Rigs and VesselsAbu Dhabi giant Adnoc Drilling lines up extra $1 billion spend to grow rig fleetAdnoc Drilling’s net profit soared to $802 million in 2022, up 33% year on yearFleet plans: Adnoc Drilling chief executive Abdulrahman Abdulla Al Seiari.Photo: ADNOC DRILLINGNishant UgalNew Delhi