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Service Unit Operators, Oil and Gas

SOC 47-5013.00Job Zone 2 · Some Preparationv.26.05

Context coveredThis framework covers oil and gas well service unit operations including rig setup, wellhead servicing, fluid circulation, equipment maintenance, safety inspection, and field documentation in Job Zone 2 oilfield environments.

Sources:O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.SkillsCrosswalkSkillsCrosswalk — O*NET enrichment + adjacency index. Opens in new tab.
Emerging
Entry / Apprentice
  1. Safety inspection checklists — complete under direct supervision before and after equipment use at a well site.
  2. Truck-mounted service unit — drive to assigned well sites following established routes and load limits under supervisor guidance.
  3. Engine and rotary chain sounds — listen for and report unusual noises or irregularities to a senior operator during supervised rig operations.
  4. Pressure-control devices — assist in the installation onto wellheads by staging components and handing tools as directed.
  5. Derrick controls — observe and operate under close supervision to raise or level a rig during initial field training.
  6. Fluid circulation pumps — monitor gauges and basic controls under direction to circulate water or oil through a well while clearing sand or debris.
  7. Pipe and tool size information — gather from coworkers or rig records and relay accurately to the crew before beginning well service tasks.
  8. Service reports — record basic time, tools used, and services rendered using provided forms or office suite software for billing review.
  9. Personal protective equipment and site safety protocols — apply consistently on every oilfield site following posted procedures and verbal instruction.
  10. Hand tools and basic mechanical components — identify, handle, and return to proper storage following a senior operator's direction on a rig site.
Developing
Mid-level / Established
  1. Routine equipment and tool safety inspections — conduct independently on truck-mounted units and rig components prior to each well service shift.
  2. Derrick and rig leveling controls — operate with minimal oversight to raise or position equipment safely on varied well-site terrain.
  3. Engine, pump, and chain anomalies — identify through active listening and instrument monitoring, and take initial corrective action during standard service operations.
  4. Pressure-control device installation — perform on wellheads in familiar well configurations, verifying torque and seal integrity without close supervision.
  5. Circulation pumps and fluid management — operate to circulate water, oil, or brine through a well, adjusting flow rates in response to pressure readings.
  6. Borehole and pipe condition data — confer with engineers and rig crews to collect relevant information and confirm correct tool selection before beginning a job.
  7. Service and billing reports — prepare accurate records of time, materials, and procedures using spreadsheet or document management software after each job.
  8. Truck-mounted units — drive safely to multiple well sites per shift, managing load securement and oilfield road conditions with routine independence.
  9. Minor mechanical repairs — diagnose and perform on pumps, hoses, and fittings in the field to restore equipment function between scheduled maintenance cycles.
  10. Inventory of consumable parts and fluids — track usage using inventory management software and flag restocking needs before supplies reach critical levels.
Proficient
Senior / Expert IC
  1. Complex well-service equipment failures — troubleshoot autonomously by interpreting operational data, auditory cues, and instrument readings to determine root cause and corrective action.
  2. Full-scope safety inspections — plan and execute for an entire service unit fleet, identifying non-routine hazards and recommending corrective measures to site supervisors.
  3. Non-standard borehole conditions — evaluate information from engineers, geologists, and drillers to adapt service procedures and select appropriate tools for unusual well configurations.
  4. Wellhead pressure-control systems — install, test, and certify in high-pressure or sour-gas environments, applying engineering specifications and regulatory requirements without oversight.
  5. Rig raising and leveling operations — direct and perform in challenging site conditions, making real-time control adjustments to maintain structural safety and operational efficiency.
  6. Fluid circulation programs — design and execute for sand control or remediation jobs, monitoring pump pressures and fluid returns to optimize flow and protect well integrity.
  7. Detailed job reports and post-service documentation — produce using ERP or analytical software, ensuring accuracy for regulatory compliance, client billing, and operational analysis.
  8. Critical equipment decisions — apply sound judgment under time pressure to shut down or continue operations based on mechanical signals, safety thresholds, and well data.
  9. Preventive maintenance schedules — develop and execute for truck-mounted service units, using equipment manufacturer specifications and operational history to extend asset life.
  10. New field personnel — mentor in operating controls, reading gauges, and following safety protocols, transferring practical knowledge through structured on-the-job demonstration.
Advanced
Lead / Principal / Executive
  1. Field service safety culture — establish and enforce site-wide standards, leading incident investigations and implementing corrective programs across multiple well-site crews.
  2. Service unit operations strategy — set operational priorities, resource allocation plans, and performance targets for a team of operators across a regional oilfield area.
  3. Advanced troubleshooting frameworks — develop and standardize decision-tree protocols for diagnosing complex rig, pump, and wellhead failures used by all crew members.
  4. Cross-functional well-planning teams — lead collaboration with engineers, geologists, and client representatives to define service scope, tool selections, and risk mitigation for major projects.
  5. Regulatory compliance programs — design and oversee inspection, documentation, and reporting systems that satisfy federal, state, and company safety requirements across the service unit fleet.
  6. Training and competency development — build structured certification pathways for emerging and developing operators, using industry standards and O*NET task benchmarks to assess readiness.
  7. Equipment acquisition and capital decisions — evaluate and recommend purchases or retirements of truck-mounted units and rig components based on performance data and operational forecasts.
  8. ERP and industrial control software deployment — guide team adoption of enterprise systems for work-order management, inventory, and billing to improve operational accuracy and efficiency.
  9. Client relationships and service quality — represent the service unit operation in customer discussions, resolving escalated performance issues and identifying opportunities to expand service offerings.
  10. Organizational knowledge management — document best practices, lessons learned, and procedural innovations in a retrievable knowledge base that supports continuous improvement across the service unit workforce.

AI-at-Work Competency Framework

Sources:Anthropic Economic IndexAnthropic Economic Index — release_2026_03_24. Opens in new tab.Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab.WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab.

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Sources:Pathsmith™ Durable SkillsPathsmith™ Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
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O*NET enrichment · skillscrosswalk.com

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Source anchors that ground each statement

Related titles
Coiled Tubing Operator · Fishing Tool Operator · Gather Operator · Oil and Gas Equipment Operator · Oil and Gas Field Technician · Oil and Shale and Tar Processing Technician · Oil Processing Technician · Oil Well Fishing Tool Technician · Oil Well Service Operator · Oil Well Service Unit Operator · Pulling Unit Operator · Reverse Unit Operator
RAPIDS apprenticeships
—
O*NET skills
Operations MonitoringOperation and ControlCritical ThinkingMonitoringTroubleshootingActive ListeningJudgment and Decision MakingComplex Problem SolvingEquipment MaintenanceReading ComprehensionWritingSpeakingActive LearningSocial PerceptivenessRepairingQuality Control AnalysisManagement of Personnel Resources
Knowledge domains
MechanicalMathematicsCustomer and Personal ServiceEngineering and TechnologyPublic Safety and SecurityEducation and TrainingEnglish LanguageChemistrySales and MarketingAdministration and ManagementTransportationProduction and Processing
Abilities
Control PrecisionArm-Hand SteadinessProblem SensitivityMultilimb CoordinationNear VisionHearing SensitivityReaction TimeSelective AttentionManual DexterityPerceptual Speed
Work styles
CautiousnessDependabilityAttention to DetailStress TolerancePerseveranceAdaptability
Technology
Facilities management softwareAnalytical or scientific softwareInventory management softwareSpreadsheet softwareOffice suite softwarePresentation softwareDocument management softwareWord processing softwareEnterprise resource planning ERP softwareIndustrial control software
Tasks · seed anchors for statements
  1. Maintain and perform safety inspections on equipment and tools.
  2. Operate controls that raise derricks or level rigs.
  3. Listen to engines, rotary chains, or other equipment to detect faulty operations or unusual well conditions.
  4. Prepare reports of services rendered, tools used, or time required, for billing purposes.
  5. Install pressure-control devices onto wellheads.
  6. Confer with others to gather information regarding pipe or tool sizes or borehole conditions in wells.
  7. Operate pumps that circulate water, oil, or other fluids through wells to remove sand or other materials obstructing the free flow of oil.
  8. Drive truck-mounted units to well sites.
CIP education codes
15.0901

Sources: O*NET v30.2 (CC BY 4.0), SkillsCrosswalk.com, LER.me®, Anthropic Economic Index, SAFI (Jadhav & Danve, 2026), WEF Skills Taxonomy 2021, Pathsmith™ Durable Skills Framework. © 2026 EBSCOed.