Geological Technicians, Except Hydrologic Technicians

Career Overview

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.

Also Known As

  • Geological Technician
  • Geotechnician
  • Materials Technician
  • Physical Science Technician

Alternate Job Titles

  • Acid Tester
  • Chalk Tester
  • Construction Material Technician
  • Construction Materials Field Technician (Construction Materials Field Tech)
  • Construction Materials Technician (Construction Materials Tech)
  • Construction Materials Testing Technician (Construction Materials Testing Tech)
  • Core Inspector
  • Crude Tester
  • Directional Drill Locator
  • Directional Drill Operator
  • Drilling Fluids Specialist
  • Echometer Engineer
  • Electric Well Logging Operator
  • Electrical Logger
  • Electrical Logging Operator

What You'll Do

In this role, your typical responsibilities include:

  • 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.
  • Participate in geological, geophysical, geochemical, hydrographic, or oceanographic surveys, prospecting field trips, exploratory drilling, well logging, or underground mine survey programs.
  • 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.

Knowledge You'll Use

You'll need solid knowledge in these areas:

  • Computers and Electronics

Essential Skills

Success in this career requires strong skills in:

  1. Reading Comprehension

Key Abilities

This career requires key abilities in:

  • Written Comprehension
  • Oral Comprehension
  • Near Vision
  • Information Ordering
  • Inductive Reasoning
  • Oral Expression
  • Written Expression
  • Category Flexibility
  • Speech Clarity
  • Deductive Reasoning

Work Style

People who excel in this career typically demonstrate:

  • Attention to Detail
  • Dependability
  • Intellectual Curiosity
  • Integrity
  • Perseverance

What Matters in This Career

This career tends to satisfy these work values:

  • Support
  • Relationships
  • Independence
  • Achievement
  • Working Conditions

Technology You'll Use

Popular Technologies & Software

  • Adobe Illustrator
  • Autodesk AutoCAD
  • ESRI ArcGIS software
  • Microsoft Access
  • Microsoft Excel
  • Microsoft Office software
  • Microsoft Outlook
  • Microsoft PowerPoint
  • Microsoft Word
  • SAP software

Tools & Equipment

  • 35 millimeter cameras
  • Abney levels
  • Automatic burets
  • Binocular polarizing microscopes
  • Calorimeters
  • Carbon hydrogen nitrogen CHN analyzers
  • Chipmunk crushers
  • Clinometers
  • Conductivity indicators
  • Cryogenic magnetometers
  • Desktop computers
  • Digital cameras
  • Digital chlorine testers
  • Digital hydrometers
  • Digital micropipettes

Work Environment

  • E-Mail
  • Importance of Being Exact or Accurate
  • Face-to-Face Discussions with Individuals and Within Teams
  • Indoors, Environmentally Controlled
  • Telephone Conversations

Salary & Job Market

Salary PercentileAnnual Wage
Entry-Level (10th percentile)$32,830
Median$48,390
Top Earners (90th percentile)$92,210

Workers Employed Nationally: 9,710

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If you're interested in this career, you might also consider:


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Occupational data sourced from the O*NET OnLine database, developed by the U.S. Department of Labor, Employment and Training Administration. Wage data from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics (OEWS), 2024.

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