Tommeliten A Oil and Gas Field

Summary Information

• Operator: ConocoPhillips
• Country: Norway
• Location: southern part of the Norwegian sector in the North Sea
• Production start: Expected 2024
• Partners: PGNiG - 42.2%, ConocoPhillips 49.2%, TotalEnergies 20.2%, Vår Energi 9.1%
• Type: Oil / Gas
• Estimated Reserves: 80-180 million barrels oil equivalent
• Production Volume:

Description

• The field is located on the border to the UK sector and the Norwegian share of the field is 99.57 per cent. The water depth is 75 metres. Tommeliten A was proven in 1977 and the plan for development and operation (PDO) was approved in July 2022.
• The development concept is a two-by-six slot subsea production system (SPS) with ten production wells and an electrically heated flowline, tied into the Ekofisk Complex, including installation of a new processing module.

Contractors

• Aker Solutions
  • Engineering, procurement, construction, and installation (EPCI) work for topside modifications
  • Subsea production system as well as umbilicals and direct electrical heating (DEH) systems

History

• 1977 - Tommeliten A discovered
• 2018 - PGNIG acquired a stake from Equinor
• 2021 - Contracts awarded
• 2022 - PDO and UK approval granted
• 2023 - Tommeliten Alpha starts production

Geology

• The reservoir contains gas condensate and volatile oil in chalk in the Paleocene Ekofisk Formation and Upper Cretaceous Tor Formation at a depth of about 3000 metres. The reservoir qualities vary across both formations and are affected by faults and fractures

Links

1. NPD
2. UK Oil and Gas Fields by Approval Date
3. PGNiG to buy Tommeliten Alpha interest from Equinor
4. ConocoPhillips Skandinavia AS Submits Tommeliten A Plan for Development and Operation
5. Aker Solutions Wins Topside Modification Contract for ConocoPhillips’ Tommeliten Alpha Development
6. Tommeliten A Plan for Development and Operation Approved
7. Ready for Tommeliten A start-up