Cableless seismic digital field recorder having on-site seismic data processing capabilities
US4885724A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1988 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Jun 23, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V1/223
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved cableless seismic digital recording system is disclosed which records seismic-trace data generated by any type of seismic source, including high energy impulsive seismic sources, such as dynamite, and low energy surface seismic sources, such as vibrators and hammers. A seismometer, or geophone, is connected to a remotely deployed radio-controlled portable recorder which contains circuitry for sampling, digitizing, processing, storing, and recording seismic-trace data. Coded radio signals instruct each recorder to commence an operation or sequence of operations from a predetermined set of programmed instructions stored in program read only memory included in each recorder. Such operations include seismic-trace data acquisition; optional weighting and vertical stacking (summing); normalization; recording; and seismic source initiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.