Coiled-tubing technology is commonly used in well servicing to deliver effective solutions in the oil and gas industry. However, coiled tubing is extremely versatile and may be used to deliver cost-effective solutions in many applications outside of well intervention. This paper details the planning, design, and execution of a project involving the core drilling of three wellbores using coiled-tubing directional drilling along the future Rogfast tunnel route on the Norwegian coast. The project obtained core samples to verify rock quality before tunnel drilling.
Introduction
The Norwegian government is enhancing the connectivity of its road network by building a road connecting Stavanger to Bergen.
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