Look over the rig before work
Inspect the mud pump and service rig, log any problems, and do routine upkeep with the crew.
Career profile
Oil and Gas Service Unit Operator
Service unit operators run machinery that gets wells flowing again or pulls out stuck objects.
Every problem you fix is down the well where you cannot see it. You stay up top using gauges, instrument data and special tools.
A day in the life
Pump fluid to clear sand
Run pumps that circulate fluid in the well to clear sand and other material holding back oil.
Choose tools for a fishing job
On fishing jobs, choose tools by depth and pipe size to pull stuck equipment out of the well.
Listen for changes in engine noise
Listen for shifts in chain or engine noise that can mean a mechanical fault or odd well conditions.
Log tools, work and hours
Record the tools used, work done and hours spent so the customer gets billed correctly.
Quick facts
Experience + workplace training
United States · 2025
$58,160 a year
United States · May 2025
1.1% projected growth
United States · 2025–2035
Quick orientation
Preparation, pay & outlook
Preparation
Experience + workplace trainingTypical entry involves related work experience and moderate-term on-the-job training. No formal educational credential is typical nationally; employers set their own requirements.
Pay
$58,160 a yearNational median, equivalent to $27.96 an hour.
Outlook
1.1% projected growthAbout 3,800 openings a year are projected, including replacement openings.
Fit, tradeoffs & changing tools
You might like this if…
- You like figuring out why machinery is behaving differently.
- You can stay attentive during repetitive checks.
- You communicate clearly when other people depend on your timing.
Things to weigh
- Weather, noise, and heavy equipment are part of the day. Protective gear and physical stamina matter.
- Some remote crews spend weeks away from home, working long shifts before a stretch of time off.
Where AI may help
Some well-service systems now track tools underground and automate movement or operating sequences. These capabilities are available in selected cable and coiled-tubing services.
What people still lead
Operators still inspect equipment, coordinate the crew, and handle problems at the well site.
What we can’t predict yet
How much routine control shifts to automation will depend on the equipment and the well. Operators may spend more time checking automated actions and handling exceptions.
Pay in context
Earnings
The national midpoint is useful, but the wage spread is wide.
The midpoint and spread
In May 2025, the median was $58,160 a year, or $27.96 an hour. The lowest-paid 10% earned $38,940 or less; the highest-paid 10% earned $97,560 or more. Those are wage percentiles, not beginner and experienced pay bands.
Workplace type can matter
A historical comparison shows annual mean pay of $54,960 in support activities for mining and $76,210 in oil and gas extraction. Both figures are for service unit operators in May 2023; they are averages, not current offers.
Openings despite slow growth
Employment is projected to grow 1.1% from 2025 to 2035, with about 3,800 openings annually. Openings include replacing people who leave the occupation; they are not all newly created jobs.
Getting started
Join a service crew as a trainee
Paid
- What the route involves
- In a slickline operator-assistant role, learn equipment setup, inspections, and repairs under supervision.
- What it can lead to
- You gain direct well-service experience while completing the employer’s equipment and safety training.
- What to check
- Requirements vary. Some trainee jobs require a diploma or equivalent, eligibility for a commercial driver’s license, a satisfactory driving record, and physical, drug, and background screening.
Build field experience first
- What the route involves
- Start in roustabout work, cleaning and repairing equipment and learning how an oilfield crew works.
- What it can lead to
- Related field experience can prepare you to move into service-unit operator training.
- What to check
- An operator opening may still require specific equipment experience. The national typical-entry category is less than five years of related experience, not a fixed waiting period.
You usually learn this work through employment. Some employers require a high school diploma or equivalent, and many operator roles expect previous field experience.
After entry
Career paths
This starts where the entry routes leave off: early work, growing capability, and advancement or specialization.
Get established
Build reliable inspection and setup habits through workplace coaching. Some employers also use classroom lessons and simulators.
Develop your judgment
Learn to connect instrument readings with well conditions and choose suitable retrieval methods.
Lead a service crew
Move toward coordinating the rig crew, planning equipment needs with a field supervisor, and organizing other services at the well.
Where you can work
Land-based service and plugging crews
You move between well sites with a rig crew. Work can include preparing pipe and equipment for cementing when a well is being closed, with other service crews joining the job.
- Outdoors
- Field work
- Travel
- Physical demands
- Safety-sensitive
Remote oilfield service bases
At remote Alaska sites, service work can mean living in employer-provided lodging during a rotation. Long or irregular days and short-notice calls can shape life away from work.
- Outdoors
- Field work
- Travel
- Shift work
- On call
- Safety-sensitive
Try it
See whether the job clicks before you commit to the path.
Sketch a narrow well with a broken pipe lodged inside. Draw a tool that could pass down the opening and grip the pipe. List the measurements you would need before choosing it. Notice whether solving a hidden mechanical problem interests you.
Stay safe: Keep this a paper exercise; it is not a procedure for operating well equipment.
Sources
- O*NET OnLine. Service Unit Operators, Oil and Gas — 47-5013.00. Accessed 2026-10-03.
- O*NET OnLine / U.S. Bureau of Labor Statistics. National Wages: Service Unit Operators, Oil and Gas. Accessed 2026-10-03.
- U.S. Bureau of Labor Statistics. Table 1.2: Occupational projections, 2025–35, and worker characteristics, 2025. Accessed 2026-10-03.
- U.S. Bureau of Labor Statistics. May 2023 Occupational Employment and Wages: Service Unit Operators, Oil and Gas. Accessed 2026-10-03.
- U.S. Bureau of Labor Statistics. Occupational Outlook Handbook: Oil and Gas Workers. Accessed 2026-10-03.
- Halliburton. Oilfield Operator — Slickline; Operator Assistant Trainee, requisition 211302. Accessed 2026-10-03.
- CSR Services. Rig Operator Job Description. Accessed 2026-10-03.
- Key Energy Services. Careers: Training and Development. Accessed 2026-10-03.
- SLB. Autonomous Well Intervention. Accessed 2026-10-03.