Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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17.05.2025 - 00:23
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7124/4-1 S

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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.
    7124/4-1 S
    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
    Press release
    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.
    BARENTS SEA
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    7124/4-1
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    Fruholmen 3D seismic IL 1562 & XL 2529
    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.
    GDF SUEZ E&P Norge AS
    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.
    1371-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.
    27
    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,
    16.09.2011
    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.
    12.10.2011
    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.
    10.08.2013
    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.
    10.08.2013
    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.
    40.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    302.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    2814.0
    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).
    2730.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    17.1
    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.
    EARLY 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.
    HAVERT FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    71° 35' 16.14'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    24° 5' 56.76'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7945629.41
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    397765.17
    UTM zone
    Universal Transverse Mercator zone. Examples of legal values: 31, 32, 33, 34.
    35
    NPDID wellbore
    Norwegian Offshore Directorate's unique id for the wellbore.
    6678

  • Wellbore history
    General
    Well 7124/4-1 S was drilled on the Heilo prospect in the transition zone between the Hammerfest and the Nordkapp Basins, approximately 105 km north of Hammerfest and approximately 70 km north-east of Goliat field. The Heilo prospect was defined as a structural trap in the Jurassic-Triassic Fruholmen Formation in the Kapp Toscana Group. The main objective was to test reservoir and hydrocarbon presence in the Jurassic -Triassic Stø to Fruholmen formations. The Triassic Snadd, Kobbe, Klappmyss and Havert formations were secondary objectives.
    Operations and results
    Wildcat well 7124/4-1 S was spudded with the semi-submersible installation Aker Barents on 16 September 2011 and drilled to TD at 2814 m (2730 m TVD) in the in the Early Triassic Havert Formation. A 9 7/8" pilot hole was drilled from 406.6 m to 829 m to check for shallow gas no shallow gas was seen. The well was drilled vertical down to 610 m, building angle to ca 16 deg at 1200 m, keeping this angle to TD. It was drilled without significant problems using seawater and hi-vis pills down to 1165 m and with Glydril mud from 1165 m to TD.
    In the Jurassic the well encountered the Stø Formation at 1259 m (1238m TVD). The Stø Formation was 50.5 m TVD thick, with good reservoir quality. The Triassic Snadd Formation at 1330 m (1307 m TVD) also proved good reservoir properties. The deeper Kobbe, Klappmyss and Havert formations all contained sand layers at the top, but with reduced reservoir quality downwards. No shows were recorded in the well.
    No cores were cut and no wire line fluid samples were taken.
    The well was permanently abandoned on 12 October 2011 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]
    830.00
    2813.00

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    829.0
    [m]
    DC
    FUGRO
    840.0
    [m]
    DC
    FUGRO
    860.0
    [m]
    DC
    FUGRO
    890.0
    [m]
    DC
    FUGRO
    920.0
    [m]
    DC
    FUGRO
    950.0
    [m]
    DC
    FUGRO
    970.0
    [m]
    DC
    FUGRO
    1020.0
    [m]
    DC
    FUGRO
    1040.0
    [m]
    DC
    FUGRO
    1070.0
    [m]
    DC
    FUGRO
    1100.0
    [m]
    DC
    FUGRO
    1120.0
    [m]
    DC
    FUGRO
    1130.0
    [m]
    DC
    FUGRO
    1152.0
    [m]
    DC
    FUGRO
    1160.0
    [m]
    DC
    FUGRO
    1165.0
    [m]
    DC
    FUGRO
    1168.0
    [m]
    DC
    FUGRO
    1171.0
    [m]
    DC
    FUGRO
    1174.0
    [m]
    DC
    FUGRO
    1180.0
    [m]
    DC
    FUGRO
    1186.0
    [m]
    DC
    FUGRO
    1201.0
    [m]
    DC
    FUGRO
    1213.0
    [m]
    DC
    FUGRO
    1222.0
    [m]
    DC
    FUGRO
    1231.0
    [m]
    DC
    FUGRO
    1243.0
    [m]
    DC
    FUGRO
    1249.0
    [m]
    DC
    FUGRO
    1252.0
    [m]
    DC
    FUGRO
    1255.0
    [m]
    DC
    FUGRO
    1260.0
    [m]
    DC
    FUGRO
    1264.0
    [m]
    DC
    FUGRO
    1267.0
    [m]
    DC
    FUGRO
    1276.0
    [m]
    DC
    FUGRO
    1285.0
    [m]
    DC
    FUGRO
    1294.0
    [m]
    DC
    FUGRO
    1297.0
    [m]
    DC
    FUGRO
    1300.0
    [m]
    DC
    FUGRO
    1306.0
    [m]
    DC
    FUGRO
    1309.0
    [m]
    DC
    FUGRO
    1321.0
    [m]
    DC
    FUGRO
    1327.0
    [m]
    DC
    FUGRO
    1333.0
    [m]
    DC
    FUGRO
    1348.0
    [m]
    DC
    FUGRO
    1354.0
    [m]
    DC
    FUGRO
    1360.0
    [m]
    DC
    FUGRO
    1363.0
    [m]
    DC
    FUGRO
    1372.0
    [m]
    DC
    FUGRO
    1375.0
    [m]
    DC
    FUGRO
    1381.0
    [m]
    DC
    FUGRO
    1387.0
    [m]
    DC
    FUGRO
    1390.0
    [m]
    DC
    FUGRO
    1399.0
    [m]
    DC
    FUGRO
    1402.0
    [m]
    DC
    FUGRO
    1408.0
    [m]
    DC
    FUGRO
    1420.0
    [m]
    DC
    FUGRO
    1432.0
    [m]
    DC
    FUGRO
    1450.0
    [m]
    DC
    FUGRO
    1462.0
    [m]
    DC
    FUGRO
    1474.0
    [m]
    DC
    FUGRO
    1486.0
    [m]
    DC
    FUGRO
    1492.0
    [m]
    DC
    FUGRO
    1504.0
    [m]
    DC
    FUGRO
    1513.0
    [m]
    DC
    FUGRO
    1531.0
    [m]
    DC
    FUGRO
    1546.0
    [m]
    DC
    FUGRO
    1579.0
    [m]
    DC
    FUGRO
    1603.0
    [m]
    DC
    FUGRO
    1624.0
    [m]
    DC
    FUGRO
    1654.0
    [m]
    DC
    FUGRO
    1660.0
    [m]
    DC
    FUGRO
    1666.0
    [m]
    DC
    FUGRO
    1672.0
    [m]
    DC
    FUGRO
    1690.0
    [m]
    DC
    FUGRO
    1699.0
    [m]
    DC
    FUGRO
    1709.0
    [m]
    DC
    FUGRO
    1715.0
    [m]
    DC
    FUGRO
    1727.0
    [m]
    DC
    FUGRO
    1733.0
    [m]
    DC
    FUGRO
    1745.0
    [m]
    DC
    FUGRO
    1757.0
    [m]
    DC
    FUGRO
    1775.0
    [m]
    DC
    FUGRO
    1787.0
    [m]
    DC
    FUGRO
    1799.0
    [m]
    DC
    FUGRO
    1811.0
    [m]
    DC
    FUGRO
    1829.0
    [m]
    DC
    FUGRO
    1847.0
    [m]
    DC
    FUGRO
    1859.0
    [m]
    DC
    FUGRO
    1871.0
    [m]
    DC
    FUGRO
    1892.0
    [m]
    DC
    FUGRO
    1898.0
    [m]
    DC
    FUGRO
    1907.0
    [m]
    DC
    FUGRO
    1922.0
    [m]
    DC
    FUGRO
    1931.0
    [m]
    DC
    FUGRO
    1955.0
    [m]
    DC
    FUGRO
    1967.0
    [m]
    DC
    FUGRO
    1985.0
    [m]
    DC
    FUGRO
    1997.0
    [m]
    DC
    FUGRO
    2009.0
    [m]
    DC
    FUGRO
    2033.0
    [m]
    DC
    FUGRO
    2051.0
    [m]
    DC
    FUGRO
    2063.0
    [m]
    DC
    FUGRO
    2081.0
    [m]
    DC
    FUGRO
    2093.0
    [m]
    DC
    FUGRO
    2123.0
    [m]
    DC
    FUGRO
    2147.0
    [m]
    DC
    FUGRO
    2159.0
    [m]
    DC
    FUGRO
    2183.0
    [m]
    DC
    FUGRO
    2213.0
    [m]
    DC
    FUGRO
    2231.0
    [m]
    DC
    FUGRO
    2237.0
    [m]
    DC
    FUGRO
    2255.0
    [m]
    DC
    FUGRO
    2273.0
    [m]
    DC
    FUGRO
    2294.0
    [m]
    DC
    FUGRO
    2309.0
    [m]
    DC
    FUGRO
    2321.0
    [m]
    DC
    FUGRO
    2339.0
    [m]
    DC
    FUGRO
    2357.0
    [m]
    DC
    FUGRO
    2369.0
    [m]
    DC
    FUGRO
    2405.0
    [m]
    DC
    FUGRO
    2423.0
    [m]
    DC
    FUGRO
    2435.0
    [m]
    DC
    FUGRO
    2447.0
    [m]
    DC
    FUGRO
    2471.0
    [m]
    DC
    FUGRO
    2501.0
    [m]
    DC
    FUGRO
    2519.0
    [m]
    DC
    FUGRO
    2537.0
    [m]
    DC
    FUGRO
    2555.0
    [m]
    DC
    FUGRO
    2573.0
    [m]
    DC
    FUGRO
    2585.0
    [m]
    DC
    FUGRO
    2603.0
    [m]
    DC
    FUGRO
    2612.0
    [m]
    DC
    FUGRO
    2621.0
    [m]
    DC
    FUGRO
    2627.0
    [m]
    DC
    FUGRO
    2637.0
    [m]
    DC
    FUGRO
    2645.0
    [m]
    DC
    FUGRO
    2651.0
    [m]
    DC
    FUGRO
    2657.0
    [m]
    DC
    FUGRO
    2663.0
    [m]
    DC
    FUGRO
    2675.0
    [m]
    DC
    FUGRO
    2687.0
    [m]
    DC
    FUGRO
    2699.0
    [m]
    DC
    FUGRO
    2711.0
    [m]
    DC
    FUGRO
    2717.0
    [m]
    DC
    FUGRO
    2729.0
    [m]
    DC
    FUGRO
    2747.0
    [m]
    DC
    FUGRO
    2759.0
    [m]
    DC
    FUGRO
    2771.0
    [m]
    DC
    FUGRO
    2789.0
    [m]
    DC
    FUGRO
    2801.0
    [m]
    DC
    FUGRO
    2814.0
    [m]
    DC
    FUGRO

  • Lithostratigraphy

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    0.24
    pdf
    1.45

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    MWD - ARCVIS SONVIS
    343
    825
    MWD - ARCVIS SONVIS PDX5
    826
    1165
    MWD - GEOVIS ARCVIS ADNVIS SONVI
    1165
    1699
    MWD - PDX5 IMP VPWD ADNVIS SON
    1699
    2814

  • 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
    404.5
    36
    406.0
    0.00
    LOT
    SURF.COND.
    13 3/8
    819.5
    17 1/2
    826.0
    0.00
    LOT
    PILOT HOLE
    829.0
    9 7/8
    829.0
    0.00
    LOT
    INTERM.
    9 5/8
    1160.0
    12 1/4
    1165.0
    1.53
    LOT
    LINER
    7
    1695.5
    8 1/2
    1699.0
    2.05
    LOT
    OPEN HOLE
    2814.0
    6
    2814.0
    1.70
    LOT

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    917
    1.22
    15.0
    Glydril
    1345
    1.31
    16.0
    Glydril
    1699
    1.31
    19.0
    Glydril
    2114
    1.31
    19.0
    Glydril
    2456
    1.31
    19.0
    Glydril
    2814
    1.31
    18.0
    Glydril