Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Reexamination Certificate
2007-03-08
2010-02-09
Lobo, Ian J (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
C367S063000
Reexamination Certificate
active
07660203
ABSTRACT:
Systems and methods for asynchronously acquiring seismic data are described, one system comprising one or more seismic sources, a plurality of sensor modules each comprising a seismic sensor, an A/D converter for generating digitized seismic data, a digital signal processor (DSP), and a sensor module clock; a seismic data recording station; and a seismic data transmission sub-system comprising a high precision clock, the sub-system allowing transmission of at least some of the digitized seismic data to the recording station, wherein each sensor module is configured to periodically receive from the sub-system an amount of the drift of its clock relative to the high precision clock.
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Barakat Simon
Golparian Daniel H.
Iranpour Kambiz
Lobo Ian J
McEnaney Kevin
Pramudji Ari
Wells Richard V.
WesternGeco L.L.C.
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