# Tasks & work activities — geotechnician

Source: O*NET 30.3, occupation 19-4043.00 (Geological Technicians, Except Hydrologic Technicians) — manual nearest-occupation mapping via ISCO group 3117; the official ESCO crosswalk has no entry for this ESCO occupation.

## Task statements

- **[Core]** Test and analyze samples to determine their content and characteristics, using laboratory apparatus or testing equipment.
- **[Core]** Collect or prepare solid or fluid samples for analysis.
- **[Core]** Compile, log, or record testing or operational data for review and further analysis.
- **[Core]** Prepare notes, sketches, geological maps, or cross-sections.
- **[Core]** Participate in geological, geophysical, geochemical, hydrographic, or oceanographic surveys, prospecting field trips, exploratory drilling, well logging, or underground mine survey programs.
- **[Core]** Prepare or review professional, technical, or other reports regarding sampling, testing, or recommendations of data analysis.
- **[Core]** Adjust or repair testing, electrical, or mechanical equipment or devices.
- **[Core]** Read and study reports in order to compile information and data for geological and geophysical prospecting.
- **[Core]** Interview individuals, and research public databases in order to obtain information.
- **[Core]** Plot information from aerial photographs, well logs, section descriptions, or other databases.
- **[Core]** Assemble, maintain, or distribute information for library or record systems.
- **[Supplemental]** Operate or adjust equipment or apparatus used to obtain geological data.
- **[Supplemental]** Plan and direct activities of workers who operate equipment to collect data.
- **[Supplemental]** Set up or direct set-up of instruments used to collect geological data.
- **[Supplemental]** Record readings in order to compile data used in prospecting for oil or gas.
- **[Supplemental]** Create photographic recordings of information, using equipment.
- **[Supplemental]** Measure geological characteristics used in prospecting for oil or gas, using measuring instruments.
- **[Supplemental]** Participate in the evaluation of possible mining locations.
- **[Supplemental]** Assess the environmental impacts of development projects on subsurface materials.
- **[Supplemental]** Evaluate and interpret core samples and cuttings, and other geological data used in prospecting for oil or gas.
- **[Supplemental]** Supervise well exploration, drilling activities, or well completions.
- **[Supplemental]** Inspect engines for wear or defective parts, using equipment or measuring devices.
- **[Supplemental]** Collaborate with hydrogeologists to evaluate groundwater or well circulation.
- **[nan]** Apply new technologies, such as improved seismic imaging techniques, to locate untapped oil or natural gas deposits.
- **[nan]** Collect data on underground areas, such as reservoirs, that could be used in carbon sequestration operations.
- **[nan]** Collect geological data from potential geothermal energy plant sites.
- **[nan]** Compile data used to address environmental issues, such as the suitability of potential landfill sites.
- **[nan]** Conduct geophysical surveys of potential sites for wind farms or solar installations to determine their suitability.
- **[nan]** Evaluate and interpret seismic data with the aid of computers.

## Detailed work activities

- Analyze geological or geographical data.
- Analyze geological samples.
- Calibrate scientific or technical equipment.
- Collaborate on research activities with scientists or technical specialists.
- Collect archival data.
- Collect environmental data or samples.
- Collect geographical or geological field data.
- Collect information from people through observation, interviews, or surveys.
- Collect samples for analysis or testing.
- Compile environmental or climatological data.
- Compile geographic or related data.
- Direct natural resources extraction projects.
- Direct technical activities or operations.
- Document events or evidence, using photographic or audiovisual equipment.
- Inspect equipment to ensure proper functioning.
- Locate natural resources using geospatial or other environmental data.
- Maintain laboratory or technical equipment.
- Operate laboratory or field equipment.
- Prepare maps.
- Record research or operational data.
- Research environmental impact of industrial or development activities.
- Research geological features or processes.
- Set up laboratory or field equipment.
- Supervise scientific or technical personnel.
- Survey land or properties.