"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 6th generation 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.

Energy

COSL Drilling Europe AS

COSL Drilling Europe AS' headquarters in Sandnes, Norway

Frank Tollefsen

Karine Cosemans

Scott Black

Yang Jingang

Arild Stakkestad

Li Bing

The Offshore Operations team at COSL Drilling Europe AS is responsible for the efficient and safe execution of drilling activities on their semi-submersible rigs. This team comprises various specialized roles including planners, engineers, drillers, and support staff, who collaboratively ensure the operational readiness and superior performance of drilling units. Their focus is on maintaining high safety standards and seamless operations to deliver consistent and reliable drilling services across regions such as Norway, UK, Faroe Islands, and New Zealand.

Offshore Operations

The Management and Coordination Team at COSL Drilling Europe AS oversees the effective and efficient operation of the company's drilling services. This team coordinates various aspects such as financial management, contract negotiation, project oversight, personnel deployment, supply chain logistics, client relations, and overall operational management to ensure strong performance and safety standards across all drilling units.

Management and Coordination Team

The Leadership Team at COSL Drilling Europe AS is responsible for steering the company's strategic direction, ensuring operational excellence, and maintaining top-tier safety standards. Comprised of the VP Operations, CFO, CEO, and DPO/CRO, this team focuses on optimizing the performance of the four modern drilling units, navigating the energy transition, and solidifying COSL's position as the preferred drilling services supplier in multiple regions.

Leadership Team

The Maintenance and Engineering Team at COSL Drilling Europe AS is responsible for ensuring the operational efficiency and safety of the company's drilling units. This team handles the upkeep, repair, and performance monitoring of the electrical and mechanical systems on the rigs. They play a crucial role in minimizing downtime and optimizing operational performance by maintaining rigorous preventative maintenance schedules and swiftly addressing any technical issues that arise.

COSL Drilling Europe AS

Org chart

Teams

Offshore Operations

Management and Coordination Team

Leadership Team

Maintenance and Engineering Team

Offices

COSL Drilling Europe AS

Org chart

Teams

Offshore Operations

Management and Coordination Team

Leadership Team

Maintenance and Engineering Team

Offices

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