NO20041482L - Magnetisk signalering i rorledninger. - Google Patents

Magnetisk signalering i rorledninger.

Info

Publication number
NO20041482L
NO20041482L NO20041482A NO20041482A NO20041482L NO 20041482 L NO20041482 L NO 20041482L NO 20041482 A NO20041482 A NO 20041482A NO 20041482 A NO20041482 A NO 20041482A NO 20041482 L NO20041482 L NO 20041482L
Authority
NO
Norway
Prior art keywords
core
magnetic
coil
magnetic flux
pipelines
Prior art date
Application number
NO20041482A
Other languages
English (en)
Other versions
NO336125B1 (no
Inventor
Daniel Joinson
Steven Martin Hudson
Original Assignee
Expro North Sea Ltd
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 Expro North Sea Ltd filed Critical Expro North Sea Ltd
Publication of NO20041482L publication Critical patent/NO20041482L/no
Publication of NO336125B1 publication Critical patent/NO336125B1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
NO20041482A 2001-10-11 2004-04-07 Magnetisk signalering i rørledninger. NO336125B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0124451.6A GB0124451D0 (en) 2001-10-11 2001-10-11 Magnetic signalling in pipelines
PCT/GB2002/004623 WO2003033875A1 (en) 2001-10-11 2002-10-11 Magnetic signalling in pipelines

Publications (2)

Publication Number Publication Date
NO20041482L true NO20041482L (no) 2004-05-11
NO336125B1 NO336125B1 (no) 2015-05-18

Family

ID=9923657

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20041482A NO336125B1 (no) 2001-10-11 2004-04-07 Magnetisk signalering i rørledninger.

Country Status (8)

Country Link
US (1) US7315256B2 (no)
EP (1) EP1434928B1 (no)
AT (1) ATE314559T1 (no)
CA (1) CA2463257C (no)
DE (1) DE60208407D1 (no)
GB (1) GB0124451D0 (no)
NO (1) NO336125B1 (no)
WO (1) WO2003033875A1 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO323487B3 (no) 2005-02-11 2010-11-01 Norsk Hydro As Fremgangsmate og utstyr for reduksjon av multiple dispersjoner
JP6495730B2 (ja) * 2015-04-30 2019-04-03 ホシデン株式会社 二次コイルモジュール
CN107918163A (zh) * 2017-11-16 2018-04-17 江门市信通通信工程有限公司 一种管线路径检测装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4739325A (en) 1982-09-30 1988-04-19 Macleod Laboratories, Inc. Apparatus and method for down-hole EM telemetry while drilling
US4845494A (en) * 1984-05-01 1989-07-04 Comdisco Resources, Inc. Method and apparatus using casing and tubing for transmitting data up a well
JPS63160430A (ja) 1986-12-24 1988-07-04 Reideitsuku:Kk 電磁誘導信号伝送方式
WO1994029749A1 (en) * 1993-06-04 1994-12-22 Gas Research Institute, Inc. Method and apparatus for communicating signals from encased borehole
US5512889A (en) * 1994-05-24 1996-04-30 Atlantic Richfield Company Downhole instruments for well operations
FR2750450B1 (fr) * 1996-07-01 1998-08-07 Geoservices Dispositif et methode de transmission d'informations par onde electromagnetique
US6188223B1 (en) * 1996-09-03 2001-02-13 Scientific Drilling International Electric field borehole telemetry
GB2341754B (en) * 1998-09-19 2002-07-03 Cryoton Drill string telemetry
US6249259B1 (en) * 1999-09-30 2001-06-19 Gas Research Institute Downhole magnetic dipole antenna
US6615848B2 (en) * 2002-01-30 2003-09-09 Halliburton Energy Services, Inc. Electronically controlled pipeline monitoring and cleaning device

Also Published As

Publication number Publication date
WO2003033875A1 (en) 2003-04-24
EP1434928B1 (en) 2005-12-28
US20050030198A1 (en) 2005-02-10
EP1434928A1 (en) 2004-07-07
CA2463257A1 (en) 2003-04-24
ATE314559T1 (de) 2006-01-15
GB0124451D0 (en) 2001-12-05
DE60208407D1 (de) 2006-02-02
CA2463257C (en) 2010-02-02
US7315256B2 (en) 2008-01-01
NO336125B1 (no) 2015-05-18

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Legal Events

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MK1K Patent expired