Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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01.11.2024 - 01:26
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30/11-14 B

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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.
    30/11-14 B
    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.
    30/11-14
    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.
    1628-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.
    19
    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,
    06.07.2016
    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.
    23.07.2016
    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.
    23.07.2018
    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.
    23.07.2018
    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/GAS/CONDENSATE
    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.
    107.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    4187.0
    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).
    3376.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    63.5
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    126
    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.
    EARLY 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.
    DRAKE FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    60° 11' 29.91'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    2° 35' 11.08'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    6672982.46
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    477063.48
    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.
    7984

  • Wellbore history
    General
    Well 30/11-14 B is a geological sidetrack to well 30/11-14. The wells are located on the eastern flank of the Fensal Sub-basin in the North Sea. Well 30/11-14 discovered gas-condensate in the Slemmestad prospect, at two levels within the Middle Jurassic Tarbert Formation. The sidetrack was drilled to test the Haraldsplass prospect in a separate fault block to the Slemmestad structure. The primary exploration target was to prove petroleum in the Middle Jurassic Tarbert Formation. The secondary exploration target was to prove petroleum in the Middle Jurassic Ness Formation.
    Operations and results
    Wildcat well 30/11-14 B was kicked off at 6 July 2016 through a milled window in the 13 3/8'' casing at 1529.2 m in well 30/11-14. It was drilled with the semi-submersible installation Songa Delta to TD at 4187 m in the Early Jurassic Drake Formation. No significant problem was encountered in the operations. The well was drilled with XP-07 oil based mud from kick-off to TD.
    Top Tarbert Formation was penetrated at 3634 m (2879 m TVD). Hydrocarbons were encountered in three different reservoir intervals: gas-condensate from 3634 to 3687 m (2879 to 2924 m TVD), gas-condensate from 3717.5 to 3732 m (2949 to 2962 m TVD) and oil from 3747 to 3763 m (2974 to 2988 m TVD). Gas responses were observed in the Ness and Etive formations, mostly related to coal beds. No oil shows were observed in this well.
    No cores were cut. MDT fluid samples were taken at 3644.2 m (gas), 3720.5 m (gas), 3747.5 m (oil), and 3763.5 m (water).
    The well was permanently abandoned on 23 July 2016 as an oil/gas/condensate 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]
    1550.00
    4186.00

  • 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
    172.0
    36
    172.0
    0.00
    456.0
    0.0
    1.55
    FIT
    SURF.COND.
    20
    457.0
    26
    466.0
    0.00
    PILOT HOLE
    979.0
    8 1/2
    0.0
    0.00
    1521.0
    0.0
    1.63
    FIT
    LINER
    9 5/8
    3538.0
    12 1/4
    3539.0
    1.55
    FIT
    OPEN HOLE
    4187.0
    8 1/2
    4187.0
    0.00

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    AIT PEX HNGS ECS GR
    3542
    4191
    MDT GR
    3635
    4020
    MDT GR
    3747
    3763
    MSIP GR
    3542
    4191
    MWD - DI GR RES
    1537
    4187
    PEX GR
    3542
    4191

  • Lithostratigraphy

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    1536
    1.39
    24.0
    XP-07
    1793
    1.55
    34.0
    XP-07
    2447
    1.55
    38.0
    XP-07
    3155
    1.55
    36.0
    XP-07
    3468
    1.30
    20.0
    XP-07
    3520
    1.55
    26.0
    XP-07
    3539
    1.30
    21.0
    XP-07
    3539
    1.35
    18.0
    XP-07
    3728
    1.31
    18.0
    XP-07
    4187
    1.30
    19.0
    XP-07

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    3556.0
    [m]
    DC
    PETROSTR
    3562.0
    [m]
    DC
    PETROS
    3565.0
    [m]
    DC
    PETROS
    3568.0
    [m]
    DC
    PETROS
    3574.0
    [m]
    DC
    PETROS
    3580.0
    [m]
    DC
    PETROS
    3586.0
    [m]
    DC
    PETROS
    3592.0
    [m]
    DC
    PETROS
    3598.0
    [m]
    DC
    PETROS
    3610.0
    [m]
    DC
    PETROS
    3616.0
    [m]
    DC
    PETROS
    3622.0
    [m]
    DC
    PETROS
    3628.0
    [m]
    DC
    PETROS
    3634.0
    [m]
    DC
    PETROS
    3640.0
    [m]
    DC
    PETROS
    3649.0
    [m]
    DC
    PETROS
    3658.0
    [m]
    DC
    PETROS
    3667.0
    [m]
    DC
    PETROS
    3676.0
    [m]
    DC
    PETROS
    3685.0
    [m]
    DC
    PETROS
    3694.0
    [m]
    DC
    PETROS
    3703.0
    [m]
    DC
    PETROS
    3712.0
    [m]
    DC
    PETROS
    3721.0
    [m]
    DC
    PETROS
    3733.0
    [m]
    DC
    PETROS
    3745.0
    [m]
    DC
    PETROS
    3757.0
    [m]
    DC
    PETROS
    3769.0
    [m]
    DC
    PETROS
    3781.0
    [m]
    DC
    PETROS
    3793.0
    [m]
    DC
    PETROS
    3805.0
    [m]
    DC
    PETROS
    3817.0
    [m]
    DC
    PETROS
    3829.0
    [m]
    DC
    PETROS
    3841.0
    [m]
    DC
    PETROS
    3853.0
    [m]
    DC
    PETROS
    3865.0
    [m]
    DC
    PETROS
    3877.0
    [m]
    DC
    PETROS
    3889.0
    [m]
    DC
    PETROS
    3901.0
    [m]
    DC
    PETROS
    3913.0
    [m]
    DC
    PETROS
    3925.0
    [m]
    DC
    PETROS
    3937.0
    [m]
    DC
    PETROS
    3949.0
    [m]
    DC
    PETROS
    3961.0
    [m]
    DC
    PETROS
    3973.0
    [m]
    DC
    PETROS
    3985.0
    [m]
    DC
    PETROS
    3997.0
    [m]
    DC
    PETROS
    4009.0
    [m]
    DC
    PETROS
    4021.0
    [m]
    DC
    PETROS
    4033.0
    [m]
    DC
    PETROS
    4045.0
    [m]
    DC
    PETROS
    4057.0
    [m]
    DC
    PETROS
    4069.0
    [m]
    DC
    PETROS
    4081.0
    [m]
    DC
    PETROS
    4093.0
    [m]
    DC
    PETROS
    4105.0
    [m]
    DC
    PETROS
    4117.0
    [m]
    DC
    PETROS
    4129.0
    [m]
    DC
    PETROS
    4141.0
    [m]
    DC
    PETROS
    4150.0
    [m]
    DC
    PETROS
    4159.0
    [m]
    DC
    PETROS
    4168.0
    [m]
    DC
    PETROS
    4177.0
    [m]
    DC
    PETROS
    4186.0
    [m]
    DC
    PETROS