Assistant Driller

July 16, 2025

Job Description

Transocean

GENERAL DUTIES:

Operations/Maintenance:

  • Perform the drilling department’s daily checklists, i.e. QHSE checks, Derrick inspection, choke and mud manifold line ups, etc.
  • Maintain accurate BHA record of tubular and tool dimensions (i.e. internal and external diameter, fish neck, handling profiles and serial numbers etc.).
  • Calculate ton-miles on drilling line; maintain an accurate logbook and advise the Driller on the need to slip and cut.
  • Maintain an organized drilling equipment store and tubular and subs inventory.
  • Maintain proper communication with the Driller, Toolpusher, and other department heads.
  • Read and interpret various gauges and meters relating to the drilling operations; assist the Driller in maintaining records and logs.
  • Actively participate in pre-tour meeting with the drilling crew for all drilling operations.
  • Assist and relieve the Driller at the Driller’s console during drilling operations.
  • Assist with the preparation of equipment for impending drilling operations.
  • Organize and supervise the drilling crews for all operations.
  • Assist the Driller during an emergency or well control situation; assist in the well killing operations.
  • Assist in supervision of Preventive Maintenance carried out on drilling equipment.
  • Assist in supervision of repairs on drilling and associated equipment.
  • Assist in running and cementing casing strings, running and retrieving BOPs and risers, and other operations as directed by the Driller or Toolpusher.
  • Monitor mud systems and supervise solids control equipment and mud mixing operation.
  • Assist in the planning, organization and execution of rig move operations.
  • Operate drilling and associated equipment as directed by the Driller, i.e. Top Drive System, mud pumps, BOP and Diverter controls, etc.
  • Know the clients’ rules and Company procedures for well control and blowout prevention.
  • Incorporate the THINK process into all tasks, whether working alone or as part of a team.
  • Participate daily in START process.
  • Ensure subordinate personnel are properly trained in the START process.
  • Call a Time Out for Safety (TOFS) whenever an unplanned hazard or a change in the expected results is observed.
  • Ensure all relevant safety procedures and practices are adhered to during drilling operations, in accordance to the Company QHSE manual.
  • Report any incidents, potential hazards or abnormal situations to the Driller or Toolpusher.
  • Actively participate in weekly safety meetings and pre-tour meetings as required, FOCUS Improvement Process, and all other Company safety management systems.
  • Assist in conducting drilling operations safety drills as and when required.
  • Demonstrate commitment to the Company’s safety policies through leadership and guidance.
  • Ensure that a high standard of hygiene and housekeeping is maintained onboard the rig.
  • Meet the training requirements according to the applicable training matrix.
  • Participate in the annual performance appraisal process.
  • Mentor, coach, develop and train crew members to ensure that they are competent to work at their next job level.
  • Provide leadership and motivation to rig personnel; Apply continuous improvement process.
  • Assist in training to ensure that all personnel are competent to perform their allocated jobs.
  • Promote and maintain a good working relationship with other departments, third-party personnel and Customer Representatives.
  • Promote and maintain a good working relationship with other departments, third-party personnel and Customer Representatives.
  • Assist the Driller with the operation during the running and retrieving of marine risers, BOP and auxiliary equipment.

Personnel:

  • Promote and maintain good working relationships with other departments, third-party personnel and Customer representatives.
  • Ensure all Drilling personnel meet the training requirements as per their applicable training matrix.
  • Mentor, coach, develop and train crew members to ensure they are competent to work at their next job level.
  • Provide leadership and motivation to the drilling crews. Apply continuous improvement process.
  • Assist in training to ensure that all personnel are competent to perform their allocated jobs.
  • Participate fully in the annual performance appraisal process.
  • Apply appropriate accountability regarding recognition; recommend promotion or disciplinary action up to and including discharge.