DE68926512T2 - Detektor zum Entdecken von Diskontinuitäten in einem Rohr - Google Patents

Detektor zum Entdecken von Diskontinuitäten in einem Rohr

Info

Publication number
DE68926512T2
DE68926512T2 DE68926512T DE68926512T DE68926512T2 DE 68926512 T2 DE68926512 T2 DE 68926512T2 DE 68926512 T DE68926512 T DE 68926512T DE 68926512 T DE68926512 T DE 68926512T DE 68926512 T2 DE68926512 T2 DE 68926512T2
Authority
DE
Germany
Prior art keywords
probe
coils
detector according
rod
flexible rod
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.)
Expired - Fee Related
Application number
DE68926512T
Other languages
German (de)
English (en)
Other versions
DE68926512D1 (de
Inventor
Frank V Philpot
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.)
BG Group Ltd
Original Assignee
British Gas PLC
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 British Gas PLC filed Critical British Gas PLC
Application granted granted Critical
Publication of DE68926512D1 publication Critical patent/DE68926512D1/de
Publication of DE68926512T2 publication Critical patent/DE68926512T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01V3/10—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 using induction coils
    • G01V3/104—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 using induction coils using several coupled or uncoupled coils
    • G01V3/105—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 using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • G01V3/107—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 using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops using compensating coil or loop arrangements

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Pipeline Systems (AREA)
DE68926512T 1988-03-26 1989-03-21 Detektor zum Entdecken von Diskontinuitäten in einem Rohr Expired - Fee Related DE68926512T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888807301A GB8807301D0 (en) 1988-03-26 1988-03-26 Detector

Publications (2)

Publication Number Publication Date
DE68926512D1 DE68926512D1 (de) 1996-06-20
DE68926512T2 true DE68926512T2 (de) 1996-11-21

Family

ID=10634214

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68926512T Expired - Fee Related DE68926512T2 (de) 1988-03-26 1989-03-21 Detektor zum Entdecken von Diskontinuitäten in einem Rohr
DE68915275T Expired - Fee Related DE68915275T2 (de) 1988-03-26 1989-03-21 Detektor.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE68915275T Expired - Fee Related DE68915275T2 (de) 1988-03-26 1989-03-21 Detektor.

Country Status (8)

Country Link
US (3) US5302895A (OSRAM)
EP (2) EP0409882B1 (OSRAM)
JP (2) JP2842910B2 (OSRAM)
AU (1) AU3426289A (OSRAM)
DE (2) DE68926512T2 (OSRAM)
GB (2) GB8807301D0 (OSRAM)
HK (1) HK1007003A1 (OSRAM)
WO (1) WO1989009417A1 (OSRAM)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8807301D0 (en) * 1988-03-26 1988-04-27 Philpot Electronics Ltd Detector
GB2247062B (en) * 1990-08-07 1994-05-18 Alh Syst Ltd Sealing of pipes
CA2076205C (en) * 1992-08-14 1999-04-20 Valentino S. Cecco Differential transmit-receive eddy current probe incorporating bracelets of multi-coil units
FI973993L (fi) * 1995-04-24 1997-12-17 Goeran Larsson Menetelmä ja laite ferromagneettisten kohteiden mittaamiseksi
US6291992B1 (en) * 1996-07-12 2001-09-18 Shell Oil Company Eddy current inspection technique
DE19829999C1 (de) * 1998-06-24 2000-01-13 Mannesmann Ag Verfahren und Meßgerät zur Detektierung der ordnungsgemäßen Einstecktiefe in einer Rohrpreßverbindung
AUPP813499A0 (en) * 1999-01-13 1999-02-04 Rock Solid Research Pty. Ltd. A subsurface pipeline inspection probe
US6286542B1 (en) 1999-05-14 2001-09-11 Continental Industries, Inc. Method and article of manufacture for inserting a locator wire into a subterranean, or otherwise concealed, pressurized plastic pipeline
US6755593B2 (en) * 2001-01-22 2004-06-29 Earth Tool Company, L.L.C. Pipe replacement method and rotary impact mechanism for pipe bursting
US6792820B2 (en) * 2001-03-29 2004-09-21 Earth Tool Company, L.L.C. Method and accessories for pipe replacement
FR2904694B1 (fr) * 2006-08-03 2008-11-07 Commissariat Energie Atomique Procede et dispositif de controle par courants de foucault a fonctions emission/reception separees d'une piece electriquement conductrice
US7583073B2 (en) 2007-07-19 2009-09-01 Honeywell International Inc. Core-less current sensor
US20110304336A1 (en) * 2010-06-09 2011-12-15 Consolidated Edison Company Of New York, Inc. Device and Method For Locating A Conduit
US8558408B2 (en) 2010-09-29 2013-10-15 General Electric Company System and method for providing redundant power to a device
US8278779B2 (en) 2011-02-07 2012-10-02 General Electric Company System and method for providing redundant power to a device
US9057471B2 (en) 2012-09-20 2015-06-16 Jameson Llc Method and device for tapping and tracing a conduit
DE102013209808A1 (de) 2013-05-27 2014-11-27 iCONTROLS k.s. Induktiver Sensor
US20170081954A1 (en) * 2015-09-23 2017-03-23 Tesco Corporation Pipe joint location detection system and method
US10317558B2 (en) * 2017-03-14 2019-06-11 Saudi Arabian Oil Company EMU impulse antenna
US10330815B2 (en) 2017-03-14 2019-06-25 Saudi Arabian Oil Company EMU impulse antenna for low frequency radio waves using giant dielectric and ferrite materials
US10416335B2 (en) * 2017-03-14 2019-09-17 Saudi Arabian Oil Company EMU impulse antenna with controlled directionality and improved impedance matching
US10365393B2 (en) 2017-11-07 2019-07-30 Saudi Arabian Oil Company Giant dielectric nanoparticles as high contrast agents for electromagnetic (EM) fluids imaging in an oil reservoir
CN111336410A (zh) * 2020-04-20 2020-06-26 西南石油大学 一种导磁管柱冲蚀的实时在线检测装置及方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601248A (en) * 1948-12-30 1952-06-24 Standard Oil Co Pipe line cleaner and locator
US3361960A (en) * 1964-07-09 1968-01-02 Atomic Energy Commission Usa Pulsed nondestructive eddy current testing device using shielded specimen encircling coils
US3434046A (en) * 1965-12-20 1969-03-18 Halliburton Co Electronic borehole casing collar locator
US3518533A (en) * 1966-02-14 1970-06-30 Essem Metotest Ab Electroinductive sensing device with adjustable coil
US3786347A (en) * 1972-12-21 1974-01-15 Magnetic Analysis Corp Apparatus for generating stable driving pulses for an eddy current test system
US3942105A (en) * 1973-11-21 1976-03-02 Bondarenko Oleg P Non-contact inductive pickup for determining the interface between two media
IT1115746B (it) * 1977-11-15 1986-02-03 Siargas Procedimento per la realizzazione di giunti a tenuta stagna in condotte interrate
US4325261A (en) * 1979-10-09 1982-04-20 Emerson Electric Co. Pulsed DC constant current magnetic flowmeter
GB2098333B (en) * 1981-05-08 1985-10-09 Atomic Energy Authority Uk Liquid level detector
JPS60161658U (ja) * 1984-04-06 1985-10-26 株式会社東芝 車両用窓洗浄装置
US4814702A (en) * 1984-05-31 1989-03-21 Westinghouse Electric Corp. Process for accurately determining the position of the edges of support plates in steam generators
US4685516A (en) * 1986-01-21 1987-08-11 Atlantic Richfield Company Apparatus for operating wireline tools in wellbores
GB8807301D0 (en) * 1988-03-26 1988-04-27 Philpot Electronics Ltd Detector

Also Published As

Publication number Publication date
EP0541520B1 (en) 1996-05-15
GB2235302B (en) 1992-08-19
JP2834702B2 (ja) 1998-12-14
WO1989009417A1 (en) 1989-10-05
HK1007004A1 (en) 1999-03-26
JPH03503682A (ja) 1991-08-15
AU3426289A (en) 1989-10-16
DE68915275T2 (de) 1994-09-01
JPH08327606A (ja) 1996-12-13
GB9020585D0 (en) 1990-12-19
EP0409882A1 (en) 1991-01-30
US5473246A (en) 1995-12-05
US5367258A (en) 1994-11-22
US5302895A (en) 1994-04-12
EP0409882B1 (en) 1994-05-11
DE68915275D1 (de) 1994-06-16
JP2842910B2 (ja) 1999-01-06
GB2235302A (en) 1991-02-27
GB8807301D0 (en) 1988-04-27
HK1007003A1 (en) 1999-03-26
EP0541520A2 (en) 1993-05-12
DE68926512D1 (de) 1996-06-20
EP0541520A3 (OSRAM) 1994-04-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BG PLC, LONDON, GB

8339 Ceased/non-payment of the annual fee