Measure, record, and evaluate geological data, using sonic, electronic, electrical, seismic, or gravity-measuring instruments to prospect for oil or gas. May collect and evaluate core samples and cuttings.

Other names for Geophysical Data Technicians: Echometer Engineer, Electric Well Logging Operator, Electrical Logger, Electrical Logging Operator, Electrical Prospecting Observer, Electrical Prospecting Operator, Electrical Prospecting Supervisor, Electrolog Operator, Exploration Manager, Field Engineer, Field Observer, Field Scout, Geological Aide, Geological E-Logger, Geological Technician, Geologist, Geophysical Computer, Geophysical E-Logger, Geophysical Observer, Geophysical Prospector, Geophysical Support Specialist, Geophysicist, Geoscience Specialist, Geoscience Technician, Geoscientist, Geotechnician, Gravity Meter Operator, Gravity Prospecting Observer, Gravity Prospecting Operator, Gravity Prospecting Supervisor, Hydrogeologist, Hydrographer, Magnetic Locater, Magnetic Observer, Magnetic Prospecting Operator, Magnetic Prospecting Supervisor, Magnetometer Operator, Observer, Oil Prospecting Observer, Oil Scout, Oil Well Directional Surveyor, Petroleum Geologist, Scout, Scout Leaser, Section Plotter Operator, Seismic Computer, Seismic Interpreter, Seismic Observer, Seismic Plotter, Seismic Prospecting Observer, Seismic Prospecting Supervisor, Seismograph Chief, Seismograph Computer, Seismograph Observer, Seismograph Operator, Seismograph Recorder, Seismograph Supervisor, Seismographer, Seismometer Operator, Sensitometrist, Soils Technician, Sounding Device Operator, Technical Assistant, Technical Operator,

• Prepare notes, sketches, geological maps and cross-sections.
• Read and study reports in order to compile information and data for geological and geophysical prospecting.
• Interview individuals, and research public databases in order to obtain information.
• Assemble, maintain, and distribute information for library or record systems.
• Operate and adjust equipment and apparatus used to obtain geological data.
• Plan and direct activities of workers who operate equipment to collect data.
• Set up, or direct set-up of instruments used to collect geological data.
• Record readings in order to compile data used in prospecting for oil or gas.
• Supervise oil, water, and gas well drilling activities.
• Collect samples and cuttings, using equipment and hand tools.
• Develop and print photographic recordings of information, using equipment.
• Measure geological characteristics used in prospecting for oil or gas, using measuring instruments.
• Evaluate and interpret core samples and cuttings, and other geological data used in prospecting for oil or gas.
• Diagnose and repair malfunctioning instruments and equipment, using manufacturers' manuals and hand tools.
• Prepare and attach packing instructions to shipping containers.
• Develop and design packing materials and handling procedures for shipping of objects.