Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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21.11.2024 - 01:28
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6407/10-3

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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.
    6407/10-3
    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.
    6407/10-3
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    NH 8411-404 & SP. 460
    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.
    721-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.
    30
    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,
    29.05.1992
    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.
    27.06.1992
    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.
    27.06.1994
    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.
    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.
    23.5
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    323.5
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    2973.0
    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).
    2972.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    2.5
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    94
    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.
    PRE-DEVONIAN
    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.
    BASEMENT
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    64° 6' 11.66'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    7° 18' 11.43'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7109795.67
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    417314.23
    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.
    1927

  • Wellbore history
    General
    Well 6407/10-3 is located ca 15 km south of the Njord Field. The primary target of the well was to test Upper Jurassic transgressive sandstone (Draugen analogue). Lower Jurassic to Upper Triassic sandstone was a possible secondary target. In summary, the main objectives for drilling the well 6407/10-3 were: to test the oil potential of Upper Jurassic transgressive sand; to test reservoir quality and hydrocarbon potential of the dipping pre-Jurassic reflectors; to penetrate the deep basement reflectors and test reservoir quality in order to prepare area for relinquishment.
    Operations and results
    Well 6407/10-3 was spudded with the semi-submersible installation Transocean 8 on 29 May 1992 and drilled to TD at 2973 m in the Triassic Red Beds. The well was drilled with seawater and hi-vis pills down to 907 m and with KCl/PHPA mud from 907 m to TD.
    The Upper Jurassic Viking Group was encountered at 1806 m and consisted of claystone characteristic of the Spekk Formation down to the Triassic section at 1827 m. From 1827 m to 1850 m Triassic Grey Beds were penetrated. From 1850 m to 2155 m undifferentiated Late to Middle Triassic Red Beds are present, followed by Carnian to Ladian Red Beds from 2155 m to 2555 m. Undifferentiated "red beds" continued to 2958.5 m, were the bore passed into fractured granitic basement. Weak shows were observed on cuttings from the Shetland and Cromer Knoll Groups (1518 m to 1785 m). Fair shows were observed on a core and a sidewall core from 1827 m to 1836 m in the Triassic Grey Beds. Two cores were cut, the first from 1830 m to1837 m in the Grey Beds, the second was a one-metre core at 2972 m at TD. No fluid samples were taken. The well was permanently abandoned on 27 June 1992 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]
    820.00
    2972.00

  • 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
    1830.0
    1836.3
    [m ]
    2
    2972.0
    2972.6
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    6.9
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 1830-1835m
    Core photo at depth: 1835-2972m
    Core photo at depth:  
    Core photo at depth:  
    Core photo at depth:  
    1830-1835m
    1835-2972m

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    820.0
    [m]
    DC
    HYDRO
    840.0
    [m]
    DC
    HYDRO
    860.0
    [m]
    DC
    HYDRO
    880.0
    [m]
    DC
    HYDRO
    900.0
    [m]
    DC
    HYDRO
    920.0
    [m]
    DC
    HYDRO
    940.0
    [m]
    DC
    HYDRO
    950.0
    [m]
    DC
    HYDRO
    970.0
    [m]
    DC
    HYDRO
    1000.0
    [m]
    DC
    HYDRO
    1020.0
    [m]
    DC
    HYDRO
    1030.0
    [m]
    DC
    HYDRO
    1060.0
    [m]
    DC
    HYDRO
    1310.0
    [m]
    DC
    HYDRO
    1320.0
    [m]
    DC
    HYDRO
    1330.0
    [m]
    DC
    HYDRO
    1350.0
    [m]
    DC
    HYDRO
    1360.0
    [m]
    DC
    HYDRO
    1370.0
    [m]
    DC
    HYDRO
    1380.0
    [m]
    DC
    HYDRO
    1390.0
    [m]
    DC
    HYDRO
    1400.0
    [m]
    DC
    HYDRO
    1410.0
    [m]
    DC
    HYDRO
    1420.0
    [m]
    DC
    HYDRO
    1430.0
    [m]
    DC
    HYDRO
    1440.0
    [m]
    DC
    HYDRO
    1450.0
    [m]
    DC
    HYDRO
    1460.0
    [m]
    DC
    HYDRO
    1470.0
    [m]
    DC
    HYDRO
    1480.0
    [m]
    DC
    HYDRO
    1490.0
    [m]
    DC
    HYDRO
    1500.0
    [m]
    DC
    HYDRO
    1560.0
    [m]
    DC
    HYDRO
    1570.0
    [m]
    DC
    HYDRO
    1580.0
    [m]
    DC
    HYDRO
    1590.0
    [m]
    DC
    HYDRO
    1610.0
    [m]
    DC
    HYDRO
    1630.0
    [m]
    DC
    HYDRO
    1645.0
    [m]
    DC
    HYDRO
    1655.0
    [m]
    DC
    HYDRO
    1665.0
    [m]
    DC
    HYDRO
    1675.0
    [m]
    DC
    HYDRO
    1685.0
    [m]
    DC
    HYDRO
    1695.0
    [m]
    DC
    HYDRO
    1705.0
    [m]
    DC
    HYDRO
    1785.0
    [m]
    DC
    HYDRO
    1795.0
    [m]
    DC
    HYDRO
    1803.0
    [m]
    SWC
    HYDRO
    1805.0
    [m]
    SWC
    HYDRO
    1805.0
    [m]
    DC
    HYDRO
    1807.0
    [m]
    DC
    HYDRO
    1807.0
    [m]
    SWC
    HYDRO
    1810.0
    [m]
    DC
    HYDRO
    1811.0
    [m]
    SWC
    HYDRO
    1815.0
    [m]
    SWC
    HYDRO
    1815.0
    [m]
    DC
    HYDRO
    1820.0
    [m]
    DC
    HYDRO
    1821.0
    [m]
    SWC
    HYDRO
    1825.0
    [m]
    DC
    HYDRO
    1827.0
    [m]
    DC
    HYDRO
    1827.0
    [m]
    SWC
    HYDRO
    1829.0
    [m]
    SWC
    HYDRO
    1831.0
    [m]
    SWC
    HYDRO
    1832.0
    [m]
    DC
    HYDRO
    1875.0
    [m]
    DC
    HYDRO
    1910.0
    [m]
    DC
    HYDRO
    1927.0
    [m]
    DC
    HYDRO
    1950.0
    [m]
    DC
    HYDRO
    1970.0
    [m]
    DC
    HYDRO
    1990.0
    [m]
    DC
    HYDRO
    2010.0
    [m]
    DC
    HYDRO
    2032.0
    [m]
    DC
    HYDRO
    2045.0
    [m]
    DC
    HYDRO
    2055.0
    [m]
    DC
    HYDRO
    2160.0
    [m]
    DC
    HYDRO
    2190.0
    [m]
    DC
    HYDRO
    2210.0
    [m]
    DC
    HYDRO
    2260.0
    [m]
    DC
    HYDRO
    2280.0
    [m]
    DC
    HYDRO
    2305.0
    [m]
    DC
    HYDRO
    2325.0
    [m]
    DC
    HYDRO
    2350.0
    [m]
    DC
    HYDRO
    2390.0
    [m]
    DC
    HYDRO
    2410.0
    [m]
    DC
    HYDRO
    2500.0
    [m]
    DC
    HYDRO
    2520.0
    [m]
    DC
    RRI
    2540.0
    [m]
    DC
    RRI
    2580.0
    [m]
    DC
    RRI
    2600.0
    [m]
    DC
    RRI
    2620.0
    [m]
    DC
    RRI
    2640.0
    [m]
    DC
    RRI
    2660.0
    [m]
    DC
    RRI
    2700.0
    [m]
    DC
    RRI
    2740.0
    [m]
    DC
    RRI
    2760.0
    [m]
    DC
    RRI
    2780.0
    [m]
    DC
    RRI
    2815.0
    [m]
    DC
    RRI

  • Lithostratigraphy

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.45

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    2.33

  • 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
    13.89

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    CST GR
    1787
    2952
    DIL LDL CNL GR SP AMS
    1450
    2963
    DIL LSS LDL GR SP AMS
    803
    1768
    FMS-4 GR CAL
    1775
    2973
    LSS GR AMS
    1775
    2973
    MWD - GR RES DIR
    347
    2973
    RFT HP GR
    2463
    2687
    VDL GR
    1185
    1775
    VSP
    850
    2450
    VSP
    2450
    2950

  • 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
    434.0
    36
    436.0
    0.00
    LOT
    INTERM.
    18 5/8
    802.0
    26
    804.0
    1.59
    LOT
    INTERM.
    13 3/8
    1773.0
    17 1/2
    1775.0
    1.94
    LOT
    OPEN HOLE
    2973.0
    12 1/4
    2973.0
    0.00
    LOT

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    369
    1.04
    WATER BASED
    380
    1.45
    29.0
    WATER BASED
    435
    1.03
    WATER BASED
    736
    1.20
    8.0
    WATER BASED
    987
    1.30
    28.0
    WATER BASED
    1344
    1.37
    23.0
    WATER BASED
    1583
    1.42
    27.0
    WATER BASED
    1656
    1.26
    26.0
    WATER BASED
    1680
    1.45
    29.0
    WATER BASED
    1788
    1.39
    21.0
    WATER BASED
    1832
    1.25
    21.0
    WATER BASED
    1953
    1.25
    23.0
    WATER BASED
    2110
    1.25
    20.0
    WATER BASED
    2136
    1.25
    22.0
    WATER BASED
    2242
    1.25
    26.0
    WATER BASED
    2349
    1.25
    25.0
    WATER BASED
    2440
    1.25
    22.0
    WATER BASED
    2489
    1.25
    24.0
    WATER BASED
    2973
    1.25
    26.0
    WATER BASED

  • 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
    0.22