OSES – Field Service Technician

Oil States Piper Valve

Midland, TX

POSITION SUMMARY:  A Field Service Technician (FST) is primarily responsible for the installation, operation, repair, removal, and maintenance of company tools and other oilfield equipment.

FST I Trainee    

    • New hire -- still considered SSE -- single product line (required knowledge testing to promote)
  • FST I
    • Single product line – could be non-SSE- Has CDL (if required) and considered a “helper only” on location
  • FST II Trainee
    • Proficient in one or more job types in a single product line- could still be an SSE (required knowledge testing to promote)
  • FST II
    • Proficient in all job types and can run and rebuild all equipment in a single product line; can run a shift by themselves, is considered a trainer, has CDL (if required) (Required knowledge-based testing to promote)
  • FST III Trainee
    • Proficient in 2 product lines, and can run and build all equipment, run a shift by themselves has CDL, could still be an SSE, (if required) (Required knowledge testing to promote)
    • Is proficient in 2 product lines, and can run and rebuild all equipment -- is considered a Trainer in both product lines, has CDL (if required) (Required knowledge testing to promote)



  • Abides by all Oil States Energy Services, LLC Safety and Operational Policies and Procedures, and abide by all DOT requirements. Must understand and comply with all safety rules and company policies.
  • Must abide by all Customer Safety policies and procedures while on customers job site.
  • Installs, repairs, operates, removes, troubleshoots, and maintains various company tools and equipment.
  • Drives and operates mobile crane truck, pickup and trailer to deliver tools over state lines up to 70% of the time depending on district location.
  • Regularly drives company vehicle in a safe manner, observing all company and government regulations, between each district and off-site locations at scheduled time.
  • Regularly inspects company equipment for preventative maintenance purposes. Assures proper operation, maintenance, applications, and document repairs and/or damages of company equipment in a timely manner. 
  • Completes all paperwork on in a timely manner as required by company and supervisor, including preparation and timely submission of accurate and thorough completion of job reports, driving logs, trip reports and call sheets.
  • Performs maintenance and reports on all company vehicles, and/or company owned and rental equipment.
  • Communicate with service company and oil company personnel
  • May oversee job site services and provide direction to onsite labor when needed.
  • Assists in job action planning with customer on location.
  • Ensures proper delivery of product.
  • Assists in the shop and make deliveries when .
  • Stay up to date on all required training (including, but not limited to, HSE, customer required, etc.).Train and mentor less experienced employees.
  • Assists in pre-job safety meetings to include review of job safety analysis (JSA) process.
  • Maintains open lines of communication with District Manager and Operations District before, during and after job completion. Ensures management is appropriately informed of area activities and attends meetings as required.
  • Maintains open lines of communication with various customers regarding job updates, problems, tool procedures, and hazards on job site locations.
  • Learn SOP’s and work instructions per respective product line.
  • Learn hand signals for job site (crane operation and vehicles). Performs other duties as assigned.


Frac Stacks and Rentals

  • Learn and assist with the installation and removal of frac stacks, hydraulic chokes, zipper manifold, BOP, sand knockout, flow back manifold, plug catcher, etc.
  • Knowledge of hand tools to include hydraulic torque wrenches.
  • Learn and possess the knowledge regarding valve turns.
  • Ability to install operate and remove frac stacks, hydraulic chokes, zipper manifold, BOP, sand knockout, flow back manifold, plug catcher, etc.. with limited supervision.
  • Troubleshoot and field repair of frac stacks, hydraulic chokes, zipper manifold, BOP, sand knockout, flow back manifold, plug catcher, etc..
  • Knowledge and ability to backseat a gate valve.
  • Performing monitoring duties.
  • Assist with Calculation of flow rates and formulas.
  • Assist with performance of flow back operations.
  • Ability to install operate and remove frac stacks, hydraulic chokes, zipper manifold, BOP, sand knockout, flow back manifold, plug catcher, etc. without supervision.
  • Calculate flow rates and formulas.
  • Perform flow back operations.
  • Knowledge and ability to design a flow back plan.
  • Proficient to handle blowout environment.
  • Complete third party Well Control program.


  • Must have excellent verbal and written communication skills in English.
  • Must be proficient with a computer.
  • Ability to work and drive in all weather conditions.
  • Ability to travel to other facilities, if required.
  • Ability to think quickly in emergency type of situations on job site locations.
  • Ability to operate hand tools.
  • Basic math and algebra skills.
  • Must have mechanical abilities.
  • Working knowledge of Microsoft Office software.
  • Familiar with a variety of the field's concepts, practices, and procedures.
  • Ability to read and interpret documents, such as safety rules, operating, and maintenance instructions, and procedure manuals.
  • Ability to deal with problems involving several concrete variables in standardized situations.
  • Familiar with tools and equipment utilized by company, preferred.



  • High School Diploma or General Education Degree (GED).
  • Must be able to travel for extensive number of days and be on call 24/7.
  • Must maintain a safe driving record as prescribed by company policy.
  • Must successfully pass pre- and post-employment drug and alcohol tests per company policy.



  • Valid class A CDL driver’s license or ability to obtain a class A CDL with airbrake endorsement within 3-6 months of employment per location requirements.
  • Upon receiving a class A CDL license, must maintain and carry a current D.O.T. medical card at all times



  • The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
  • Must be able to frequently lift and move materials up to 75 pounds or less unassisted. Anything 76 lbs. or more requires mechanical assistance or a team lift.
  • Requires pushing and pulling up to 140 pounds of force, bending, standing, kneeling, carrying, sitting, climbing for extended periods of time each day.
  • Requires appropriate PPE to be worn; safety glasses, steel toe boots, ear plugs etc.…
  • Requires exposure to moderate noise levels.
  • Exposure to warm, hot and cold temperatures.



Oil States Energy Services is An Equal Opportunity Employer

An E-Verify Employer/Un empleador de E-Verify