Sean Gas Field

Summary Information

• Operator: Shell
• Country: UK
• Location: Southern North Sea
• Production start: 1986
• Partners: SSE
• Type: Gas
• Estimated Reserves:
• Production Volume:

Description

• The field is no longer producing gas
• The Sean Field development comprises the Sean PP gas production platform, the bridge linked Sean PD wellhead platform and the Sean RD wellhead platform located in Block 49/25a of the Southern North Sea.
• It is a cluster of three gas fields, Sean North, South and Sean East
• The Sean Papa (PD and PP) are normally attended installations (NAI), Sean RD is a not permanently attended installation (NPAI).
• The installations stand in 30 m of water approximately 109 km NE of Lowestoft.

Contractors

• -

History

• 1969 - Discovery of Sean Gas Field
• 1983 - Discovery of Sean East
• 1984 - Development approval granted for Sean North & South
• 1986 - Gas production start up
• 1994 - Approval for Sean East
• 2012 - BP Announces Sale of Non-Operated Interest in Sean to SSE PLC

Geology

• The reservoir is in the Rotliegend and is sealed by Zechstein evaporites. The reservoir is at a depth of 2560m. The reserves for the fields are 234 BCF (North), 488 BCF (South) and 127 BCF (East). The trap for all of the fields is a dip closure.

Links

1. List Of Oil and Gas Production Platforms In The UK
2. UK Oil and Gas Field Approved Decommissioning Programmes
3. BP Announces Sale of Non-Operated Interest in Sean to SSE PLC
4. An assessment of carbon sequestration potential in the UK – Southern North Sea case study