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Assistant Driller / Assistent Borer
COSL Drilling Europe AS
Vestre Svanholmen 4
11. august 2024

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Join the fastest-growing rig company in the North Sea!

COSL Drilling Europe, a safe and efficient drilling contractor dedicated to delivering on the energy transition with its cutting-edge, low-emission drilling rigs, is currently seeking skilled and motivated Assistant Drillers to join our team.

By 2025, our ambition is to provide climate-neutral drilling services and set a new market standard.

Our rig portfolio has a proven track record of having the most efficient and best performing rigs in the North Sea, with Energy Control Systems already delivering substantial CO2 and NOx reductions. The rigs are compact, with low PoB and operated by a highly competent and experienced team. We are certified with the ISO 14001 Environmental Management standard and the ISO 50001 Energy Management System standard and continuously invest in technology and competence that reduce emissions and bring long-term value creations for our customers and society.

The Assistant Driller`s tasks and responsibilities are, but not limited to, following:

  • Assist the Driller in operating the drilling equipment in accordance with operational procedures.
  • Ensure that the standpipe, choke and kill manifold are properly lined up and that the diverter valves operate properly, as advised by the Driller.
  • Ensure that all received instruction in writing or verbally are fully understood and adhered to.
  • Hold pre job meetings with relevant personnel before start-up of new jobs.
  • Ensure that maintenance is carried out within his/her area of responsibility and in accordance with the planned maintenance program, as advised by the Driller.
  • Ensure that good housekeeping is maintained in drilling areas.
  • Ensure updated tally records.
  • Ensure that necessary equipment is available for ongoing/upcoming operation as required.

Suitable applicants should ideally have:

  • Passed a vocational training programme acc. to NOG024 within Drilling & Well Technology, or other similar studies with specialization in Mechanical / Hydraulic or Electrical vocational studies, followed by Technical College Petroleum
  • Relevant experience
  • Fit to work offshore
  • Basic Safety Training - NOG
  • Offshore Medical Certificate
  • OGP L3 -IWCF Certificate Driller
  • Chemical Handling - basic knowledge
  • Work Permit & Safe Job Analysis
  • P-2.4 Simple Lifting devices
  • Fork Lift Operator Certificate T 1 & T4
  • G20 Knuckle Boom Crane Cert.
  • G11 Slinger
  • ISPS Designated Security Duties

What We Offer:

  • State-of-the-Art Drilling Rigs: Our commitment to innovation means you'll be working with cutting-edge, modern drilling rigs equipped with the latest technology. Be part of a team that pushes boundaries and sets industry standards.
  • Exceptional Working Environment: We understand that your work environment significantly impacts your job satisfaction. That's why we ensure a safe, inclusive, and collaborative workplace where your contributions are valued, and your growth is supported.
  • Career Development Opportunities: We invest in our employees' growth and development. From specialized training programs to advancement opportunities.
  • Safety First: Your safety is our priority. We adhere to the highest safety standards, providing extensive training and resources to ensure you work in a secure environment.
  • Gourmet Food and Facilities Onboard: We believe that great food and well-maintained facilities are essential for a healthy work-life balance. Enjoy delicious meals prepared by our onboard chefs and access to top-notch facilities during your time on the rigs.

COSL Drilling Europe is an equal opportunity employer.

Only applications through the system will be considered. Candidates will be screened for interview immediately, so please register at the earliest opportunity.

Om arbeidsgiver

Always do better is our guiding principle leading us through the energy transition and towards our vision of becoming the preferred supplier of drilling services. We are known for having the most efficient drilling units and a strong safety performance and culture. COSL Drilling Europe was established in 2005, and has its head office located in Stavanger, Norway. Today we operate four modern drilling units. We have a solid owner with stable ratings in China Oilfield Services Limited, listed at the Shanghai Stock Exchange, with ambitions to strengthen its foothold in the North Sea. Our four semi-submersible drilling rigs were delivered from the yard respectively in November 2010 (COSLPioneer), November 2011 (COSLInnovator), May 2012 (COSLPromoter) and November 2014 (COSLProspector). The first drilling operations started in Norway in August 2011 and COSL Drilling Europe has since then been in continuous operation drilling and completing wells in Norway, UK, Faroe Islands and New Zealand. The drilling units are of a similar design and have all proven strong and consistent performance deliveries. Our rig portfolio has a proven track record of having the most efficient and best-performing rigs in the North Sea. COSL is setting a new standard in the North Sea with its energy efficiency. Our ambition is to deliver carbon neutral drilling operations within 2025.


Ole Grimstad

HR Manager
+4795433731 / +4751950966

Heidi Gabrielsen

Sr. Advisor