FR2349841A1 - Procede de detection de canalisations enterrees et de mesure de la profondeur desdites canalisations et dispositif en faisant application - Google Patents
Procede de detection de canalisations enterrees et de mesure de la profondeur desdites canalisations et dispositif en faisant applicationInfo
- Publication number
- FR2349841A1 FR2349841A1 FR7612280A FR7612280A FR2349841A1 FR 2349841 A1 FR2349841 A1 FR 2349841A1 FR 7612280 A FR7612280 A FR 7612280A FR 7612280 A FR7612280 A FR 7612280A FR 2349841 A1 FR2349841 A1 FR 2349841A1
- Authority
- FR
- France
- Prior art keywords
- depth
- pipe
- magnetic field
- measured
- region
- 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.)
- Granted
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
- G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
- G01V3/06—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current using ac
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7612280A FR2349841A1 (fr) | 1976-04-26 | 1976-04-26 | Procede de detection de canalisations enterrees et de mesure de la profondeur desdites canalisations et dispositif en faisant application |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7612280A FR2349841A1 (fr) | 1976-04-26 | 1976-04-26 | Procede de detection de canalisations enterrees et de mesure de la profondeur desdites canalisations et dispositif en faisant application |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2349841A1 true FR2349841A1 (fr) | 1977-11-25 |
FR2349841B1 FR2349841B1 (fr) | 1980-05-09 |
Family
ID=9172307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7612280A Granted FR2349841A1 (fr) | 1976-04-26 | 1976-04-26 | Procede de detection de canalisations enterrees et de mesure de la profondeur desdites canalisations et dispositif en faisant application |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2349841A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0045486A2 (fr) * | 1980-07-31 | 1982-02-10 | Metrotech Corporation | Dispositif de détermination de la distance à un objet conductif caché |
EP0682270A2 (fr) * | 1994-05-11 | 1995-11-15 | British Gas plc | Procédé et dispositif pour localiser d'un élément enterré |
EP1359440A2 (fr) * | 2002-04-29 | 2003-11-05 | Firma Ing. Klaus Ebinger | Procédé et dispositif de détection d'une horlogerie |
GB2457954A (en) * | 2008-02-29 | 2009-09-02 | Radiodetection Ltd | Electromagnetic detector for detecting a current carrying conductor |
CN113418443A (zh) * | 2021-06-23 | 2021-09-21 | 深圳市太科检测有限公司 | 管道埋地深度标定方法、管道埋地深度标定仪及存储介质 |
-
1976
- 1976-04-26 FR FR7612280A patent/FR2349841A1/fr active Granted
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0045486A2 (fr) * | 1980-07-31 | 1982-02-10 | Metrotech Corporation | Dispositif de détermination de la distance à un objet conductif caché |
EP0045486A3 (en) * | 1980-07-31 | 1982-05-05 | Metrotech Corporation | Apparatus for determining the distance to a concealed conductive object |
EP0682270A2 (fr) * | 1994-05-11 | 1995-11-15 | British Gas plc | Procédé et dispositif pour localiser d'un élément enterré |
EP0682270A3 (fr) * | 1994-05-11 | 1997-02-19 | British Gas Plc | Procédé et dispositif pour localiser d'un élément enterré. |
EP1359440A2 (fr) * | 2002-04-29 | 2003-11-05 | Firma Ing. Klaus Ebinger | Procédé et dispositif de détection d'une horlogerie |
EP1359440A3 (fr) * | 2002-04-29 | 2004-08-18 | Firma Ing. Klaus Ebinger | Procédé et dispositif de détection d'une horlogerie |
GB2457954A (en) * | 2008-02-29 | 2009-09-02 | Radiodetection Ltd | Electromagnetic detector for detecting a current carrying conductor |
US8115489B2 (en) | 2008-02-29 | 2012-02-14 | Radiodetection Limited | Detector for detecting a current carrying conductor and a method of validating operation of the detector |
GB2457954B (en) * | 2008-02-29 | 2012-04-04 | Radiodetection Ltd | A detector for detecting a current carrying conductor and a method of validating operations of the detector |
CN113418443A (zh) * | 2021-06-23 | 2021-09-21 | 深圳市太科检测有限公司 | 管道埋地深度标定方法、管道埋地深度标定仪及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
FR2349841B1 (fr) | 1980-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3055209A (en) | Method for locating leaks in underground gas conduits | |
CA2187487A1 (fr) | Aimant tournant pour determiner la distance et la direction | |
EG12809A (en) | Detection method & apparatus for determining the struck point of a conduit in a dorehole | |
MY119208A (en) | Method of qualifying a borehole survey | |
FR2349841A1 (fr) | Procede de detection de canalisations enterrees et de mesure de la profondeur desdites canalisations et dispositif en faisant application | |
DK0532604T3 (da) | Sub-audio-magnetisk instrument | |
RU92016530A (ru) | Инфразвуковой магнитный прибор | |
JPS55109977A (en) | Detecting method for underground body | |
JPS5548602A (en) | Steel rope surface unevenness detection measuring method via magnetism-sensitive element | |
JPS5646480A (en) | Magnetic sign system | |
JPS523461A (en) | Measuring, detecting and alarming device of land subsidence under a bu ilding | |
JPS5527989A (en) | Measuring method for depth of underground metallic route | |
JPS6193973A (ja) | 地中埋設管の位置検出方法 | |
JPS57200802A (en) | Method for detecting buried position of underground buried conductor | |
JPS6454246A (en) | Correction of measuring position for pig for inspecting pipe body | |
JPS5380254A (en) | Running locus measuring apparatus | |
JPS5676075A (en) | Detecting method of material buried underground and device thereof | |
JPS5431785A (en) | Eddy current type current meter | |
JPS56126787A (en) | Measurement of depth of underground body | |
JPS55155223A (en) | Measuring method of main stress of magnetic material | |
JPS5255661A (en) | Flow meter using ultrasonic waves | |
JPS52105884A (en) | Tester using eddy current | |
FOSTER | Magnetic position detection method and apparatus(Magnetic method for detection of aircraft position relative to runway)[Patent] | |
JPS55131741A (en) | Method of detecting leakage of gas | |
JPS52153469A (en) | Distance measuring apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |