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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.

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    Work Activities

    Work Activities

    • Test and analyze samples to determine their content and characteristics, using laboratory apparatus or testing equipment.
    • Collect or prepare solid or fluid samples for analysis.
    • Compile, log, or record testing or operational data for review and further analysis.
    • Prepare notes, sketches, geological maps, or cross-sections.
    • Operate or adjust equipment or apparatus used to obtain geological data.
    • Plan and direct activities of workers who operate equipment to collect data.
    • Participate in geological, geophysical, geochemical, hydrographic, or oceanographic surveys, prospecting field trips, exploratory drilling, well logging, or underground mine survey programs.
    • 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.
    • Prepare or review professional, technical, or other reports regarding sampling, testing, or recommendations of data analysis.
    • Adjust or repair testing, electrical, or mechanical equipment or devices.
    • Read and study reports in order to compile information and data for geological and geophysical prospecting.
    • Create photographic recordings of information, using equipment.
    • Interview individuals, and research public databases in order to obtain information.
    • Measure geological characteristics used in prospecting for oil or gas, using measuring instruments.
    • Plot information from aerial photographs, well logs, section descriptions, or other databases.
    • Participate in the evaluation of possible mining locations.
    • Assemble, maintain, or distribute information for library or record systems.
    • Evaluate and interpret core samples and cuttings, and other geological data used in prospecting for oil or gas.
    • Assess the environmental impacts of development projects on subsurface materials.
    • Supervise well exploration, drilling activities, or well completions.
    • Inspect engines for wear or defective parts, using equipment or measuring devices.
    • Develop and design packing materials and handling procedures for shipping of objects.
    • Collaborate with hydrogeologists to evaluate groundwater or well circulation.


    • Critical Thinking

      Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions, or approaches to problems.

    • Reading Comprehension

      Understanding written sentences and paragraphs in work-related documents.

    • Active Listening

      Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.


    Applied Math
    Workplace Documents
    Graphic Literacy


    • Written Comprehension

      The ability to read and understand information and ideas presented in writing.

    • Oral Comprehension

      The ability to listen to and understand information and ideas presented through spoken words and sentences.

    • Information Ordering

      The ability to arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations).


    • Computers and Electronics

      Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.

    • Engineering and Technology

      Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.

    • Mathematics

      Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.

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    Ohio Employment Trends

    • Currently Employed Not Available
    • Yearly Projected Openings Not Available

    Typical Education


    Realistic: People interested in this work like activities that include practical, hands-on problems and solutions.They do well at jobs that need:
    • Attention to Detail
    • Integrity
    • Dependability
    • Analytical Thinking
    • Independence
    • Initiative


    • Spectrophotometers
    • Soil core sampling apparatus
    • Magnetometer geophysical instruments
    • Laboratory crushers or pulverizers
    • Conductivity meters


    • Map creation software
    • Geographic information system
    • Data base user interface and query software
    • Computer aided design CAD software
    • Analytical or scientific software


    • Apprenticeships are available for this occupation. These programs can help you get hands-on experience and build your skills.
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