Tor Olav Troim’s Borr Drilling has completed a successful $350m trip to the bond market.

Oslo-listed Borr issued the unsecured convertible paper to help pay for five rigs from Keppel FELS shipyard.

The $745m transaction is backed by $432m in optional delivery financing and $200m in bank debt.

Rune Magnus Lundetrae, chief financial officer of Borr Drilling, explains it has previously raised $1.9bn