NO862422L - DETECTION SYSTEM. - Google Patents
DETECTION SYSTEM.Info
- Publication number
- NO862422L NO862422L NO862422A NO862422A NO862422L NO 862422 L NO862422 L NO 862422L NO 862422 A NO862422 A NO 862422A NO 862422 A NO862422 A NO 862422A NO 862422 L NO862422 L NO 862422L
- Authority
- NO
- Norway
- Prior art keywords
- detection system
- detection
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
- G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Compounds Of Unknown Constitution (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO862422A NO159507C (en) | 1986-06-18 | 1986-06-18 | DETECTION SYSTEM. |
PCT/NO1987/000049 WO1987007949A1 (en) | 1986-06-18 | 1987-06-16 | Detection system for subsea installations, particularly pipelines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO862422A NO159507C (en) | 1986-06-18 | 1986-06-18 | DETECTION SYSTEM. |
Publications (4)
Publication Number | Publication Date |
---|---|
NO862422D0 NO862422D0 (en) | 1986-06-18 |
NO862422L true NO862422L (en) | 1987-12-21 |
NO159507B NO159507B (en) | 1988-09-26 |
NO159507C NO159507C (en) | 1989-01-04 |
Family
ID=19888998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO862422A NO159507C (en) | 1986-06-18 | 1986-06-18 | DETECTION SYSTEM. |
Country Status (2)
Country | Link |
---|---|
NO (1) | NO159507C (en) |
WO (1) | WO1987007949A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19528287C5 (en) * | 1995-08-02 | 2009-09-24 | Ingenieurgesellschaft F.A.S.T. für angewandte Sensortechnik mit beschränkter Haftung | Method for detecting a leak in a drinking water supply network and arrangement for carrying out the method |
US6785618B2 (en) * | 2001-03-02 | 2004-08-31 | Gas Research Institute | In-ground pipeline monitoring |
GB2382140B (en) * | 2001-11-20 | 2005-11-30 | Christopher Teal | Leak detection |
DE102016211651B4 (en) * | 2016-06-28 | 2022-03-24 | Bender Gmbh & Co. Kg | Method for determining an insulation fault location on an electrical conductor of a submarine umbilical |
CN108055218B (en) * | 2017-10-18 | 2020-11-06 | 上海微波技术研究所(中国电子科技集团公司第五十研究所) | Leakage cable intrusion detection method based on frequency selective coding multi-carrier modulation |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3264864A (en) * | 1962-03-01 | 1966-08-09 | American Gas Ass | Apparatus for pinpointing leaks in buried pipes |
US3930556A (en) * | 1971-04-26 | 1976-01-06 | Osaka Gas Kabushiki Kaisha | Method of detecting leak of fluid from a long pipeline |
US4043180A (en) * | 1975-12-10 | 1977-08-23 | Texaco Inc. | Gathering line leak detection system tester |
DE3045660C2 (en) * | 1980-12-04 | 1982-10-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Method and device for locating leaks in pipelines |
GB2176604B (en) * | 1985-06-06 | 1989-07-26 | Stc Plc | Detecting gas leaks |
-
1986
- 1986-06-18 NO NO862422A patent/NO159507C/en unknown
-
1987
- 1987-06-16 WO PCT/NO1987/000049 patent/WO1987007949A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO159507B (en) | 1988-09-26 |
NO159507C (en) | 1989-01-04 |
WO1987007949A1 (en) | 1987-12-30 |
NO862422D0 (en) | 1986-06-18 |
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