NO860446L - Akustisk generator. - Google Patents
Akustisk generator.Info
- Publication number
- NO860446L NO860446L NO86860446A NO860446A NO860446L NO 860446 L NO860446 L NO 860446L NO 86860446 A NO86860446 A NO 86860446A NO 860446 A NO860446 A NO 860446A NO 860446 L NO860446 L NO 860446L
- Authority
- NO
- Norway
- Prior art keywords
- acoustic generator
- acoustic
- generator
- Prior art date
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)
- Catching Or Destruction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/703,302 US4735281A (en) | 1985-02-20 | 1985-02-20 | Internal bubble-suppression method and apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
NO860446L true NO860446L (no) | 1986-08-21 |
NO174443B NO174443B (no) | 1994-01-24 |
NO174443C NO174443C (no) | 1994-05-04 |
Family
ID=24824844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO860446A NO174443C (no) | 1985-02-20 | 1986-02-07 | Fremgangsmåte samt repeterende marinakustisk kilde for generering av pulsaktige akustiske signaler i en vannmasse |
Country Status (7)
Country | Link |
---|---|
US (1) | US4735281A (no) |
EP (1) | EP0196754B1 (no) |
JP (1) | JP2730714B2 (no) |
AU (1) | AU580386B2 (no) |
CA (1) | CA1258117A (no) |
DE (1) | DE3678475D1 (no) |
NO (1) | NO174443C (no) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4921068A (en) * | 1985-02-20 | 1990-05-01 | Pascouet Adrien P | Internal bubble-suppression method and apparatus |
NO174686C (no) * | 1985-02-20 | 1994-06-15 | Adrien P Pascouet | Fremgangsmåte for å redusere en trykkpuls fra en implosjon i en vannmasse, samt en marin akustisk kilde |
US4949315A (en) * | 1985-02-20 | 1990-08-14 | Pascouet Adrien P | External bubble-suppression method and apparatus |
US4976333A (en) * | 1988-03-01 | 1990-12-11 | Pascouet Adrien P | Method for reshaping acoustical pressure pulses |
US5018115A (en) * | 1989-01-23 | 1991-05-21 | Pascouet Adrien P | Marine acoustic source |
DE68918432T2 (de) * | 1989-04-14 | 1995-01-19 | Adrien P Pascouet | Verfahren zur Unterdrückung von Schwingungen von Gasblasen bei seismischen Unterwasseruntersuchungen unter Verwendung einer internen Gaseinspritzung. |
US8477561B2 (en) * | 2005-04-26 | 2013-07-02 | Westerngeco L.L.C. | Seismic streamer system and method |
US8559267B2 (en) * | 2006-10-26 | 2013-10-15 | Schlumberger Technology Corporation | Methods and apparatus of borehole seismic surveys |
US8113278B2 (en) | 2008-02-11 | 2012-02-14 | Hydroacoustics Inc. | System and method for enhanced oil recovery using an in-situ seismic energy generator |
US9360578B2 (en) * | 2010-08-24 | 2016-06-07 | Schlumberger Technology Corporation | Systems and methods for optimizing low frequency output from airgun source arrays |
US9070354B2 (en) * | 2012-08-29 | 2015-06-30 | Ho Ping Tseng | Acoustic wave generator employing fluid injector |
CN102979909A (zh) * | 2012-11-29 | 2013-03-20 | 中国船舶重工集团公司第七一○研究所 | 背压式浮动密封装置 |
JP6082254B2 (ja) | 2013-01-18 | 2017-02-15 | 株式会社Ihi | 水域地中探査システム及び水域地中探査方法 |
CN116559936B (zh) * | 2023-05-10 | 2024-02-02 | 中国矿业大学 | 一种内爆式海洋负压空气枪震源及其激发方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3292140A (en) * | 1963-06-21 | 1966-12-13 | Mobil Oil Corp | System for generating seismic signals |
US3371740A (en) * | 1966-08-22 | 1968-03-05 | Mobil Oil Corp | System and method for reducing secondary pressure pulses in marine seismic surveying |
US3454127A (en) * | 1967-03-22 | 1969-07-08 | Bolt Beranek & Newman | Method of and apparatus for reducing the bubble pulse from underwater explosions and pressure impulses |
US3601216A (en) * | 1967-10-23 | 1971-08-24 | Mandrel Industries | System for suppressing multiple pulse in marine seismic sources by injection of additional air |
BE758943A (fr) * | 1969-11-14 | 1971-04-16 | Bolt Associates Inc | Procede et dispositif pour controler l'action d'une source sismique immergee |
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 |
US3746123A (en) * | 1972-05-23 | 1973-07-17 | Mobil Oil | Method of and system for reducing secondary pressure pulses in operation of pneumatic sound source in water |
GB1330810A (en) * | 1972-05-26 | 1973-09-19 | Mobil Oil Corp | Method of and system for reducing secondary pressure pulses in operation of pneumatic sound source in water |
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 |
-
1985
- 1985-02-20 US US06/703,302 patent/US4735281A/en not_active Expired - Lifetime
-
1986
- 1986-02-07 NO NO860446A patent/NO174443C/no unknown
- 1986-02-10 CA CA000501427A patent/CA1258117A/en not_active Expired
- 1986-02-13 EP EP86301002A patent/EP0196754B1/en not_active Expired - Lifetime
- 1986-02-13 DE DE8686301002T patent/DE3678475D1/de not_active Expired - Lifetime
- 1986-02-19 JP JP61036498A patent/JP2730714B2/ja not_active Expired - Lifetime
- 1986-02-20 AU AU53795/86A patent/AU580386B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JP2730714B2 (ja) | 1998-03-25 |
AU5379586A (en) | 1986-10-16 |
US4735281A (en) | 1988-04-05 |
NO174443B (no) | 1994-01-24 |
JPS61194383A (ja) | 1986-08-28 |
NO174443C (no) | 1994-05-04 |
AU580386B2 (en) | 1989-01-12 |
EP0196754A3 (en) | 1988-07-27 |
EP0196754A2 (en) | 1986-10-08 |
DE3678475D1 (de) | 1991-05-08 |
CA1258117A (en) | 1989-08-01 |
EP0196754B1 (en) | 1991-04-03 |
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