DE3677611D1 - Externe unterdrueckung des sekundaeren gasblasenimpulses. - Google Patents
Externe unterdrueckung des sekundaeren gasblasenimpulses.Info
- Publication number
- DE3677611D1 DE3677611D1 DE8686301003T DE3677611T DE3677611D1 DE 3677611 D1 DE3677611 D1 DE 3677611D1 DE 8686301003 T DE8686301003 T DE 8686301003T DE 3677611 T DE3677611 T DE 3677611T DE 3677611 D1 DE3677611 D1 DE 3677611D1
- Authority
- DE
- Germany
- Prior art keywords
- gas bubble
- bubble impulse
- external suppression
- suppression
- external
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/387—Reducing secondary bubble pulse, i.e. reducing the detected signals resulting from the generation and release of gas bubbles after the primary explosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Oceanography (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70334285A | 1985-02-20 | 1985-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3677611D1 true DE3677611D1 (de) | 1991-04-04 |
Family
ID=24825000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686301003T Expired - Lifetime DE3677611D1 (de) | 1985-02-20 | 1986-02-13 | Externe unterdrueckung des sekundaeren gasblasenimpulses. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0193314B1 (de) |
JP (1) | JP2573928B2 (de) |
AU (1) | AU600661B2 (de) |
CA (1) | CA1275489C (de) |
DE (1) | DE3677611D1 (de) |
NO (1) | NO174686C (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2203545A (en) * | 1987-04-15 | 1988-10-19 | Mo Hussain Safar | A method of operating a seismic air gun array |
US5018115A (en) * | 1989-01-23 | 1991-05-21 | Pascouet Adrien P | Marine acoustic source |
EP0393261B1 (de) * | 1989-04-17 | 1994-01-26 | Adrien P. Pascouet | Verfahren und Vorrichtung zur Unterdrückung von Schwingungen von Gasblasen bei seismischen Unterwasseruntersuchungen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2771961A (en) * | 1955-07-27 | 1956-11-27 | California Research Corp | Method of initiating underwater seismic disturbances |
US3292140A (en) * | 1963-06-21 | 1966-12-13 | Mobil Oil Corp | System for generating seismic signals |
US3437170A (en) * | 1966-12-12 | 1969-04-08 | Texas Instruments Inc | Control of energy spectrum in marine seismic exploration |
US3744018A (en) * | 1971-12-22 | 1973-07-03 | Southwest Res Inst | Method of and apparatus for producing a repetitive seismic impulse |
US3923122A (en) * | 1972-01-26 | 1975-12-02 | Texaco Inc | Seismic pneumatic energy source with attenuation of bubble pulse amplitude and reduction of period of bubble oscillation |
US3805914A (en) * | 1972-03-06 | 1974-04-23 | Texaco Inc | Seismic pneumatic energy pulse generators for attenuating secondary pulses |
US3804194A (en) * | 1972-06-29 | 1974-04-16 | Texaco Inc | Method and seismic pneumatic energy pulse generators for increasing energy output |
DE2403551A1 (de) * | 1973-05-02 | 1974-11-21 | Hercules Inc | Kartuschenabschussvorrichtung |
JPS549561B2 (de) * | 1973-06-19 | 1979-04-25 | ||
US4735281A (en) * | 1985-02-20 | 1988-04-05 | Pascouet Adrien P | Internal bubble-suppression method and apparatus |
-
1986
- 1986-02-05 NO NO860401A patent/NO174686C/no unknown
- 1986-02-10 CA CA000501430A patent/CA1275489C/en not_active Expired - Lifetime
- 1986-02-13 EP EP86301003A patent/EP0193314B1/de not_active Expired - Lifetime
- 1986-02-13 DE DE8686301003T patent/DE3677611D1/de not_active Expired - Lifetime
- 1986-02-19 JP JP61036497A patent/JP2573928B2/ja not_active Expired - Lifetime
- 1986-02-20 AU AU53794/86A patent/AU600661B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0193314B1 (de) | 1991-02-27 |
NO860401L (no) | 1986-08-21 |
CA1275489C (en) | 1990-10-23 |
EP0193314A3 (en) | 1988-07-27 |
NO174686C (no) | 1994-06-15 |
EP0193314A2 (de) | 1986-09-03 |
NO174686B (no) | 1994-03-07 |
AU5379486A (en) | 1986-08-28 |
JPS61194382A (ja) | 1986-08-28 |
AU600661B2 (en) | 1990-08-23 |
JP2573928B2 (ja) | 1997-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |