Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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31.10.2024 - 01:27
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6507/3-3 A

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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.
    6507/3-3 A
    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).
    APPRAISAL
    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
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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
    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.
    6507/3-3
    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.
    Den norske stats oljeselskap a.s
    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.
    949-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.
    43
    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,
    25.03.1999
    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.
    06.05.1999
    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.
    06.05.2001
    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.
    15.11.2001
    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.
    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.
    NO
    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.
    FANGST GP
    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.
    391.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    4528.0
    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).
    3692.5
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    115
    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.
    NOT FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    65° 48' 3.73'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    7° 43' 28.69'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7298509.86
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    441665.21
    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.
    3718

  • Wellbore history
    General
    The main objectives for the wells were to test a possible oil leg in the downtfaulted eastern segment of the Idun structure, and to establish the hydrocarbon-water contact.
    Operations and results
    The original well, 6507/3-3, was sidetracked from 1785 mMD RKB and drilled to depth 4528 mMD RKB. The sidetrack was named 6507/3-3A. When drilling the Not Formation in this well, the wellpath re-entered the stratigraphic younger Melke Formation through an unprognosed fault. A new sidetrack was drilled from 6507/3-3 A with kick off point at 3754 mMD RT, by milling through the 9 5/8" casing. The new sidetrack, 6507/3-3B, was drilled to a total depth 4275 mMD RKB into the Tilje Formation. Gas was proven in the Jurassic sandstones. No cores were cut in the side track wells. An MDT sample containing gas was collected in the Garn Formation in well 6507/3-3A and another MDT sample containing water and gas was collected from the Ile Formation in well 6507/3-3B. The wells were plugged and abandoned on 6th of may 1999 (A-track) and 16th of june 1999 (B-track).
    Testing
    No DST 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]
    1820.00
    4520.00

  • 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
    INTERM.
    9 5/8
    3752.0
    12 1/4
    3757.0
    1.58
    LOT
    OPEN HOLE
    4528.0
    8 1/2
    4528.0
    0.00
    LOT

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    DIR
    3752
    3761
    DSI GR
    3050
    3892
    MDT GR
    3802
    3875
    RNT TC
    3805
    4528

  • Lithostratigraphy

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.25

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    1.72
    pdf
    1.89
    pdf
    1.43
    pdf
    1.37

  • 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
    1.78
    .pdf
    25.84

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    453
    1.03
    seawater/pa
    481
    1.03
    seawater/pa
    673
    1.03
    seawater/pa
    861
    1.20
    19.0
    13.5
    seawater/pa
    1270
    1.21
    20.0
    19.0
    oil based
    1719
    1.58
    44.0
    23.5
    oil based
    1733
    1.58
    44.0
    23.5
    oil based
    1785
    1.50
    oil based m
    3805
    1.50
    oil based m
    4528
    1.20
    oil based m

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    3080.0
    [m]
    DC
    GEOSTR
    3095.0
    [m]
    DC
    GEOSTR
    3110.0
    [m]
    DC
    GEOSTR
    3125.0
    [m]
    DC
    GEOSTR
    3140.0
    [m]
    DC
    GEOSTR
    3155.0
    [m]
    DC
    GEOSTR
    3170.0
    [m]
    DC
    GEOSTR
    3185.0
    [m]
    DC
    GEOSTR
    3200.0
    [m]
    DC
    GEOSTR
    3215.0
    [m]
    DC
    GEOSTR
    3230.0
    [m]
    DC
    GEOSTR
    3245.0
    [m]
    DC
    GEOSTR
    3260.0
    [m]
    DC
    GEOSTR
    3275.0
    [m]
    DC
    GEOSTR
    3290.0
    [m]
    DC
    GEOSTR
    3305.0
    [m]
    DC
    GEOSTR
    3320.0
    [m]
    DC
    GEOSTR
    3335.0
    [m]
    DC
    GEOSTR
    3350.0
    [m]
    DC
    GEOSTR
    3365.0
    [m]
    DC
    GEOSTR
    3380.0
    [m]
    DC
    GEOSTR
    3395.0
    [m]
    DC
    GEOSTR
    3410.0
    [m]
    DC
    GEOSTR
    3425.0
    [m]
    DC
    GEOSTR
    3440.0
    [m]
    DC
    GEOSTR
    3455.0
    [m]
    DC
    GEOSTR
    3470.0
    [m]
    DC
    GEOSTR
    3485.0
    [m]
    DC
    GEOSTR
    3500.0
    [m]
    DC
    GEOSTR
    3515.0
    [m]
    DC
    GEOSTR
    3530.0
    [m]
    DC
    GEOSTR
    3545.0
    [m]
    DC
    GEOSTR
    3560.0
    [m]
    DC
    GEOSTR
    3575.0
    [m]
    DC
    GEOSTR
    3590.0
    [m]
    DC
    GEOSTR
    3605.0
    [m]
    DC
    GEOSTR
    3620.0
    [m]
    DC
    GEOSTR
    3635.0
    [m]
    DC
    GEOSTR
    3650.0
    [m]
    DC
    GEOSTR
    3665.0
    [m]
    DC
    GEOSTR
    3680.0
    [m]
    DC
    GEOSTR
    3695.0
    [m]
    DC
    GEOSTR
    3710.0
    [m]
    DC
    GEOSTR
    3715.0
    [m]
    DC
    GEOSTR
    3720.0
    [m]
    DC
    GEOSTR
    3725.0
    [m]
    DC
    GEOSTR
    3730.0
    [m]
    DC
    GEOSTR
    3735.0
    [m]
    DC
    GEOSTR
    3740.0
    [m]
    DC
    GEOSTR
    3745.0
    [m]
    DC
    GEOSTR
    3750.0
    [m]
    DC
    GEOSTR
    3755.0
    [m]
    DC
    GEOSTR
    3760.0
    [m]
    DC
    GEOSTR
    3765.0
    [m]
    DC
    GEOSTR
    3770.0
    [m]
    DC
    GEOSTR
    3775.0
    [m]
    DC
    GEOSTR
    3780.0
    [m]
    DC
    GEOSTR
    3785.0
    [m]
    DC
    GEOSTR
    3790.0
    [m]
    DC
    GEOSTR
    3795.0
    [m]
    DC
    GEOSTR
    3800.0
    [m]
    DC
    GEOSTR
    3805.0
    [m]
    DC
    GEOSTR
    3840.0
    [m]
    DC
    GEOSTR
    3850.0
    [m]
    DC
    GEOSTR
    3860.0
    [m]
    DC
    GEOSTR
    3870.0
    [m]
    DC
    GEOSTR
    3880.0
    [m]
    DC
    GEOSTR
    3890.0
    [m]
    DC
    GEOSTR
    3900.0
    [m]
    DC
    GEOSTR
    3910.0
    [m]
    DC
    GEOSTR
    3920.0
    [m]
    DC
    GEOSTR
    3930.0
    [m]
    DC
    GEOSTR
    3940.0
    [m]
    DC
    GEOSTR
    3950.0
    [m]
    DC
    GEOSTR
    3960.0
    [m]
    DC
    GEOSTR
    3970.0
    [m]
    DC
    GEOSTR
    3980.0
    [m]
    DC
    GEOSTR
    3990.0
    [m]
    DC
    GEOSTR
    4000.0
    [m]
    DC
    GEOSTR
    4010.0
    [m]
    DC
    GEOSTR
    4020.0
    [m]
    DC
    GEOSTR
    4030.0
    [m]
    DC
    GEOSTR
    4040.0
    [m]
    DC
    GEOSTR
    4050.0
    [m]
    DC
    GEOSTR
    4060.0
    [m]
    DC
    GEOSTR
    4070.0
    [m]
    DC
    GEOSTR
    4080.0
    [m]
    DC
    GEOSTR
    4090.0
    [m]
    DC
    GEOSTR
    4100.0
    [m]
    DC
    GEOSTR
    4110.0
    [m]
    DC
    GEOSTR
    4120.0
    [m]
    DC
    GEOSTR
    4130.0
    [m]
    DC
    GEOSTR
    4140.0
    [m]
    DC
    GEOSTR
    4150.0
    [m]
    DC
    GEOSTR
    4160.0
    [m]
    DC
    GEOSTR
    4170.0
    [m]
    DC
    GEOSTR
    4180.0
    [m]
    DC
    GEOSTR
    4190.0
    [m]
    DC
    GEOSTR
    4200.0
    [m]
    DC
    GEOSTR
    4210.0
    [m]
    DC
    GEOSTR
    4220.0
    [m]
    DC
    GEOSTR
    4230.0
    [m]
    DC
    GEOSTR
    4240.0
    [m]
    DC
    GEOSTR
    4250.0
    [m]
    DC
    GEOSTR
    4260.0
    [m]
    DC
    GEOSTR
    4270.0
    [m]
    DC
    GEOSTR
    4280.0
    [m]
    DC
    GEOSTR
    4290.0
    [m]
    DC
    GEOSTR
    4300.0
    [m]
    DC
    GEOSTR
    4310.0
    [m]
    DC
    GEOSTR
    4320.0
    [m]
    DC
    GEOSTR
    4330.0
    [m]
    DC
    GEOSTR
    4340.0
    [m]
    DC
    GEOSTR
    4350.0
    [m]
    DC
    GEOSTR
    4360.0
    [m]
    DC
    GEOSTR
    4370.0
    [m]
    DC
    GEOSTR
    4380.0
    [m]
    DC
    GEOSTR
    4390.0
    [m]
    DC
    GEOSTR
    4400.0
    [m]
    DC
    GEOSTR
    4410.0
    [m]
    DC
    GEOSTR
    4420.0
    [m]
    DC
    GEOSTR
    4430.0
    [m]
    DC
    GEOSTR
    4440.0
    [m]
    DC
    GEOSTR
    4450.0
    [m]
    DC
    GEOSTR
    4460.0
    [m]
    DC
    GEOSTR
    4470.0
    [m]
    DC
    GEOSTR
    4480.0
    [m]
    DC
    GEOSTR
    4490.0
    [m]
    DC
    GEOSTR
    4500.0
    [m]
    DC
    GEOSTR
    4510.0
    [m]
    DC
    GEOSTR
    4520.0
    [m]
    DC
    GEOSTR