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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6507/10-2 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.
    6507/10-2 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
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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.
    NORWEGIAN SEA
    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.
    6507/10-2
    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.
    Faroe Petroleum Norge 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.
    1467-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.
    93
    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,
    10.11.2013
    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.
    10.02.2014
    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.
    10.02.2016
    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.
    10.02.2016
    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.
    OIL/GAS
    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.
    GARN FM
    Kelly bushing elevation [m]
    Elevation of the rotary kelly bushing (RKB) above mean sea level.
    36.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    297.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    3020.0
    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).
    2993.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    15.1
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    108
    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.
    ÅRE FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    65° 12' 48.44'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    7° 16' 58.7'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7233518.21
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    419681.08
    UTM zone
    Universal Transverse Mercator zone. Examples of legal values: 31, 32, 33, 34.
    32
    NPDID wellbore
    Norwegian Offshore Directorate's unique id for the wellbore.
    7300

  • Wellbore history
    General
    Well 6507/10-2 S was drilled to test the Novus prospect on the Halten Terrace, about 13 km south of the Heidrun platform in the Norwegian Sea . The primary exploration target for the well was to prove petroleum in Middle Jurassic reservoir rocks (Garn and Ile formations). The secondary exploration target was to prove petroleum in Lower Jurassic reservoir rocks (Tilje formation).
    Operations and results
    Wildcat well 6507/10-2 S was spudded with the semi-submersible installation  West Navigator on 10 November and drilled to TD at 3020 m (2993 m TVD) in the Early Jurassic Åre Formation. A 9 7/8" pilot hole was drilled from 403 to 564 m without any shallow gas observed. The well was drilled S-shaped with kick-off at 1485 m, a sail angle of 15°, and vertical again from ca 2460 m. Drilling commenced in rough weather, leading to 961.75 hrs of WOW (42 % of the total rig time). The well was drilled with seawater and hi-vis pills down to 564 m, with Aquadrill mud from 564 m to 1479 m, and with Carbosea oil based mud from 1475 m to TD.
    Top of primary target Garn Formation came in at 2655.4 m (2629.2 m TVD) with gas down to the GOC at 2666.5 m (2641.8 m TVD) and oil down to the OWC at 2680.2 m (2654 m TVD) based on MDT pressure gradients and fluid sampling. The reservoir was thicker and with better quality than expected. The other exploration targets in the Ile and Tilje formations were water bearing. No shows were recorded outside of the hydrocarbon bearing Garn Formation.
    One core was cut from 2657 to 2682 m with 86% recovery. The missing 3.4 m of core was probably left in the hole, as the core was found sitting on top of the catcher when laying down at surface.  MDT fluid samples were taken at 2658.5 m (gas), 2671 m (oil), 2674 m (oil), 2681.4 m (water), and at 2699 m (water).
    The well was permanently abandoned on 11. February as an oil and gas 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]
    570.00
    3020.00

  • 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
    2657.0
    2678.6
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    21.6
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • 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
    MDT
    2674.00
    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
    398.0
    42x36
    403.2
    0.00
    SURF.COND.
    20
    561.0
    26
    564.0
    0.00
    INTERM.
    13 3/8
    1469.0
    17 1/2
    1475.0
    0.00
    LINER
    9 5/8
    2577.0
    12 1/4
    2586.0
    1.70
    FIT
    OPEN HOLE
    3020.0
    8 1/2
    3020.0
    0.00

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    MDT GR
    2655
    2979
    MDT GR
    2699
    2658
    MWD-DIR GR RES PWD
    333
    1475
    MWD-NB GRRES PWD DIR SON
    1475
    2586
    MWD-NBGR RES DEN POR PWD CAL DI
    2586
    3020
    PEX ZAIT HNGS
    2577
    3015
    PPC MSIP GPIT GR
    2577
    3022
    VSI GR
    1506
    2771
    VSI GR
    2771
    3000

  • Lithostratigraphy

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    357
    1.49
    22.0
    Spud kill mud
    554
    1.14
    13.0
    Aquadrill WBM
    564
    1.16
    40.0
    Bentonite Hi-Vis
    564
    1.49
    22.0
    Spud kill mud
    583
    1.13
    18.0
    Aquadrill WBM
    1096
    1.18
    17.0
    Aquadrill WBM
    1475
    1.21
    16.0
    Aquadrill WBM
    1694
    1.49
    28.0
    OBM
    2403
    1.62
    43.0
    OBM
    2586
    1.49
    31.0
    OBM
    2681
    1.49
    30.0
    OBM
    2759
    1.49
    31.0
    OBM
    3020
    1.49
    29.0
    OBM

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    2626.0
    [m]
    DC
    PETROSTR
    2629.0
    [m]
    DC
    PETROSTR
    2632.0
    [m]
    DC
    PETROSTR
    2635.0
    [m]
    DC
    PETROSTR
    2638.0
    [m]
    DC
    PETROSTR
    2641.0
    [m]
    DC
    PETROSTR
    2644.0
    [m]
    DC
    PETROSTR
    2647.0
    [m]
    DC
    PETROSTR
    2650.0
    [m]
    DC
    PETROSTR
    2653.0
    [m]
    DC
    PETROSTR
    2656.0
    [m]
    DC
    PETROSTR
    2659.0
    [m]
    DC
    PETROSTR
    2662.0
    [m]
    DC
    PETROSTR
    2665.0
    [m]
    DC
    PETROSTR
    2683.0
    [m]
    DC
    PETROSTR
    2686.0
    [m]
    DC
    PETROSTR
    2689.0
    [m]
    DC
    PETROSTR
    2692.0
    [m]
    DC
    PETROSTR
    2695.0
    [m]
    DC
    PETROSTR
    2704.0
    [m]
    DC
    PETROSTR
    2713.0
    [m]
    DC
    PETROSTR
    2722.0
    [m]
    DC
    PETROSTR
    2731.0
    [m]
    DC
    PETROSTR
    2740.0
    [m]
    DC
    PETROSTR
    2749.0
    [m]
    DC
    PETROSTR