JPS5463792A - Oil leakage detecting mehod of oil transport pipelines - Google Patents

Oil leakage detecting mehod of oil transport pipelines

Info

Publication number
JPS5463792A
JPS5463792A JP12419277A JP12419277A JPS5463792A JP S5463792 A JPS5463792 A JP S5463792A JP 12419277 A JP12419277 A JP 12419277A JP 12419277 A JP12419277 A JP 12419277A JP S5463792 A JPS5463792 A JP S5463792A
Authority
JP
Japan
Prior art keywords
oil
pipe
inner pipe
gas
spacing
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.)
Pending
Application number
JP12419277A
Other languages
Japanese (ja)
Inventor
Hiroo Nagano
Kanahisa Toyama
Jiro Ogura
Yukio Shimazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable Ltd
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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP12419277A priority Critical patent/JPS5463792A/en
Publication of JPS5463792A publication Critical patent/JPS5463792A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To achieve the stagilization of oil leakage detection and the improvement in sensitivity by flowing a gas between the outer and inner pipe of an oil transport pipe and detecting the oil having leaked into the gas with the detectorsinstalled at a fixed interval to the pipeline.
CONSTITUTION: An outer pipe 2 which hermetically seals an inner pipe 1 is provided on the outside of the inner pipe 1 for transporting specified fluid. At every constant interval of this pipeline, a partition wall 3 which cuts off the spacing 4 between the inner pipe 1 and outer pipe 2 is provided. Between the adjoining spacing parts 4 are communicated by a bypass pipe 5. A leakage detector 6 is provided to the bypass pipe 5. Air or inert gas is flowed at all timesor within a fixed time in the spacing part 4 and if oil leaks as the inner pipe bursts, the leaking oil is carried in the gas and is detected with the liakage oil detector 6. In this way, the detection of oil leakage is sure and is accomplished with good sensivivity.
COPYRIGHT: (C)1979,JPO&Japio
JP12419277A 1977-10-17 1977-10-17 Oil leakage detecting mehod of oil transport pipelines Pending JPS5463792A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12419277A JPS5463792A (en) 1977-10-17 1977-10-17 Oil leakage detecting mehod of oil transport pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12419277A JPS5463792A (en) 1977-10-17 1977-10-17 Oil leakage detecting mehod of oil transport pipelines

Publications (1)

Publication Number Publication Date
JPS5463792A true JPS5463792A (en) 1979-05-22

Family

ID=14879254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12419277A Pending JPS5463792A (en) 1977-10-17 1977-10-17 Oil leakage detecting mehod of oil transport pipelines

Country Status (1)

Country Link
JP (1) JPS5463792A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107131429A (en) * 2017-07-11 2017-09-05 中冶华天南京工程技术有限公司 Underground gas pipeline leak detection system and underground gas pipeline leak hunting method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107131429A (en) * 2017-07-11 2017-09-05 中冶华天南京工程技术有限公司 Underground gas pipeline leak detection system and underground gas pipeline leak hunting method
CN107131429B (en) * 2017-07-11 2019-04-09 中冶华天包头设计研究总院有限公司 Underground gas pipeline leak detection system and underground gas pipeline leak hunting method

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