Near-surface geophysical data acquisition, processing and interpretation.

3D airborne micro gravity/E surveys for subsurface hydrocarbons.

Energy Resources Company which utilized innovative technology.

Fairfield is a geophysical company known for its development and use of advanced technology for acquisition and processing, and its licensing of seismic data.

Special processing for traditional marine data using "Partial Synergetic Imaging-", or PSI-criterion.

Geophysical contractor providing gravity and magnetic services and products to the international oil and mining industry. Offices in Leeds and Houston.

Interpretation of gravity & magnetics for hydrocarbon exploration.

Provider of land, marine and reservoir seismic instrumentation. Includes comprehensive data sheets.

Outsourcing geoscience for the upstream petroleum industry: geophysics, geology, petroleum engineering, geochemistry, workstation rental. Landmark and GeoQuest software.

Acquisition of seismic and other geophysical data, geothermal surveys and remote sensing. Japan based.

Survey and geophysical consultants to the oil and gas industry.

Geophysical acquisition, processing and interpretation. Electromagnetic technology produces virtual subsurface conductivity log.

Airborne geophysical oil survey company specialising in remote fluorescence sensing and magnetic data recovery.

Onshore and marine seismic acquisition and analysis. Reservoir imaging, characterization and monitoring. Multiclient 3D data library.

Offering gravity and magnetic survey specification, processing and interpretation. Proprietary software.

A novel approach to Reflector Geometry Reconstruction: proper assimilation of prestacked multioffset traveltimes, macro-model-independent seismic reflection (depth) imaging.

Seismic Consultants Group (SCG) provides personnel for field supervision and quality control of geophysical surveys to the oil and gas exploration industry worldwide

Research reports on subsalt imaging, depth migration, velocity model building, seismic modeling, converted mode energy and overpressure prediction.

Research program at Virginia Tech to develop methods to determine the parameters for the statistical reservoir models from seismic data.

Online professional geophysical consulting service.

Passive seismic tomography services for oil exploration. Seismograph and vibroseis rental. Pipeline pollution early warning systems. Seismological investigations. Crosshole seismic tomography.

Seistronix manufactures, leases and sells exploration seismographs and related geophysical equipment for oil, gas, mineral and general geotechnical exploration using seismic refraction, 2D and 3D seismic reflection.

Elimination of intrabed multiples: SoSI-inversion. Site shows a novel approach to the comprehensive elimination of multiples -including intrabed ones. It is based on recursive representation of Born series inversion and realized in a form of a fast routine, capable of running in a fully automatic mode.

2D and 3D seismic data processing services for both land and marine datasets.

Home page of the SEG, which hosts 2 monthly publications- The Leading Edge and the SEG Journal, and yearly trade shows, at the international, national, and regional level. The major organization for geophysicists involved in exploration and production of hydrocarbons.

Powerpoint presentations illustrating common reasons for interpretation error. Free viewer available from site.

Seismic data acquisition, interpretation and modeling, including prospect evaluation.

Geochemically-based surface exploration for hydrocarbons using magnetic horizontal gradient and radiometric surveys