# Geological Technicians, Except Hydrologic Technicians > Assist scientists or engineers in the use of electronic, sonic, or nuclear measuring instruments in laboratory, exploration, and production activities to obtain data indicating resources such as metallic ore, minerals, gas, coal, or petroleum. Analyze mud and drill cuttings. Chart pressure, temperature, and other characteristics of wells or bore holes. - Code: 19-4043.00 (O*NET-SOC; SOC 2018 19-4043) - Family: [Life, Physical & Social Science](https://foundation.org.ai/occupations#family-19), one of its 66 occupations - Tasks: 29 tasks (11 core, 12 supplemental and 6 not rated) - Page: https://foundation.org.ai/occupations/19-4043.00 - JSON: https://foundation.org.ai/data/tasks/19-4043.00.json ## What the work is made of 1. Test and analyze samples to determine their content and characteristics, using laboratory apparatus or testing equipment. Core task · Task 22262 · Rated by O*NET analysts, November 2020 2. Collect or prepare solid or fluid samples for analysis. Core task · Task 22263 · Rated by O*NET analysts, November 2020 3. Compile, log, or record testing or operational data for review and further analysis. Core task · Task 22264 · Rated by O*NET analysts, November 2020 4. Prepare notes, sketches, geological maps, or cross-sections. Core task · Task 22265 · Rated by O*NET analysts, November 2020 5. Participate in geological, geophysical, geochemical, hydrographic, or oceanographic surveys, prospecting field trips, exploratory drilling, well logging, or underground mine survey programs. Core task · Task 22266 · Rated by O*NET analysts, November 2020 6. Prepare or review professional, technical, or other reports regarding sampling, testing, or recommendations of data analysis. Core task · Task 22267 · Rated by O*NET analysts, November 2020 7. Adjust or repair testing, electrical, or mechanical equipment or devices. Core task · Task 22268 · Rated by O*NET analysts, November 2020 8. Read and study reports in order to compile information and data for geological and geophysical prospecting. Core task · Task 22269 · Rated by O*NET analysts, November 2020 9. Interview individuals, and research public databases in order to obtain information. Core task · Task 22270 · Rated by O*NET analysts, November 2020 10. Plot information from aerial photographs, well logs, section descriptions, or other databases. Core task · Task 22271 · Rated by O*NET analysts, November 2020 11. Assemble, maintain, or distribute information for library or record systems. Core task · Task 22272 · Rated by O*NET analysts, November 2020 12. Operate or adjust equipment or apparatus used to obtain geological data. Supplemental task · Task 22273 · Rated by O*NET analysts, November 2020 13. Plan and direct activities of workers who operate equipment to collect data. Supplemental task · Task 22274 · Rated by O*NET analysts, November 2020 14. Set up or direct set-up of instruments used to collect geological data. Supplemental task · Task 22275 · Rated by O*NET analysts, November 2020 15. Record readings in order to compile data used in prospecting for oil or gas. Supplemental task · Task 22276 · Rated by O*NET analysts, November 2020 16. Create photographic recordings of information, using equipment. Supplemental task · Task 22277 · Rated by O*NET analysts, November 2020 17. Measure geological characteristics used in prospecting for oil or gas, using measuring instruments. Supplemental task · Task 22278 · Rated by O*NET analysts, November 2020 18. Participate in the evaluation of possible mining locations. Supplemental task · Task 22279 · Rated by O*NET analysts, November 2020 19. Assess the environmental impacts of development projects on subsurface materials. Supplemental task · Task 22280 · Rated by O*NET analysts, November 2020 20. Evaluate and interpret core samples and cuttings, and other geological data used in prospecting for oil or gas. Supplemental task · Task 22281 · Rated by O*NET analysts, November 2020 21. Supervise well exploration, drilling activities, or well completions. Supplemental task · Task 22282 · Rated by O*NET analysts, November 2020 22. Inspect engines for wear or defective parts, using equipment or measuring devices. Supplemental task · Task 22283 · Rated by O*NET analysts, November 2020 23. Collaborate with hydrogeologists to evaluate groundwater or well circulation. Supplemental task · Task 22285 · Rated by O*NET analysts, November 2020 24. Apply new technologies, such as improved seismic imaging techniques, to locate untapped oil or natural gas deposits. Not rated · Task 22286 · Listed by O*NET analysts, November 2020 25. Collect data on underground areas, such as reservoirs, that could be used in carbon sequestration operations. Not rated · Task 22287 · Listed by O*NET analysts, November 2020 26. Collect geological data from potential geothermal energy plant sites. Not rated · Task 22288 · Listed by O*NET analysts, November 2020 27. Compile data used to address environmental issues, such as the suitability of potential landfill sites. Not rated · Task 22289 · Listed by O*NET analysts, November 2020 28. Conduct geophysical surveys of potential sites for wind farms or solar installations to determine their suitability. Not rated · Task 22290 · Listed by O*NET analysts, November 2020 29. Evaluate and interpret seismic data with the aid of computers. Not rated · Task 22291 · Listed by O*NET analysts, November 2020 ## More in Life, Physical & Social Science - [Agricultural Technicians](https://foundation.org.ai/occupations/19-4012.00): 26 tasks - [Animal Scientists](https://foundation.org.ai/occupations/19-1011.00): 9 tasks - [Anthropologists and Archeologists](https://foundation.org.ai/occupations/19-3091.00): 30 tasks - [Astronomers](https://foundation.org.ai/occupations/19-2011.00): 17 tasks - [Atmospheric and Space Scientists](https://foundation.org.ai/occupations/19-2021.00): 27 tasks - [Biochemists and Biophysicists](https://foundation.org.ai/occupations/19-1021.00): 24 tasks - [Bioinformatics Scientists](https://foundation.org.ai/occupations/19-1029.01): 20 tasks - [Biological Scientists, All Other](https://foundation.org.ai/occupations/19-1029.00): no tasks listed - [Biological Technicians](https://foundation.org.ai/occupations/19-4021.00): 17 tasks - [Biologists](https://foundation.org.ai/occupations/19-1029.04): 21 tasks - 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Nothing on this page is written by the Org.AI Foundation.