Borr Drilling, backed by shipping tycoon Tor Olav Troim, has tapped international bond investors to raise $1.54bn to help repay debt.

The offering included $1bn worth of five-year senior secured bonds with a coupon of 10% and a further $515m worth of seven-year senior secured bonds with a coupon of 10.375%.

The Oslo and New York-listed company has also raised a further $50m from the private placement of 7.5m