Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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11.11.2024 - 01:26
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6204/10-1

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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.
    6204/10-1
    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.
    6204/10-1
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    ST 9202-INLINE 398 & CROSSLINE 1130
    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.
    Den norske stats oljeselskap a.s
    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.
    828-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.
    27
    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,
    28.10.1995
    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.
    23.11.1995
    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.
    23.11.1997
    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.
    29.05.2002
    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.
    DRY
    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.
    188.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    2709.0
    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).
    2707.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    4.6
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    78
    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.
    62° 3' 20.5'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    4° 15' 36.6'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    6881190.16
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    565883.94
    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.
    2666

  • Wellbore history
    General
    The objectives of well 6204/10-1 were to prove economic hydrocarbon reserves in the J-prospect (Turonian) and support play concept and possibly prove hydrocarbon reserves in the Jurassic lead. Further objectives were to achieve stratigraphic information and possibly prove reservoir sand and new play concepts in the Tertiary, Turonian and Cenomanian levels.
    Operations and results
    Well 6204/10-1 was spudded with the semi-submersible rig "Deepsea Bergen"on 28 October 1995 and drilled to 2709 m in basement rock within the planned budget. The 30", 13 3/8" and 9 5/8" casing strings were successfully set. No drilling problems were encountered. The well was drilled with seawater / bentonite hi-vis pills / ANCO 2000 to 490 m and with KCl polymer mud from 490 m to TD. Four cores were cut, one in Tertiary and three in Cretaceous. No fluid samples were taken.

    The well proved the geological model of the J- prospect. Unexpected conglomeratic sandstones devoid of fossils, probably eroded basement, were encountered in the lower part of the well and the well was terminated before reaching the planned TD.
    No hydrocarbons were encountered, and the well was plugged and abandoned as a dry well.
    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]
    495.00
    2709.00

  • 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
    811.0
    827.6
    [m ]
    2
    1890.0
    1898.9
    [m ]
    3
    1948.0
    1955.0
    [m ]
    4
    1974.0
    1994.2
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    52.6
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 811-816m
    Core photo at depth: 816-821m
    Core photo at depth: 821-826m
    Core photo at depth: 826-827m
    Core photo at depth: 1890-1895m
    811-816m
    816-821m
    821-826m
    826-827m
    1890-1895m
    Core photo at depth: 1895-1898m
    Core photo at depth: 1948-1953m
    Core photo at depth: 1953-1955m
    Core photo at depth: 1974-1979m
    Core photo at depth: 1979-1984m
    1895-1898m
    1948-1953m
    1953-1955m
    1974-1979m
    1979-1984m
    Core photo at depth: 1984-1989m
    Core photo at depth: 1989-1944m
    Core photo at depth:  
    Core photo at depth:  
    Core photo at depth:  
    1984-1989m
    1989-1944m

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    600.0
    [m]
    DC
    STRAT
    625.0
    [m]
    DC
    STRAT
    637.0
    [m]
    SWC
    WESTLAB
    640.0
    [m]
    DC
    STRAT
    660.0
    [m]
    DC
    STRAT
    670.0
    [m]
    DC
    STRAT
    700.0
    [m]
    DC
    STRAT
    715.0
    [m]
    SWC
    WESTL
    723.0
    [m]
    SWC
    WESTL
    740.0
    [m]
    DC
    STRAT
    744.0
    [m]
    SWC
    WESTL
    750.0
    [m]
    DC
    STRAT
    753.0
    [m]
    SWC
    WESTL
    774.0
    [m]
    SWC
    WESTL
    774.0
    [m]
    DC
    STRATLAB
    792.0
    [m]
    SWC
    WESTLAB
    805.0
    [m]
    DC
    STRATLAB
    811.0
    [m]
    C
    WESTLAB
    814.0
    [m]
    C
    WESTLA
    816.0
    [m]
    C
    WESTLA
    818.1
    [m]
    C
    WESTLA
    820.7
    [m]
    C
    WESTLA
    823.2
    [m]
    C
    WESTLA
    826.9
    [m]
    C
    WESTLA
    830.0
    [m]
    DC
    STRATLAB
    850.0
    [m]
    DC
    STRATL
    870.0
    [m]
    DC
    STRATL
    890.0
    [m]
    DC
    STRATL
    900.0
    [m]
    DC
    STRATL
    915.0
    [m]
    DC
    STRATL
    935.0
    [m]
    DC
    STRATL
    950.0
    [m]
    DC
    STRATL
    970.0
    [m]
    DC
    STRATL
    980.0
    [m]
    DC
    STRATL
    990.0
    [m]
    DC
    STRATL
    1010.0
    [m]
    DC
    STRATL
    1030.0
    [m]
    DC
    STRATL
    1050.0
    [m]
    DC
    STRATL
    1070.0
    [m]
    DC
    STRATL
    1090.0
    [m]
    DC
    STRATL
    1110.0
    [m]
    DC
    STRATL
    1130.0
    [m]
    DC
    STRATL
    1140.0
    [m]
    DC
    STRATL
    1150.0
    [m]
    DC
    STRATL
    1174.0
    [m]
    SWC
    WESTLAB
    1182.0
    [m]
    SWC
    WESTLA
    1190.0
    [m]
    DC
    STRATLAB
    1210.0
    [m]
    DC
    STRATL
    1220.0
    [m]
    DC
    STRATL
    1250.0
    [m]
    DC
    STRATL
    1260.0
    [m]
    SWC
    WESTLAB
    1280.0
    [m]
    DC
    STRATLAB
    1280.0
    [m]
    DC
    STRATL
    1300.0
    [m]
    DC
    STRATL
    1320.0
    [m]
    DC
    STRATL
    1340.0
    [m]
    DC
    STRATL
    1360.0
    [m]
    DC
    STRATL
    1370.0
    [m]
    DC
    STRATL
    1390.0
    [m]
    DC
    STRATL
    1400.0
    [m]
    DC
    STRATL
    1420.0
    [m]
    DC
    STRATL
    1440.0
    [m]
    DC
    STRATL
    1460.0
    [m]
    DC
    STRATL
    1480.0
    [m]
    DC
    STRATL
    1500.0
    [m]
    DC
    STRATL
    1520.0
    [m]
    DC
    STRATL
    1530.0
    [m]
    DC
    STRATL
    1540.0
    [m]
    DC
    STRATL
    1560.0
    [m]
    DC
    STRATL
    1570.0
    [m]
    DC
    STRATL
    1580.0
    [m]
    DC
    STRATL
    1600.0
    [m]
    DC
    STRATL
    1620.0
    [m]
    DC
    STRATL
    1640.0
    [m]
    DC
    STRATL
    1650.0
    [m]
    DC
    STRATL
    1659.0
    [m]
    SWC
    WESTLAB
    1680.0
    [m]
    DC
    STRATLAB
    1700.0
    [m]
    SWC
    WESTLAB
    1720.0
    [m]
    DC
    STRATLAB
    1750.0
    [m]
    SWC
    WESTLAB
    1760.0
    [m]
    DC
    STRATLAB
    1775.0
    [m]
    SWC
    WESTLAB
    1780.0
    [m]
    DC
    STRATLAB
    1805.0
    [m]
    SWC
    WESTLAB
    1820.0
    [m]
    SWC
    WESTLA
    1835.0
    [m]
    SWC
    WESTLA
    1845.0
    [m]
    SWC
    WESTLA
    1855.0
    [m]
    SWC
    WESTLA
    1857.0
    [m]
    DC
    STRATLAB
    1866.0
    [m]
    DC
    STRATL
    1867.0
    [m]
    SWC
    WESTLAB
    1898.5
    [m]
    C
    WESTLA
    1911.0
    [m]
    DC
    STRATLAB
    1929.0
    [m]
    DC
    STRATL
    1950.8
    [m]
    C
    WESTLAB
    1951.9
    [m]
    C
    WESTLA
    1954.4
    [m]
    C
    WESTLA
    1968.0
    [m]
    DC
    STRATLAB
    1981.4
    [m]
    C
    WESTLAB
    1986.7
    [m]
    C
    WESTLA
    1991.4
    [m]
    C
    WESTLA
    2010.0
    [m]
    DC
    STRATLAB
    2031.0
    [m]
    DC
    STRATL
    2054.0
    [m]
    SWC
    WESTLAB
    2088.0
    [m]
    SWC
    WESTLA
    2123.0
    [m]
    SWC
    WESTLA
    2130.0
    [m]
    SWC
    WESTLA
    2142.0
    [m]
    DC
    STRATL
    2160.0
    [m]
    SWC
    WESTLA
    2175.0
    [m]
    SWC
    WESTLA
    2190.0
    [m]
    DC
    STRATLAB
    2209.0
    [m]
    SWC
    WESTLAB
    2229.0
    [m]
    SWC
    WESTLA
    2250.0
    [m]
    DC
    STRATLAB
    2272.0
    [m]
    SWC
    WESTLAB
    2292.0
    [m]
    DC
    STRATLAB
    2305.0
    [m]
    SWC
    WESTLAB
    2319.0
    [m]
    DC
    STRATLAB
    2330.0
    [m]
    SWC
    WESTLAB
    2337.0
    [m]
    DC
    STRATLAB
    2351.0
    [m]
    SWC
    WESTLAB
    2370.0
    [m]
    SWC
    WESTLA
    2388.0
    [m]
    DC
    STRATLAB
    2409.0
    [m]
    DC
    STRATL
    2430.0
    [m]
    DC
    STRATL
    2460.0
    [m]
    SWC
    WESTLAB
    2495.0
    [m]
    SWC
    WESTLA
    2504.0
    [m]
    SWC
    WESTLA
    2520.0
    [m]
    SWC
    WESTLA
    2527.0
    [m]
    SWC
    WESTLA
    2537.0
    [m]
    SWC
    WESTLA
    2545.0
    [m]
    SWC
    WESTLA
    2550.0
    [m]
    SWC
    WESTLA
    2657.0
    [m]
    SWC
    WESTLA
    2679.0
    [m]
    DC
    STRATLAB
    2709.0
    [m]
    DC
    STRATL

  • Lithostratigraphy

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.51

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    0.51

  • 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
    26.92

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    DIFL ACL ZDL CN CHT
    478
    1640
    DLL MAC ZDL CN SL
    1635
    2709
    FMT GR
    1872
    2661
    HEXDIP GR
    1850
    2709
    RGD
    272
    2701
    SWC GR
    527
    1260
    SWC GR
    1659
    2705
    VSP GR (ZO)
    640
    2700

  • 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
    273.0
    36
    275.0
    0.00
    LOT
    INTERM.
    13 3/8
    478.0
    17 1/2
    490.0
    1.35
    LOT
    INTERM.
    9 5/8
    1635.0
    12 1/4
    1649.0
    1.57
    LOT
    OPEN HOLE
    2709.0
    8 1/2
    2709.0
    0.00
    LOT

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    515
    1.27
    24.0
    KCL/PAC/XANVIS
    809
    1.13
    18.0
    KCL/PAC/XANVIS
    1175
    1.13
    16.0
    KCL/PAC/XANVIS
    1649
    1.25
    22.0
    KCL/PAC/XANVIS
    1661
    1.25
    21.0
    KCL/PAC/XANVIS
    1890
    1.25
    20.0
    KCL/PAC/XANVIS
    1907
    1.25
    21.0
    KCL/PAC/XANVIS
    1955
    1.25
    22.0
    KCL/PAC/XANVIS
    2242
    1.30
    25.0
    KCL/PAC/XANVIS
    2579
    1.27
    27.0
    KCL/PAC/XANVIS
    2586
    1.27
    27.0
    KCL/PAC/XANVIS
    2615
    1.27
    25.0
    KCL/PAC/XANVIS
    2654
    1.27
    23.0
    KCL/PAC/XANVIS
    2699
    1.27
    24.0
    KCL/PAC/XANVIS
    2709
    1.27
    23.0
    KCL/PAC/XANVIS

  • 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
    0.21