Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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26.11.2024 - 01:27
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3/7-6

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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.
    3/7-6
    Type
    Wellbore type. Legal values: EXPLORATION, DEVELOPMENT, OTHER (see 'Purpose' for more information)
    EXPLORATION
    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 §2-1).
    WILDCAT
    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
    Factmaps in new window
    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
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    3/7-6
    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.
    A/S Norske Shell
    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.
    862-L
    Drilling facility
    Norwegian Offshore Directorate's name of the facility which the wellbore was drilled from.
    Drilling days
    Number of days from wellbore entry to wellbore completion.
    54
    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,
    08.10.1996
    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.
    30.11.1996
    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.
    30.11.1998
    Publication date
    Date quality control of the wellbore information was completed, so it can be published on the internet as a 'Well Data Summary Sheet' wellbore with more information available than other wellbores.
    02.04.2007
    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.
    WILDCAT
    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.
    SHOWS
    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 “NO” as a default.
    NO
    Kelly bushing elevation [m]
    Elevation of the rotary kelly bushing (RKB) above mean sea level.
    23.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    64.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    4120.0
    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).
    4109.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    13.3
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    130
    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.
    LATE JURASSIC
    Oldest penetrated formation
    Name of the oldest lithostratigraphic unit penetrated by the wellbore. Shown only for released wells. In most wellbores this is formation or group at total depth. May differ from formation or group at TD for example in wellbores drilled with high deviation or through faults. Examples of legal values: AMUNDSEN FM, BALDER FM, BASEMENT, BLODØKS FM, BRYNE FM, BURTON FM, COOK FM, DRAKE FM, DRAUPNE FM, EKOFISK FM, DUNLIN GP.
    HAUGESUND FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    56° 25' 49.44'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    4° 18' 2.98'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    6254881.46
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    580227.12
    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.
    2891

  • Wellbore history
    General
    Well 3/7-6 is located ca 4 km east-northeast of the Trym Field close to the boarder to Denmark. The objective was to test the hydrocarbon potential of the Farsund Formation sandstones in the "Spekkhugger" prospect, a stratigraphic trap.
    Operations and results
    Wildcat well 3/7-6 was spudded with the semi-submersible installation Mærsk Jutlander on 8 October 1996 and drilled to TD at 4120 m in the Late Jurassic Haugesund Formation. The hole was drilled with less than 2 deg deviation down to 3370 m where deviation suddenly increased to around 10 deg with a maximum of 13.3 deg at 3750 m. Otherwise the well was drilled without significant technical problems. The mud used was seawater/spud mud down to 1105 m, Barasilc (sodium silicate) mud from 1105 m to 3425 m, and KCl/polymer mud from 3425 m to TD.
    The well encountered the top Jurassic, Farsund Formation at 3439 m and the underlying Haugesund Formation at 4050 m. Four units of sandstones with good porosities were encountered between 3469 and 4050 m in the Farsund Formation. Weak to moderate hydrocarbon shows were observed in ditch cuttings and on core samples between 3621 and 4030 m, but the formations were evaluated as water bearing.
    A 10.4 metre spot core was recovered from 3640 to 3650.44 m. Three segregated MDT samples were taken at 3478 m. They contained water with traces of gas.
    The well was plugged and permanently abandoned on 30 November 1996 as a dry hole with shows.
    Testing
    No drill stem test was performed.

  • 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]
    1110.00
    4120.00

  • 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
    3640.0
    3650.4
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    10.4
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 3640-3645m
    Core photo at depth: 3645-3650m
    Core photo at depth: 3650-3651m
    Core photo at depth:  
    Core photo at depth:  
    3640-3645m
    3645-3650m
    3650-3651m

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    CST
    3442
    4109
    LDL CNL FMS GR CAL
    3427
    4106
    MDT GR
    3469
    3602
    MDT GR
    3612
    3743
    MWD LWD - GR RES DIR
    152
    4120
    NGT DLL MSFL DSI CAL
    3427
    4118
    VSP GR
    2800
    4120

  • Lithostratigraphy

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    0.15
    pdf
    0.58
    pdf
    0.30
    pdf
    3.51

  • Documents – reported by the production licence (period for duty of secrecy expired)
    Documents – reported by the production licence (period for duty of secrecy expired)
    Document name
    Document format
    Document size [MB]
    pdf
    42.11

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    1680.0
    [m]
    DC
    RRI
    1720.0
    [m]
    DC
    RRI
    1760.0
    [m]
    DC
    RRI
    1800.0
    [m]
    DC
    RRI
    1840.0
    [m]
    DC
    RRI
    1880.0
    [m]
    DC
    RRI
    1920.0
    [m]
    DC
    RRI
    1960.0
    [m]
    DC
    RRI
    1990.0
    [m]
    DC
    RRI
    2020.0
    [m]
    DC
    RRI
    2060.0
    [m]
    DC
    RRI
    2100.0
    [m]
    DC
    RRI
    2130.0
    [m]
    DC
    RRI
    2160.0
    [m]
    DC
    RRI
    2190.0
    [m]
    DC
    RRI
    2220.0
    [m]
    DC
    RRI
    2250.0
    [m]
    DC
    RRI
    2280.0
    [m]
    DC
    RRI
    2310.0
    [m]
    DC
    RRI
    2340.0
    [m]
    DC
    RRI
    2360.0
    [m]
    DC
    RRI
    2400.0
    [m]
    DC
    RRI
    2430.0
    [m]
    DC
    RRI
    2460.0
    [m]
    DC
    RRI
    2500.0
    [m]
    DC
    RRI
    2540.0
    [m]
    DC
    RRI
    2580.0
    [m]
    DC
    RRI
    2620.0
    [m]
    DC
    RRI
    2660.0
    [m]
    DC
    RRI
    2680.0
    [m]
    DC
    RRI
    2700.0
    [m]
    DC
    RRI
    2740.0
    [m]
    DC
    RRI
    2760.0
    [m]
    DC
    RRI
    2780.0
    [m]
    DC
    RRI
    2810.0
    [m]
    DC
    RRI
    2850.0
    [m]
    DC
    RRI
    2870.0
    [m]
    DC
    RRI
    3447.0
    [m]
    DC
    GEOCH
    3450.0
    [m]
    DC
    GEOCH
    3457.0
    [m]
    DC
    GEOCH
    3462.0
    [m]
    DC
    GEOCH
    3481.0
    [m]
    DC
    GEOCH
    3519.0
    [m]
    DC
    GEOCH
    3558.0
    [m]
    DC
    GEOCH
    3564.0
    [m]
    DC
    GEOCH
    3570.0
    [m]
    DC
    GEOCH
    3579.0
    [m]
    DC
    GEOCH
    3585.0
    [m]
    DC
    GEOCH
    3594.0
    [m]
    DC
    GEOCH
    3606.0
    [m]
    DC
    GEOCH
    3615.0
    [m]
    DC
    GEOCH
    3627.0
    [m]
    DC
    GEOCH
    3639.0
    [m]
    DC
    GEOCH
    3640.0
    [m]
    C
    GEOCH
    3642.0
    [m]
    C
    GEOCH
    3644.0
    [m]
    C
    GEOCH
    3647.0
    [m]
    SWC
    GEOCH
    3647.0
    [m]
    C
    GEOCH
    3657.0
    [m]
    DC
    GEOCH
    3666.0
    [m]
    DC
    GEOCH
    3673.0
    [m]
    DC
    GEOCH
    3675.0
    [m]
    DC
    GEOCH
    3684.0
    [m]
    DC
    GEOCH
    3693.0
    [m]
    DC
    GEOCH
    3702.0
    [m]
    DC
    GEOCH
    3711.0
    [m]
    DC
    GEOCH
    3720.0
    [m]
    DC
    GEOCH
    3729.0
    [m]
    DC
    GEOCH
    3738.0
    [m]
    DC
    GEOCH
    3747.0
    [m]
    DC
    GEOCH
    3747.0
    [m]
    SWC
    GEOCH
    3753.0
    [m]
    DC
    GEOCH
    3762.0
    [m]
    DC
    GEOCH
    3771.0
    [m]
    DC
    GEOCH
    3777.0
    [m]
    SWC
    GEOCH
    3789.0
    [m]
    DC
    GEOCH
    3798.0
    [m]
    DC
    GEOCH
    3807.0
    [m]
    DC
    GEOCH
    3816.0
    [m]
    DC
    GEOCH
    3825.0
    [m]
    DC
    GEOCH
    3834.0
    [m]
    DC
    GEOCH
    3855.0
    [m]
    DC
    GEOCH
    3864.0
    [m]
    DC
    GEOCH
    3866.0
    [m]
    SWC
    GEOCH
    3879.0
    [m]
    DC
    GEOCH
    3888.0
    [m]
    DC
    GEOCH
    3897.0
    [m]
    DC
    GEOCH
    3906.0
    [m]
    DC
    GEOCH
    3911.0
    [m]
    SWC
    GEOCH
    3915.0
    [m]
    DC
    GEOCH
    3924.0
    [m]
    DC
    GEOCH
    3933.0
    [m]
    DC
    GEOCH
    3945.0
    [m]
    DC
    GEOCH
    3950.0
    [m]
    DC
    GEOCH
    3951.0
    [m]
    DC
    APT
    3954.0
    [m]
    DC
    APT
    3954.0
    [m]
    DC
    APT
    3960.0
    [m]
    DC
    APT
    3960.0
    [m]
    DC
    GEOCH
    3966.0
    [m]
    DC
    APT
    3969.0
    [m]
    DC
    GEOCH
    3972.0
    [m]
    DC
    APT
    3975.0
    [m]
    DC
    APT
    3978.0
    [m]
    DC
    APT
    3978.0
    [m]
    DC
    GEOCH
    3984.0
    [m]
    DC
    APT
    3987.0
    [m]
    DC
    GEOCH
    3993.0
    [m]
    SWC
    GEOCH
    3993.0
    [m]
    DC
    APT
    3996.0
    [m]
    DC
    GEOCH
    3998.0
    [m]
    DC
    APT
    4005.0
    [m]
    DC
    APT
    4014.0
    [m]
    DC
    APT
    4015.0
    [m]
    DC
    GEOCH
    4023.0
    [m]
    DC
    GEOCH
    4023.0
    [m]
    DC
    APT
    4032.0
    [m]
    DC
    APT
    4032.0
    [m]
    DC
    GEOCH
    4041.0
    [m]
    DC
    GEOCH
    4041.0
    [m]
    DC
    APT
    4050.0
    [m]
    DC
    GEOCH
    4051.5
    [m]
    SWC
    GEOCH
    4053.0
    [m]
    DC
    APT
    4059.0
    [m]
    DC
    GEOCH
    4062.0
    [m]
    DC
    APT
    4068.0
    [m]
    DC
    GEOCH
    4074.0
    [m]
    DC
    APT
    4077.0
    [m]
    DC
    GEOCH
    4078.0
    [m]
    SWC
    GEOCH
    4083.0
    [m]
    DC
    APT
    4086.0
    [m]
    DC
    GEOCH
    4092.0
    [m]
    DC
    APT
    4094.5
    [m]
    SWC
    GEOCH
    4095.0
    [m]
    DC
    GEOCH
    4095.0
    [m]
    DC
    APT
    4104.0
    [m]
    DC
    GEOCH
    4110.0
    [m]
    DC
    APT
    4113.0
    [m]
    DC
    APT
    4113.0
    [m]
    DC
    GEOCH
    4120.0
    [m]
    DC
    APT