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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6609/10-1

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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.
    6609/10-1
    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
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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
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    6609/10-1
    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.
    Saga Petroleum ASA
    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.
    383-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.
    28
    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,
    02.08.1983
    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.
    29.08.1983
    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.
    29.08.1985
    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.
    30.06.2005
    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.
    26.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    262.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    2167.0
    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).
    2167.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    2.25
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    64
    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.
    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.
    66° 14' 42.27'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    9° 14' 59.5'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7347436.33
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    511231.96
    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.
    24

  • Wellbore history
    General
    Wildcat well 6609/10-1 is located on the Trøndelag Platform outside Mid Norway. The objective was to test the entire stratigraphic column between the seabed and into the Late Triassic. The primary target of the well was Jurassic sandstones on the Nordland Ridge, secondary to test possible sand development in the Paleocene.
    Operations and results
    Wildcat well 6609/10-1 was spudded with the semi-submersible installation Treasure Saga on 2 August 1983 and drilled to TD at 2167 m in the Late Triassic Red Beds. The well was drilled with spud mud down to 413 m, adding some lignosulphonate (Unical) from 413 m to 1265 m, and with a full lignosulphonate mud from 1265 m to TD.
    Apart from the glaciomarine sands and silts of Pleistocene age at the top, the well proved mainly clay and clay stone down to the Lower Jurassic Sandstone. In the Tertiary two unconformities were seen; a Late Miocene unconformity at 1312 m and a major unconformity at 1367 m, ranging in age from Early Eocene to Middle Miocene. The Tertiary unconformably overlies the Late Cretaceous, which in the well is of Campanian-Early Maastrichtian age. This section rests unconformably on Middle Jurassic (Late Toarcian-Early Bajocian) claystones at 1605 m. Beneath a Middle/Early Jurassic unconformity at 1642 m the well penetrated Tilje Formation Sandstone (143 m thick), the Åre Formation 1733 - 1993 m) and the Triassic Grey and Red Beds. Both the Tilje and Åre Formation sandstones had significant shale content. The drilling proved the pressure to be hydrostatic throughout the entire well. The formation pressure is approximately 170 bar at 1700 m. The sand intervals apparently belong to the same pressure regime. All sands proved water bearing. No shows were recorded in any section of the well.
    As the Late Jurassic was not present in the well location the only potential source rock found in the well was the Early Jurassic - Late Triassic "Coal Unit" (Åre Formation). The entire well was found immature for any petroleum generation and no migrant hydrocarbons could be detected by organic geochemical analyses.
    Two conventional cores were cut, one near the top of the Tilje Formation and one near the top of the Åre Formation. A full suit of logs was run over the sand intervals, but no fluid sample was taken.
    The well was permanently abandoned on 29 August 1983 as a dry hole.
    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]
    420.00
    2166.00

  • 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
    1644.0
    1655.7
    [m ]
    2
    1798.0
    1807.4
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    21.1
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 1644-1647m
    Core photo at depth: 1648-1651m
    Core photo at depth: 1652-1655m
    Core photo at depth: 1798-1802m
    Core photo at depth: 1802-1806m
    1644-1647m
    1648-1651m
    1652-1655m
    1798-1802m
    1802-1806m
    Core photo at depth: 1806-1807m
    Core photo at depth:  
    Core photo at depth:  
    Core photo at depth:  
    Core photo at depth:  
    1806-1807m

  • 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
    413.0
    36
    415.0
    1.38
    LOT
    SURF.COND.
    20
    654.0
    26
    668.0
    1.56
    LOT
    INTERM.
    13 3/8
    1247.0
    17 1/2
    1265.0
    1.87
    LOT
    OPEN HOLE
    2166.0
    12 1/4
    2166.0
    0.00
    LOT

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    ACBL
    300
    1247
    CALIPER
    400
    667
    CDL CNL CAL GR
    653
    1265
    CDL CNL CAL GR
    1246
    2167
    COREGUN
    1246
    2167
    DIFL LSBHC GR SP
    413
    667
    DIFL LSBHC GR SP
    653
    1265
    DIFL LSBHC GR SP
    1246
    2167
    FMT
    1246
    2167
    GR
    262
    413
    HRDIP
    1246
    2167
    SPECTRALOG
    1246
    2167
    VELOCITY
    0
    0

  • Lithostratigraphy

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.29

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    0.13
    pdf
    2.99
    pdf
    7.66

  • 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
    14.44

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    400
    1.06
    30.0
    spud mud
    668
    1.15
    30.0
    water based
    927
    1.26
    30.0
    water based
    1352
    1.37
    30.0
    water based
    1807
    1.36
    35.0
    water based
    2130
    1.27
    18.0
    water based

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    1380.0
    [m]
    DC
    OD
    1405.0
    [m]
    DC
    OD
    1475.0
    [m]
    SWC
    PAS
    1480.0
    [m]
    DC
    OD
    1485.0
    [m]
    SWC
    PAS
    1490.0
    [m]
    DC
    OD
    1495.0
    [m]
    SWC
    PAS
    1500.0
    [m]
    DC
    OD
    1505.0
    [m]
    DC
    OD
    1509.0
    [m]
    DC
    OD
    1515.0
    [m]
    DC
    OD
    1521.0
    [m]
    DC
    OD
    1524.0
    [m]
    DC
    OD
    1525.0
    [m]
    SWC
    PAS
    1530.0
    [m]
    DC
    OD
    1535.0
    [m]
    SWC
    PAS
    1539.0
    [m]
    DC
    OD
    1545.0
    [m]
    SWC
    PAS
    1551.0
    [m]
    DC
    OD
    1555.0
    [m]
    SWC
    PAS
    1565.0
    [m]
    SWC
    PAS
    1569.0
    [m]
    DC
    OD
    1572.0
    [m]
    DC
    OD
    1575.0
    [m]
    SWC
    PAS
    1578.0
    [m]
    DC
    OD
    1585.0
    [m]
    SWC
    PAS
    1590.0
    [m]
    DC
    OD
    1595.0
    [m]
    SWC
    PAS
    1600.0
    [m]
    SWC
    PAS
    1607.0
    [m]
    SWC
    PAS
    1611.0
    [m]
    DC
    OD
    1620.0
    [m]
    DC
    OD
    1620.0
    [m]
    SWC
    PAS
    1625.0
    [m]
    SWC
    PAS
    1629.0
    [m]
    DC
    OD
    1638.0
    [m]
    DC
    OD
    1644.0
    [m]
    DC
    OD
    1647.0
    [m]
    C
    PAS
    1650.0
    [m]
    C
    PAS
    1653.0
    [m]
    C
    OD
    1665.0
    [m]
    DC
    PAS
    1680.0
    [m]
    DC
    PAS
    1695.0
    [m]
    DC
    PAS
    1701.0
    [m]
    DC
    OD
    1713.0
    [m]
    DC
    PAS
    1722.0
    [m]
    DC
    PAS
    1740.0
    [m]
    DC
    PAS
    1758.0
    [m]
    DC
    PAS
    1759.0
    [m]
    SWC
    PAS
    1770.0
    [m]
    DC
    PAS
    1770.0
    [m]
    DC
    OD
    1786.0
    [m]
    SWC
    PAS
    1791.0
    [m]
    DC
    OD
    1798.1
    [m]
    C
    PAS
    1800.0
    [m]
    DC
    OD
    1805.0
    [m]
    C
    PAS
    1811.5
    [m]
    SWC
    PAS
    1826.0
    [m]
    SWC
    PAS
    1833.0
    [m]
    SWC
    PAS
    1839.0
    [m]
    DC
    OD
    1845.0
    [m]
    DC
    PAS
    1860.0
    [m]
    DC
    PAS
    1875.0
    [m]
    DC
    PAS
    1890.0
    [m]
    DC
    PAS
    1890.0
    [m]
    DC
    OD
    1905.0
    [m]
    DC
    PAS
    1920.0
    [m]
    DC
    PAS
    1935.0
    [m]
    DC
    PAS
    1941.0
    [m]
    DC
    OD
    1953.0
    [m]
    SWC
    PAS
    1965.5
    [m]
    SWC
    PAS
    1980.0
    [m]
    DC
    PAS
    1980.0
    [m]
    DC
    OD
    1997.5
    [m]
    SWC
    PAS
    2010.0
    [m]
    DC
    PAS
    2025.0
    [m]
    DC
    PAS
    2040.0
    [m]
    DC
    PAS
    2049.0
    [m]
    DC
    OD
    2057.0
    [m]
    SWC
    PAS
    2076.0
    [m]
    DC
    PAS
    2091.0
    [m]
    DC
    PAS
    2100.0
    [m]
    DC
    OD
    2100.5
    [m]
    SWC
    PAS
    2115.0
    [m]
    SWC
    PAS
    2130.0
    [m]
    DC
    PAS
    2130.0
    [m]
    DC
    OD
    2145.0
    [m]
    DC
    PAS