Assistant Driller

Job Description Job Summary

The Assistant Driller works under the Driller supervision to direct, support and take part in various activities to fulfil the drilling / work-over program. Their responsibilities include maintaining and preparing rig floor equipment and tools for use, overseeing drilling crew activities, assisting in handling drill pipe or casing, monitoring & reporting changes in drilling mud characteristics and ensuring proper housekeeping, in a timely manner considering the safety of personnel, the environment, and equipment to maximize drilling operation efficiency.

Roles & Responsibilities

Support the Driller in all aspects of the drilling operation and rig floor activities, supervise and train junior crew members (Derrick Men – Floor Men – Roustabouts).

Assist in the operation and preparation of drilling equipment and machinery.

Help with rig preparation, equipment assembly, routine inspections, cleaning and lubrication; identify equipment requiring repair or replacement and report necessary actions.

Arrange proper drill string & cross-over subs sizes & equipment for continuous drilling / work-over operations; coordinate with Derrick-man during pull / out and run-in.

Direct drifting and measuring of pipes to ensure similarity and correct dimensions; maintain records for drilling & servicing operations.

Prepare all tools and equipment required for well operations; maintain accurate records of all tubular runs, BHA / completion components and trip sheets.

Assist and relieve the Driller in supervising all drilling / workover operations conducted on the unit, ensuring efficiency and compliance with ADES approved procedures.

Assist in nipping up / down BOP as required; monitor changes in drilling parameters to facilitate the drilling / workover process.

Ensure safe handling of pipe, tongs, slips, breaking and correct make‑up of connections; slip and cut and restringing of the drilling line.

Takes necessary actions to correct hazardous conditions & practices.

Monitors and maintains the drilling fluid circulation system, fluid lines, shale shakers and trip tanks; advises the Driller of significant changes in drilling mud characteristics or mud levels and loss of circulation immediately.

Operates and maintains well control equipment; monitors for any downhole irregularities such as kicks, pressure fluctuations, and abnormal torque; takes immediate action to secure the well in the event of a well control incident.

Follows up all assembly of equipment instrumentation tools or records set up in good conditions to create correct working practices; inspect machinery & tools for any defects & make necessary repairs or replacements.

Adheres to safety protocols for working at heights; conducts risk assessments, hazard evaluations, and inspects equipment; communicates hazards to the team.

Oversee the drilling crew in the preparation of the rig move checklist and the setup of the drill floor, tanks, cantilever, and main deck; participate in rig move operations, ensuring removal of all pipes and obstructions before the skidding of the derrick and cantilever deck takes place.

Ensure that the work area is clean and orderly; adhere to ADES waste management procedure.

Conduct sessions for new drilling crew members, provide training programs, supervise personnel, monitor safety protocols and use of PPE, and offer guidance and coaching as needed.

Job Requirements Education & Experience

Minimum education level required : High School or Vocational / Technical education.

At least six (6) years of working experience in drilling and workover operations with reputable drilling contractors; career history showing time served as a Roustabout, Floorman and Derrickman.

Preferred to have working experience on offshore rigs.

Skills & Competencies

Working knowledge of the English language.

Advanced mathematical skills (adding, subtracting, dividing, multiplying), drilling practice, drilling fluids.

Situation awareness, communication, teamwork, performance shaping factors – stress and fatigue, inspecting work.

Physical Requirements

Ability to perform extremely heavy work.

Ability to work in extreme heights and in confined areas; constantly climbing stairs, ladders.

Constantly pushing & pulling as per Company procedure and practice.

Constantly bending, twisting and standing.

Ability to work at heights and in confined spaces.

Ability to work outdoors under all extreme weather conditions (Noise / Humidity / Cold / Heat).

Ability to work in day / night shift.

Certifications

As per ADES Training Matrix.

Valid Well Control (Well Sharp / IADC) Certificate.

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