Awilco Drilling has been unsuccessful in its appeal against Her Majesty’s Revenue and Customs (HMRC) over a £6.8 million tax bill.
Awilco Drilling has sunk to losses of £10.6million in the first half of 2020 amid separate disputes with rig builder Keppel Fels and HMRC.
A pair of oil rigs lying idle in Invergordon sank Awilco Drilling to losses of £7.5million in the first quarter of 2020.
Awilco Drilling has reported a set of losses as one of its two rigs has remained unused for nearly four years running.
North Sea driller Awilco stayed in the red in its first quarter results as the hunt for work continues for one of its two rigs.
Awilco Drilling has seen profits increase in the third quarter of 2015, but warned rig layup was likely to increase next year.