Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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27.11.2024 - 01:27
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34/6-4

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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.
    34/6-4
    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.
    NORTH SEA
    Well name
    Official name of the parent well for the wellbore based on Norwegian Offshore Directorate guidelines for designation of wells and wellbores.
    34/6-4
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    MC3D-B34-6R06 PSDM
    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.
    Total 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.
    1605-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.
    76
    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,
    18.12.2015
    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.
    02.03.2016
    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.
    02.03.2018
    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.
    02.03.2018
    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.
    25.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    390.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    4115.0
    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).
    4084.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    9.6
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    148
    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 JURASSIC
    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.
    BURTON FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    61° 38' 46.65'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    2° 49' 29.17'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    6834953.67
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    490715.21
    UTM zone
    Universal Transverse Mercator zone. Examples of legal values: 31, 32, 33, 34.
    31
    NPDID wellbore
    Norwegian Offshore Directorate's unique id for the wellbore.
    7853

  • Wellbore history
    General
    Well 34/6-4 was drilled to test the Uptonia prospect in the Mokkukalven Fault complex. The well is situated northeast of the Garantiana oil discovery in the northern North Sea. The primary objective was to test the hydrocarbon potential in the Cook Formation.
    Operations and results
    Wildcat well 34/6-4 was spudded with the semi-submersible installation Leiv Eiriksson on 18 December 2015 and drilled to 17 1/2" section TD at 2089 m. Due to hole problems it was not possible to run the 13 3/8" past 1419 m. A technical sidetrack (34/6­4 T2) was initiated below the 20" casing shoe at 1343 m on the January 13 2016. The well was drilled to final TD at 4115 m in the Early Jurassic Burton Formation. The well was drilled with sea water and hi-vis pills down to 1307 m. The rest of the first well bore, from 1307 to 2089 m, was drilled with Glydril mud. The technical sidetrack was drilled with KCl/polymer mud from kick-off to 2090 m and with NABM oil based mud from 2090 m to TD.
    The Cook Formation was encountered at 3951 m (3945.5 m TVD), 81.3 m TVD deeper than prognosed. The sands of the Cook Formation was found to be water bearing and of poor to moderate reservoir quality from LWD logs, cuttings and gas measurements. Petro­diagenesis analysis of the acquired sidewall cores indicate that the encountered poor/moderate reservoir quality can be ascribed to lack of preservation of primary porosity. No oil shows above the oil base in the mud were recorded in the well.
    No cores were cut. No fluid sample was taken.
    The well was permanently abandoned on 2 March 2016 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]
    1310.00
    2080.00

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    3721.0
    [m]
    DC
    PETROSTR
    3727.0
    [m]
    DC
    PETROS
    3733.0
    [m]
    DC
    PETROS
    3739.0
    [m]
    DC
    PETROS
    3745.0
    [m]
    DC
    PETROS
    3751.0
    [m]
    DC
    PETROS
    3757.0
    [m]
    DC
    PETROS
    3763.0
    [m]
    DC
    PETROS
    3769.0
    [m]
    DC
    PETROS
    3775.0
    [m]
    DC
    PETROS
    3781.0
    [m]
    DC
    PETROS
    3787.0
    [m]
    DC
    PETROS
    3793.0
    [m]
    DC
    PETROS
    3799.0
    [m]
    DC
    PETROS
    3805.0
    [m]
    DC
    PETROS
    3811.0
    [m]
    DC
    PETROS
    3817.0
    [m]
    DC
    PETROS
    3823.0
    [m]
    DC
    PETROS
    3829.0
    [m]
    DC
    PETROS
    3835.0
    [m]
    DC
    PETROS
    3841.0
    [m]
    DC
    PETROS
    3847.0
    [m]
    DC
    PETROS
    3853.0
    [m]
    DC
    PETROS
    3859.0
    [m]
    DC
    PETROS
    3865.0
    [m]
    DC
    PETROS
    3871.0
    [m]
    DC
    PETROS
    3877.0
    [m]
    DC
    PETROS
    3883.0
    [m]
    DC
    PETROS
    3889.0
    [m]
    DC
    PETROS
    3895.0
    [m]
    DC
    PETROS
    3901.0
    [m]
    DC
    PETROS
    3907.0
    [m]
    DC
    PETROS
    3913.0
    [m]
    DC
    PETROS
    3919.0
    [m]
    DC
    PETROS
    3925.0
    [m]
    DC
    PETROS
    3931.0
    [m]
    DC
    PETROS
    3937.0
    [m]
    DC
    PETROS
    3943.0
    [m]
    DC
    PETROS
    3949.0
    [m]
    DC
    PETROS
    3955.0
    [m]
    DC
    PETROS
    3961.0
    [m]
    DC
    PETROS
    3967.0
    [m]
    DC
    PETROS
    3973.0
    [m]
    DC
    PETROS
    3979.0
    [m]
    DC
    PETROS
    3985.0
    [m]
    DC
    PETROS
    3991.0
    [m]
    DC
    PETROS
    3997.0
    [m]
    DC
    PETROS
    4003.0
    [m]
    DC
    PETROS
    4010.0
    [m]
    DC
    PETROS
    4020.0
    [m]
    DC
    PETROS
    4030.0
    [m]
    DC
    PETROS
    4040.0
    [m]
    DC
    PETROS
    4050.0
    [m]
    DC
    PETROS
    4060.0
    [m]
    DC
    PETROS
    4070.0
    [m]
    DC
    PETROS
    4080.0
    [m]
    DC
    PETROS
    4090.0
    [m]
    DC
    PETROS
    4100.0
    [m]
    DC
    PETROS
    4110.0
    [m]
    DC
    PETROS

  • Lithostratigraphy

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    MWD - DI GR RES APWD
    415
    1307
    MWD - DI GR RES APWD
    1299
    2090
    MWD - DI GR RES APWD DTCO
    1307
    2089
    MWD - GR APWD DEN CAL RES NEU DI
    3718
    3718
    MWD - SON DI GR RES APWD
    2090
    3718
    SON CAL
    3850
    4115
    XLROCK SWC
    3894
    4066

  • 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
    482.5
    36
    482.5
    0.00
    PILOT HOLE
    483.0
    9 7/8
    483.0
    0.00
    SURF.COND.
    20
    1299.0
    26
    1307.0
    1.46
    FIT
    INTERM.
    13 3/8
    2080.3
    17 1/2
    2090.0
    1.80
    LOT
    INTERM.
    9 7/8
    3709.9
    12 1/2
    3718.0
    1.99
    LOT
    OPEN HOLE
    4115.0
    8 1/2
    4115.0
    0.00

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    483
    1.35
    18.0
    Spud mud
    483
    1.25
    18.0
    Spud mud
    1307
    1.03
    18.0
    Sea Water
    1307
    1.25
    18.0
    Spud Mud
    1307
    1.03
    18.0
    GLYDRIL
    1400
    1.38
    16.0
    GLYDRIL
    1510
    1.35
    18.0
    GLYDRIL
    1600
    1.37
    19.0
    GLYDRIL
    1609
    1.45
    20.0
    GLYDRIL
    2020
    1.38
    17.0
    GLYDRIL
    2089
    1.03
    16.0
    GLYDRIL
    2089
    1.45
    17.0
    GLYDRIL
    2090
    1.45
    23.0
    KCL/Polymer
    2093
    1.62
    38.0
    EMS-4600
    2766
    1.67
    41.0
    EMS-4600
    2859
    1.62
    41.0
    EMS-4600
    3071
    1.64
    38.0
    EMS-4600
    3653
    1.65
    40.0
    EMS-4600
    3718
    1.67
    41.0
    EMS-4600
    3785
    1.84
    35.0
    EMS-4750
    3951
    1.86
    37.0
    EMS-4750
    4115
    1.86
    39.0
    EMS-4750
    4115
    1.45
    15.0
    GLYDRIL
    4115
    1.67
    33.0
    EMS-4600
    4115
    1.03
    15.0
    Sea Water