Patent ID: 8873335
Filing Date: 2014-10-28
Classification: G01V

Abstract:
1. A seismic data transmission system, comprising: a plurality of seismic data acquisition units that acquire seismic data reflected by subsurface lithologic formations or fluid layers responsive to an acoustic signal that propagates into earth, each of the plurality of seismic data acquisition units comprising: the system further comprising: a seismic sensor associated with each of the plurality of seismic data acquisition units; a control station; a plurality of concentrators that are different types of devices than each of the plurality seismic data acquisition units, each of the plurality of concentrators comprising a transmitter, a receiver, mass memory, a local clock, and a processor, at least one of the plurality of concentrators connected to the control station by a data communications cable; each of the plurality of seismic data acquisition units in radio transmission and reception communication with at least two other of the plurality of seismic data acquisition units; each of the plurality of concentrators in a transmission range of at least one of the plurality of seismic data acquisition units; the plurality of seismic data acquisition units transmit the seismic data to the control station via: the first of the plurality of concentrators transmits at least the first portion of the seismic data to the control station via the data communications cable.