KALIBRERING AV SEISMISK KABEL I EN HELMHOLZRESONATOR

A method for calibration of hydrophone groups is based on the use of a Helmholtz resonator, which is arranged such that a seismic streamer (Il) or sections thereof can be placed in the resonator's cavity (1) and connected via a hydrophone group selector (9) to a signal analyzer (6). A sound sou...

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Bibliographische Detailangaben

Hauptverfasser:	BJELLAND, CATO, LANGELAND, JAN AAGE
Format:	Patent
Sprache:	nor
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING PHYSICS TESTING
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