Page 14: of Offshore Engineer Magazine (Sep/Oct 2025)

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MARKETS RIGS © Kalyakan / Adobe Stock

FROM REGIONAL CHAMPION

TO GLOBAL POWERHOUSE:

Inside ADES-Shelf

Drilling Fleet Merger

ADES is the largest jackup drilling contractor globally, with 44 rigs owned, and four under its management, and a feet valued at $1.98 - $2.2 billion. Shelf Drilling, also among the TOP 5 jackup drilling contractors, has a modern 32-rig competitive feet valued at $1.42 - $1.57 billion. Now, through a NOK 3.9 billion ($380 million) all- cash transaction, the two are forming a combined entity that not only redefnes scale but marks a shif in global ofshore drilling power.

By Sofa Forestieri, Senior Analyst at Esgian 14 OFFSHORE ENGINEER OEDIGITAL.COM