JPS502990A - - Google Patents

Info

Publication number
JPS502990A
JPS502990A JP3894874A JP3894874A JPS502990A JP S502990 A JPS502990 A JP S502990A JP 3894874 A JP3894874 A JP 3894874A JP 3894874 A JP3894874 A JP 3894874A JP S502990 A JPS502990 A JP S502990A
Authority
JP
Japan
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
JP3894874A
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
Priority claimed from US349422A external-priority patent/US3903729A/en
Application filed filed Critical
Publication of JPS502990A publication Critical patent/JPS502990A/ja
Pending legal-status Critical Current

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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/02—Preventing, monitoring, or locating loss
    • F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP3894874A 1973-04-09 1974-04-08 Pending JPS502990A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US349422A US3903729A (en) 1970-12-30 1973-04-09 Method and apparatus for detecting a break or other occurrence in a pipeline containing gas under pressure

Publications (1)

Publication Number Publication Date
JPS502990A true JPS502990A (ja) 1975-01-13

Family

ID=23372334

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3894874A Pending JPS502990A (ja) 1973-04-09 1974-04-08

Country Status (4)

Country Link
JP (1) JPS502990A (ja)
CA (1) CA1010554A (ja)
DE (1) DE2414453C3 (ja)
GB (1) GB1438237A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06129942A (ja) * 1992-10-16 1994-05-13 Nkk Corp パイプラインの監視方法及びその装置
JPH06129940A (ja) * 1992-10-16 1994-05-13 Nkk Corp パイプラインの監視方法及びその監視装置
JPH06129941A (ja) * 1992-10-16 1994-05-13 Nkk Corp パイプラインの監視方法及びその装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06129942A (ja) * 1992-10-16 1994-05-13 Nkk Corp パイプラインの監視方法及びその装置
JPH06129940A (ja) * 1992-10-16 1994-05-13 Nkk Corp パイプラインの監視方法及びその監視装置
JPH06129941A (ja) * 1992-10-16 1994-05-13 Nkk Corp パイプラインの監視方法及びその装置

Also Published As

Publication number Publication date
DE2414453B2 (de) 1979-04-26
DE2414453C3 (de) 1979-12-20
GB1438237A (en) 1976-06-03
DE2414453A1 (de) 1974-10-24
CA1010554A (en) 1977-05-17

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Legal Events

Date Code Title Description
A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 19820511