FR2359350B2 - - Google Patents

Info

Publication number
FR2359350B2
FR2359350B2 FR7622382A FR7622382A FR2359350B2 FR 2359350 B2 FR2359350 B2 FR 2359350B2 FR 7622382 A FR7622382 A FR 7622382A FR 7622382 A FR7622382 A FR 7622382A FR 2359350 B2 FR2359350 B2 FR 2359350B2
Authority
FR
France
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
Application number
FR7622382A
Other versions
FR2359350A2 (fr
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.)
CGG SA
Original Assignee
Compagnie Generale de Geophysique SA
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 Compagnie Generale de Geophysique SA filed Critical Compagnie Generale de Geophysique SA
Priority to FR7622382A priority Critical patent/FR2359350A2/fr
Publication of FR2359350A2 publication Critical patent/FR2359350A2/fr
Application granted granted Critical
Publication of FR2359350B2 publication Critical patent/FR2359350B2/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1223—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/02—Generating seismic energy
    • G01V1/133—Generating seismic energy using fluidic driving means, e.g. highly pressurised fluids; using implosion
    • G01V1/137—Generating seismic energy using fluidic driving means, e.g. highly pressurised fluids; using implosion which fluid escapes from the generator in a pulsating manner, e.g. for generating bursts, airguns

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Temperature-Responsive Valves (AREA)
FR7622382A 1976-07-22 1976-07-22 Dispositif d'obturation a action rapide Granted FR2359350A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7622382A FR2359350A2 (fr) 1976-07-22 1976-07-22 Dispositif d'obturation a action rapide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7622382A FR2359350A2 (fr) 1976-07-22 1976-07-22 Dispositif d'obturation a action rapide

Publications (2)

Publication Number Publication Date
FR2359350A2 FR2359350A2 (fr) 1978-02-17
FR2359350B2 true FR2359350B2 (fr) 1982-12-31

Family

ID=9176013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7622382A Granted FR2359350A2 (fr) 1976-07-22 1976-07-22 Dispositif d'obturation a action rapide

Country Status (1)

Country Link
FR (1) FR2359350A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62503190A (ja) * 1985-06-29 1987-12-17 マツクス−プランク−ゲゼルシヤフト　フユアフエルデルンク　デア　ヴイツセンシヤフテンエ．フアウ 流体量における流体力学的衝撃音発生の方法とその装置
FR2633677B1 (fr) * 1988-07-01 1993-12-03 Sgn Ste Gle Techniques Nles Generateur de choc aerodynamique
US8596409B2 (en) * 2011-10-12 2013-12-03 Pgs Geophysical As Systems and methods for producing directed seismic waves in water

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR778382A (fr) * 1934-07-10 1935-03-15 Commandes automatiques pour manoeuvrer à distance un robinet
US3249177A (en) * 1961-11-13 1966-05-03 Bolt Associates Inc Acoustic wave impulse generator repeater
US3379273A (en) * 1963-11-12 1968-04-23 Bolt Associates Inc Powerful sound impulse generation methods and apparatus
US3397755A (en) * 1966-03-14 1968-08-20 Mobil Oil Corp Pneumatic seismic source
JPS50144926A (fr) * 1974-04-27 1975-11-21

Also Published As

Publication number Publication date
FR2359350A2 (fr) 1978-02-17

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