Field Service Representative I
corelab · Rock Springs, Wyoming · United States · On-site
Posted Sep 11, 2026
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The Field Service Representative uses licensed material and provides personal supervision in the use of licensed material at work sites in order to support radioactive tracer services (proppant tracers) during well site operations. The incumbent is responsible to the licensor NRC (Nuclear Regulatory Commission) and/or the Agreement States for assuring compliance with the requirements of the Commission’s regulations and the conditions of the license. Functions as the Radiation Safety Officer at work sites. Assess well site operations and effectively communicate to customers the work that needs to be done to carry out tracer services, ensuring that the work is performed in a safe and optimal manner.
DUTIES & RESPONSIBILITIES
Job Management Responsibilities
Communicates job objectives, design and possible operation changes with the client, including but not limited to the following:
Reviews safety and flow-back procedures, confirms proppant and chemical tracer objectives, reviews job design needed to achieve objectives, and communicates job changes that may occur depending on effectiveness of overall well site operations.
Gathers and evaluates information on well specifications, number of fracture stimulation stages and depths, perforation(s) depths, casing, tubing specifications, and completion type (plug and perforating slide sleeve, packers plus, frac pack, etc.).
Based on an analysis of data gathered, strategizes rig-up scenarios with the client and recommends optimal design to maximize tracer outcomes.
Analyzes mud reports and determines the appropriate amount of tracer to use for the operation. Communicate with client to determine if additions to the drilling mud system are anticipated or have been made in order to determine impact to design of the job, as well as materials required.
Monitors real-time well site operations and adjusts tracer job design depending on status and stage of the operation. Must exercise discretion and independent judgment (without direct supervision) in determining appropriate adjustments and/or changes to job design, taking into consideration regulatory, safety, and desired goals of diagnostic services to be provided.
Tracer Operations
Upon completion of tracer operations, surveys the well site to ensure that no radioactive material residue remains at the site.
Provides customers with technical product support relating specifically to proppant and chemical tracer services.
Determines the appropriate mix of proppant and chemical tracers required for tracer completion and monitors injection into the “frac” line going into the well.
Utilizing the STMU (Spectral Tracer Monitoring Unit) for jobs with proppant tracers, measures the tracer material going downhole.
Communicates status of the tracer operations to the client, including screen-outs (material in the line), pump stops, and completion of the job.
Accurately completes all required reports at the conclusion of the job, for example,…