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
Application number
NO862422A
Other languages
Norwegian (no)
Other versions
NO159507B (en
NO862422D0 (en
NO159507C (en
Inventor
Peter M Bakken
Original Assignee
Stiftelsen For Industr Og Tekn
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stiftelsen For Industr Og Tekn filed Critical Stiftelsen For Industr Og Tekn
Priority to NO862422A priority Critical patent/NO159507C/en
Publication of NO862422D0 publication Critical patent/NO862422D0/en
Priority to PCT/NO1987/000049 priority patent/WO1987007949A1/en
Publication of NO862422L publication Critical patent/NO862422L/en
Publication of NO159507B publication Critical patent/NO159507B/en
Publication of NO159507C publication Critical patent/NO159507C/en

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
NO862422A 1986-06-18 1986-06-18 DETECTION SYSTEM. NO159507C (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO1987007949A1 (en) 1987-12-30
NO159507B (en) 1988-09-26
NO862422D0 (en) 1986-06-18
NO159507C (en) 1989-01-04

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