Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1981-12-04
1985-05-07
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
367 4, 181110, G01V 138
Patent
active
045162271
ABSTRACT:
The invention provides a system having at least one subocean bottom seismic device, such as a seismic source (10) or a seismic detector (600), and a planting unit (300). When the planting unit (300) is lowered it selectively implants the seismic device at predetermined locations in the ocean bottom, it releases from the implanted seismic device, and, when raised, uncoils a signal cable (30) from the implanted seismic device. The signal cable (30) which is capable of retrieving the implanted seismic device (10, 600) is connected to an anchored buoy (40) which contains a first communications unit (70). A second seismic device (100) is carried in a predetermined pattern near the implanted seismic device and is connected to a second communication unit (130).
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Steinmentz et al, "Sail Coupling of a Strong Motion Ocean Bottom Seismometer", 5/3/79, pp. 2235-2250, Offshore Tech. Conf., Houston, Texas.
Tinkle Anthony R.
Wener Kenneth R.
Hummel Jack L.
Marathon Oil Company
Moskowitz Nelson
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