Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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23.12.2024 - 01:26
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25/5-A-3

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  • General information

    General information
    Attribute Value
    Wellbore name
    Official name of wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    25/5-A-3
    Type
    Wellbore type. Legal values: EXPLORATION, DEVELOPMENT, OTHER (see 'Purpose' for more information)
    DEVELOPMENT
    Purpose
    Final classification of the wellbore.

    Legal values for exploration wellbores:
    WILDCAT, APPRAISAL, WILDCAT-CCS, APPRAISAL-CCS.

    Legal values for development wellbores:
    OBSERVATION, PRODUCTION, INJECTION, INJECTION-CCS, OBSERVATION-CCS.

    Legal values for other wellbores:
    SOIL DRILLING (drilling in connection with track surveys and other subsurface surveys to investigate the soil conditions prior to placement of facilities),
    SHALLOW GAS (drilling to investigate shallow gas before the first 'real' drilling on the location),
    PILOT (drilling to investigate the geology and fluid connectors for location of the main wellbore),
    SCIENTIFIC (drilling according to Law of Scientific research and exploration),
    STRATIGRAPHIC (driling according to Law of Petroleum activities ยง2-1).
    INJECTION
    Status
    Status for the wellbore. Legal values are:

    BLOWOUT: A blowout has occurred in the well.
    CLOSED: A development wellbore that has been closed in a shorter or longer periode. Also applies to development wellbores where drilling is completed, but production/injection has not yet been reported.
    DRILLING: The well is in the drilling phase - can be active drilling, logging, testing or plugging,
    JUNKED: The drilling operation has been terminated due to technical problems.
    P&A: Exploration: The well is plugged and abandoned, and can not be reentered for further use. Development wells: The production/injection from/to the well is stopped and the well is plugged. The wellhead is removed or else made unavailable for further well operations.
    PLUGGED: The wellbore has been plugged, but the upper parts of the wellbore can be re-used. A sidetrack might be drilled at a later stage.
    PRODUCING: It was produced from the wellbore at the time of the operators last monthly report to the Norwegian Offshore Directorate.
    INJECTING: It was injected to the wellbore at the time of the operators last monthly report to the Norwegian Offshore Directorate.
    PREDRILLED: The upper part of the well has been drilled, usually as part of a batch-drilling campaign covering several wellbores.
    RE-CLASS TO DEV: Exploration wellbore that is reclassified to a development wellbore.
    RE-CLASS TO TEST: Exploration wellbore that is reclassified to test production.
    SUSPENDED: The drilling operation in the wellbore has been temporarily stopped. The current plan is to continue drilling later on.
    P&A
    Multilateral
    Indicator telling if the parent well is multilateral, meaning it has more than one branch radiating from the main borehole. Example of legal values: YES, NO. See also Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    NO
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    Main area
    Name of the area on the Norwegian Continental Shelf where the wellbore is located. Legal values: BARENTS SEA, NORWEGIAN SEA, NORTH SEA.
    NORTH SEA
    Field
    Name of the field the wellbore is related to.
    Discovery
    Name of the discovery the wellbore is related to.
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    25/5-A-3
    Production licence
    Official designation of the production licence the wellbore was drilled or planned to be drilled from ( well head posistion).
    Drilling operator
    Name of the licensee starting the drilling operation on behalf of the active production license (well head position). This will usually equal the operator of the production license.
    Elf Petroleum Norge AS
    Drill permit
    The drilling permit number together with the version of the drilling permit as stated in the drilling permit granted by the Norwegian Offshore Directorate.
    842-P
    Drilling facility
    Norwegian Offshore Directorate's name of the facility which the wellbore was drilled from.
    Production facility
    The Norwegian Offshore Directorate's name for the production facility, for development wells.
    FRร˜Y
    Drilling days
    Number of days from wellbore entry to wellbore completion.
    52
    Entered date
    The date when he wellbore was spudded. For sidetracks: The date when new formation was drilled by kicking off from the mother-wellbore,
    02.10.1993
    Completed date
    Exploration wellbores from moveable facilities:
    For floating facilities - date when anchor handling is started. For jackups - date the jacking-down started. Exploration wellbores from fixed facilities and all development wellbores:
    Date when the wellbore is at total depth, and last casing, liner or screen is set. In case of immediate plugging of the wellbore, completed date equals the date the last plug i set in the wellbore.
    Date when the wellbore is at total depth, and last casing, liner or screen is set. In case of immediate plugging of the wellbore, completed date equals the date the last plug i set in the wellbore.
    22.11.1993
    Release date
    Date when raw data which has been reported to the authorities from the wellbore is not confidential any longer. Normally 2 years after finishing the drilling. May be earlier if the area of the production license is relinquished.
    22.11.1995
    Plugged and abondon date
    Date when the P&A-operations of the wellbore was finished, as reported by the operator to the Norwegian Offshore Directorate throught DDRS (Daily Drilling Reporting System). Only applied once pr. wellhead/surface location.
    03.12.2000
    Purpose - planned
    Pre-drill purpose of the wellbore. Legal values for exploration wellbores: WILDCAT, APPRAISAL, WILDCAT-CCS, APPRAISAL-CCS. Example of legal values for development wellbores: OBSERVATION, PRODUCTION, INJECTION.
    INJECTION
    Content
    For exploration wellbores, status of discovery.

    Legal values:
    DRY, SHOWS (trace amounts of hydrocarbons), GAS, GAS/CONDENSATE, OIL or OIL/GAS.
    SHOWS (GAS SHOWS, OIL SHOWS or OIL/GAS SHOWS) are detected as fluorescent cut (organic extract), petroleum odour, or visual stain on cuttings or cores, or as increased gas reading on the mud-loggers gas detection equipment.
    Legal values for WILDCAT-CCS and APPRAISAL-CCS: WATER

    For development wellbores, type of produced/injected fluid.
    Legal values:
    WATER, CUTTINGS, NOT AVAILABLE, OIL, GAS/CONDENSATE, OIL/GAS, CO2, GAS, WATER/GAS, NOT APPLICABLE.
    WATER
    Discovery wellbore
    Indicator which tells if the wellbore made a new discovery. Legal values: YES, NO. Prior to press-release or other information regarding drilling results, the indicator will be โ€œNOโ€ as a default.
    NO
    Kelly bushing elevation [m]
    Elevation of the rotary kelly bushing (RKB) above mean sea level.
    26.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    120.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    3675.0
    Final vertical depth (TVD) [m RKB]
    Vertical elevation from total depth to kelly bushing. Shown only for released wells. Referred to as true vertical depth (TVD).
    3428.0
    Oldest penetrated age
    Age (according to Geologic Time Scale 2004 by F. M. Gradstein, et al. (2004)) of the oldest penetrated formation. May differ from age at TD for example in deviated wellbores. Examples of legal values: CRETACEOUS, EARLY CRETACEOUS, LATE JURASSIC, EARLY PERMIAN, EARLY TRIASSIC, EOCENE.
    EARLY JURASSIC
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    59ยฐ 44' 3'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    2ยฐ 33' 28'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    6622043.67
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    475135.13
    UTM zone
    Universal Transverse Mercator zone. Examples of legal values: 31, 32, 33, 34.
    31
    NPDID wellbore
    Norwegian Offshore Directorate's unique id for the wellbore.
    2198
  • Cuttings at the Norwegian Offshore Directorate

    Cuttings at the Norwegian Offshore Directorate
    Cuttings available for sampling?
    YES
    Cuttings at the Norwegian Offshore Directorate
    Cutting sample, top depth [m]
    Cutting samples, bottom depth [m]
    240.00
    3672.00
  • Cores at the Norwegian Offshore Directorate

    Cores at the Norwegian Offshore Directorate
    Core sample number
    Core sample - top depth
    Core sample - bottom depth
    Core sample depth - uom
    1
    3408.0
    3418.3
    [m ]
    2
    3418.3
    3433.9
    [m ]
    3
    3437.0
    3447.0
    [m ]
    4
    3460.0
    3472.0
    [m ]
    5
    3472.0
    3499.4
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    75.3
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES
  • Core photos

    Core photos
    Core photo at depth: 3408-3413m
    Core photo at depth: 3413-3418m
    Core photo at depth: 3418-3418m
    Core photo at depth: 3418-3423m
    Core photo at depth: 3423-3428m
    3408-3413m
    3413-3418m
    3418-3418m
    3418-3423m
    3423-3428m
    Core photo at depth: 3428-3433m
    Core photo at depth: 3433-3434m
    Core photo at depth: 3437-3442m
    Core photo at depth: 3442-3447m
    Core photo at depth: 3460-3465m
    3428-3433m
    3433-3434m
    3437-3442m
    3442-3447m
    3460-3465m
    Core photo at depth: 3465-3470m
    Core photo at depth: 3470-3472m
    Core photo at depth: 3472-3477m
    Core photo at depth: 3477-3482m
    Core photo at depth: 3482-3487m
    3465-3470m
    3470-3472m
    3472-3477m
    3477-3482m
    3482-3487m
    Core photo at depth: 3487-3492m
    Core photo at depth: 3492-3497m
    Core photo at depth: 3497-3499m
    Core photo at depth: 3499-3504m
    Core photo at depth:  
    3487-3492m
    3492-3497m
    3497-3499m
    3499-3504m
  • Palynological slides at the Norwegian Offshore Directorate

    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    3408.0
    [m]
    C
    APT
    3408.7
    [m]
    C
    APT
    3409.7
    [m]
    C
    APT
    3410.2
    [m]
    C
    APT
    3410.4
    [m]
    C
    APT
    3414.3
    [m]
    C
    APT
    3423.8
    [m]
    C
    APT
    3426.4
    [m]
    C
    APT
    3427.1
    [m]
    C
    APT
    3429.9
    [m]
    C
    APT
    3430.7
    [m]
    C
    APT
    3431.3
    [m]
    C
    APT
    3432.0
    [m]
    C
    APT
    3432.3
    [m]
    C
    APT
    3432.6
    [m]
    C
    APT
    3433.0
    [m]
    C
    APT
    3433.0
    [m]
    C
    APT
    3433.9
    [m]
    C
    APT
    3437.2
    [m]
    C
    APT
    3437.8
    [m]
    C
    APT
    3438.2
    [m]
    C
    APT
    3438.4
    [m]
    C
    APT
    3439.0
    [m]
    C
    APT
    3439.2
    [m]
    C
    APT
    3439.4
    [m]
    C
    APT
    3441.0
    [m]
    C
    APT
    3441.2
    [m]
    C
    APT
    3441.4
    [m]
    C
    APT
    3442.6
    [m]
    C
    APT
    3442.7
    [m]
    C
    APT
    3443.5
    [m]
    C
    APT
    3443.6
    [m]
    C
    APT
    3444.5
    [m]
    C
    APT
    3445.8
    [m]
    C
    APT
    3445.9
    [m]
    C
    APT
    3445.9
    [m]
    C
    APT
    3446.0
    [m]
    C
    APT
    3446.2
    [m]
    C
    APT
    3460.7
    [m]
    C
    APT
    3460.9
    [m]
    C
    APT
    3465.1
    [m]
    C
    APT
    3467.6
    [m]
    C
    APT
    3469.6
    [m]
    C
    APT
    3469.7
    [m]
    C
    APT
    3470.4
    [m]
    C
    APT
    3471.3
    [m]
    C
    APT
    3472.7
    [m]
    C
    APT
    3473.9
    [m]
    C
    APT
    3474.2
    [m]
    C
    APT
    3475.8
    [m]
    C
    APT
    3476.2
    [m]
    C
    APT
    3476.4
    [m]
    C
    APT
    3476.5
    [m]
    C
    APT
    3477.0
    [m]
    C
    APT
    3478.3
    [m]
    C
    APT
    3478.4
    [m]
    C
    APT
    3478.9
    [m]
    C
    APT
    3479.7
    [m]
    C
    APT
    3480.0
    [m]
    C
    APT
    3481.2
    [m]
    C
    APT
    3481.3
    [m]
    C
    APT
    3481.4
    [m]
    C
    APT
    3481.5
    [m]
    C
    APT
    3482.0
    [m]
    C
    APT
    3482.4
    [m]
    C
    APT
    3482.5
    [m]
    C
    APT
    3482.6
    [m]
    C
    APT
    3482.7
    [m]
    C
    APT
    3483.0
    [m]
    C
    APT
    3483.0
    [m]
    C
    APT
    3484.0
    [m]
    C
    APT
    3487.0
    [m]
    C
    APT
    3491.0
    [m]
    C
    APT
    3495.0
    [m]
    C
    APT
    3498.2
    [m]
    C
    APT
    3499.0
    [m]
    C
    APT
    3501.4
    [m]
    C
    APT
    3502.0
    [m]
    C
    APT
    3503.8
    [m]
    C
    APT