ADNOC Drilling Co. PJSC engages in the provision of drilling rigs and associated services. It operates through the following segments: Onshore, Offshore Jackup, Offshore Island, and Oilfield Services (OFS). The Onshore segment includes land rigs, water wells, and work over rigs deployed mainly across ADNOC Onshore. The Offshore Jackup segment owns jackups and some rentals predominantly meeting the ADNOC Offshore drilling needs. The Offshore Island segment represents the Island part of ADNOC Offshore's requirement. The OFS segment offers other services. The company was founded in 1972 and is headquartered in Abu Dhabi, the United Arab Emirates.