EP0998678A4 - Procede de detection de corrosion dans des pipelines et analogue par analyse comparative d'impulsions de propagation - Google Patents

Procede de detection de corrosion dans des pipelines et analogue par analyse comparative d'impulsions de propagation

Info

Publication number
EP0998678A4
EP0998678A4 EP98930074A EP98930074A EP0998678A4 EP 0998678 A4 EP0998678 A4 EP 0998678A4 EP 98930074 A EP98930074 A EP 98930074A EP 98930074 A EP98930074 A EP 98930074A EP 0998678 A4 EP0998678 A4 EP 0998678A4
Authority
EP
European Patent Office
Prior art keywords
pipelines
pulse propagation
propagation analysis
detecting corrosion
comparative pulse
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Withdrawn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
EP98930074A
Other languages
German (de)
English (en)
Other versions
EP0998678A1 (fr
Inventor
Gale D Burnett
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.)
PROFILE TECHNOLOGIES Inc
Original Assignee
PROFILE TECHNOLOGIES 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 PROFILE TECHNOLOGIES Inc filed Critical PROFILE TECHNOLOGIES Inc
Publication of EP0998678A1 publication Critical patent/EP0998678A1/fr
Publication of EP0998678A4 publication Critical patent/EP0998678A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
EP98930074A 1997-06-04 1998-06-04 Procede de detection de corrosion dans des pipelines et analogue par analyse comparative d'impulsions de propagation Withdrawn EP0998678A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4866097P 1997-06-04 1997-06-04
US48660P 1997-06-04
PCT/US1998/011683 WO1998055877A1 (fr) 1997-06-04 1998-06-04 Procede de detection de corrosion dans des pipelines et analogue par analyse comparative d'impulsions de propagation

Publications (2)

Publication Number Publication Date
EP0998678A1 EP0998678A1 (fr) 2000-05-10
EP0998678A4 true EP0998678A4 (fr) 2002-02-13

Family

ID=21955747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98930074A Withdrawn EP0998678A4 (fr) 1997-06-04 1998-06-04 Procede de detection de corrosion dans des pipelines et analogue par analyse comparative d'impulsions de propagation

Country Status (4)

Country Link
EP (1) EP0998678A4 (fr)
AU (1) AU7954598A (fr)
CA (1) CA2293500C (fr)
WO (1) WO1998055877A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1629228B1 (fr) * 2003-05-06 2017-08-16 WaveTrue, Inc. Procede de test non destructif d'elements conducteurs au moyen de la retrodiffusion electromagnetique
US9207192B1 (en) 2009-03-19 2015-12-08 Wavetrue, Inc. Monitoring dielectric fill in a cased pipeline

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0399583A2 (fr) * 1989-04-27 1990-11-28 Gale D. Burnett Appareil et procédé pour analyser la propagation d'une impulsion pour tester un pipeline ou similaire
US5189374A (en) * 1991-10-25 1993-02-23 Burnett Gale D Method for pulse propagation analysis of a well casing or the like by transmitted pulse interaction
US5243294A (en) * 1991-10-25 1993-09-07 Pipeline Profiles, Ltd. Methods of and apparatus for detecting the character and location of anomalies along a conductive member using pulse propagation
WO1996028743A1 (fr) * 1995-03-14 1996-09-19 Profile Technologies, Inc. Procedes de reflectometrie pour tuyaux isoles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3511076A1 (de) * 1985-03-27 1986-10-09 Kopp AG International Pipeline Services, 4450 Lingen Molch fuer elektromagnetische pruefungen an rohrleitungswandungen aus stahl sowie verfahren hierzu
US5270661A (en) * 1991-10-25 1993-12-14 Pipeline Profiles, Ltd. Method of detecting a conductor anomaly by applying pulses along the conductor in opposite directions
DE4141123C1 (fr) * 1991-12-13 1993-03-18 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0399583A2 (fr) * 1989-04-27 1990-11-28 Gale D. Burnett Appareil et procédé pour analyser la propagation d'une impulsion pour tester un pipeline ou similaire
US5189374A (en) * 1991-10-25 1993-02-23 Burnett Gale D Method for pulse propagation analysis of a well casing or the like by transmitted pulse interaction
US5243294A (en) * 1991-10-25 1993-09-07 Pipeline Profiles, Ltd. Methods of and apparatus for detecting the character and location of anomalies along a conductive member using pulse propagation
WO1996028743A1 (fr) * 1995-03-14 1996-09-19 Profile Technologies, Inc. Procedes de reflectometrie pour tuyaux isoles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9855877A1 *

Also Published As

Publication number Publication date
WO1998055877A1 (fr) 1998-12-10
EP0998678A1 (fr) 2000-05-10
CA2293500A1 (fr) 1998-12-10
AU7954598A (en) 1998-12-21
CA2293500C (fr) 2010-12-14

Similar Documents

Publication Publication Date Title
EP0829714A4 (fr) Detecteur de defauts par ultrasons et procede de detection de defauts par ultrasons
GB2341680B (en) Seismic detection apparatus and related method
GB2343930B (en) Ultrasonic cleanout tool and method of use thereof
BR9710269A (pt) Sistema de distribuição em uma peça e método de confecçáo do mesmo
PL337971A1 (en) Method of and appartaus for measuring both the level and time-lag of signals in many sensors
HK1096483A1 (en) Emotion detecting method and system of the same
IL123451A0 (en) Method and kit for the detection of explosives
GB2333155B (en) Seismic detection apparatus and method
GB2343284B (en) Fire sensor and fire detecting method
GB9422952D0 (en) Corrosion inhibitor
GB2338132B (en) Echo detection in echo ranging systems
GB9714684D0 (en) Pipe fitting construction and method
DE69409379D1 (de) Ultraschallabtastgerät und -verfahren
GB9326501D0 (en) Method and circuitry for determining the beginning of echo pulses
GB9515964D0 (en) Detecting characteristics of liquids in pipes
IL136123A0 (en) Particles and process for corrosion and creep-resistant coatings
GB9605540D0 (en) Method and system for use in the measurement of velocity
EP0998678A4 (fr) Procede de detection de corrosion dans des pipelines et analogue par analyse comparative d'impulsions de propagation
IL143413A0 (en) Method for the activation of water and use thereof
GB9702912D0 (en) Metal level detection method and apparatus
IL140356A0 (en) Systems and methods for measuring forces using piezoelectric transducers
AU5761496A (en) Stain corrosion and scale inhibitors
GB9524267D0 (en) Enzyme inhibitor and method
IL119704A0 (en) Detection method using radar and radar for implementing the method
GB9321917D0 (en) Corrosion inhibitors

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

A4 Supplementary search report drawn up and despatched

Effective date: 20020102

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RIC1 Information provided on ipc code assigned before grant

Free format text: 7G 01R 29/02 A, 7G 01N 17/00 B

17P Request for examination filed

Effective date: 20000217

17Q First examination report despatched

Effective date: 20050415

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20051026