GB2136131B - Electromagnetic surveying of pipes and cables - Google Patents
Electromagnetic surveying of pipes and cablesInfo
- Publication number
- GB2136131B GB2136131B GB08403185A GB8403185A GB2136131B GB 2136131 B GB2136131 B GB 2136131B GB 08403185 A GB08403185 A GB 08403185A GB 8403185 A GB8403185 A GB 8403185A GB 2136131 B GB2136131 B GB 2136131B
- Authority
- GB
- United Kingdom
- Prior art keywords
- cables
- pipes
- electromagnetic surveying
- surveying
- electromagnetic
- 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
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 |
---|---|---|---|
GB08403185A GB2136131B (en) | 1983-02-16 | 1984-02-07 | Electromagnetic surveying of pipes and cables |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838304330A GB8304330D0 (en) | 1983-02-16 | 1983-02-16 | Electromagnetic surveying of pipes and cables |
GB08403185A GB2136131B (en) | 1983-02-16 | 1984-02-07 | Electromagnetic surveying of pipes and cables |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8403185D0 GB8403185D0 (en) | 1984-03-14 |
GB2136131A GB2136131A (en) | 1984-09-12 |
GB2136131B true GB2136131B (en) | 1987-06-03 |
Family
ID=26285257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08403185A Expired GB2136131B (en) | 1983-02-16 | 1984-02-07 | Electromagnetic surveying of pipes and cables |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2136131B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8420863D0 (en) * | 1984-08-16 | 1984-09-19 | Wardell Transport Ltd | Assessing condition of hidden elements |
SE455820B (en) * | 1985-12-09 | 1988-08-08 | Geotronics Metaltech Ab | DEVICE FOR DETECTING THE SLAUGHTER LEVEL IN A METAL BATH |
SE463893B (en) * | 1987-09-28 | 1991-02-04 | Geotronics Ab | DEVICE FOR DETECTING THE LEVEL OF A BATTERY SURFACE OF A SMALL METAL BATH |
GB2215063A (en) * | 1988-02-18 | 1989-09-13 | Tokyo Gas Co Ltd | Detecting buried conductors |
US5093622A (en) * | 1989-03-17 | 1992-03-03 | Minnesota Mining And Manufacturing Company | Method and apparatus for determining direction to and position of an underground conductor |
DE4307453A1 (en) * | 1993-03-10 | 1994-09-15 | Ruhrgas Ag | Method and device for locating a line |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB528568A (en) * | 1938-02-26 | 1940-11-01 | British Western Union Ltd | Improvements in or relating to electromagnetic apparatus for determining location of concealed bodies |
GB2119094A (en) * | 1982-03-17 | 1983-11-09 | British Gas Corp | Apparatus for measuring defects in insulation coatings |
-
1984
- 1984-02-07 GB GB08403185A patent/GB2136131B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2136131A (en) | 1984-09-12 |
GB8403185D0 (en) | 1984-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3473513D1 (en) | Electromagnetic surveying of pipes and cables | |
GB2140114B (en) | Feed-through for cables and pipes | |
GB8402208D0 (en) | Positioning of equipment | |
GB2140195B (en) | Cryogenic cable and method of making same | |
PL243597A1 (en) | Cable and method of manufacturing the same | |
DE3470190D1 (en) | Wall structure and method of construction | |
GB2183776B (en) | Method of laying an underwater pipeline | |
GB2140917B (en) | Stereophotogrammetric survey of large objects | |
GB2140985B (en) | Joint between underground and overhead low-tension cables | |
DE3466034D1 (en) | Marine structure having flow conduits and method of installing such conduits | |
GB8429385D0 (en) | Inspection of buried pipelines | |
GB2136131B (en) | Electromagnetic surveying of pipes and cables | |
EP0087321A3 (en) | Offshore structure and method of constructing same | |
GB2160289B (en) | Spray-sealing of pipes | |
EP0136964A3 (en) | Manufacture of metallic cable | |
GB8400638D0 (en) | Electromagnetic monitoring of marine pipes | |
GB8612585D0 (en) | Protection of pipeline | |
GB2150953B (en) | Manholes and catch-pits | |
JPS57116989A (en) | Laying method of pipeline | |
GB8307498D0 (en) | Proximity device of cable | |
JPS57126211A (en) | Method of laying cable | |
JPS57202009A (en) | Of cable | |
GB8304327D0 (en) | Location of buried objects | |
JPS57116510A (en) | Method of laying cable | |
GB8326977D0 (en) | Insulation of pipes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 20040206 |