# Heidrun (Hull B381) → ADNOC Drilling

> KFELS B Class premium jackup drilling rig

One of five KFELS B Class jackups Keppel FELS was building for Borr Drilling under a May 2018 master agreement. In 2022 Borr sold Heidrun together with Tivar and Huldra for US$320M; the construction contracts were novated to ADNOC Drilling. Delivered to ADNOC and now operating in the Arabian Gulf under a ten-year charter, part of a US$2bn five-rig contract package. ENGIC executed during the initial process phase.

- Division: Trading
- Contract type: Direct
- ENGIC role: Direct contract — initial process valve works to Keppel FELS, 2019–2020
- End operator: Borr Drilling → sold to ADNOC Drilling (2022)
- Contracting party: Keppel FELS Limited
- Location: Built Keppel FELS Singapore; deployed Arabian Gulf
- Span: 2019–2023
- Asset status: Operating — Arabian Gulf
- Parent project value (overall project, not ENGIC revenue): Part of US$320M three-rig ADNOC sale
- Categories: Valve Systems, Jackup Rig Newbuild & Repair, Safety & Relief Valve Systems

## Sources

- [Splash247 — Borr's US$320M three-rig sale](https://splash247.com/borr-drilling-to-sell-three-rigs-for-320m/)
- [Borr Drilling 20-F](https://www.sec.gov/Archives/edgar/data/1715497/000162828024013209/borr-20231231.htm)
- [Keppel — first ADNOC novated delivery](https://www.keppel.com/media/keppel-om-delivers-first-of-three-jackup-rigs-novated-by-borr-driling-to-adnoc-drilling/)
- [Borr Drilling 20-F — Huldra & Heidrun sold](https://www.sec.gov/Archives/edgar/data/1715497/000162828024013209/borr-20231231.htm)
- [Rigzone — Seatrium delivers to ADNOC](https://www.rigzone.com/news/seatrium_delivers_second_jackup_rig_to_adnoc-29-aug-2023-173814-article/)

HTML page: https://engic.ltd/project-credits/heidrun-hull-b381-adnoc-drilling