Career comparison

Geoscientist vs. Petroleum Engineer

Side-by-side pay, training, growth and day-to-day duties to help you choose between two related careers.

Updated By the Career Education Institute Curriculum Team
Geoscientist vs. Petroleum Engineer: the short answer

Petroleum engineers earn more at the median ($144,910 vs. $101,920), while geoscientists usually get to work faster (4-year degree plus field camp of training). Geoscientists study the Earth’s rocks, water and processes to find resources and reduce hazards. Petroleum engineers design ways to extract oil and gas safely and efficiently.

Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026

GeoscientistPetroleum Engineer
Median pay$101,920 ($49.00/hr)$144,910 ($69.67/hr)
Pay range (10th–90th)$59,330 – $200,230$81,440 – $253,200
Job growth, 2025–35+5.1% (faster than average)+2.0% (slower than average)
Openings per year1,8001,000
Typical entry educationBachelor's degreeBachelor's degree
Training time4-year degree plus field camp4-year engineering degree
Key credentialPG licensePE license
Work settingGeoscientists split time between the field and the office..Petroleum engineers work in offices and at rigs and field sites..

What each job does

Geoscientist

  • Map geology
  • Collect samples
  • Analyze data
  • Model groundwater
  • Assess hazards

Petroleum Engineer

  • Plan wells
  • Design drilling programs
  • Design completions
  • Model reservoirs
  • Improve production

How they’re similar

Both careers involve working with information, travel, problem-solving, and high-pay. They sit in different fields, science, engineering & lab and energy & utilities, but share transferable skills such as observation and problem-solving.

Which should you choose?

Choose geoscientist if…

  • I love rocks and landscapes
  • I like fieldwork
  • I like data

Choose petroleum engineer if…

  • I like math and geology
  • I want very high pay
  • I can handle cycles

Still torn? Take the Geoscientist fit quiz and the Petroleum Engineer fit quiz, or the full Career Match Quiz.

Quick comparisons

Which pays more, geoscientist or petroleum engineer?

Petroleum Engineers earn more at the median: $144,910 versus $101,920 for geoscientists, based on BLS May 2025 data.

Which takes less time to train for?

Geoscientists typically train faster (4-year degree plus field camp) than petroleum engineers (4-year engineering degree).

Which career has better job growth?

BLS projects geoscientists to grow +5.1% from 2025–35, compared with +2.0% for petroleum engineers.