Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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25.11.2024 - 01:30
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30/11-11 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.
    30/11-11 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
    Press release
    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
    Field
    Name of the field the wellbore is related to.
    Discovery
    Name of the discovery the wellbore is related to.
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    30/11-11
    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.
    Statoil Petroleum 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.
    1610-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.
    16
    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,
    04.03.2016
    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.
    19.03.2016
    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.
    19.03.2018
    Plugged date
    Date when plugging operations was finished, as reported by the operator to the Norwegian Offshore Directorate through DDRS (Daily Drilling Reporting System).
    19.03.2016
    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.
    18.03.2018
    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.
    OIL
    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.
    YES
    1st level with HC, age
    Age of lithostratigraphic unit, 1st level, where hydrocarbons were encountered. Examples of legal values: CRETACEOUS, EARLY CRETACEOUS, LATE JURASSIC, EOCENE. See also Norwegian Offshore Directorate bulletins.
    MIDDLE JURASSIC
    1st level with HC, formation
    Name of lithostartigraphic unit, 1st level, where hydrocarbons were encountered. Shown only for released wells. Examples of legal values: BASEMENT, COOK FM, EKOFISK FM, HEIMDAL FM, SANDNES FM, SOGNEFJORD FM, TARBERT FM, BRENT GP. See also Norwegian Offshore Directorate bulletins.
    TARBERT FM
    Kelly bushing elevation [m]
    Elevation of the rotary kelly bushing (RKB) above mean sea level.
    29.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    106.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    3675.0
    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).
    3673.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    10
    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.
    MIDDLE 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.
    NESS FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    60° 4' 29.83'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    2° 38' 8.82'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    6659970.27
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    479729.86
    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.
    7896

  • Wellbore history
    Wellbore history
    General
    Well 30/11-11 S was drilled to test the Madam Felle prospect on the east flank of the Fensal Sub-basin in the North Sea. The well is located ca 3 km south of the Askja East oil Discovery. The primary objective was to prove petroleum in the Middle Jurassic Tarbert Formation. The secondary objective was to prove petroleum in the Middle Jurassic Ness formation.
    Operations and results
    Wildcat well 30/11-11 S was spudded with the semi-submersible installation Songa Delta on 4 March 2016 and drilled to TD at 3675 m in the Middle Jurassic Ness Formation. No significant problem was encountered in the operations. The well was drilled with seawater and hi-vis pills down to 1150 m and with XP07 oil based mud from 1150 m to TD.
    Well 30/11-11 S encountered oil in a sandstone from 3290 m to 3315 m in the top of the Tarbert Formation. Twenty-two metres of this sandstone had moderate to good reservoir properties. The Ness Formation had sandstones with moderate to good porosity, but these were water bearing. No oil shows were recorded in the well except for in the hydrocarbon bearing Tarbert sandstone sequence.
    No cores were cut. MDT fluid samples were taken at 3299.5 m (oil) and 3403 m (water).
    The well was permanently abandoned on 19 March 2016 as an oil discovery.
    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]
    1160.00
    3674.00

  • Oil samples at the Norwegian Offshore Directorate
    Oil samples at the Norwegian Offshore Directorate
    Test type
    Bottle number
    Top depth
    MD [m]
    Bottom depth
    MD [m]
    Fluid type
    Test time
    Samples available
    DST
    3299.50
    0.00
    OIL
    YES

  • 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
    185.0
    36
    185.0
    0.00
    SURF.COND.
    13 3/8
    1142.0
    17 1/2
    1150.0
    1.56
    FIT
    LINER
    9 5/8
    3017.0
    12 1/4
    3022.0
    1.51
    FIT
    OPEN HOLE
    3675.0
    8 1/2
    3675.0
    0.00

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    AIT MSIP QUANTAGEO
    2950
    3678
    MDT
    3296
    3482
    MWD - ARCVIS TELE
    185
    1150
    MWD - ARCVIS TELE
    3022
    3675
    MWD - ARCVIS TELE SON SADN
    1150
    3022
    PEX ECS HNGS CMR
    3017
    3678
    VSI4
    313
    3668

  • Lithostratigraphy

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    186
    1.30
    45.0
    Bentonite/Polymer mud
    850
    1.30
    45.0
    Bentonite/Polymer mud
    1095
    1.34
    20.0
    XP-07
    1095
    1.30
    19.0
    XP-07
    1150
    1.39
    14.0
    XP-07
    1150
    1.30
    43.0
    Bentonite/Polymer mud
    1638
    1.39
    17.0
    XP-07
    2543
    1.39
    18.0
    XP-07
    3027
    1.30
    15.0
    XP-07
    3675
    1.30
    18.0
    XP-07

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    1160.0
    [m]
    DC
    PETROSTR
    1190.0
    [m]
    DC
    PETROS
    1220.0
    [m]
    DC
    PETROS
    1250.0
    [m]
    DC
    PETROS
    1280.0
    [m]
    DC
    PETROS
    1310.0
    [m]
    DC
    PETROS
    1340.0
    [m]
    DC
    PETROS
    1370.0
    [m]
    DC
    PETROS
    1400.0
    [m]
    DC
    PETROS
    1430.0
    [m]
    DC
    PETROS
    1460.0
    [m]
    DC
    PETROS
    1500.0
    [m]
    DC
    PETROS
    1530.0
    [m]
    DC
    PETROS
    1560.0
    [m]
    DC
    PETROS
    1590.0
    [m]
    DC
    PETROS
    1620.0
    [m]
    DC
    PETROS
    1650.0
    [m]
    DC
    PETROS
    1680.0
    [m]
    DC
    PETROS
    1710.0
    [m]
    DC
    PETROS
    1740.0
    [m]
    DC
    PETROS
    1770.0
    [m]
    DC
    PETROS
    1800.0
    [m]
    DC
    PETROS
    1830.0
    [m]
    DC
    PETROS
    1860.0
    [m]
    DC
    PETROS
    1890.0
    [m]
    DC
    PETROS
    1920.0
    [m]
    DC
    PETROS
    1950.0
    [m]
    DC
    PETROS
    1980.0
    [m]
    DC
    PETROS
    2010.0
    [m]
    DC
    PETROS
    2040.0
    [m]
    DC
    PETROS
    2070.0
    [m]
    DC
    PETROS
    2100.0
    [m]
    DC
    PETROS
    2120.0
    [m]
    DC
    PETROS
    2140.0
    [m]
    DC
    PETROS
    2160.0
    [m]
    DC
    PETROS
    2180.0
    [m]
    DC
    PETROS
    2200.0
    [m]
    DC
    PETROS
    2220.0
    [m]
    DC
    PETROS
    2240.0
    [m]
    DC
    PETROS
    2260.0
    [m]
    DC
    PETROS
    2280.0
    [m]
    DC
    PETROS
    2300.0
    [m]
    DC
    PETROS
    2320.0
    [m]
    DC
    PETROS
    2340.0
    [m]
    DC
    PETROS
    2360.0
    [m]
    DC
    PETROS
    2380.0
    [m]
    DC
    PETROS
    2400.0
    [m]
    DC
    PETROS
    2420.0
    [m]
    DC
    PETROS
    2440.0
    [m]
    DC
    PETROS
    2460.0
    [m]
    DC
    PETROS
    2480.0
    [m]
    DC
    PETROS
    2500.0
    [m]
    DC
    PETROS
    2520.0
    [m]
    DC
    PETROS
    2540.0
    [m]
    DC
    PETROS
    2560.0
    [m]
    DC
    PETROS
    2580.0
    [m]
    DC
    PETROS
    2590.0
    [m]
    DC
    PETROS
    2620.0
    [m]
    DC
    PETROS
    2650.0
    [m]
    DC
    PETROS
    2680.0
    [m]
    DC
    PETROS
    2710.0
    [m]
    DC
    PETROS
    2740.0
    [m]
    DC
    PETROS
    2770.0
    [m]
    DC
    PETROS
    2800.0
    [m]
    DC
    PETROS
    2830.0
    [m]
    DC
    PETROS
    2860.0
    [m]
    DC
    PETROS
    2890.0
    [m]
    DC
    PETROS
    2920.0
    [m]
    DC
    PETROS
    2950.0
    [m]
    DC
    PETROS
    2980.0
    [m]
    DC
    PETROS
    2990.0
    [m]
    DC
    PETROS
    3000.0
    [m]
    DC
    PETROS
    3010.0
    [m]
    DC
    PETROS
    3020.0
    [m]
    DC
    PETROS
    3030.0
    [m]
    DC
    PETROS
    3040.0
    [m]
    DC
    PETROS
    3050.0
    [m]
    DC
    PETROS
    3060.0
    [m]
    DC
    PETROS
    3070.0
    [m]
    DC
    PETROS
    3083.0
    [m]
    DC
    PETROS
    3089.0
    [m]
    DC
    PETROS
    3092.0
    [m]
    DC
    PETROS
    3101.0
    [m]
    DC
    PETROS
    3110.0
    [m]
    DC
    PETROS
    3119.0
    [m]
    DC
    PETROS
    3128.0
    [m]
    DC
    PETROS
    3137.0
    [m]
    DC
    PETROS
    3146.0
    [m]
    DC
    PETROS
    3155.0
    [m]
    DC
    PETROS
    3164.0
    [m]
    DC
    PETROS
    3173.0
    [m]
    DC
    PETROS
    3182.0
    [m]
    DC
    PETROS
    3191.0
    [m]
    DC
    PETROS
    3200.0
    [m]
    DC
    PETROS
    3209.0
    [m]
    DC
    PETROS
    3218.0
    [m]
    DC
    PETROS
    3227.0
    [m]
    DC
    PETROS
    3236.0
    [m]
    DC
    PETROS
    3245.0
    [m]
    DC
    PETROS
    3254.0
    [m]
    DC
    PETROS
    3263.0
    [m]
    DC
    PETROS
    3272.0
    [m]
    DC
    PETROS
    3281.0
    [m]
    DC
    PETROS
    3287.0
    [m]
    DC
    PETROS
    3293.0
    [m]
    DC
    PETROS
    3299.0
    [m]
    DC
    PETROS
    3305.0
    [m]
    DC
    PETROS
    3311.0
    [m]
    DC
    PETROS
    3317.0
    [m]
    DC
    PETROS
    3323.0
    [m]
    DC
    PETROS
    3329.0
    [m]
    DC
    PETROS
    3335.0
    [m]
    DC
    PETROS
    3341.0
    [m]
    DC
    PETROS
    3347.0
    [m]
    DC
    PETROS
    3356.0
    [m]
    DC
    PETROS
    3365.0
    [m]
    DC
    PETROS
    3374.0
    [m]
    DC
    PETROS
    3383.0
    [m]
    DC
    PETROS
    3392.0
    [m]
    DC
    PETROS
    3401.0
    [m]
    DC
    PETROS
    3410.0
    [m]
    DC
    PETROS
    3419.0
    [m]
    DC
    PETROS
    3428.0
    [m]
    DC
    PETROS
    3437.0
    [m]
    DC
    PETROS
    3446.0
    [m]
    DC
    PETROS
    3455.0
    [m]
    DC
    PETROS
    3464.0
    [m]
    DC
    PETROS
    3473.0
    [m]
    DC
    PETROS
    3482.0
    [m]
    DC
    PETROS
    3491.0
    [m]
    DC
    PETROS
    3500.0
    [m]
    DC
    PETROS
    3509.0
    [m]
    DC
    PETROS
    3518.0
    [m]
    DC
    PETROS
    3527.0
    [m]
    DC
    PETROS
    3536.0
    [m]
    DC
    PETROS
    3545.0
    [m]
    DC
    PETROS
    3554.0
    [m]
    DC
    PETROS
    3563.0
    [m]
    DC
    PETROS
    3572.0
    [m]
    DC
    PETROS
    3581.0
    [m]
    DC
    PETROS
    3590.0
    [m]
    DC
    PETROS
    3599.0
    [m]
    DC
    PETROS
    3608.0
    [m]
    DC
    PETROS
    3617.0
    [m]
    DC
    PETROS
    3626.0
    [m]
    DC
    PETROS
    3635.0
    [m]
    DC
    PETROS
    3644.0
    [m]
    DC
    PETROS
    3653.0
    [m]
    DC
    PETROS
    3662.0
    [m]
    DC
    PETROS
    3668.0
    [m]
    DC
    PETROS
    3674.0
    [m]
    DC
    PETROS