Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1989-11-13
1991-09-24
Kyle, Deborah L.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367144, 367173, 181110, 181120, H04R 2300
Patent
active
050519662
ABSTRACT:
A fastening device for fixing seismic circular devices is designed with a rigid, split, annular clamp (4) with an open void facing the seismic device (1) for insertion of at least one shock absorbing member (7) in the void. Such a clamp (4) is provided in the region of the device which is most subjected to strain, where a concentric securing ring (8) is also mounted, about which the clamp is fitted with a shock absorbing member (7) on each side of the ring. One more such clamp is provided on the seismic device (1) in order to distribute the load. This arrangement is especially suitable for use in connection with seismic airguns which are to be fixed at predetermined mutual distances in a frame structure (2).
REFERENCES:
patent: 3699507 (1972-10-01), Massa
patent: 4038630 (1977-07-01), Chelminski
patent: 4658387 (1987-04-01), Dolengowski et al.
patent: 4715023 (1987-12-01), Otto
patent: 4719987 (1988-01-01), George, Jr. et al.
patent: 4970046 (1990-11-01), Dolengowski
"A New High-Resolution or Deep Penetration Airgun Array", by H. Brandsaeter et al., Geophysics, vol. 44, 1979, pp. 865-879.
Gjestrum Einar
Knudsen Lars
Skifjeld Tormod
Eldred J. Woodrow
Geco A.S.
Kyle Deborah L.
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