Amoco Corporation

The Standard Oil Company

Sampat M Rampuria

Ralph E Warmack

Henry J McKinley, Jr

Michael S McNatt

In a seismic exploration system, an adaptive seismometer group recorder having enhanced operating capabilities for acquiring, processing, and storing seismic signals is provided. The adaptive seismometer group recorder includes a solid state memory, a microprocessor and input means for electronically downloading operating programs into the solid state memory whereby menus of recorder operating parameter are provided by the operating programs to the microprocessor to electronically reconfigure the SGR for various geological settings. The microprocessor is responsive to coded signals for selecting sets of recorder operating parameters from the menu of recorder operating parameters provided by the operating programs. The electronically downloaded menus of recorder operating parameters digitally reconfigure the operating characteristics of the seismometer group recorder without necessitating the implementation of hard wired circuitry changes.

Adaptive seismometer group recorder having enhanced operating

A transcriber system for receiving previously recorded data in a first medium and outputting the data in a second medium, and which includes at least one input device for receiving the data in the first medium, an output device for outputting the data in the second medium, a control and processing device which controls the input and output devices for a selected mode of transcription and in one embodiment, for selected processing of the data in the field. In one embodiment, the transcriber system receives seismic data from tape cartridges and/or solid state memory devices and outputs the seismic data onto a magnetic tape for later processing and analysis or transmission to a remote facility via a satellite link. The transcription system can include a printer/plotter for analysis of different seismic data recording and processing arrangements in the field.

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Tulsa, OK, United States of America

Sampat M Rampuria