Autonomous seismic data acquisition unit

Details Autonomous seismic data acquisition unit Autonomous seismic data acquisition unit

2006-08-22

2010-02-09

Hughes, Scott A (Department: 3663)

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

C367S079000, C368S159000, C331S002000

Reexamination Certificate

active

07660201

ABSTRACT:
A method, apparatus and system for acquiring land seismic data includes acquiring seismic data with a first autonomous seismic data acquisition unit and a second autonomous seismic data acquisition unit wherein each acquisition unit comprises a plurality of digitally controlled temperature-compensated crystal oscillators. Oscillator-based timing signals are acquired that are associated with the plurality of digitally controlled temperature-compensated crystal oscillators and a time correction is determined to apply to the seismic data acquired with the first autonomous seismic data acquisition unit. The time correction is determined using the oscillator-based timing signals from the first and second autonomous seismic data acquisition units.

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