Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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22.12.2024 - 01:25
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30/6-24 S

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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.
    30/6-24 S
    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.
    30/6-24
    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.
    700-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.
    55
    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,
    13.10.1991
    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.
    06.12.1991
    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.
    06.12.1993
    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.
    29.03.2014
    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.
    25.0
    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).
    3986.0
    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).
    3742.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    33.9
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    140
    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.
    LUNDE FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    60° 42' 2.74'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    2° 41' 34.28'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    6729655.59
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    483230.99
    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.
    1855

  • Wellbore history
    General
    Well 30/6-24 S was drilled on the Delta Structure, some 5 km north of the main Oseberg Field area. The primary objective was to test the hydrocarbon potential of the Statfjord Formation.
    Operations and results
    Wildcat well was spudded with the semi-submersible installation Vildkat Explorer on 13 October 1991 and drilled to TD at 3986 m (3742 m TVD). The well was offset from the target location and deviated below 1035 m due to the proximity of a 30" gas pipeline above the target co-ordinates. An 8 1/2" pilot hole was drilled from 231 m to 422 m to check for shallow gas, but no shallow gas was found. The well was drilled with spud mud down to 1017 m, with KCl mud from 1017 m to 3300 m, and with Thermadril WBM mud from 3300 m to TD. When running the 9 5/8" casing it stuck at 3052 m. A spot of 25 m3 EZ spot/diesel was added to free the casing and this oil was in the mud down to 3974 m.
    An oil show was recorded on cuttings from a limestone stringer at 2505 m. Top Jurassic, Dunlin Group came in at 3581 m. Dunlin Group had sporadic weak shows on siltstone cuttings. Top of target reservoir Statfjord Group was encountered at 3683 m. It was water bearing with oil shows on core no 1 in a 2-meter zone from 3686 m to 3688 m. Otherwise no hydrocarbon indications were recorded in the well.
    Two cores were cut in the top of the Statfjord Group from 3682 m to 3712 m. No wire line fluid samples were taken.
    The well was permanently abandoned on 6 December 1991 as a dry well 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]
    1040.00
    3985.00

  • 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
    3682.0
    3692.0
    [m ]
    2
    3696.5
    3712.0
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    25.5
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 3682-3687m
    Core photo at depth: 3687-3692m
    Core photo at depth: 3696-3701m
    Core photo at depth: 3701-3706m
    Core photo at depth: 3706-3711m
    3682-3687m
    3687-3692m
    3696-3701m
    3701-3706m
    3706-3711m

  • 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
    231.0
    36
    231.0
    0.00
    LOT
    INTERM.
    13 3/8
    1004.0
    17 1/2
    1017.0
    1.95
    LOT
    INTERM.
    9 5/8
    3052.0
    12 1/4
    3070.0
    1.80
    LOT
    OPEN HOLE
    3986.0
    8 1/2
    3986.0
    0.00
    LOT

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    DIL LSS SP GR AMS
    970
    2987
    DIL LSS SP GR AMS
    3056
    3989
    FMS4 GR AMS
    3056
    3990
    LDL CNL GR CAL AMS
    970
    2987
    LDL CNL GR CAL AMS
    3056
    3990
    MWD
    145
    3741
    RFT HP GR AMS
    3687
    3783
    VSP
    300
    3560
    VSP
    1400
    3040
    VSP
    3940
    3960

  • Lithostratigraphy

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    0.17
    pdf
    2.81

  • 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
    12.63

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    199
    1.05
    WATER BASED
    15.10.1991
    231
    1.05
    WATER BASED
    15.10.1991
    422
    1.05
    WATER BASED
    17.10.1991
    863
    1.05
    WATER BASED
    18.10.1991
    1017
    1.20
    WATER BASED
    18.10.1991
    1017
    1.20
    WATER BASED
    21.10.1991
    1017
    0.00
    WATER BASED
    21.10.1991
    1017
    1.08
    WATER BASED
    22.10.1991
    1017
    1.20
    WATER BASED
    21.10.1991
    1195
    1.10
    10.0
    5.0
    WATER BASED
    23.10.1991
    1458
    1.38
    17.0
    10.0
    WATER BASED
    24.10.1991
    1740
    1.40
    14.0
    9.0
    WATER BASED
    25.10.1991
    2206
    1.40
    15.0
    10.0
    WATER BASED
    29.10.1991
    2264
    1.41
    18.0
    12.0
    WATER BASED
    29.10.1991
    2457
    1.40
    23.0
    11.0
    WATER BASED
    29.10.1991
    2722
    1.39
    26.0
    13.0
    WATER BASED
    31.10.1991
    2742
    1.40
    21.0
    12.0
    WATER BASED
    01.11.1991
    2745
    1.40
    18.0
    12.0
    WATER BASED
    04.11.1991
    2794
    1.40
    26.0
    12.0
    WATER BASED
    04.11.1991
    2906
    1.46
    24.0
    10.0
    WATER BASED
    04.11.1991
    2966
    1.40
    25.0
    13.0
    WATER BASED
    05.11.1991
    3026
    1.40
    25.0
    10.0
    WATER BASED
    06.11.1991
    3070
    1.40
    26.0
    14.0
    WATER BASED
    08.11.1991
    3070
    1.39
    26.0
    13.0
    WATER BASED
    12.11.1991
    3070
    1.40
    25.0
    13.0
    WATER BASED
    07.11.1991
    3070
    1.40
    22.0
    13.0
    WATER BASED
    12.11.1991
    3070
    1.40
    23.0
    11.0
    WATER BASED
    12.11.1991
    3070
    1.40
    23.0
    9.0
    WATER BASED
    12.11.1991
    3112
    1.34
    20.0
    10.0
    WATER BASED
    13.11.1991
    3165
    1.32
    23.0
    10.0
    WATER BASED
    14.11.1991
    3326
    1.30
    20.0
    10.0
    WATER BASED
    15.11.1991
    3412
    1.37
    22.0
    11.0
    WATER BASED
    19.11.1991
    3530
    1.41
    26.0
    9.0
    WATER BASED
    19.11.1991
    3541
    1.40
    20.0
    11.0
    WATER BASED
    19.11.1991
    3587
    1.40
    19.0
    10.0
    WATER BASED
    19.11.1991
    3587
    1.39
    16.0
    9.0
    WATER BASED
    20.11.1991
    3632
    1.40
    18.0
    10.0
    WATER BASED
    21.11.1991
    3689
    1.41
    17.0
    7.0
    WATER BASED
    22.11.1991
    3712
    1.41
    19.0
    9.0
    WATER BASED
    25.11.1991
    3819
    1.40
    20.0
    11.0
    WATER BASED
    25.11.1991
    3974
    1.40
    19.0
    12.0
    WATER BASED
    25.11.1991
    3986
    1.40
    16.0
    9.0
    WATER BASED
    26.11.1991
    3986
    1.40
    17.0
    9.0
    WATER BASED
    27.11.1991
    3986
    1.40
    15.0
    6.0
    WATER BASED
    28.11.1991
    3986
    1.40
    21.0
    8.0
    WATER BASED
    02.12.1991
    3986
    1.40
    21.0
    7.0
    WATER BASED
    29.11.1991
    3986
    1.40
    21.0
    11.0
    WATER BASED
    02.12.1991

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    1130.0
    [m]
    DC
    SPT
    1160.0
    [m]
    DC
    SPT
    1190.0
    [m]
    DC
    SPT
    1220.0
    [m]
    DC
    SPT
    1250.0
    [m]
    DC
    SPT
    1280.0
    [m]
    DC
    SPT
    1310.0
    [m]
    DC
    SPT
    1340.0
    [m]
    DC
    SPT
    1370.0
    [m]
    DC
    SPT
    1400.0
    [m]
    DC
    SPT
    1430.0
    [m]
    DC
    SPT
    1460.0
    [m]
    DC
    SPT
    1490.0
    [m]
    DC
    SPT
    1520.0
    [m]
    DC
    SPT
    1550.0
    [m]
    DC
    SPT
    1580.0
    [m]
    DC
    SPT
    1610.0
    [m]
    DC
    SPT
    1640.0
    [m]
    DC
    SPT
    1670.0
    [m]
    DC
    SPT
    1700.0
    [m]
    DC
    SPT
    1730.0
    [m]
    DC
    SPT
    1760.0
    [m]
    DC
    SPT
    1790.0
    [m]
    DC
    SPT
    1820.0
    [m]
    DC
    SPT
    1850.0
    [m]
    DC
    SPT
    1880.0
    [m]
    DC
    SPT
    1910.0
    [m]
    DC
    SPT
    1940.0
    [m]
    DC
    SPT
    2030.0
    [m]
    DC
    SPT
    2060.0
    [m]
    DC
    SPT
    2120.0
    [m]
    DC
    SPT
    2130.0
    [m]
    DC
    SPT
    2150.0
    [m]
    DC
    SPT
    2170.0
    [m]
    DC
    SPT
    2180.0
    [m]
    DC
    SPT
    2210.0
    [m]
    DC
    SPT
    2230.0
    [m]
    DC
    SPT
    2240.0
    [m]
    DC
    SPT
    2270.0
    [m]
    DC
    SPT
    2300.0
    [m]
    DC
    SPT
    2320.0
    [m]
    DC
    SPT
    2330.0
    [m]
    DC
    SPT
    2350.0
    [m]
    DC
    SPT
    2360.0
    [m]
    DC
    SPT
    2390.0
    [m]
    DC
    SPT
    2410.0
    [m]
    DC
    SPT
    2420.0
    [m]
    DC
    SPT
    2440.0
    [m]
    DC
    SPT
    2450.0
    [m]
    DC
    SPT
    2470.0
    [m]
    DC
    SPT
    2480.0
    [m]
    DC
    SPT
    2500.0
    [m]
    DC
    SPT
    2510.0
    [m]
    DC
    SPT
    2525.0
    [m]
    DC
    SPT
    2540.0
    [m]
    DC
    SPT
    2555.0
    [m]
    DC
    SPT
    2570.0
    [m]
    DC
    SPT
    2600.0
    [m]
    DC
    SPT
    2615.0
    [m]
    DC
    SPT
    2630.0
    [m]
    DC
    SPT
    2645.0
    [m]
    DC
    SPT
    2675.0
    [m]
    DC
    SPT
    2720.0
    [m]
    DC
    SPT
    2735.0
    [m]
    DC
    SPT
    2750.0
    [m]
    DC
    SPT
    2765.0
    [m]
    DC
    SPT
    2780.0
    [m]
    DC
    SPT
    2795.0
    [m]
    DC
    SPT
    2810.0
    [m]
    DC
    SPT
    2825.0
    [m]
    DC
    SPT
    2840.0
    [m]
    DC
    SPT
    2855.0
    [m]
    DC
    SPT
    2870.0
    [m]
    DC
    SPT
    2885.0
    [m]
    DC
    SPT
    2900.0
    [m]
    DC
    SPT
    2915.0
    [m]
    DC
    SPT
    2930.0
    [m]
    DC
    SPT
    2945.0
    [m]
    DC
    SPT
    2960.0
    [m]
    DC
    SPT
    2975.0
    [m]
    DC
    SPT
    2990.0
    [m]
    DC
    SPT
    3005.0
    [m]
    DC
    SPT
    3020.0
    [m]
    DC
    SPT
    3035.0
    [m]
    DC
    SPT
    3050.0
    [m]
    DC
    SPT
    3065.0
    [m]
    DC
    SPT
    3095.0
    [m]
    DC
    SPT
    3260.0
    [m]
    DC
    SPT
    3275.0
    [m]
    DC
    SPT
    3290.0
    [m]
    DC
    SPT
    3305.0
    [m]
    DC
    SPT
    3320.0
    [m]
    DC
    SPT
    3335.0
    [m]
    DC
    SPT
    3350.0
    [m]
    DC
    SPT
    3365.0
    [m]
    DC
    SPT
    3380.0
    [m]
    DC
    SPT
    3395.0
    [m]
    DC
    SPT
    3410.0
    [m]
    DC
    SPT
    3425.0
    [m]
    DC
    SPT
    3440.0
    [m]
    DC
    SPT
    3455.0
    [m]
    DC
    SPT
    3472.0
    [m]
    DC
    SPT
    3485.0
    [m]
    DC
    SPT
    3500.0
    [m]
    DC
    SPT
    3515.0
    [m]
    DC
    SPT
    3527.0
    [m]
    DC
    SPT
    3547.0
    [m]
    DC
    SPT
    3575.0
    [m]
    DC
    SPT
    3580.0
    [m]
    DC
    SPT
    3582.0
    [m]
    DC
    SPT
    3585.0
    [m]
    DC
    SPT
    3590.0
    [m]
    DC
    SPT
    3600.0
    [m]
    DC
    SPT
    3602.0
    [m]
    DC
    SPT
    3605.0
    [m]
    DC
    SPT
    3615.0
    [m]
    DC
    SPT
    3625.0
    [m]
    DC
    SPT
    3635.0
    [m]
    DC
    SPT
    3645.0
    [m]
    DC
    SPT
    3655.0
    [m]
    DC
    SPT
    3665.0
    [m]
    DC
    SPT
    3675.0
    [m]
    DC
    SPT
    3683.7
    [m]
    C
    HYDRO
    3685.0
    [m]
    DC
    SPT
    3686.0
    [m]
    C
    HYDRO
    3689.5
    [m]
    C
    HYDRO
    3691.8
    [m]
    C
    HYDRO
    3691.9
    [m]
    C
    HYDRO
    3696.5
    [m]
    C
    HYDRO
    3704.5
    [m]
    C
    HYDRO
    3707.3
    [m]
    C
    HYDRO
    3707.8
    [m]
    C
    HYDRO
    3709.9
    [m]
    C
    HYDRO
    3745.0
    [m]
    DC
    SPT
    3755.0
    [m]
    DC
    SPT
    3765.0
    [m]
    DC
    SPT
    3775.0
    [m]
    DC
    SPT
    3785.0
    [m]
    DC
    SPT
    3795.0
    [m]
    DC
    SPT
    3805.0
    [m]
    DC
    SPT
    3815.0
    [m]
    DC
    SPT
    3825.0
    [m]
    DC
    SPT
    3835.0
    [m]
    DC
    SPT
    3845.0
    [m]
    DC
    SPT
    3855.0
    [m]
    DC
    SPT
    3865.0
    [m]
    DC
    SPT
    3875.0
    [m]
    DC
    SPT
    3885.0
    [m]
    DC
    SPT
    3905.0
    [m]
    DC
    SPT
    3915.0
    [m]
    DC
    SPT
    3927.0
    [m]
    DC
    SPT
    3935.0
    [m]
    DC
    SPT
    3947.0
    [m]
    DC
    SPT
    3955.0
    [m]
    DC
    SPT
    3965.0
    [m]
    DC
    SPT