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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7119/7-1

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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.
    7119/7-1
    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.
    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.
    7119/7-1
    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.
    Norsk Hydro Produksjon 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.
    380-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.
    62
    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,
    12.07.1983
    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.
    11.09.1983
    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.
    11.09.1985
    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.
    04.01.2005
    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.
    238.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    3167.0
    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).
    3134.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    19
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    130
    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.
    PERMIAN
    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.
    UNDEFINED GP
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    71° 23' 42.4'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    19° 15' 18.43'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7922575.25
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    437872.00
    UTM zone
    Universal Transverse Mercator zone. Examples of legal values: 31, 32, 33, 34.
    34
    NPDID wellbore
    Norwegian Offshore Directorate's unique id for the wellbore.
    21

  • Wellbore history
    General
    Exploration well 7119/7-1 is located in the Tromsø Basin, ca 30 km west of the Snøhvit Field area. The primary well objective was to test a sandstone and/or limestone reservoir of Late Cretaceous age. The secondary objective of the well was to test a westward thinning wedge interpreted as a sandstone reservoir of Late Cretaceous age. A further objective of the well was to penetrate the Cenomanian unconformity with possible associated basal sandstones. Planned TD was 4100 m or 100 m below the Cenomanian unconformity.
    Operations and results
    Well 7119/7-1 was spudded with the semi-submersible installation Treasure Seeker on 12 July 1983 and was drilled to a total depth of 3167 m in salt. No major problems occurred during drilling. The well was drilled with seawater and bentonite down to 622 m, and with KCl/polymer mud from 622 m to 2518 m. From 2518 m to TD the mud was converted to a dispersed gel system allowing natural depletion of the KCL.
    No rocks with reservoir qualities were penetrated by this well. The prognosed Campanian sandstones/limestones were developed as claystones, sometimes silty with occasional limestone stringers. Insignificant traces of sand were noted in that interval. Top Campanian was found between 1375 m and 1377 m based on biostratigraphy. The base Late Cretaceous wedge interpreted as sandstone was found poorly developed as siltstones and silty claystones without reservoir characteristics. The base Late Cretaceous was encountered between 2796.5 m and 2810.5 m based on biostratigraphy. The Cenomanian unconformity was penetrated at 2529 m without any associated sandstones. The well encountered evaporites of possible Permian age at 3094.5 m. No shows were recorded in the well. No conventional cores were cut and no fluid samples taken
    The well was permanently abandoned on 11 September 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]
    340.00
    3165.00

  • 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
    326.0
    36
    333.0
    0.00
    LOT
    SURF.COND.
    20
    532.0
    26
    622.0
    1.35
    LOT
    INTERM.
    13 3/8
    1254.0
    17 1/2
    1269.0
    0.00
    LOT
    INTERM.
    9 5/8
    2501.0
    12 1/4
    2518.0
    0.00
    LOT
    OPEN HOLE
    3167.0
    8 3/8
    3167.0
    0.00
    LOT

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    CBL VDL
    300
    2493
    CST
    645
    1258
    CST
    1261
    1960
    CST
    1988
    2514
    CST
    2529
    3155
    HDT
    1252
    3137
    ISF LSS GR SP
    248
    3164
    LDT CNL GR CAL
    325
    3165
    VSP
    350
    2493

  • Lithostratigraphy
    Lithostratigraphy
    Top depth [mMD RKB]
    Lithostrat. unit
    263
    440
    440
    1332
    1332
    2815
    2815
    3075
    3095

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.56

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    0.99

  • 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
    1.86
    pdf
    7.62

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    330
    1.05
    spud mud
    1117
    1.17
    50.0
    seawater
    1655
    1.30
    53.0
    seawater
    2517
    1.31
    42.0
    seawater
    2826
    1.37
    45.0
    seawater
    3167
    1.40
    40.0
    seawater

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    460.0
    [m]
    DC
    OD
    540.0
    [m]
    DC
    OD
    625.0
    [m]
    DC
    OD
    645.0
    [m]
    SWC
    IKU
    650.0
    [m]
    DC
    OD
    675.0
    [m]
    DC
    OD
    750.0
    [m]
    SWC
    IKU
    770.0
    [m]
    DC
    OD
    780.0
    [m]
    DC
    OD
    830.0
    [m]
    DC
    OD
    845.0
    [m]
    SWC
    IKU
    885.0
    [m]
    DC
    OD
    900.0
    [m]
    DC
    OD
    935.0
    [m]
    SWC
    IKU
    950.0
    [m]
    DC
    OD
    1000.0
    [m]
    DC
    OD
    1040.0
    [m]
    DC
    OD
    1070.0
    [m]
    DC
    OD
    1095.0
    [m]
    DC
    IKU
    1110.0
    [m]
    DC
    OD
    1115.0
    [m]
    DC
    IKU
    1130.0
    [m]
    SWC
    IKU
    1150.0
    [m]
    SWC
    IKU
    1170.0
    [m]
    SWC
    IKU
    1170.0
    [m]
    DC
    OD
    1190.0
    [m]
    DC
    OD
    1220.0
    [m]
    DC
    OD
    1238.0
    [m]
    SWC
    IKU
    1255.0
    [m]
    DC
    OD
    1257.0
    [m]
    SWC
    IKU
    1258.5
    [m]
    SWC
    IKU
    1261.0
    [m]
    SWC
    IKU
    1270.0
    [m]
    DC
    OD
    1280.0
    [m]
    DC
    IKU
    1300.0
    [m]
    DC
    OD
    1330.0
    [m]
    DC
    OD
    1338.5
    [m]
    SWC
    IKU
    1342.0
    [m]
    DC
    OD
    1347.0
    [m]
    DC
    OD
    1357.0
    [m]
    DC
    OD
    1360.0
    [m]
    DC
    OD
    1374.0
    [m]
    SWC
    IKU
    1385.0
    [m]
    DC
    OD
    1387.0
    [m]
    DC
    IKU
    1405.0
    [m]
    DC
    OD
    1425.0
    [m]
    DC
    IKU
    1430.0
    [m]
    DC
    OD
    1437.0
    [m]
    DC
    IKU
    1452.0
    [m]
    DC
    IKU
    1467.0
    [m]
    DC
    IKU
    1470.0
    [m]
    DC
    OD
    1482.0
    [m]
    DC
    IKU
    1500.0
    [m]
    DC
    OD
    1502.5
    [m]
    SWC
    IKU
    1513.0
    [m]
    SWC
    IKU
    1520.0
    [m]
    DC
    OD
    1527.0
    [m]
    DC
    IKU
    1550.0
    [m]
    DC
    OD
    1551.5
    [m]
    SWC
    IKU
    1574.5
    [m]
    SWC
    IKU
    1580.0
    [m]
    DC
    OD
    1595.0
    [m]
    SWC
    IKU
    1605.5
    [m]
    SWC
    IKU
    1610.0
    [m]
    DC
    OD
    1617.0
    [m]
    DC
    IKU
    1633.0
    [m]
    SWC
    IKU
    1640.0
    [m]
    SWC
    IKU
    1655.0
    [m]
    DC
    IKU
    1660.0
    [m]
    DC
    OD
    1670.0
    [m]
    DC
    IKU
    1685.0
    [m]
    DC
    IKU
    1690.0
    [m]
    DC
    OD
    1700.0
    [m]
    DC
    OD
    1700.0
    [m]
    DC
    IKU
    1715.0
    [m]
    DC
    IKU
    1740.0
    [m]
    DC
    IKU
    1750.0
    [m]
    DC
    OD
    1750.0
    [m]
    DC
    IKU
    1755.0
    [m]
    DC
    IKU
    1770.0
    [m]
    DC
    IKU
    1780.0
    [m]
    DC
    OD
    1795.0
    [m]
    SWC
    IKU
    1800.0
    [m]
    DC
    OD
    1810.0
    [m]
    DC
    IKU
    1820.0
    [m]
    DC
    OD
    1820.0
    [m]
    DC
    IKU
    1840.0
    [m]
    DC
    IKU
    1850.0
    [m]
    SWC
    IKU
    1860.0
    [m]
    DC
    OD
    1860.0
    [m]
    DC
    IKU
    1884.9
    [m]
    SWC
    IKU
    1895.0
    [m]
    DC
    IKU
    1900.0
    [m]
    DC
    OD
    1910.0
    [m]
    DC
    IKU
    1915.0
    [m]
    DC
    IKU
    1930.0
    [m]
    DC
    OD
    1950.0
    [m]
    DC
    IKU
    1960.0
    [m]
    DC
    OD
    1960.5
    [m]
    SWC
    IKU
    1967.5
    [m]
    DC
    IKU
    1970.0
    [m]
    DC
    IKU
    1988.5
    [m]
    SWC
    IKU
    1990.0
    [m]
    DC
    OD
    2000.0
    [m]
    DC
    OD
    2005.0
    [m]
    DC
    IKU
    2020.0
    [m]
    DC
    IKU
    2040.0
    [m]
    SWC
    IKU
    2055.0
    [m]
    DC
    IKU
    2057.5
    [m]
    SWC
    IKU
    2060.0
    [m]
    DC
    OD
    2075.0
    [m]
    DC
    IKU
    2090.0
    [m]
    DC
    OD
    2095.0
    [m]
    SWC
    IKU
    2109.5
    [m]
    SWC
    IKU
    2120.0
    [m]
    DC
    OD
    2125.0
    [m]
    DC
    IKU
    2140.0
    [m]
    DC
    IKU
    2150.0
    [m]
    DC
    OD
    2155.0
    [m]
    DC
    IKU
    2165.0
    [m]
    DC
    IKU
    2180.0
    [m]
    SWC
    IKU
    2180.0
    [m]
    DC
    OD
    2190.0
    [m]
    DC
    IKU
    2200.0
    [m]
    DC
    OD
    2205.0
    [m]
    DC
    IKU
    2209.5
    [m]
    SWC
    IKU
    2225.0
    [m]
    DC
    IKU
    2230.0
    [m]
    DC
    OD
    2247.5
    [m]
    SWC
    IKU
    2255.5
    [m]
    SWC
    IKU
    2260.0
    [m]
    DC
    OD
    2270.0
    [m]
    DC
    IKU
    2280.0
    [m]
    SWC
    IKU
    2290.0
    [m]
    DC
    OD
    2315.0
    [m]
    DC
    IKU
    2320.0
    [m]
    DC
    OD
    2330.5
    [m]
    SWC
    IKU
    2340.0
    [m]
    DC
    OD
    2347.0
    [m]
    DC
    IKU
    2357.0
    [m]
    SWC
    IKU
    2360.0
    [m]
    DC
    OD
    2381.5
    [m]
    SWC
    IKU
    2388.0
    [m]
    SWC
    IKU
    2395.0
    [m]
    SWC
    IKU
    2407.5
    [m]
    SWC
    IKU
    2420.5
    [m]
    SWC
    IKU
    2434.0
    [m]
    SWC
    IKU
    2440.5
    [m]
    SWC
    IKU
    2451.0
    [m]
    SWC
    IKU
    2465.0
    [m]
    SWC
    IKU
    2479.0
    [m]
    SWC
    IKU
    2487.0
    [m]
    SWC
    IKU
    2500.0
    [m]
    DC
    IKU
    2515.0
    [m]
    DC
    IKU
    2529.5
    [m]
    SWC
    IKU
    2529.5
    [m]
    SWC
    OD
    2529.5
    [m]
    SWC
    OD
    2545.0
    [m]
    DC
    IKU
    2559.0
    [m]
    SWC
    IKU
    2560.0
    [m]
    DC
    OD
    2572.0
    [m]
    DC
    IKU
    2586.0
    [m]
    SWC
    IKU
    2590.0
    [m]
    DC
    OD
    2600.0
    [m]
    DC
    IKU
    2605.0
    [m]
    DC
    IKU
    2620.0
    [m]
    SWC
    IKU
    2620.0
    [m]
    DC
    OD
    2635.0
    [m]
    DC
    IKU
    2650.0
    [m]
    DC
    OD
    2654.0
    [m]
    SWC
    IKU
    2667.0
    [m]
    DC
    IKU
    2681.0
    [m]
    SWC
    IKU
    2681.0
    [m]
    SWC
    OD
    2696.0
    [m]
    SWC
    IKU
    2706.0
    [m]
    SWC
    OD
    2706.0
    [m]
    SWC
    IKU
    2720.0
    [m]
    DC
    IKU
    2730.0
    [m]
    DC
    OD
    2739.0
    [m]
    SWC
    IKU
    2755.0
    [m]
    DC
    IKU
    2760.0
    [m]
    DC
    OD
    2766.0
    [m]
    DC
    IKU
    2775.0
    [m]
    SWC
    IKU
    2785.0
    [m]
    DC
    IKU
    2790.0
    [m]
    DC
    OD
    2810.5
    [m]
    SWC
    IKU
    2820.0
    [m]
    DC
    IKU
    2832.0
    [m]
    SWC
    IKU
    2832.0
    [m]
    SWC
    OD
    2850.0
    [m]
    DC
    OD
    2864.5
    [m]
    SWC
    OD
    2877.5
    [m]
    SWC
    IKU
    2883.0
    [m]
    SWC
    IKU
    2890.0
    [m]
    DC
    OD
    2890.0
    [m]
    DC
    IKU
    2902.5
    [m]
    SWC
    IKU
    2910.0
    [m]
    SWC
    IKU
    2920.0
    [m]
    DC
    IKU
    2930.0
    [m]
    SWC
    IKU
    2945.0
    [m]
    DC
    IKU
    2956.0
    [m]
    SWC
    IKU
    2970.0
    [m]
    DC
    IKU
    2986.0
    [m]
    SWC
    IKU
    3000.0
    [m]
    DC
    IKU
    3010.0
    [m]
    SWC
    IKU
    3017.5
    [m]
    SWC
    IKU
    3033.0
    [m]
    SWC
    IKU
    3042.0
    [m]
    SWC
    IKU
    3060.0
    [m]
    SWC
    IKU
    3060.0
    [m]
    SWC
    OD
    3075.0
    [m]
    DC
    IKU
    3085.0
    [m]
    DC
    IKU
    3095.0
    [m]
    DC
    OD
    3110.0
    [m]
    DC
    IKU
    3115.0
    [m]
    DC
    OD
    3120.0
    [m]
    DC
    OD
    3125.0
    [m]
    DC
    IKU
    3140.0
    [m]
    DC
    IKU
    3145.0
    [m]
    DC
    OD
    3165.0
    [m]
    DC
    OD