Transocean Ltd. Reports Fourth Quarter and Full Year 2019 Results

Total contract drilling revenues were $792 million (total adjusted contract drilling revenues of $839 million), compared with $784 million in the third quarter of 2019 (total adjusted contract drilling revenues of $832 million); Revenue efficiency(1) was 96.2%, compared with 97.0% in the prior quarter; Operating and maintenance expense was $575 million, compared