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
Application number
DE8686301003T
Other languages
English (en)
Inventor
Adrien P Pascouet
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3677611D1 publication Critical patent/DE3677611D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • G01V1/387Reducing 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)
DE8686301003T 1985-02-20 1986-02-13 Externe unterdrueckung des sekundaeren gasblasenimpulses. Expired - Lifetime DE3677611D1 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
IT8622096A0 (it) Procedimento e dispositivo per la depurazione di gas di rigetto.
FI873157A (fi) Spaerrkonstruktioner foer gas.
FI873087A0 (fi) Desensiterande dentalkomposition.
DE3667333D1 (de) Messanordnung des akustischen reflektionskoeffizienten von unterwasserreflektoren.
FI841852A (fi) Roerinstallation och -metod foer avkyld gas.
DK164674C (da) Blodgas-kontrolvaeske
DE3678475D1 (de) Interne unterdrueckung des sekundaeren gasblasenimpulses.
ATE54694T1 (de) Stuetzmauer.
DE3677611D1 (de) Externe unterdrueckung des sekundaeren gasblasenimpulses.
DE3681263D1 (de) Gaskochgeraet.
DE3672254D1 (de) Hemmung des wegs der 5-lipoxydase.
FI862281A (fi) Foerfarande foer haerdning av glas med hjaelp av en gas.
FI852876L (fi) Anordning foer undervattensarbete.
DK265183A (da) Gasfoelerarrangement
ATA288885A (de) Schallschutzwand
FI864186A (fi) En bicyklisk substituent innehaollande fenylacetonitrilderivat.
KR850001910U (ko) 가스콕크
LT2599B (lt) Kovos su fitopatogeniniais mikroorganizmais budas
IT8622798A0 (it) Procidimento di preparazione di solfonammidi con sostituente immidico.
KR890001041U (ko) 가스 콕장치
IT1209561B (it) Rivelazione complementare della parola.
FI852207A0 (fi) Akustisk ljudsvepare.
AT388219B (de) Sicherheitsgasabsperrhahn
ES287401Y (es) Grifo de gas
FI842386A (fi) Anordning foer separering av gas fraon en fibersuspension.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee