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Other Non-Current Assets (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Other Assets, Noncurrent Disclosure [Abstract] |  |
Deferred mobilization and contract preparation cost | $ 4.4 | $ 0.0
Right-of-use lease asset, non-current [extensible enumeration] | Total | Total
Right-of-use lease asset, non-current | $ 1.3 | $ 1.3
Deferred tax asset | 0.7 | 0.2
VAT receivable | 0.4 | 0.4
Prepayments | 0.1 | 0.0
Total | $ 6.9 | $ 1.9

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