981-03-16 1983-12-20 Texaco Development Corporation Electromagnetic wave logging dipmeter

Also Published As

Publication number Publication date
JPS60219581A (en) 1985-11-02
NO851152L (en) 1985-10-01
GB2156527A (en) 1985-10-09
FR2562266A1 (en) 1985-10-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)