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 propagationInfo
- 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- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating 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)
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EP98930074A Withdrawn EP0998678A4 (fr) | 1997-06-04 | 1998-06-04 | Procede de detection de corrosion dans des pipelines et analogue par analyse comparative d'impulsions de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)
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)
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)
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 |
-
1998
- 1998-06-04 CA CA2293500A patent/CA2293500C/fr not_active Expired - Fee Related
- 1998-06-04 WO PCT/US1998/011683 patent/WO1998055877A1/fr not_active Application Discontinuation
- 1998-06-04 EP EP98930074A patent/EP0998678A4/fr not_active Withdrawn
- 1998-06-04 AU AU79545/98A patent/AU7954598A/en not_active Abandoned
Patent Citations (4)
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)
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 |