Method and system for transmission of seismic data

摘要

The transmission method utilizes multiple seismic acquisition units within an array as intermediate short range radio receivers/transmitters to pass collected seismic data in relay fashion back to a control station. Any one seismic unit in the array is capable of transmitting radio signals to several other seismic units positioned within radio range of the transmitting unit, thus allowing the system to select an optimal transmission path. Utilizing an array of seismic units permits transmission routes back to a control station to be varied as needed. In transmissions from the most remote seismic unit to the control station, each unit within a string receives seismic data from other units and transmits the received seismic data along with the receiving unit's locally stored seismic data. Preferably, as a transmission is passed along a chain, it is bounced between seismic units so as to be relayed by each unit in the array.

主权项

1. A system of acquiring seismic data, comprising:
a first seismic data acquisition unit having at least one processor, the at least one processor in communication with a first geophone, a first one or more wireless transmitters, and one or more wireless receivers; the first geophone configured to detect first seismic data from an acoustic signal that propagates into earth and is reflected by subsurface lithologic formations or fluid layers of the earth; the one or more wireless receivers of first the seismic data acquisition unit configured to receive:
via a first short range wireless transmission, second seismic data representative of the subsurface lithologic formations or fluid layers;via wireless transmission, a control signal; and the first one or more wireless transmitters configured to transmit, via a second short range wireless transmission, in a time period, using a first transmission parameter:
the first seismic data detected by the first geophone, the first seismic data representative of the subsurface lithologic formations or fluid layers; andthe second seismic data representative of the subsurface lithologic formations or fluid layers; a second seismic data acquisition unit in communication with a second geophone configured to detect third seismic data from the acoustic signal that propagates into the earth and is reflected by subsurface lithologic formations or fluid layers of the earth; the second seismic data acquisition unit configured to transmit, via a third short range wireless transmission, in the time period, using a second transmission parameter:
the third seismic data detected by the second geophone, wherein the first transmission parameter and the second transmission parameter substantially prevent communication interference between the second short range wireless transmission and the third short range wireless transmission during the time period.