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
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
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- 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)
- Geology (AREA)
- Acoustics & Sound (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Pipeline Systems (AREA)
- Measuring Fluid Pressure (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Examining Or Testing Airtightness (AREA)
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 (xx) | 1975-01-13 |
Family
ID=23372334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3894874A Pending JPS502990A (xx) | 1973-04-09 | 1974-04-08 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS502990A (xx) |
CA (1) | CA1010554A (xx) |
DE (1) | DE2414453C3 (xx) |
GB (1) | GB1438237A (xx) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
-
1974
- 1974-03-14 GB GB1131574A patent/GB1438237A/en not_active Expired
- 1974-03-26 DE DE19742414453 patent/DE2414453C3/de not_active Expired
- 1974-04-08 CA CA197,060A patent/CA1010554A/en not_active Expired
- 1974-04-08 JP JP3894874A patent/JPS502990A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
---|---|
GB1438237A (en) | 1976-06-03 |
DE2414453B2 (de) | 1979-04-26 |
DE2414453A1 (de) | 1974-10-24 |
DE2414453C3 (de) | 1979-12-20 |
CA1010554A (en) | 1977-05-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19820511 |