Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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6407/10-1

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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.
    6407/10-1
    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
    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.
    NORWEGIAN SEA
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    6407/10-1
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    NH 8604 - 185 SP. 1180
    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.
    Norsk Hydro Produksjon 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.
    541-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.
    44
    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,
    07.05.1987
    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.
    19.06.1987
    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.
    19.06.1989
    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.
    02.03.2004
    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
    Reentry
    Status whether the wellbore has been re-entered (YES) or not (NO). Re-entered wellbores are not included in the count when wellbores are presented in statistical overviews.
    NO
    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.
    GAS 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.
    343.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    3347.0
    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).
    3346.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    4.1
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    120
    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 TRIASSIC
    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.
    GREY BEDS (INFORMAL)
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    64° 13' 40.66'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    7° 11' 29.81'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7123840.08
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    412273.83
    UTM zone
    Universal Transverse Mercator zone. Examples of legal values: 31, 32, 33, 34.
    32
    NPDID wellbore
    Norwegian Offshore Directorate's unique id for the wellbore.
    1054

  • Wellbore history
    General
    Block 6407/10 is an oil prone part of the Halten Terrace. Well 6407/10-1 is located immediately to the south of the Njord Field in block 6407/7, on compartment B1 of the B-structure. The B-structure is down faulted relative to the Frøya High in south-southeast and to the A-structure in block 6407/7 to the west. The structure is dipping into a small, deep basin to the north. The main objectives of the well were to test hydrocarbon potential of the Garn, Ile and Ti1je Formations in the B-structure. Further objectives were to test the geological model and to calibrate the seismic interpretation and horizon identification. The well location was chosen to penetrate the target reservoir with an up-dip of less than 15-30x10 6 sm3 oil in place, and to penetrate the Tilje Formation within the expected depth range of the oil-water contact in the Ti1je Formations in the A-structure.
    Operations and results
    Wildcat well 6407/10-1 was spudded 7 may 1987 by Polar Frontier Drilling semi-submersible rig Polar Pioneer and drilled to TD at 3347 m in the Triassic Grey Beds. Due to a shallow gas risk, the well was drilled without riser and logged with MWD down to 1100 m. The prognosed shallow gas levels were drilled without problems and only small peaks on the log indicated sand with a certain gas saturation. The 20" casing was skipped and 13 3/8" casing was set directly. The well was drilled with seawater and hi-vis pills down to 1117 m and with KCl mud from 1117 m to TD.
    The well was water bearing with a possible small amount of gas in the upper part of Ti1je Fm. Some shows were recorded in the Ile Formation. The Formation pressures encountered showed that the A and B compartments of the Njord Field are not in communication. Five cores were cut in the intervals 2582 - 2610 m (Rogn Formation), 2748 - 2776 m (Not Formation), 2817 - 2845 m (Ile Formation), 2845.5 - 2873.5 m (Ile / Ror Formation), and 2983 - 3011 m (Tilje Formation).
    The well was permanently abandoned on 19 June 1987 at as a dry hole.
    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]
    1100.00
    3345.00

  • 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
    2582.0
    2610.0
    [m ]
    2
    2748.0
    2776.0
    [m ]
    3
    2817.0
    2845.0
    [m ]
    4
    2845.0
    2872.9
    [m ]
    5
    2983.0
    3011.0
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    139.9
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 2582-2587m
    Core photo at depth: 2587-2592m
    Core photo at depth: 2592-2597m
    Core photo at depth: 2597-2602m
    Core photo at depth: 2602-2607m
    2582-2587m
    2587-2592m
    2592-2597m
    2597-2602m
    2602-2607m
    Core photo at depth: 2607-2610m
    Core photo at depth: 2748-2753m
    Core photo at depth: 2753-2758m
    Core photo at depth: 2758-2763m
    Core photo at depth: 2763-2768m
    2607-2610m
    2748-2753m
    2753-2758m
    2758-2763m
    2763-2768m
    Core photo at depth: 2768-2773m
    Core photo at depth: 2773-2774m
    Core photo at depth: 2817-2822m
    Core photo at depth: 2822-2827m
    Core photo at depth: 2827-2832m
    2768-2773m
    2773-2774m
    2817-2822m
    2822-2827m
    2827-2832m
    Core photo at depth: 2832-2837m
    Core photo at depth: 2837-2842m
    Core photo at depth: 2842-2845m
    Core photo at depth: 2845-2850m
    Core photo at depth: 2950-2855m
    2832-2837m
    2837-2842m
    2842-2845m
    2845-2850m
    2950-2855m
    Core photo at depth: 2855-2860m
    Core photo at depth: 2860-2865m
    Core photo at depth: 2865-2870m
    Core photo at depth: 2870-2872m
    Core photo at depth: 2983-2988m
    2855-2860m
    2860-2865m
    2865-2870m
    2870-2872m
    2983-2988m
    Core photo at depth: 2988-2993m
    Core photo at depth: 2993-2998m
    Core photo at depth: 2998-3003m
    Core photo at depth: 3003-3008m
    Core photo at depth: 3008-3011m
    2988-2993m
    2993-2998m
    2998-3003m
    3003-3008m
    3008-3011m

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    2752.8
    [m]
    C
    OD
    2757.9
    [m]
    C
    OD
    2774.2
    [m]
    C
    OD
    2819.5
    [m]
    C
    OD
    2847.6
    [m]
    C
    OD
    2853.9
    [m]
    C
    OD

  • Lithostratigraphy

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.38

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    1.19

  • 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
    11.58

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    CST GR
    1300
    2530
    CST GR
    2530
    3325
    DIT-D LSS GR SP
    1098
    2537
    DIT-D LSS GR SP
    2423
    3345
    LDL CNL NGT MSFL
    2423
    3345
    MWD - GR EWR
    2748
    2947
    MWD - GR RES
    366
    3346
    RFT GR
    2582
    2835
    RFT GR
    2835
    3005
    SHDT GR
    1098
    2539
    SHDT GR
    2523
    3348
    VSP
    800
    3342

  • Casing and leak–off tests
    Casing and leak–off tests
    Casing type
    Casing diam.
    [inch]
    Casing depth
    [m]
    Hole diam.
    [inch]
    Hole depth
    [m]
    LOT/FIT mud eqv.
    [g/cm3]
    Formation test type
    CONDUCTOR
    30
    442.0
    36
    590.0
    0.00
    LOT
    INTERM.
    13 3/8
    1101.0
    17 1/2
    1117.0
    1.93
    LOT
    INTERM.
    9 5/8
    2526.0
    12 1/4
    2545.0
    1.91
    LOT
    OPEN HOLE
    3347.0
    8 1/2
    3347.0
    0.00
    LOT

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    376
    1.03
    WATER BASED
    11.05.1987
    416
    1.42
    33.0
    8.0
    WATER BASED
    18.06.1987
    442
    1.03
    WATER BASED
    12.05.1987
    590
    1.03
    WATER BASED
    12.05.1987
    1117
    1.20
    WATER BASED
    12.05.1987
    1117
    1.20
    22.0
    10.0
    WATER BASED
    14.05.1987
    1117
    1.20
    21.0
    11.0
    WATER BASED
    14.05.1987
    1380
    1.60
    36.0
    14.0
    WATER BASED
    18.05.1987
    1759
    1.60
    45.0
    15.0
    WATER BASED
    18.05.1987
    2100
    1.60
    45.0
    14.0
    WATER BASED
    18.05.1987
    2136
    1.60
    45.0
    11.0
    WATER BASED
    18.05.1987
    2213
    1.60
    45.0
    11.0
    WATER BASED
    19.05.1987
    2237
    1.60
    44.0
    11.0
    WATER BASED
    20.05.1987
    2296
    1.42
    33.0
    8.0
    WATER BASED
    17.06.1987
    2400
    1.60
    37.0
    11.0
    WATER BASED
    25.05.1987
    2485
    1.60
    37.0
    11.0
    WATER BASED
    25.05.1987
    2540
    1.60
    36.0
    10.0
    WATER BASED
    25.05.1987
    2545
    1.45
    24.0
    8.0
    WATER BASED
    29.05.1987
    2545
    1.60
    31.0
    9.0
    WATER BASED
    27.05.1987
    2545
    1.60
    31.0
    9.0
    WATER BASED
    29.05.1987
    2545
    1.52
    23.0
    7.0
    WATER BASED
    01.06.1987
    2572
    1.52
    28.0
    8.0
    WATER BASED
    01.06.1987
    2610
    1.52
    32.0
    7.0
    WATER BASED
    01.06.1987
    2724
    1.52
    33.0
    7.0
    WATER BASED
    02.06.1987
    2773
    1.52
    32.0
    8.0
    WATER BASED
    03.06.1987
    2817
    1.52
    32.0
    7.0
    WATER BASED
    04.06.1987
    2848
    1.52
    30.0
    7.0
    WATER BASED
    05.06.1987
    2933
    1.52
    31.0
    8.0
    WATER BASED
    09.06.1987
    2983
    1.52
    30.0
    9.0
    WATER BASED
    09.06.1987
    3011
    1.52
    30.0
    8.0
    WATER BASED
    09.06.1987
    3031
    1.52
    29.0
    8.0
    WATER BASED
    09.06.1987
    3055
    1.52
    30.0
    9.0
    WATER BASED
    10.06.1987
    3157
    1.50
    29.0
    8.0
    WATER BASED
    11.06.1987
    3227
    1.50
    32.0
    9.0
    WATER BASED
    12.06.1987
    3320
    1.50
    34.0
    9.0
    WATER BASED
    15.06.1987
    3346
    1.50
    37.0
    9.0
    WATER BASED
    15.06.1987
    3346
    1.42
    33.0
    8.0
    WATER BASED
    16.06.1987
    3346
    1.42
    30.0
    8.0
    WATER BASED
    15.06.1987

  • Thin sections at the Norwegian Offshore Directorate
    Thin sections at the Norwegian Offshore Directorate
    Depth
    Unit
    2588.30
    [m ]

  • Pressure plots
    Pressure plots
    The pore pressure data is sourced from well logs if no other source is specified. In some wells where pore pressure logs do not exist, information from Drill stem tests and kicks have been used. The data has been reported to the NPD, and further processed and quality controlled by IHS Markit.
    Pressure plots
    Document name
    Document format
    Document size [MB]
    pdf
    0.31