Factpages Norwegian petroleum directorate
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25/4-2 (Trine)

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  • General information

    General information
    Attribute Value
    Discovery name
    Discovery name used by NPD
    25/4-2 (Trine)
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    Current activity status
    Current activity status of the discovery. Legal values:"Producing" , "Production is unlikely" ,"Shut down","Production likely, but unclarified","Included in other discovery","Approved for production","Production in clarification phase","Production not evaluated","Decided for production".
    Production in clarification phase
    Discovery wellbore
    Name of the wellbore which made the discovery.
    Discovery year
    The year the discovery was made
    1973
    NPDID discovery
    NPD's unique id for discoveries
    21076955
  • Located in

    Located in
    Nation code
    Block name
    NO
    25/4
  • Owner – current (main)

    Owner – current (main)
    Owner kind
    Owner name
  • Operatorship – current

    Operatorship – current
    Company name
  • Description

    Description
    Text
    Date updated
    25/4-2 (Trine) is a discovery in the central North Sea, five kilometres east of the Heimdal field. The water depth is 120 metres. The discovery was proven in 1973. The reservoir contains oil in sandstone of Paleocene age in the Heimdal Formation, at a depth of 2,150 metres. A joint development with the 25/5-9 (Trell) discovery as a subsea tie-back to the Alvheim field is being evaluated. The plan for development and operation (PDO) is expected to be submitted medio 2022.
    19.01.2022
  • Wellbores – exploration

    Wellbores – exploration
    Wellbore name
    Entered date
    Completed date
    Purpose
    Status
    Content
    18.10.1973
    06.12.1973
    WILDCAT
    P&A
    OIL
  • Wellbores – development

    Wellbores – development
    Wellbore name
    Entered date
    Completed date
    Purpose
    Status
    Content
  • The NPD resource estimates (Norwegian share)

    The NPD resource estimates (Norwegian share)
    No estimates are given for discoveries with Resource class «Production is unlikely» (resource class code RC6).
    Resource updated date: 31.12.2021
    The NPD resource estimates (Norwegian share)
    Resource category
    Rec. oil
    [mill Sm3]
    Rec. gas
    [bill Sm3]
    Rec. NGL
    [mill tonn]
    Rec. cond.
    [mill Sm3]
    Rec. oil eq.
    [mill OE]
    4F
    3.69
    0.11
    0.00
    0.00
    3.80
    The NPD resource estimates (Norwegian share)