EP0998678A4 - Method of detecting corrosion in pipelines and the like by comparative pulse propagation analysis - Google Patents
Method of detecting corrosion in pipelines and the like by comparative pulse propagation analysisInfo
- 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- Withdrawn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
- 230000000052 comparative effect Effects 0.000 title 1
- 238000005260 corrosion Methods 0.000 title 1
- 230000007797 corrosion Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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 (en) | 1997-06-04 | 1998-06-04 | Method of detecting corrosion in pipelines and the like by comparative pulse propagation analysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0998678A1 EP0998678A1 (en) | 2000-05-10 |
| EP0998678A4 true EP0998678A4 (en) | 2002-02-13 |
Family
ID=21955747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98930074A Withdrawn EP0998678A4 (en) | 1997-06-04 | 1998-06-04 | Method of detecting corrosion in pipelines and the like by comparative pulse propagation analysis |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0998678A4 (en) |
| AU (1) | AU7954598A (en) |
| CA (1) | CA2293500C (en) |
| WO (1) | WO1998055877A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1629228B1 (en) * | 2003-05-06 | 2017-08-16 | WaveTrue, Inc. | Method for non-destructively testing conductive members employing electromagnetic back scattering |
| 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 (en) * | 1989-04-27 | 1990-11-28 | Gale D. Burnett | Apparatus and method for analysing the pulse propagation for testing a pipeline or the like |
| 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 (en) * | 1995-03-14 | 1996-09-19 | Profile Technologies, Inc. | Reflectometry methods for insulated pipes |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3511076A1 (en) * | 1985-03-27 | 1986-10-09 | Kopp AG International Pipeline Services, 4450 Lingen | MOLCH FOR ELECTROMAGNETIC TESTS ON PIPELINE WALLS OF STEEL AND METHOD THEREFOR |
| 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 (en) * | 1991-12-13 | 1993-03-18 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe, De |
-
1998
- 1998-06-04 EP EP98930074A patent/EP0998678A4/en not_active Withdrawn
- 1998-06-04 WO PCT/US1998/011683 patent/WO1998055877A1/en not_active Ceased
- 1998-06-04 CA CA2293500A patent/CA2293500C/en not_active Expired - Fee Related
- 1998-06-04 AU AU79545/98A patent/AU7954598A/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0399583A2 (en) * | 1989-04-27 | 1990-11-28 | Gale D. Burnett | Apparatus and method for analysing the pulse propagation for testing a pipeline or the like |
| 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 (en) * | 1995-03-14 | 1996-09-19 | Profile Technologies, Inc. | Reflectometry methods for insulated pipes |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO9855877A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998055877A1 (en) | 1998-12-10 |
| CA2293500A1 (en) | 1998-12-10 |
| CA2293500C (en) | 2010-12-14 |
| EP0998678A1 (en) | 2000-05-10 |
| AU7954598A (en) | 1998-12-21 |
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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 |