Transocean Ltd. Reports Fourth Quarter and Full Year 2023 Results

             Three months ended     December 31,  September 30, Sequential 2023 2023 change(In millions, except per share amounts and backlog)           Contract drilling revenues$741   $713   $28  Adjusted contract drilling revenues$748   $721   $27  Revenue efficiency 97.0 %  95.4 %  1.6 %Operating and maintenance expense$569   $524   $45  Net loss attributable to controlling interest$(104)  $(220)  $116  Diluted loss per share$(0.13)  $(0.28)  $0.15              Adjusted EBITDA$122   $162   $(40) Adjuste ...