FR2207576A5 - - Google Patents

Info

Publication number
FR2207576A5
FR2207576A5 FR7241088A FR7241088A FR2207576A5 FR 2207576 A5 FR2207576 A5 FR 2207576A5 FR 7241088 A FR7241088 A FR 7241088A FR 7241088 A FR7241088 A FR 7241088A FR 2207576 A5 FR2207576 A5 FR 2207576A5
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
FR7241088A
Other languages
French (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 FR7241088A priority Critical patent/FR2207576A5/fr
Application granted granted Critical
Publication of FR2207576A5 publication Critical patent/FR2207576A5/fr
Expired legal-status Critical Current

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
    • G01V1/02—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
    • 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
    • F16K31/003—Actuating devices; Operating means; Releasing devices operated without a stable intermediate position, e.g. with snap action
FR7241088A 1972-11-20 1972-11-20 Expired FR2207576A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7241088A FR2207576A5 (en) 1972-11-20 1972-11-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7241088A FR2207576A5 (en) 1972-11-20 1972-11-20

Publications (1)

Publication Number Publication Date
FR2207576A5 true FR2207576A5 (en) 1974-06-14

Family

ID=9107377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7241088A Expired FR2207576A5 (en) 1972-11-20 1972-11-20

Country Status (1)

Country Link
FR (1) FR2207576A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996020414A1 (en) * 1994-12-23 1996-07-04 British Gas Plc Seismic pulse generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996020414A1 (en) * 1994-12-23 1996-07-04 British Gas Plc Seismic pulse generator

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Legal Events

Date Code Title Description
ST Notification of lapse