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The AAPG/Datapages Combined Publications Database

Indonesian Petroleum Association


12th Annual Convention Proceedings (Volume 1), 1983
Pages 345-357

OPSEIS™ Seismic Recording System

H. A. Tims, D. R. Cahill


OPSEIS™ is a digital, radio-telemetry, recording system designed for seismic data acquisition. The microprocessor controlled system transmits digital seismic data solely by means of a radio link allowing data acquisition in difficult terrain areas that would other wise be inaccessible with a cable system. The seismic response is stored in electronic memory within the field deployed units to ensure successful data transmission over the radio link and also to allow shot-stacking (summing) at the geophone site. A recording capability of up to 200 channels for a standard system, expandable to 1016 channels with full dynamic range and resolution qualities, has made the system extremely useful for recording three-dimensonal surveys. Data quality from this system compared with conventional cable data shows OPSEIS™ to be as good or superior in all test cases.

The OPSEIS™ system has successfully been used to record data in heavy to medium foliage locations, swamp and jungle environments, rolling hills and mountainous terrain.

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