Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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22.11.2024 - 09:09
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6507/10-1

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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.
    6507/10-1
    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
    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.
    NORWEGIAN SEA
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    6507/10-1
    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.
    BP Norway Limited U.A.
    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.
    337-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.
    114
    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,
    10.07.1982
    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.
    31.10.1982
    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.
    31.10.1984
    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.
    13.12.2005
    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.
    25.0
    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).
    3693.0
    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).
    3687.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    8.5
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    112
    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.
    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° 13' 10.75'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    7° 14' 0.47'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7234272.64
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    417384.99
    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.
    81

  • Wellbore history
    General
    Exploration well 6507/10-1 was the sixth well drilled on the Mid Norway continental shelf area. It is located in between later discoveries such as SmØrbukk, Heidrun, and Midgard. The main targets of the well were sandstones of middle to Late Jurassic age. Secondary targets were sandstones of Early Tertiary, Early Jurassic and Triassic age.
    The well is Reference Well for the Ror Formation.
    Operations and results
    Wildcat well 6507/10-1 was spudded with the semi-submersible installation Sedco 707 on 10 July 1982 and drilled to TD at 3693 m in the Åre Formation. Tight hole was experienced at the bottom of the 13 3/8" section. While drilling the 12 1/4" section the drill string stuck. After several attempts to free the string, the well was sidetracked. The sidetrack was drilled to 2007 m where the string again got stuck. The well was then sidetracked again to 2220 m at which point the string got stuck again. This time the string was jarred free and the 12 1/4" hole was finally drilled to 2780 m. Problems with the BOP and wellhead delayed operations in the 8 1/2" section. The well was drilled with spud mud down to 440 m, with a sea water/clay built native mud from 440 m to 913 m, and with CMC/gypsum mud from 1971 m to 2149 m. From 2149 m to 2780 m the mud was gradually broken over to a lignosulphonate (Spersene) mud, and from 2780 m to TD a Spersene/XP 20 mud was used.
    Sandstones were found in the Middle and Early Jurassic. The Early Tertiary sandstones were not present. The Triassic sandstone horizon was not penetrated. An 11% methane gas peak was recorded from a Miocene sandstone at 590 m but no fluorescence was noted. Sandstone in the interval 1790-1805 m produced a slow crush cut fluorescence as did the Late Jurassic mudstone between 2779 m and 2828 m in the Spekk Formation. These were the only hydrocarbon indications recorded in the well. Logs and RFT pressure gradients proved all potential reservoir sections in the well to be 100% water wet. Organic geochemical analysis of the Jurassic sandstones confirmed the general lack of migrated hydrocarbons and found the well to be thermally immature down to about ca 3000 m.
    Two cores were taken at 2880.5 m to 2889.5 m and 3073.6 m to 3083.2 m in the Ile and Tilje Formations, respectively.
    No fluid samples were taken.
    The well was permanently abandoned on 31 October 1982 as a dry well.
    Testing
    No drill stem test was performed in the well.

  • 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]
    440.00
    3695.00

  • 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
    2880.5
    2887.4
    [m ]
    2
    3073.6
    3081.9
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    15.2
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 2880-2886m
    Core photo at depth: 2886-2887m
    Core photo at depth: 3073-3079m
    Core photo at depth: 3079-3081m
    Core photo at depth:  
    2880-2886m
    2886-2887m
    3073-3079m
    3079-3081m

  • 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
    436.0
    36
    440.0
    0.00
    LOT
    SURF.COND.
    18 5/8
    903.0
    24
    913.0
    1.50
    LOT
    INTERM.
    13 3/8
    1954.0
    17 1/2
    1971.0
    1.48
    LOT
    OPEN HOLE
    1990.0
    12 1/4
    1990.0
    0.00
    LOT
    OPEN HOLE
    2149.0
    12 1/4
    2149.0
    0.00
    LOT
    INTERM.
    9 5/8
    2771.0
    12 1/4
    2780.0
    1.87
    LOT
    OPEN HOLE
    3693.0
    8 1/2
    3693.0
    0.00
    LOT

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    CBL VDL GR
    1480
    2769
    CBL VDL GR
    1700
    1951
    CST GR
    2775
    3667
    HDT
    2770
    3415
    ISF BFCS MSFL CAL GR SP
    903
    1969
    ISF BHCS GR SP
    436
    897
    ISF BHCS MSFL CAL GR SP
    1818
    2779
    ISF BHCS MSFL CAL GR SP
    2770
    3697
    LDL CNL CAL GR
    2770
    3697
    RFT GR
    2884
    3658
    VSP
    475
    3685

  • Lithostratigraphy

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.63

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    0.22
    pdf
    0.28
    pdf
    1.21
    pdf
    1.53

  • 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
    14.43
    pdf
    1.52
    pdf
    33.04
    pdf
    34.00
    pdf
    0.32
    pdf
    0.56
    pdf
    2.21
    pdf
    19.93
    pdf
    12.26
    pdf
    32.84
    pdf
    73.69
    pdf
    16.62
    pdf
    1.08
    pdf
    7.69

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    450.0
    [m]
    DC
    BP
    520.0
    [m]
    DC
    BP
    620.0
    [m]
    DC
    BP
    720.0
    [m]
    DC
    BP
    820.0
    [m]
    DC
    BP
    920.0
    [m]
    DC
    BP
    1020.0
    [m]
    DC
    BP
    1120.0
    [m]
    DC
    BP
    1220.0
    [m]
    DC
    BP
    1320.0
    [m]
    DC
    BP
    1420.0
    [m]
    DC
    BP
    1520.0
    [m]
    DC
    BP
    1620.0
    [m]
    DC
    BP
    1670.0
    [m]
    DC
    BP
    1720.0
    [m]
    DC
    BP
    1770.0
    [m]
    DC
    BP
    1795.0
    [m]
    DC
    BP
    1820.0
    [m]
    DC
    BP
    1870.0
    [m]
    DC
    BP
    1895.0
    [m]
    DC
    BP
    1920.0
    [m]
    DC
    BP
    1945.0
    [m]
    DC
    BP
    1975.0
    [m]
    DC
    BP
    2000.0
    [m]
    DC
    BP
    2030.0
    [m]
    DC
    BP
    2040.0
    [m]
    DC
    BP
    2050.0
    [m]
    DC
    BP
    2075.0
    [m]
    DC
    BP
    2080.0
    [m]
    DC
    SAGA
    2090.0
    [m]
    DC
    BP
    2090.0
    [m]
    DC
    SAGA
    2100.0
    [m]
    DC
    BP
    2100.0
    [m]
    DC
    SAGA
    2105.0
    [m]
    DC
    BP
    2110.0
    [m]
    DC
    BP
    2110.0
    [m]
    DC
    SAGA
    2120.0
    [m]
    DC
    BP
    2130.0
    [m]
    DC
    SAGA
    2135.0
    [m]
    DC
    BP
    2150.0
    [m]
    DC
    BP
    2150.0
    [m]
    DC
    SAGA
    2170.0
    [m]
    DC
    SAGA
    2190.0
    [m]
    DC
    SAGA
    2200.0
    [m]
    DC
    BP
    2210.0
    [m]
    DC
    SAGA
    2230.0
    [m]
    DC
    SAGA
    2250.0
    [m]
    DC
    BP
    2250.0
    [m]
    DC
    SAGA
    2270.0
    [m]
    DC
    SAGA
    2290.0
    [m]
    DC
    SAGA
    2300.0
    [m]
    DC
    BP
    2310.0
    [m]
    DC
    SAGA
    2330.0
    [m]
    DC
    SAGA
    2350.0
    [m]
    DC
    BP
    2350.0
    [m]
    DC
    SAGA
    2370.0
    [m]
    DC
    SAGA
    2390.0
    [m]
    DC
    SAGA
    2400.0
    [m]
    DC
    BP
    2410.0
    [m]
    DC
    SAGA
    2430.0
    [m]
    DC
    SAGA
    2450.0
    [m]
    DC
    BP
    2455.0
    [m]
    DC
    SAGA
    2470.0
    [m]
    DC
    SAGA
    2490.0
    [m]
    DC
    SAGA
    2500.0
    [m]
    DC
    BP
    2510.0
    [m]
    DC
    SAGA
    2530.0
    [m]
    DC
    SAGA
    2550.0
    [m]
    DC
    BP
    2550.0
    [m]
    DC
    SAGA
    2570.0
    [m]
    DC
    SAGA
    2590.0
    [m]
    DC
    SAGA
    2600.0
    [m]
    DC
    BP
    2610.0
    [m]
    DC
    SAGA
    2630.0
    [m]
    DC
    SAGA
    2650.0
    [m]
    DC
    BP
    2650.0
    [m]
    DC
    SAGA
    2670.0
    [m]
    DC
    SAGA
    2690.0
    [m]
    DC
    SAGA
    2700.0
    [m]
    DC
    BP
    2700.0
    [m]
    DC
    SAGA
    2710.0
    [m]
    DC
    SAGA
    2720.0
    [m]
    DC
    SAGA
    2730.0
    [m]
    DC
    BP
    2730.0
    [m]
    DC
    SAGA
    2740.0
    [m]
    DC
    SAGA
    2750.0
    [m]
    DC
    BP
    2750.0
    [m]
    DC
    SAGA
    2760.0
    [m]
    DC
    SAGA
    2770.0
    [m]
    DC
    SAGA
    2775.0
    [m]
    SWC
    BP
    2775.0
    [m]
    DC
    SAGA
    2780.0
    [m]
    DC
    BP
    2780.0
    [m]
    SWC
    BP
    2780.0
    [m]
    DC
    SAGA
    2785.0
    [m]
    SWC
    BP
    2790.0
    [m]
    SWC
    BP
    2807.0
    [m]
    DC
    BP
    2810.0
    [m]
    SWC
    BP
    2825.0
    [m]
    DC
    BP
    2831.0
    [m]
    SWC
    BP
    2848.0
    [m]
    SWC
    BP
    2852.0
    [m]
    DC
    BP
    2877.0
    [m]
    SWC
    BP
    2879.0
    [m]
    DC
    BP
    2912.0
    [m]
    DC
    BP
    2951.0
    [m]
    DC
    BP
    2975.0
    [m]
    DC
    BP
    2996.0
    [m]
    SWC
    BP
    3002.0
    [m]
    DC
    BP
    3005.0
    [m]
    SWC
    BP
    3032.0
    [m]
    DC
    BP
    3055.0
    [m]
    DC
    BP
    3081.0
    [m]
    DC
    BP
    3082.2
    [m]
    DC
    BP
    3098.0
    [m]
    DC
    BP
    3120.0
    [m]
    SWC
    BP
    3145.0
    [m]
    DC
    BP
    3200.0
    [m]
    DC
    BP
    3251.0
    [m]
    DC
    BP
    3276.0
    [m]
    SWC
    BP
    3301.0
    [m]
    SWC
    BP
    3302.0
    [m]
    DC
    BP
    3350.0
    [m]
    DC
    BP
    3400.0
    [m]
    SWC
    BP
    3401.0
    [m]
    DC
    BP
    3450.0
    [m]
    SWC
    BP
    3452.0
    [m]
    DC
    BP
    3499.0
    [m]
    SWC
    BP
    3500.0
    [m]
    DC
    BP
    3548.0
    [m]
    DC
    BP
    3560.0
    [m]
    DC
    BP
    3602.0
    [m]
    DC
    BP
    3603.9
    [m]
    SWC
    BP
    3647.0
    [m]
    DC
    BP
    3656.0
    [m]
    DC
    BP
    3671.0
    [m]
    DC
    BP
    3695.0
    [m]
    DC
    BP