Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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08.05.2024 - 01:33
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6507/3-2

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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.
    6507/3-2
    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
    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.
    6507/3-2
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    ST 9601-407& SP 10697 x-over SG 8710-201
    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.
    884-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.
    22
    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,
    06.04.1997
    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.
    27.04.1997
    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.
    27.04.1999
    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.
    11.04.2003
    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
    Reentry
    Status whether the wellbore has been re-entered (YES) or not (NO). Re-entered wellbores are not included in the count when wellbores are presented in statistical overviews.
    NO
    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.
    23.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    410.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    2032.0
    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).
    2032.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    1
    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.
    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.
    RED BEDS (INFORMAL)
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    65° 45' 25.29'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    7° 55' 18.79'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7293435.73
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    450602.42
    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.
    2954

  • Wellbore history
    General
    Well 6507/3-2 was drilled in the Nordland III area, east of the Skarv Field. The main objective was to test the hydrocarbon potential in the Middle and Lower Jurassic Sandstones of the Fangst and Båt Groups.
    Operations and results
    Exploration well 6507/3-2 was spudded with the semi-submersible installation "Transocean 8" on 6 April 1997 and drilled to a total depth of 2032 m in the Triassic Red Beds. The well was drilled with seawater and hi-vis pills down to 1000 m and with Staplex / KCl / Polymer mud from 1000 m to TD. One run with the Western Atlas FMT tool was performed. Two conventional cores were cut. One was cut in the interval 1230 m to 1236 m in the Tilje Formation; the other was cut in the interval 1402 m to 1413 m in the Åre Formation. One sample containing gas was collected at 1206.5 m in the uppermost Fangst Group. The 10-litre chamber was emptied offshore. Analysis showed a dry, most likely biogenic gas, containing mainly C1 (97.3%), some C2 (2.3%) and traces of C3 (0.4%). The well was plugged and abandoned 27 April 1997 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]
    1000.00
    2035.00

  • 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
    1230.0
    1233.4
    [m ]
    2
    1402.0
    1409.8
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    11.2
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 1230-1234m
    Core photo at depth: 1402-1407m
    Core photo at depth: 1407-1410m
    Core photo at depth:  
    Core photo at depth:  
    1230-1234m
    1402-1407m
    1407-1410m

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    1102.0
    [m]
    DC
    GEOSTR
    1132.0
    [m]
    DC
    GEOSTR
    1174.0
    [m]
    DC
    GEOSTR
    1186.0
    [m]
    DC
    GEOSTR
    1189.0
    [m]
    DC
    GEOSTR
    1192.0
    [m]
    DC
    GEOSTR
    1195.0
    [m]
    DC
    GEOSTR
    1198.0
    [m]
    DC
    GEOSTR
    1210.0
    [m]
    DC
    GEOSTR
    1230.3
    [m]
    C
    GEOSTR
    1231.2
    [m]
    C
    GEOSTR
    1232.5
    [m]
    C
    GEOSTR
    1240.0
    [m]
    DC
    GEOSTR
    1258.0
    [m]
    DC
    GEOSTR
    1270.0
    [m]
    DC
    GEOSTR
    1276.0
    [m]
    DC
    GEOSTR
    1306.0
    [m]
    DC
    GEOSTR
    1330.0
    [m]
    DC
    GEOSTR
    1351.0
    [m]
    DC
    GEOSTR
    1363.0
    [m]
    DC
    GEOSTR
    1375.0
    [m]
    DC
    GEOSTR
    1381.0
    [m]
    DC
    GEOSTR
    1387.0
    [m]
    DC
    GEOSTR
    1402.0
    [m]
    DC
    GEOSTR
    1417.0
    [m]
    DC
    GEOSTR
    1423.0
    [m]
    DC
    GEOSTR
    1435.0
    [m]
    DC
    GEOSTR
    1441.0
    [m]
    DC
    GEOSTR
    1459.0
    [m]
    DC
    GEOSTR
    1471.0
    [m]
    DC
    GEOSTR
    1477.0
    [m]
    DC
    GEOSTR
    1483.0
    [m]
    DC
    GEOSTR
    1501.0
    [m]
    DC
    GEOSTR
    1519.0
    [m]
    DC
    GEOSTR
    1525.0
    [m]
    DC
    GEOSTR
    1537.0
    [m]
    DC
    GEOSTR
    1543.0
    [m]
    DC
    GEOSTR
    1549.0
    [m]
    DC
    GEOSTR
    1561.0
    [m]
    DC
    GEOSTR
    1570.0
    [m]
    DC
    GEOSTR
    1576.0
    [m]
    DC
    GEOSTR
    1597.0
    [m]
    DC
    GEOSTR
    1612.0
    [m]
    DC
    GEOSTR
    1618.0
    [m]
    DC
    GEOSTR
    1630.0
    [m]
    DC
    GEOSTR
    1636.0
    [m]
    DC
    GEOSTR
    1651.0
    [m]
    DC
    GEOSTR
    1660.0
    [m]
    DC
    GEOSTR
    1672.0
    [m]
    DC
    GEOSTR
    1678.0
    [m]
    DC
    GEOSTR
    1690.0
    [m]
    DC
    GEOSTR
    1696.0
    [m]
    DC
    GEOSTR
    1702.0
    [m]
    DC
    GEOSTR
    1708.0
    [m]
    DC
    GEOSTR
    1714.0
    [m]
    DC
    GEOSTR
    1726.0
    [m]
    DC
    GEOSTR
    1732.0
    [m]
    DC
    GEOSTR
    1744.0
    [m]
    DC
    GEOSTR
    1750.0
    [m]
    DC
    GEOSTR
    1768.0
    [m]
    DC
    GEOSTR
    1786.0
    [m]
    DC
    GEOSTR
    1798.0
    [m]
    DC
    GEOSTR
    1819.0
    [m]
    DC
    GEOSTR
    1828.0
    [m]
    DC
    GEOSTR
    1837.0
    [m]
    DC
    GEOSTR
    1855.0
    [m]
    DC
    GEOSTR
    1864.0
    [m]
    DC
    GEOSTR
    1882.0
    [m]
    DC
    GEOSTR
    1891.0
    [m]
    DC
    GEOSTR
    1900.0
    [m]
    DC
    GEOSTR
    1927.0
    [m]
    DC
    GEOSTR
    1936.0
    [m]
    DC
    GEOSTR
    1954.0
    [m]
    DC
    GEOSTR
    1963.0
    [m]
    DC
    GEOSTR
    1972.0
    [m]
    DC
    GEOSTR
    1990.0
    [m]
    DC
    GEOSTR
    1999.0
    [m]
    DC
    GEOSTR
    2008.0
    [m]
    DC
    GEOSTR
    2026.0
    [m]
    DC
    GEOSTR
    2032.0
    [m]
    DC
    GEOSTR

  • Lithostratigraphy
    Lithostratigraphy
    Top depth [mMD RKB]
    Lithostrat. unit
    433
    433
    1121
    1200
    1200
    1205
    1210
    1210
    1225
    1274
    1780
    2008

  • 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
    1.44

  • 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
    1.67
    pdf
    29.86

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    FMT CHT GR
    1122
    1976
    HDIP CHT GR
    993
    2022
    MLL DLL MAC DSL CHT
    760
    2031
    MWD DPR-II
    433
    497
    MWD DPR-T4
    1000
    2032
    MWD DPR-TF4
    498
    1000
    SWC GR
    1009
    2019
    VSP GR
    636
    2022
    ZDL CDL DSL CHT
    990
    2024

  • 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
    493.0
    36
    494.0
    0.00
    LOT
    SURF.COND.
    13 3/8
    994.0
    17 1/2
    995.0
    1.58
    LOT
    OPEN HOLE
    2032.0
    8 1/2
    2032.0
    0.00
    LOT

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    1000
    1.03
    DUMMY
    1190
    1.20
    23.0
    KCL/GLYCOL/PHPA
    1200
    1.17
    21.0
    QUADRILL
    1207
    1.24
    22.0
    KCL/GLYCOL/PHPA
    1236
    1.17
    DUMMY
    1413
    1.20
    23.0
    KCL/GLYCOL/PHPA
    1852
    1.23
    23.0
    KCL/GLYCOL/PHPA
    1983
    1.24
    22.0
    KCL/GLYCOL/PHPA
    2032
    1.25
    DUMMY

  • Pressure plots
    Pressure plots
    The pore pressure data is sourced from well logs if no other source is specified. In some wells where pore pressure logs do not exist, information from Drill stem tests and kicks have been used. The data has been reported to the NPD, and further processed and quality controlled by IHS Markit.
    Pressure plots
    Document name
    Document format
    Document size [MB]
    PDF
    0.26