Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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12.11.2024 - 01:25
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7324/2-1

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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.
    7324/2-1
    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
    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
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    Main area
    Name of the area on the Norwegian Continental Shelf where the wellbore is located. Legal values: BARENTS SEA, NORWEGIAN SEA, NORTH SEA.
    BARENTS SEA
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    7324/2-1
    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.
    1523-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.
    18
    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,
    01.06.2014
    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.
    18.06.2014
    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.
    18.06.2016
    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.
    18.06.2016
    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.
    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.
    40.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    444.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    1090.0
    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).
    1090.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    2.8
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    29
    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.
    SNADD FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    73° 51' 47.9'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    24° 32' 29.9'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    8198587.61
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    423751.01
    UTM zone
    Universal Transverse Mercator zone. Examples of legal values: 31, 32, 33, 34.
    35
    NPDID wellbore
    Norwegian Offshore Directorate's unique id for the wellbore.
    7481

  • Wellbore history
    General
    Well 7324/2-1 was drilled to test the Apollo prospect on the western flank of the Hoop Graben in the Barents Sea. The primary objective was to prove an economic volume of hydrocarbons in the Stø, Nordmela, Tubåen and Fruholmen formations in the Early-Middle Jurassic.
    Operations and results
    Wildcat well 7324/2-1 was spudded with the semi-submersible installation Transocean Spitsbergen on 1 June 2014 and drilled to TD at 1090 m in the Late Triassic Snadd Formation. A pilot well was drilled to a depth of 640 m to look for shallow gas. No shallow gas was encountered in the pilot hole. No significant problem was encountered in the operations. Drilling of the top hole down to the reservoir section was very fast, too fast for the well site geologist and mud logger to get good cuttings samples and look for shows in sandstone stringers. The well was drilled with seawater and hi-vis sweeps down to 639 m, with KCl/Polymer/Glycol mud from 639 m to 791 m, and with Low Sulphate/KCl/Polymer/Glycol mud from 791 m to TD.
    Top of the Jurassic Stø Formation was penetrated at 849 m, with sandstones from 857 m to top of the Late Triassic Fruholmen Formation at 871 m. These sandstones had moderate reservoir quality. Unfortunately, they were water wet. The Nordmela and Tubåen formations were not present in the well. The only hydrocarbon indications in the well were oil shows, described in the sidewall cores from the Snadd Formation between 893 m and 929 m.
    No cores were cut. MDT water samples were taken at 857.7 m.
    The well was permanently abandoned on 18 June 2014 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]
    650.00
    1090.00

  • 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
    533.0
    36
    536.0
    0.00
    INTERM.
    13 3/8
    629.1
    17 1/2
    639.0
    1.20
    FIT
    PILOT HOLE
    640.0
    8 1/2
    640.0
    0.00
    LINER
    9 5/8
    790.0
    12 1/4
    791.0
    1.47
    FIT
    OPEN HOLE
    1090.0
    8 1/2
    1090.0
    0.00

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    FMI MSIP
    790
    1090
    HRLA ZAIT PEX ECS
    689
    1098
    MDT
    853
    1080
    MSCT
    843
    989
    MSIP PEX ECS ZAIT
    484
    791
    MWD - TELE
    482
    536
    MWD - TELE ARCVRES8
    536
    794
    MWD - TELE675 RAB6 PERI15
    791
    1090
    VSP
    480
    1080

  • Lithostratigraphy

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    593
    1.12
    15.0
    KCl/Polymer/GEM
    791
    1.14
    17.0
    Low Sulphate/KCl/Polymer/Glycol
    791
    1.12
    21.0
    KCl/Polymer/Glycol
    791
    1.12
    21.0
    KCl/Polymer/Glycol
    791
    1.14
    17.0
    Low Sulphate/KCl/Polymer/Glycol
    825
    1.14
    17.0
    Low Sulphate/KCl/Polymer/Glycol
    1090
    1.14
    18.0
    Low Sulphate/KCl/Polymer/Glycol

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    647.0
    [m]
    DC
    ROBERTSO
    660.0
    [m]
    DC
    ROBERT
    670.0
    [m]
    DC
    ROBERT
    676.0
    [m]
    DC
    ROBERT
    682.0
    [m]
    DC
    ROBERT
    688.0
    [m]
    DC
    ROBERT
    694.0
    [m]
    DC
    ROBERT
    700.0
    [m]
    DC
    ROBERT
    706.0
    [m]
    DC
    ROBERT
    712.0
    [m]
    DC
    ROBERT
    718.0
    [m]
    DC
    ROBERT
    730.0
    [m]
    DC
    ROBERT
    740.0
    [m]
    DC
    ROBERT
    760.0
    [m]
    DC
    ROBERT
    770.0
    [m]
    DC
    ROBERT
    780.0
    [m]
    DC
    ROBERT
    790.0
    [m]
    DC
    ROBERT
    796.0
    [m]
    DC
    ROBERT
    802.0
    [m]
    DC
    ROBERT
    808.0
    [m]
    DC
    ROBERT
    814.0
    [m]
    DC
    ROBERT
    820.0
    [m]
    DC
    ROBERT
    823.0
    [m]
    DC
    ROBERT
    826.0
    [m]
    DC
    ROBERT
    829.0
    [m]
    DC
    ROBERT
    832.0
    [m]
    DC
    ROBERT
    835.0
    [m]
    DC
    ROBERT
    838.0
    [m]
    DC
    ROBERT
    841.0
    [m]
    DC
    ROBERT
    843.5
    [m]
    SWC
    ROBERT
    844.0
    [m]
    DC
    ROBERT
    847.0
    [m]
    DC
    ROBERT
    850.0
    [m]
    DC
    ROBERT
    850.5
    [m]
    SWC
    ROBERT
    853.0
    [m]
    DC
    ROBERT
    856.0
    [m]
    DC
    ROBERT
    859.0
    [m]
    DC
    ROBERT
    868.0
    [m]
    DC
    ROBERT
    877.0
    [m]
    DC
    ROBERT
    883.0
    [m]
    SWC
    ROBERT
    886.0
    [m]
    DC
    ROBERT
    890.7
    [m]
    SWC
    ROBERT
    895.0
    [m]
    DC
    ROBERT
    900.0
    [m]
    SWC
    ROBERT
    904.0
    [m]
    DC
    ROBERT
    913.0
    [m]
    DC
    ROBERT
    922.0
    [m]
    DC
    ROBERT
    931.0
    [m]
    DC
    ROBERT
    938.0
    [m]
    SWC
    ROBERT
    940.0
    [m]
    DC
    ROBERT
    949.0
    [m]
    DC
    ROBERT
    958.0
    [m]
    DC
    ROBERT
    967.0
    [m]
    DC
    ROBERT
    976.0
    [m]
    DC
    ROBERT
    978.5
    [m]
    SWC
    ROBERT
    985.0
    [m]
    DC
    ROBERT
    989.0
    [m]
    SWC
    ROBERT
    994.0
    [m]
    DC
    ROBERT
    1003.0
    [m]
    DC
    ROBERT
    1012.0
    [m]
    DC
    ROBERT
    1021.0
    [m]
    DC
    ROBERT
    1030.0
    [m]
    DC
    ROBERT
    1039.0
    [m]
    DC
    ROBERT
    1048.0
    [m]
    DC
    ROBERT
    1057.0
    [m]
    DC
    ROBERT
    1066.0
    [m]
    DC
    ROBERT
    1075.0
    [m]
    DC
    ROBERT
    1084.0
    [m]
    DC
    ROBERT
    1090.0
    [m]
    DC
    ROBERT