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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6608/11-2

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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.
    6608/11-2
    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
    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
    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.
    6608/11-2
    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.
    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.
    988-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,
    28.10.2000
    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.
    24.11.2000
    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.
    24.11.2002
    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.
    18.12.2002
    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
    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.
    EARLY 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.
    ÅRE 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.
    351.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    2215.0
    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).
    2215.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    3.3
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    80
    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.
    GREY 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° 7' 29.32'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    8° 20' 57.39'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7334160.64
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    470609.16
    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.
    4189

  • Wellbore history
    General
    Well 6608/11-2 is located in the NE part of the Dønna Terrace, NW of the Nordland Ridge. The target prospect Falk is located at the height trending NE from the Norne Field via the Svale discovery. It is defined on a gently dipping fault block, enclosed by faults on three sides and open to the SW. The main objective of well 6608/11-2 was to prove hydrocarbons in the sandstones in the Melke and the Åre Formations in the Falk prospect.
    Operations and results
    Wildcat well 6608/11-2 was spudded with the drill ship "West Navion" on 28 October 2000. Boulders were encountered from 387 - 420 m. Due to boulders the ROP was very low and inclination built uncontrolled to above 2.5 degrees. The well was respudded 15 m to the west and drilled with reduced WOB. Even here boulders caused a low ROP. Especially a very hard boulder bed around 397 m MD in both holes caused very low progress and very high, erratic torque readings. The second spud was successful and the well was drilled to a total depth of 2215 m in the Late Triassic Grey Beds. No shallow gas was observed by the ROV at the wellhead. The well was drilled with seawater and bentonite down to 1254 m and with water based "GLYDRIL" mud (4.5 - 5% glycol) from 1254 m to TD.
    Several good reservoir zones were penetrated in the Åre Formation and the Triassic Grey beds. A silty Melke Formation was also encountered, but did not have the same reservoir quality as the Åre and Triassic sequences. The reservoir sequence at the top of the Åre Formation proved to be oil bearing. The reservoirs in the Melke Formation, the lower part of Åre Formation and the Grey beds Formation were water wet. This was verified both by shows on cuttings and cores, logs, samples and laboratory studies of the cores. The oil-water contact was not encountered in the well. A thin Cretaceous sequence, which was not prognosed, was encountered in the well. MDT sampling gave a water sample from the Melke Formation (1687 m), three hydrocarbon samples from the Åre Formation (one from 1746 m and two from 1747 m), and a water sample from the Åre Formation (1773 m). The Melke sample was contaminated with 30% drilling mud, the other samples were of good quality. The oil bearing reservoir zone was cored. The well was plugged and abandoned as an oil discovery on 24 November 2000
    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]
    1255.00
    2215.00

  • 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
    1742.0
    1756.1
    [m ]
    2
    1757.0
    1760.2
    [m ]
    3
    1760.0
    1763.7
    [m ]
    4
    1765.0
    1766.7
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    22.6
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 1742-1747m
    Core photo at depth: 1747-1752m
    Core photo at depth: 1752-1756m
    Core photo at depth: 1757-1761m
    Core photo at depth: 1761-1767m
    1742-1747m
    1747-1752m
    1752-1756m
    1757-1761m
    1761-1767m

  • 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
    447.0
    36
    447.0
    0.00
    LOT
    INTERM.
    9 5/8
    1249.0
    12 1/4
    1249.0
    1.52
    LOT
    OPEN HOLE
    2215.0
    8 1/2
    2215.0
    0.00
    LOT

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    CMR ESC GR
    1550
    1570
    CMR ESC GR
    1660
    1875
    CST GR
    1402
    2206
    FMI DSI GR
    500
    2215
    MDT GR
    1560
    2175
    MWD - MPR LITE
    450
    2215
    PEX HALS HNGS
    1249
    2215
    VSP GR
    500
    2215

  • Lithostratigraphy

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.27

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    1.93
    pdf
    1.83
    pdf
    0.78

  • 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
    2.17
    .tif
    25.42
    .PDF
    25.95

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    409
    1.03
    SEAWATER/BENT.
    417
    1.03
    12.0
    SEAWATER/BENT.
    450
    1.03
    12.0
    SEAWATER/BENT.
    1101
    1.03
    12.0
    SEAWATER/BENT.
    1254
    1.03
    12.0
    SEAWATER/BENT.
    1470
    1.26
    18.0
    GLYDRILL
    1517
    1.25
    18.0
    GLYDRILL
    1742
    1.25
    19.0
    GLYDRILL
    1757
    1.25
    18.0
    GLYDRILL
    1767
    1.26
    19.0
    GLYDRILL
    1846
    1.26
    18.0
    GLYDRILL
    1920
    1.26
    18.0
    GLYDRILL
    2215
    1.26
    17.0
    GLYDRILL

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    1260.0
    [m]
    DC
    GEOSTR
    1275.0
    [m]
    DC
    GEOSTR
    1285.0
    [m]
    DC
    GEOSTR
    1295.0
    [m]
    DC
    GEOSTR
    1320.0
    [m]
    DC
    GEOSTR
    1330.0
    [m]
    DC
    GEOSTR
    1340.0
    [m]
    DC
    GEOSTR
    1350.0
    [m]
    DC
    GEOSTR
    1360.0
    [m]
    DC
    GEOSTR
    1370.0
    [m]
    DC
    GEOSTR
    1380.0
    [m]
    DC
    GEOSTR
    1402.0
    [m]
    SWC
    WESTLB
    1409.0
    [m]
    DC
    GEOSTR
    1418.0
    [m]
    DC
    GEOSTR
    1427.0
    [m]
    DC
    GEOSTR
    1435.0
    [m]
    SWC
    WESTLB
    1445.0
    [m]
    DC
    GEOSTR
    1457.0
    [m]
    DC
    GEOSTR
    1460.0
    [m]
    SWC
    WESTLB
    1469.0
    [m]
    DC
    GEOSTR
    1478.0
    [m]
    DC
    GEOSTR
    1490.0
    [m]
    DC
    GEOSTR
    1502.0
    [m]
    DC
    GEOSTR
    1514.0
    [m]
    DC
    GEOSTR
    1523.0
    [m]
    DC
    GEOSTR
    1532.0
    [m]
    DC
    GEOSTR
    1546.5
    [m]
    SWC
    WESTLB
    1550.5
    [m]
    SWC
    WESTLB
    1580.0
    [m]
    DC
    GEOSTR
    1584.0
    [m]
    SWC
    WESTLB
    1589.0
    [m]
    DC
    GEOSTR
    1592.0
    [m]
    DC
    GEOSTR
    1595.0
    [m]
    DC
    GEOSTR
    1601.0
    [m]
    DC
    GEOSTR
    1604.0
    [m]
    DC
    GEOSTR
    1607.0
    [m]
    DC
    GEOSTR
    1613.0
    [m]
    DC
    GEOSTR
    1614.0
    [m]
    SWC
    WESTLB
    1615.0
    [m]
    SWC
    WESTLB
    1616.0
    [m]
    DC
    GEOSTR
    1625.0
    [m]
    DC
    GEOSTR
    1625.0
    [m]
    SWC
    WESTLB
    1628.0
    [m]
    DC
    GEOSTR
    1631.0
    [m]
    DC
    GEOSTR
    1636.0
    [m]
    SWC
    WESTLB
    1637.0
    [m]
    DC
    GEOSTR
    1640.0
    [m]
    DC
    GEOSTR
    1643.0
    [m]
    DC
    GEOSTR
    1646.0
    [m]
    DC
    GEOSTR
    1652.0
    [m]
    DC
    GEOSTR
    1652.0
    [m]
    SWC
    WESTLB
    1658.0
    [m]
    DC
    GEOSTR
    1660.0
    [m]
    SWC
    WESTLB
    1664.0
    [m]
    SWC
    WESTLB
    1667.0
    [m]
    DC
    GEOSTR
    1668.0
    [m]
    SWC
    WESTLB
    1671.0
    [m]
    SWC
    WESTLB
    1676.0
    [m]
    DC
    GEOSTR
    1683.0
    [m]
    SWC
    WESTLB
    1687.0
    [m]
    SWC
    WESTLB
    1691.0
    [m]
    DC
    GEOSTR
    1697.0
    [m]
    SWC
    WESTLB
    1700.0
    [m]
    DC
    GEOSTR
    1702.5
    [m]
    SWC
    WESTLB
    1707.0
    [m]
    SWC
    WESTLB
    1710.0
    [m]
    SWC
    WESTLB
    1712.0
    [m]
    DC
    GEOSTR
    1715.5
    [m]
    SWC
    WESTLB
    1718.0
    [m]
    DC
    GEOSTR
    1723.5
    [m]
    SWC
    WESTLB
    1724.0
    [m]
    DC
    GEOSTR
    1730.0
    [m]
    DC
    GEOSTR
    1731.0
    [m]
    SWC
    WESTLB
    1733.0
    [m]
    DC
    GEOSTR
    1736.0
    [m]
    DC
    GEOSTR
    1737.0
    [m]
    SWC
    WESTLB
    1742.0
    [m]
    DC
    GEOSTR
    1742.1
    [m]
    C
    WESTLB
    1742.5
    [m]
    C
    WESTLB
    1742.6
    [m]
    C
    WESTLB
    1742.9
    [m]
    C
    WESTLB
    1743.4
    [m]
    C
    WESTLB
    1744.3
    [m]
    C
    WESTLB
    1745.2
    [m]
    C
    WESTLB
    1745.6
    [m]
    C
    WESTLB
    1745.6
    [m]
    C
    WESTLB
    1751.2
    [m]
    C
    WESTLB
    1755.9
    [m]
    C
    WESTLB
    1758.4
    [m]
    C
    WESTLB
    1760.0
    [m]
    C
    WESTLB
    1760.3
    [m]
    C
    WESTLB
    1760.8
    [m]
    C
    WESTLB
    1761.6
    [m]
    C
    WESTLB
    1763.0
    [m]
    C
    WESTLB
    1763.2
    [m]
    C
    WESTLB
    1766.1
    [m]
    C
    WESTLB
    1769.0
    [m]
    DC
    GEOSTR
    1776.0
    [m]
    SWC
    WESTLB
    1784.0
    [m]
    DC
    GEOSTR
    1787.0
    [m]
    DC
    GEOSTR
    1794.5
    [m]
    SWC
    WESTLB
    1798.0
    [m]
    SWC
    WESTLB
    1808.0
    [m]
    DC
    GEOSTR
    1811.0
    [m]
    DC
    GEOSTR
    1815.5
    [m]
    SWC
    WESTLB
    1820.0
    [m]
    DC
    GEOSTR
    1826.0
    [m]
    DC
    GEOSTR
    1832.0
    [m]
    DC
    GEOSTR
    1841.0
    [m]
    SWC
    WESTLB
    1847.0
    [m]
    DC
    GEOSTR
    1853.0
    [m]
    DC
    GEOSTR
    1862.0
    [m]
    DC
    GEOSTR
    1871.0
    [m]
    DC
    GEOSTR
    1878.0
    [m]
    SWC
    WESTLB
    1886.0
    [m]
    DC
    GEOSTR
    1901.0
    [m]
    DC
    GEOSTR
    1907.0
    [m]
    DC
    GEOSTR
    1922.0
    [m]
    DC
    GEOSTR
    1937.0
    [m]
    DC
    GEOSTR
    1944.5
    [m]
    SWC
    WESTLB
    1949.0
    [m]
    DC
    GEOSTR
    1955.0
    [m]
    DC
    GEOSTR
    1961.0
    [m]
    DC
    GEOSTR
    1970.0
    [m]
    DC
    GEOSTR
    1976.0
    [m]
    DC
    GEOSTR
    1988.0
    [m]
    DC
    GEOSTR
    1997.0
    [m]
    DC
    GEOSTR
    2012.0
    [m]
    DC
    GEOSTR
    2021.0
    [m]
    DC
    GEOSTR
    2030.0
    [m]
    DC
    GEOSTR
    2039.0
    [m]
    DC
    GEOSTR
    2045.0
    [m]
    DC
    GEOSTR
    2075.0
    [m]
    DC
    GEOSTR
    2084.0
    [m]
    DC
    GEOSTR
    2093.0
    [m]
    SWC
    WESTLB
    2105.0
    [m]
    SWC
    WESTLB
    2111.0
    [m]
    DC
    GEOSTR
    2127.0
    [m]
    SWC
    WESTLB
    2135.0
    [m]
    DC
    GEOSTR
    2144.0
    [m]
    DC
    GEOSTR
    2153.0
    [m]
    DC
    GEOSTR
    2171.0
    [m]
    DC
    GEOSTR
    2192.0
    [m]
    DC
    GEOSTR
    2213.0
    [m]
    DC
    GEOSTR