Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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6407/7-1 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.
    6407/7-1 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
    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
    Field
    Name of the field the wellbore is related to.
    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.
    6407/7-1
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    HBGS 83 - 424 SP. 1568
    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.
    486-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.
    171
    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,
    19.10.1985
    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.
    07.04.1986
    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.
    07.04.1988
    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.
    09.03.2009
    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.
    OIL/GAS
    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.
    MIDDLE 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.
    ILE FM
    2nd level with HC, age
    Age of lithostratigraphic unit, 2nd level, where hydrocarbons were encountered. Examples of legal values: CRETACEOUS, EARLY CRETACEOUS, LATE JURASSIC, EOCENE.
    EARLY JURASSIC
    2nd level with HC, formation
    Name of lithostartigraphic unit, 2nd 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.
    TILJE FM
    Kelly bushing elevation [m]
    Elevation of the rotary kelly bushing (RKB) above mean sea level.
    23.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    328.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    3950.0
    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).
    3925.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    9.8
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    138
    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.
    64° 16' 31.49'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    7° 12' 21.12'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7129107.11
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    413114.25
    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.
    474

  • Wellbore history
    General
    Well 6407/7-1 S is located ca 30 km west of the Draugen field on the Njord A-structure in the southern part of the Halten Terrace. The apex of the A-structure is at about 2600 m MSL. The structure has a complex geology with dense faulting. The objective was to test for hydrocarbons in the structure, with the Middle and Early Jurassic as the primary and secondary targets. In addition, the well should obtain reservoir data from the Middle and Early Jurassic reservoir sandstones and establish a better stratigraphical, sedimentological, and structural knowledge of the area. The well should penetrate a deep reflector interpreted to be the "Top Middle Triassic Evaporite reflector". The prognosed total depth was 4025 m.
    Operations and results
    Wildcat well 6407/7 1 S was spudded with the semi-submersible installation Polar Pioneer 19 October 1985 and was drilled to TD at 3950 m in Triassic rocks. Ca 30 days (17%) of the rig time was down time. Major causes for this were sub sea problems with orienting the temporary guide base, bad weather, and fishing for various objects and stuck tools. In addition the section from ca 746 to 1177 m required wiper trips and a lot of reaming to clean the hole. This added several days to the drilling time. The well was vertical down to 1177 m, it built deviation angle up to maximum 9.8 deg at 1460 m, and had a deviation between 9.8 and 3.0 deg from there to TD. The well was drilled with spud mud down to 1172 m, with KCl/polymer mud from 1172 m to 2710 m, with gel/polymer mud from 2710 m to 3601 m, and with gel/lignosulphonate mud from 3610 m to TD.
    The top of the reservoir came in at 2759 m, 70.5 m higher than prognosed. Oil was discovered in three separate reservoir units. The upper reservoir (2759 - 2783.5 m) consisted of sandstones belonging to the Fangst Group and Ror Formation. Relative pressure in this unit was 1.35 g/cc. The main reservoir (2839 -2988 m) consisted of sandstones belonging to the Tilje Formation. Relative pressure was 1.40 g/cc. This reservoir tested 730 and 711 Sm3 oil /day in two tests with a maximum rate of 1400 Sm3 oil /day. The oil was found to be under saturated. The lower reservoir (3017 - 3038 m) consisted of sandstones belonging to the Åre Formation. Total net pay in the reservoirs using porosity > 13%, volume of shale <40%, and < 60% water saturation was 130 m. The OWC was estimated to be at 3045 m.
    Oil shows of poor quality were observed on sand/sandstone (1-10 % of cuttings) in the Shetland Group from 2090 to 2165 m. Oil shows of poor to moderate quality were observed on siltstones recovered from CST run in the Viking Group at 2699 to 2711 m. Oil shows of poor to moderate quality restricted to porous sandstone only were observed in the Garn Formation from 2756 to 2780 m. Fair to good shows on porous coarse sandstone were observed in the Tilje/Åre Formations at 2837 to 3032 m. Shows of poor quality, again restricted to predominantly porous, coarse sandstone were observed in the Åre Formation at 3047 to 3082 m. The oil/water contact was defined from the logs to be between 3003 and 3082.5 m, while RFT data showed an oil/water contact between 3016 and 3045 m. The structural closure with estimated OWC at 3045 m was approximately 49 km2.
    The deep seismic reflector interpreted as "Top middle Triassic Evaporite reflector", was caused by two lithological sequences at 3828 m in the Red Beds, which created a composite strong seismic signal.
    16 cores were cut in the interval 2713 to 3118 m. Core 1 was cut in the Melke Formation, core 2 in the Garn Formation, while the remaining cores were cut in the Båt Group. An RFT segregated sample was taken at 2959.5 m (2945.2 m TVD RKB). It contained oil and gas with GOR = 241.7 Sm3/m3, BOB = 1.8358, stock tank oil density = 835.4 kg/m3, and gas gravity = 0.841 (air = 1).
    The well was permanently abandoned on 7 April 1986 as an oil and gas discovery.
    Testing
    Five drill stem tests were performed.
    DST 1 tested the interval 3099.5 - 3113.5 m in the Åre Formation. It produced 4.4 m3 water /day through a 25.4 mm choke. Maximum bottom-hole temperature was 114.8 deg C.
    DST 2 tested the interval 3022.9 - 3034.4 m in the uppermost Åre Formation. It produced 85 Sm3 oil /day through a 25.4 mm choke. GOR was 229 Sm3/Sm3, oil density was 0.832 g/cm3, and gas gravity was 0.800 (air = 1). Maximum bottom-hole temperature was 111.5 deg C.
    DST 3 tested the interval 2946.5 - 2973.0 m in the Tilje Formation. It produced 711 Sm3 oil /day through a 12.7 mm choke. GOR was 202 Sm3/Sm3, oil density was 0.825 g/cm3, and gas gravity was 0.700 (air = 1) . Maximum bottom-hole temperature was 114.7 deg C.
    DST 4 tested the interval 2840 - 2886 m in the uppermost Tilje Formation. It produced 730 Sm3 oil /day through a 12.7 mm choke. GOR was 202 Sm3/Sm3, oil density was 0.825 g/cm3, and gas gravity was 0.693 (air = 1). Maximum bottom-hole temperature was 113 deg C.
    DST 5 tested the interval 2758 - 2781 m in the Garn and upper Ror Formations. It produced 818 Sm3 oil /day through a 25.4 mm choke. GOR was 220 Sm3/Sm3 oil density was 0.823 g/cm3, and gas gravity was 0.732 (air = 1). Maximum bottom-hole temperature was 109.3 deg C.

  • 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
    3950.00

  • 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
    2713.0
    2726.1
    [m ]
    2
    2760.0
    2770.7
    [m ]
    3
    2772.0
    2781.3
    [m ]
    4
    2783.0
    2801.9
    [m ]
    5
    2804.0
    2832.7
    [m ]
    6
    2844.0
    2854.8
    [m ]
    7
    2871.0
    2892.5
    [m ]
    8
    2895.0
    2922.8
    [m ]
    9
    2923.0
    2951.0
    [m ]
    10
    2951.0
    2970.0
    [m ]
    11
    2970.0
    2988.7
    [m ]
    12
    2988.7
    3013.3
    [m ]
    13
    3013.5
    3040.9
    [m ]
    14
    3052.0
    3060.2
    [m ]
    15
    3063.0
    3083.7
    [m ]
    16
    3090.5
    3118.0
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    314.6
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 2713-2719m
    Core photo at depth: 2719-2725m
    Core photo at depth: 2725-2726m
    Core photo at depth: 2760-2766m
    Core photo at depth: 2778-2781m
    2713-2719m
    2719-2725m
    2725-2726m
    2760-2766m
    2778-2781m
    Core photo at depth: 2772-2778m
    Core photo at depth: 2766-2770m
    Core photo at depth: 2783-2788m
    Core photo at depth: 2789-2794m
    Core photo at depth: 2795-2801m
    2772-2778m
    2766-2770m
    2783-2788m
    2789-2794m
    2795-2801m
    Core photo at depth: 2801-2802m
    Core photo at depth: 2804-2810m
    Core photo at depth: 2810-2816m
    Core photo at depth: 2816-2822m
    Core photo at depth: 2822-2828m
    2801-2802m
    2804-2810m
    2810-2816m
    2816-2822m
    2822-2828m
    Core photo at depth: 2828-2831m
    Core photo at depth: 2844-2850m
    Core photo at depth: 2850-2854m
    Core photo at depth: 2871-2877m
    Core photo at depth: 2877-2883m
    2828-2831m
    2844-2850m
    2850-2854m
    2871-2877m
    2877-2883m
    Core photo at depth: 2883-2889m
    Core photo at depth: 2889-2892m
    Core photo at depth: 2895-2901m
    Core photo at depth: 2901-2907m
    Core photo at depth: 2907-2913m
    2883-2889m
    2889-2892m
    2895-2901m
    2901-2907m
    2907-2913m
    Core photo at depth: 2913-2919m
    Core photo at depth: 2919-2922m
    Core photo at depth: 2923-2929m
    Core photo at depth: 2929-2935m
    Core photo at depth: 2935-2941m
    2913-2919m
    2919-2922m
    2923-2929m
    2929-2935m
    2935-2941m
    Core photo at depth: 2941-2947m
    Core photo at depth: 2947-2951m
    Core photo at depth: 2951-2957m
    Core photo at depth: 2957-2963m
    Core photo at depth: 2963-2969m
    2941-2947m
    2947-2951m
    2951-2957m
    2957-2963m
    2963-2969m
    Core photo at depth: 2969-2970m
    Core photo at depth: 2970-2976m
    Core photo at depth: 2976-2982m
    Core photo at depth: 2982-2988m
    Core photo at depth: 2988-2989m
    2969-2970m
    2970-2976m
    2976-2982m
    2982-2988m
    2988-2989m
    Core photo at depth: 2988-2994m
    Core photo at depth: 2994-3000m
    Core photo at depth: 3000-3006m
    Core photo at depth: 3006-3012m
    Core photo at depth: 3012-3013m
    2988-2994m
    2994-3000m
    3000-3006m
    3006-3012m
    3012-3013m
    Core photo at depth: 3013-3019m
    Core photo at depth: 3019-3025m
    Core photo at depth: 3025-3031m
    Core photo at depth: 3031-3037m
    Core photo at depth: 3037-3040m
    3013-3019m
    3019-3025m
    3025-3031m
    3031-3037m
    3037-3040m
    Core photo at depth: 3052-3058m
    Core photo at depth: 3058-3060m
    Core photo at depth: 3063-3069m
    Core photo at depth: 3069-3075m
    Core photo at depth: 3075-3081m
    3052-3058m
    3058-3060m
    3063-3069m
    3069-3075m
    3075-3081m
    Core photo at depth: 3081-3083m
    Core photo at depth: 3090-3096m
    Core photo at depth: 3096-3102m
    Core photo at depth: 3102-3108m
    Core photo at depth: 3108-3114m
    3081-3083m
    3090-3096m
    3096-3102m
    3102-3108m
    3108-3114m
    Core photo at depth: 3114-3118m
    Core photo at depth:  
    Core photo at depth:  
    Core photo at depth:  
    Core photo at depth:  
    3114-3118m

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    1805.2
    [m]
    SWC
    STRAT?
    1824.8
    [m]
    SWC
    STRAT?
    1839.9
    [m]
    SWC
    STRAT?
    1844.9
    [m]
    SWC
    STRAT?
    1898.1
    [m]
    SWC
    STRAT?
    1900.2
    [m]
    SWC
    STRAT?
    1927.0
    [m]
    SWC
    STRAT?
    1946.0
    [m]
    SWC
    STRAT?
    1959.0
    [m]
    SWC
    STRAT?
    1981.0
    [m]
    SWC
    STRAT?
    2000.0
    [m]
    SWC
    STRAT?
    2019.0
    [m]
    SWC
    STRAT?
    2039.5
    [m]
    SWC
    STRAT?
    2058.0
    [m]
    SWC
    STRAT?
    2078.0
    [m]
    SWC
    STRAT?
    2100.0
    [m]
    SWC
    STRAT?
    2121.0
    [m]
    SWC
    STRAT?
    2140.0
    [m]
    SWC
    STRAT?
    2160.0
    [m]
    SWC
    STRAT?
    2190.0
    [m]
    SWC
    STRAT?
    2220.0
    [m]
    SWC
    STRAT?
    2231.0
    [m]
    SWC
    STRAT?
    2249.3
    [m]
    SWC
    STRAT?
    2276.5
    [m]
    SWC
    STRAT?
    2295.0
    [m]
    SWC
    STRAT?
    2314.0
    [m]
    SWC
    STRAT?
    2336.5
    [m]
    SWC
    STRAT?
    2425.0
    [m]
    SWC
    STRAT?
    2449.0
    [m]
    SWC
    STRAT?
    2493.5
    [m]
    SWC
    STRAT?
    2550.0
    [m]
    SWC
    STRAT?
    2590.0
    [m]
    SWC
    STRAT?
    2610.0
    [m]
    SWC
    STRAT?
    2630.0
    [m]
    SWC
    STRAT?
    2649.0
    [m]
    SWC
    STRAT?
    2670.0
    [m]
    SWC
    STRAT?
    2693.0
    [m]
    SWC
    STRAT?
    2697.0
    [m]
    DC
    PETROSTR
    2699.0
    [m]
    SWC
    STRAT
    2702.0
    [m]
    SWC
    STRAT
    2702.0
    [m]
    DC
    PETROSTR
    2704.0
    [m]
    SWC
    STRAT
    2710.0
    [m]
    DC
    PETROSTR
    2711.0
    [m]
    SWC
    STRAT
    2717.1
    [m]
    C
    OD
    2717.5
    [m]
    C
    PETROSTR
    2720.1
    [m]
    C
    OD
    2725.1
    [m]
    C
    OD
    2725.6
    [m]
    C
    PETROSTR
    2735.0
    [m]
    SWC
    STRAT
    2747.0
    [m]
    SWC
    STRAT
    2757.0
    [m]
    SWC
    STRAT
    2772.1
    [m]
    C
    OD
    2784.9
    [m]
    C
    OD
    2789.9
    [m]
    C
    OD
    2798.6
    [m]
    C
    OD
    2804.8
    [m]
    C
    OD
    2810.9
    [m]
    C
    OD
    2816.9
    [m]
    C
    OD
    2822.7
    [m]
    C
    OD
    2828.3
    [m]
    C
    OD
    2837.0
    [m]
    SWC
    STRAT
    2862.0
    [m]
    SWC
    STRAT
    3045.0
    [m]
    SWC
    STRAT
    3138.0
    [m]
    SWC
    STRAT
    3183.0
    [m]
    SWC
    STRAT
    3247.0
    [m]
    SWC
    STRAT
    3333.0
    [m]
    SWC
    STRAT
    3400.0
    [m]
    SWC
    STRAT
    3518.0
    [m]
    SWC
    STRAT
    3578.0
    [m]
    SWC
    STRAT
    3611.0
    [m]
    SWC
    STRAT
    3640.0
    [m]
    SWC
    STRAT
    3706.0
    [m]
    SWC
    STRAT

  • Oil samples at the Norwegian Offshore Directorate
    Oil samples at the Norwegian Offshore Directorate
    Test type
    Bottle number
    Top depth
    MD [m]
    Bottom depth
    MD [m]
    Fluid type
    Test time
    Samples available
    DST
    DST2
    3022.90
    3034.40
    OIL
    08.03.1986 - 00:00
    YES
    DST
    DST3
    2946.50
    2973.00
    OIL
    16.03.1986 - 00:00
    YES
    DST
    DST4
    2840.00
    2886.00
    23.03.1986 - 00:00
    YES
    DST
    DST5
    2758.00
    2781.00
    30.03.1986 - 00:00
    YES

  • Lithostratigraphy

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    0.03
    pdf
    0.65
    pdf
    6.83
    pdf
    2.79
    pdf
    12.13
    pdf
    6.53
    pdf
    3.95

  • 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
    15.86
    pdf
    4.83

  • Drill stem tests (DST)
    Drill stem tests (DST)
    Test number
    From depth MD
    [m]
    To depth MD
    [m]
    Choke size
    [mm]
    1.0
    3100
    3114
    25.4
    2.0
    3023
    3034
    25.4
    3.0
    2947
    2973
    12.7
    4.0
    2840
    2886
    12.7
    5.0
    2758
    2781
    25.4
    Drill stem tests (DST)
    Test number
    Final shut-in pressure
    [MPa]
    Final flow pressure
    [MPa]
    Bottom hole pressure
    [MPa]
    Downhole temperature
    [°C]
    1.0
    2.0
    3.0
    4.0
    5.0
    Drill stem tests (DST)
    Test number
    Oil
    [Sm3/day]
    Gas
    [Sm3/day]
    Oil density
    [g/cm3]
    Gas grav. rel.air
    GOR
    [m3/m3]
    1.0
    2.0
    85
    19000
    0.832
    0.800
    229
    3.0
    210
    147000
    0.824
    0.707
    208
    4.0
    204
    148000
    0.825
    0.693
    202
    5.0
    221
    170000
    0.823
    0.732
    220

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    CBL VDL
    500
    1892
    CBL VDL
    1600
    2703
    CBL VDL
    2400
    3733
    CET
    2400
    3733
    CST
    1190
    1898
    CST
    1900
    2336
    CST
    2356
    2711
    CST
    2704
    3750
    CST
    3762
    3901
    CST
    3762
    3941
    DIS LSS GR SP
    353
    3951
    DLL MSFL GR SP
    1851
    3748
    LDL CNL CAL GR
    420
    3936
    RFT
    2002
    2708
    RFT
    2760
    2989
    RFT
    2908
    3234
    S MDT GR
    1888
    3940
    VSP
    687
    3750

  • 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
    441.0
    36
    443.0
    0.00
    LOT
    SURF.COND.
    20
    1130.0
    26
    1172.0
    0.00
    LOT
    INTERM.
    13 3/8
    1890.0
    17 1/2
    1917.0
    0.00
    LOT
    INTERM.
    9 5/8
    2700.0
    12 1/4
    2710.0
    0.00
    LOT
    INTERM.
    7
    3729.0
    8 3/8
    3756.0
    0.00
    LOT
    OPEN HOLE
    3950.0
    6
    3950.0
    0.00
    LOT

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    375
    1.04
    WATER BASED
    20.10.1985
    380
    1.07
    99.0
    99.0
    XXX
    07.04.1986
    380
    1.07
    99.0
    99.0
    XXXX
    07.04.1986
    443
    1.04
    WATER BASED
    27.10.1985
    443
    1.04
    WATER BASED
    20.10.1985
    443
    1.04
    WATER BASED
    21.10.1985
    443
    1.04
    WATER BASED
    22.10.1985
    443
    1.04
    WATER BASED
    24.10.1985
    594
    1.10
    WATER BASED
    29.10.1985
    945
    1.06
    WATER BASED
    29.10.1985
    1172
    1.07
    WATER BASED
    31.10.1985
    1172
    1.07
    WATER BASED
    03.11.1985
    1172
    1.10
    WATER BASED
    05.11.1985
    1172
    1.16
    WATER BASED
    10.11.1985
    1172
    1.16
    WATER BASED
    12.11.1985
    1172
    1.20
    20.0
    13.0
    WATER BASED
    13.11.1985
    1172
    1.07
    WATER BASED
    04.11.1985
    1172
    1.20
    20.0
    13.0
    WATER BASED
    17.11.1985
    1179
    1.21
    18.0
    10.0
    WATER BASED
    17.11.1985
    1200
    1.21
    11.0
    10.0
    WATER BASED
    17.11.1985
    1368
    1.21
    22.0
    14.0
    WATER BASED
    18.11.1985
    1403
    1.30
    22.0
    11.0
    WATER BASED
    19.11.1985
    1411
    1.30
    22.0
    12.0
    WATER BASED
    20.11.1985
    1652
    1.60
    32.0
    15.0
    WATER BASED
    25.11.1985
    1652
    1.65
    25.0
    14.0
    WATER BASED
    25.11.1985
    1652
    1.65
    30.0
    15.0
    WATER BASED
    25.11.1985
    1687
    1.65
    30.0
    15.0
    WATER BASED
    25.11.1985
    1917
    1.68
    37.0
    12.0
    WATER BASED
    26.11.1985
    1917
    1.68
    35.0
    14.0
    WATER BASED
    27.11.1985
    1917
    1.68
    31.0
    12.0
    WATER BASED
    28.11.1985
    1917
    1.68
    31.0
    12.0
    WATER BASED
    01.12.1985
    1917
    1.71
    35.0
    11.0
    WATER BASED
    01.12.1985
    1965
    1.71
    36.0
    8.0
    WATER BASED
    04.12.1985
    2127
    1.71
    40.0
    13.0
    WATER BASED
    04.12.1985
    2149
    1.71
    30.0
    9.0
    WATER BASED
    03.12.1985
    2272
    1.71
    31.0
    10.0
    WATER BASED
    05.12.1985
    2284
    1.71
    30.0
    9.0
    WATER BASED
    08.12.1985
    2295
    1.63
    26.0
    7.0
    WATER BASED
    08.12.1985
    2388
    1.63
    34.0
    10.0
    WATER BASED
    08.12.1985
    2506
    1.65
    28.0
    8.0
    WATER BASED
    10.12.1985
    2528
    1.65
    29.0
    8.0
    WATER BASED
    11.12.1985
    2605
    1.65
    26.0
    9.0
    WATER BASED
    12.12.1985
    2683
    1.65
    26.0
    10.0
    WATER BASED
    15.12.1985
    2710
    1.65
    25.0
    11.0
    WATER BASED
    15.12.1985
    2710
    1.65
    25.0
    10.0
    WATER BASED
    18.12.1985
    2710
    1.65
    28.0
    7.0
    WATER BASED
    19.12.1985
    2710
    1.65
    28.0
    7.0
    WATER BASED
    22.12.1985
    2710
    1.65
    25.0
    10.0
    WATER BASED
    15.12.1985
    2713
    1.44
    19.0
    7.0
    WATER BASED
    22.12.1985
    2727
    1.38
    17.0
    7.0
    WATER BASED
    22.12.1985
    2728
    1.47
    28.0
    16.0
    WATER BASED
    03.04.1986
    2728
    1.46
    12.0
    10.0
    WATER BASED
    07.04.1986
    2760
    1.38
    18.0
    8.0
    WATER BASED
    23.12.1985
    2772
    1.38
    18.0
    7.0
    WATER BASED
    26.12.1985
    2783
    1.38
    16.0
    7.0
    WATER BASED
    26.12.1985
    2811
    1.38
    18.0
    8.0
    WATER BASED
    26.12.1985
    2832
    1.38
    17.0
    9.0
    WATER BASED
    29.12.1985
    2833
    1.49
    5.0
    1.0
    BRINE
    02.04.1986
    2833
    1.54
    5.0
    1.0
    BRINE
    25.03.1986
    2836
    1.38
    16.0
    8.0
    WATER BASED
    29.12.1985
    2844
    1.55
    19.0
    8.0
    WATER BASED
    29.12.1985
    2871
    1.55
    20.0
    9.0
    WATER BASED
    30.12.1985
    2895
    1.55
    21.0
    7.0
    WATER BASED
    01.01.1986
    2923
    1.55
    18.0
    6.0
    WATER BASED
    01.01.1986
    2935
    1.54
    5.0
    1.0
    BRINE
    21.03.1986
    2935
    1.54
    5.0
    1.0
    BRINE
    24.03.1986
    2935
    1.54
    5.0
    1.0
    BRINE
    24.03.1986
    2935
    1.54
    5.0
    1.0
    BRINE
    26.03.1986
    2935
    1.54
    5.0
    1.0
    BRINE
    25.03.1986
    2951
    1.55
    23.0
    10.0
    WATER BASED
    02.01.1986
    2988
    1.55
    21.0
    9.0
    WATER BASED
    05.01.1986
    2988
    1.55
    22.0
    8.0
    WATER BASED
    05.01.1986
    3013
    1.55
    20.0
    9.0
    WATER BASED
    05.01.1986
    3013
    1.55
    20.0
    9.0
    WATER BASED
    05.01.1986
    3013
    1.55
    22.0
    8.0
    WATER BASED
    07.01.1986
    3013
    1.55
    18.0
    7.0
    WATER BASED
    08.01.1986
    3016
    1.55
    5.0
    1.0
    BRINE
    17.03.1986
    3016
    1.56
    5.0
    1.0
    BRINE
    19.03.1986
    3016
    1.54
    5.0
    1.0
    BRINE
    17.03.1986
    3041
    1.55
    19.0
    7.0
    WATER BASED
    09.01.1986
    3052
    1.55
    18.0
    8.0
    WATER BASED
    13.01.1986
    3063
    1.55
    19.0
    8.0
    WATER BASED
    13.01.1986
    3090
    1.55
    19.0
    8.0
    WATER BASED
    13.01.1986
    3094
    1.49
    5.0
    1.0
    BRINE
    03.03.1986
    3094
    1.58
    5.0
    1.0
    BRINE
    05.03.1986
    3094
    1.57
    5.0
    1.0
    BRINE
    06.03.1986
    3094
    1.57
    5.0
    1.0
    BRINE
    07.03.1986
    3094
    1.57
    5.0
    1.0
    BRINE
    11.03.1986
    3094
    1.58
    5.0
    1.0
    BRINE
    08.03.1986
    3094
    1.56
    5.0
    1.0
    BRINE
    12.03.1986
    3094
    1.56
    5.0
    1.0
    BRINE
    13.03.1986
    3094
    1.55
    5.0
    1.0
    BRINE
    14.03.1986
    3094
    1.58
    5.0
    1.0
    BRINE
    04.03.1986
    3118
    1.51
    24.0
    8.0
    WATER BASED
    13.01.1986
    3135
    1.49
    21.0
    8.0
    WATER BASED
    15.01.1986
    3157
    1.49
    WATER BASED
    24.02.1986
    3157
    1.49
    5.0
    1.0
    BRINE
    25.02.1986
    3157
    1.49
    5.0
    1.0
    BRINE
    26.02.1986
    3157
    1.49
    5.0
    1.0
    BRINE
    27.02.1986
    3157
    1.49
    5.0
    1.0
    BRINE
    28.02.1986
    3157
    1.49
    5.0
    1.0
    BRINE
    03.03.1986
    3157
    1.49
    16.0
    6.0
    WATER BASED
    24.02.1986
    3218
    1.49
    24.0
    11.0
    WATER BASED
    15.01.1986
    3234
    1.49
    21.0
    10.0
    WATER BASED
    19.01.1986
    3234
    1.49
    22.0
    11.0
    WATER BASED
    19.01.1986
    3318
    1.49
    23.0
    11.0
    WATER BASED
    19.01.1986
    3367
    1.49
    22.0
    9.0
    WATER BASED
    19.01.1986
    3367
    1.49
    21.0
    8.0
    WATER BASED
    19.01.1986
    3389
    1.49
    19.0
    8.0
    WATER BASED
    22.01.1986
    3400
    1.49
    22.0
    9.0
    WATER BASED
    29.01.1986
    3404
    1.49
    22.0
    10.0
    WATER BASED
    03.02.1986
    3409
    1.49
    23.0
    9.0
    WATER BASED
    03.02.1986
    3550
    1.49
    23.0
    12.0
    WATER BASED
    03.02.1986
    3601
    1.49
    23.0
    12.0
    WATER BASED
    03.02.1986
    3648
    1.49
    15.0
    6.0
    WATER BASED
    19.02.1986
    3654
    1.49
    20.0
    13.0
    WATER BASED
    03.02.1986
    3711
    1.49
    15.0
    7.0
    WATER BASED
    28.01.1986
    3711
    1.49
    15.0
    7.0
    WATER BASED
    03.02.1986
    3750
    1.49
    16.0
    6.0
    WATER BASED
    28.01.1986
    3750
    1.49
    16.0
    6.0
    WATER BASED
    30.01.1986
    3750
    1.49
    16.0
    6.0
    WATER BASED
    04.02.1986
    3755
    1.49
    16.0
    6.0
    WATER BASED
    05.02.1986
    3755
    1.50
    16.0
    5.0
    WATER BASED
    07.02.1986
    3755
    1.50
    16.0
    6.0
    WATER BASED
    11.02.1986
    3755
    1.50
    15.0
    6.0
    WATER BASED
    11.02.1986
    3755
    1.49
    16.0
    6.0
    WATER BASED
    06.02.1986
    3755
    1.49
    16.0
    5.0
    WATER BASED
    11.02.1986
    3756
    1.49
    15.0
    8.0
    WATER BASED
    12.02.1986
    3756
    1.49
    13.0
    7.0
    WATER BASED
    13.02.1986
    3758
    1.49
    13.0
    6.0
    WATER BASED
    21.02.1986
    3771
    1.49
    18.0
    8.0
    WATER BASED
    13.02.1986
    3787
    1.49
    15.0
    8.0
    WATER BASED
    17.02.1986
    3889
    1.49
    15.0
    7.0
    WATER BASED
    17.02.1986
    3950
    1.49
    16.0
    6.0
    WATER BASED
    17.02.1986
    3950
    1.49
    16.0
    6.0
    WATER BASED
    18.02.1986

  • Pressure plots
    Pressure plots
    The pore pressure data is sourced from well logs if no other source is specified. In some wells where pore pressure logs do not exist, information from Drill stem tests and kicks have been used. The data has been reported to the NPD, and further processed and quality controlled by IHS Markit.
    Pressure plots
    Document name
    Document format
    Document size [MB]
    pdf
    0.29