Factpages Norwegian petroleum directorate
Factpages Norwegian petroleum directorate
NPD          Norsk
29.05.2023 - 01:45
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6406/11-1 S

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  • General information

    General information
    Attribute Value
    Wellbore name
    Official name of wellbore based on NPD guidelines for designation of wells and wellbores.
    6406/11-1 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 NPD.
    INJECTING: It was injected to the wellbore at the time of the operators last monthly report to the NPD.
    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
    Discovery
    Name of the discovery the wellbore is related to.
    Well name
    Official name of the parent well for the wellbore based on NPD guidelines for designation of wells and wellbores.
    6406/11-1
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    DG M2-3D-90: ROW 243 & COL. 920
    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.
    Saga Petroleum ASA
    Drill permit
    The drilling permit number together with the version of the drilling permit as stated in the drilling permit granted by the NPD.
    651-L
    Drilling facility
    NPD's name of the facility which the wellbore was drilled from.
    Drilling days
    Number of days from wellbore entry to wellbore completion.
    123
    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,
    19.10.1990
    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.
    18.02.1991
    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.
    18.02.1993
    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.
    30.06.2005
    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
    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
    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 NPD 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 NPD bulletins.
    ILE FM
    Kelly bushing elevation [m]
    Elevation of the rotary kelly bushing (RKB) above mean sea level.
    26.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    315.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    4185.0
    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).
    4131.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    28.8
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    150
    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° 2' 45.9'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    6° 36' 14.16'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    7104524.70
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    383011.32
    UTM zone
    Universal Transverse Mercator zone. Examples of legal values: 31, 32, 33, 34.
    32
    NPDID wellbore
    NPD's unique id for the wellbore.
    1539
  • Wellbore history

    General
    The well 6406/11-lS was drilled on a truncational/fault seal trap structure on the western slope of the Frøya High near the southern end of the Halten Terrace. The main objective of the well was to test the hydrocarbon potential in the Early to Middle Jurassic Fangst Group. Secondary objectives were to test the reservoir properties the underlying Tilje Formation, as well as possible sand development in the Tertiary. The well should also evaluate the source rock properties in the Early Jurassic Åre Formation. Planned total depth was 4526 m RKB TVD beneath a seismic marker interpreted as Triassic Evaporite. The well was the first well on a new block and the pressure prognosis was uncertain. Formation pressures were to be watched closely while drilling.
    Operations and results
    Wildcat well 6406/11-1 S was spudded with the semi-submersible installation Treasure Saga on 19 October 1990 and drilled to TD at 4185 m in the Late Triassic Red Beds. To avoid shallow gas the well was spudded and drilled deviated from a location 260 m NNW of the planned target location. During drilling the Nordland Group, two shallow gas intervals were penetrated at 893 - 897.5 m and 1148 - 1150 m. To get back to vertical drilling the well was deviated from 1235 m to 2165 m MD. Only minor problems occurred while drilling down to the 12 1/4" section. After drilling the 12 1/4" hole down to 3395 m, the VSP tool become stuck at 3383 m. A total of 5 days were spent recovering the wire line and miring the fish down. Only minor problems with tight spots occurred while drilling to TD.
    Formation pressure was hydrostatic down to ca 1520 m, from where a gradual pressure build up was indicated in the Hordaland Group down through the Rogaland Group, estimated to a maximum of 1.60 g/cc EMW at 2400 m in the upper part of the Shetland Group. From here a slight pressure depletion down to approximately 3000 m was indicated. From 3000 m down to the Jurassic sandstones of the Fangst Group, increasing gas levels and decreasing sonic velocity indicated a new pressure build up. The pressure build up continues down to 3630.8 m in the Ile Formation where a maximum pressure gradient of 1.71 g/cc EMW was estimated on the basis of FMT recordings. High gas levels in the Åre Formation of the Båt Group indicate a possible new pressure build up towards the bottom of the well.
    No significant sand development was seen in the Tertiary. The Fangst Group comprised shales of the Not Formation before penetrating the reservoir sands of the Ile Formation at 3599 m. The well drilled further through the Early Jurassic Båt Group comprising the Ror, Tilje and Åre Formations before penetrating the Triassic Grey Beds at 4134 m and Red Beds at 4149 m.
    FMT pressure measurements showed a possible gas/condensate gradient over the Ile Formation. The first appearance of C2+ components in the mud gas readings came at 3599 m in the Ile Formation. Sands of the Ile Formation contained moderate to good oil shows. Sands of the Tilje Formations also had weak oil shows, and weak, intermittent oil shows were recorded from 4025 m to 4100 m in the Åre Formation. Organic geochemical analyses showed that mainly gas-prone source rocks were penetrated in the well. These are the Upper Jurassic Melke Formation shales, which have a fair gas potential (and some condensate), and coals and shales within the Ile, Ror, and Åre Formation. Coal in the Ile Formation may have some minor potential for waxy oil. The well is immature (Ro < 0.5 %) down to about 2500 m, moderately mature (Ro 0.5 - 0.6 %) down to 3600 m and peak oil mature (~ 0.8 %) at about 4100 m, remaining within the oil window to TD at 4188 m. The analyses further confirmed oil stain from migrant hydrocarbons in the interval 3600 m to 4100 m. Extracts, FMT oil, and DST3A oil from the Ile Formation all showed a very waxy composition. PVT analyses of the FMT oil showed a pour point of 34 °C, bubble point pressure of 275 bar at 80 °C, and stock tank oil density of 0.8754 g/cm3. The GOR from single stage flash was 126.5 Sm3/Sm3.
    Three segregated FMT fluid samples were taken in the Ile Formation, and the sample from 3694.3 m contained 1.5 litres of oil and 7 litres of water. In the Tilje and Åre Formations no reliable pressure measurements were obtained due to tight formation and hole conditions. As the planned DST of the Tilje Formation was cancelled a cased hole RFT-tool was run here, with the objective to obtain fluid samples. This sampling was not conclusive as the chambers contained mainly filtrate water. A total of 11 conventional cores were cut in the Ile and Ror Formations, recovering a total of 109.7 m core. A total of 113 sidewall cores were attempted and 73 were recovered.
    The well was permanently abandoned on 18 February 1991 as a minor oil discovery.
    Testing
    3 DST tests were performed. Test 1 in the intervals 4027 - 4049 m and 4053 - 4060 m (Åre Formation) yielded 2 Sm3/d of water. Test 3A within the Ile Formation yielded 19 Sm3/d of waxy oil with formation water in the interval 3709 - 3723 m. Test 3B perforated the interval 3692 - 3705 m in addition to 3709 - 3723 m, and an immediate pressure increase followed. This test produced 610 Sm3/d water and no oil.
    >
  • Cuttings at the NPD

    Cuttings at the NPD
    Cuttings available for sampling?
    YES
    Cuttings at the NPD
    Cutting sample, top depth [m]
    Cutting samples, bottom depth [m]
    440.00
    4184.00
  • Cores at the NPD

    Cores at the NPD
    Core sample number
    Core sample - top depth
    Core sample - bottom depth
    Core sample depth - uom
    1
    3604.0
    3605.5
    [m ]
    2
    3615.0
    3623.8
    [m ]
    3
    3625.0
    3637.7
    [m ]
    4
    3642.0
    3649.2
    [m ]
    5
    3653.0
    3664.0
    [m ]
    6
    3665.0
    3683.8
    [m ]
    7
    3684.0
    3692.2
    [m ]
    8
    3694.0
    3712.0
    [m ]
    9
    3712.0
    3721.0
    [m ]
    10
    3725.0
    3728.5
    [m ]
    11
    3733.0
    3747.0
    [m ]
    Cores at the NPD
    Total core sample length [m]
    112.7
    Cores at the NPD
    Cores available for sampling?
    YES
  • Core photos

    Core photos
    Core photo at depth: 3604-3618m
    Core photo at depth: 3618-3623m
    Core photo at depth: 3623-3629m
    Core photo at depth: 3629-3634m
    Core photo at depth: 3634-3646m
    3604-3618m
    3618-3623m
    3623-3629m
    3629-3634m
    3634-3646m
    Core photo at depth: 3646-3654m
    Core photo at depth: 3654-3659m
    Core photo at depth: 3659-3664m
    Core photo at depth: 3665-3670m
    Core photo at depth: 3670-3675m
    3646-3654m
    3654-3659m
    3659-3664m
    3665-3670m
    3670-3675m
    Core photo at depth: 3675-3680m
    Core photo at depth: 3680-3685m
    Core photo at depth: 3685-3690m
    Core photo at depth: 3690-3696m
    Core photo at depth: 3696-3701m
    3675-3680m
    3680-3685m
    3685-3690m
    3690-3696m
    3696-3701m
    Core photo at depth: 3701-3706m
    Core photo at depth: 3706-3711m
    Core photo at depth: 3711-3716m
    Core photo at depth: 3716-3721m
    Core photo at depth: 3725-3734m
    3701-3706m
    3706-3711m
    3711-3716m
    3716-3721m
    3725-3734m
    Core photo at depth: 3734-3739m
    Core photo at depth: 3739-3744m
    Core photo at depth: 3744-3747m
    Core photo at depth:  
    Core photo at depth:  
    3734-3739m
    3739-3744m
    3744-3747m
  • Palynological slides at the NPD

    Palynological slides at the NPD
    Sample depth
    Depth unit
    Sample type
    Laboratory
    607.5
    [m]
    SWC
    STRAT
    620.0
    [m]
    DC
    STRAT
    630.0
    [m]
    DC
    STRAT
    640.0
    [m]
    DC
    STRAT
    650.0
    [m]
    DC
    STRAT
    660.0
    [m]
    DC
    STRAT
    670.0
    [m]
    DC
    STRAT
    680.0
    [m]
    DC
    STRAT
    694.0
    [m]
    SWC
    STRAT
    700.0
    [m]
    DC
    STRAT
    710.0
    [m]
    DC
    STRAT
    720.0
    [m]
    DC
    STRAT
    730.0
    [m]
    DC
    STRAT
    740.0
    [m]
    DC
    STRAT
    750.0
    [m]
    DC
    STRAT
    760.0
    [m]
    DC
    STRAT
    770.0
    [m]
    DC
    STRAT
    780.0
    [m]
    DC
    STRAT
    790.0
    [m]
    DC
    STRAT
    800.0
    [m]
    DC
    STRAT
    810.0
    [m]
    DC
    STRAT
    820.0
    [m]
    DC
    STRAT
    830.0
    [m]
    DC
    STRAT
    842.0
    [m]
    SWC
    STRAT
    850.0
    [m]
    DC
    STRAT
    860.0
    [m]
    DC
    STRAT
    870.0
    [m]
    DC
    STRAT
    880.0
    [m]
    DC
    STRAT
    890.0
    [m]
    DC
    STRAT
    900.0
    [m]
    DC
    STRAT
    910.0
    [m]
    DC
    STRAT
    920.0
    [m]
    DC
    STRAT
    930.0
    [m]
    DC
    STRAT
    940.0
    [m]
    DC
    STRAT
    950.0
    [m]
    DC
    STRAT
    965.0
    [m]
    SWC
    STRAT
    980.0
    [m]
    DC
    STRAT
    990.0
    [m]
    DC
    STRAT
    1000.0
    [m]
    DC
    STRAT
    1010.0
    [m]
    DC
    STRAT
    1020.0
    [m]
    DC
    STRAT
    1030.0
    [m]
    DC
    STRAT
    1040.0
    [m]
    DC
    STRAT
    1050.0
    [m]
    DC
    STRAT
    1060.0
    [m]
    DC
    STRAT
    1075.0
    [m]
    SWC
    STRAT
    1090.0
    [m]
    DC
    STRAT
    1100.0
    [m]
    DC
    STRAT
    1110.0
    [m]
    DC
    STRAT
    1120.0
    [m]
    DC
    STRAT
    1130.0
    [m]
    DC
    STRAT
    1140.0
    [m]
    DC
    STRAT
    1150.0
    [m]
    DC
    STRAT
    1160.0
    [m]
    DC
    STRAT
    1170.0
    [m]
    DC
    STRAT
    1186.5
    [m]
    SWC
    STRAT
    1203.0
    [m]
    SWC
    STRAT
    1210.0
    [m]
    DC
    STRAT
    1220.0
    [m]
    DC
    STRAT
    1235.0
    [m]
    DC
    STRAT
    1250.0
    [m]
    DC
    STRAT
    1260.0
    [m]
    DC
    STRAT
    1270.0
    [m]
    DC
    STRAT
    1280.0
    [m]
    DC
    STRAT
    1290.0
    [m]
    DC
    STRAT
    1300.0
    [m]
    DC
    STRAT
    1310.0
    [m]
    DC
    STRAT
    1320.0
    [m]
    DC
    STRAT
    1330.0
    [m]
    DC
    STRAT
    1340.0
    [m]
    DC
    STRAT
    1350.0
    [m]
    DC
    STRAT
    1360.0
    [m]
    DC
    STRAT
    1370.0
    [m]
    DC
    STRAT
    1380.0
    [m]
    DC
    STRAT
    1390.0
    [m]
    DC
    STRAT
    1400.0
    [m]
    DC
    STRAT
    1410.0
    [m]
    DC
    STRAT
    1420.0
    [m]
    DC
    STRAT
    1430.0
    [m]
    DC
    STRAT
    1440.0
    [m]
    DC
    STRAT
    1450.0
    [m]
    DC
    STRAT
    1460.0
    [m]
    DC
    STRAT
    1470.0
    [m]
    DC
    STRAT
    1480.0
    [m]
    DC
    STRAT
    1490.0
    [m]
    DC
    STRAT
    1500.0
    [m]
    DC
    STRAT
    1510.0
    [m]
    DC
    STRAT
    1520.0
    [m]
    DC
    STRAT
    1530.0
    [m]
    DC
    STRAT
    1540.0
    [m]
    DC
    STRAT
    1550.0
    [m]
    DC
    STRAT
    1560.0
    [m]
    DC
    STRAT
    1570.0
    [m]
    DC
    STRAT
    1580.0
    [m]
    DC
    STRAT
    1590.0
    [m]
    DC
    STRAT
    1600.0
    [m]
    DC
    STRAT
    1620.0
    [m]
    DC
    STRAT
    1630.0
    [m]
    DC
    STRAT
    1640.0
    [m]
    DC
    STRAT
    1650.0
    [m]
    DC
    STRAT
    1660.0
    [m]
    DC
    STRAT
    1670.0
    [m]
    DC
    STRAT
    1680.0
    [m]
    DC
    STRAT
    1690.0
    [m]
    DC
    STRAT
    1700.0
    [m]
    DC
    STRAT
    1710.0
    [m]
    DC
    STRAT
    1715.0
    [m]
    SWC
    STRAT
    1720.0
    [m]
    DC
    STRAT
    1730.0
    [m]
    DC
    STRAT
    1740.0
    [m]
    DC
    STRAT
    1750.0
    [m]
    DC
    STRAT
    1760.0
    [m]
    DC
    STRAT
    1770.0
    [m]
    DC
    STRAT
    1775.0
    [m]
    SWC
    STRAT
    1780.0
    [m]
    DC
    STRAT
    1790.0
    [m]
    DC
    STRAT
    1800.0
    [m]
    DC
    STRAT
    1810.0
    [m]
    DC
    STRAT
    1820.0
    [m]
    DC
    STRAT
    1830.0
    [m]
    DC
    STRAT
    1840.0
    [m]
    DC
    STRAT
    1850.0
    [m]
    DC
    STRAT
    1850.0
    [m]
    SWC
    STRAT
    1860.0
    [m]
    DC
    STRAT
    1870.0
    [m]
    DC
    STRAT
    1880.0
    [m]
    DC
    STRAT
    1890.0
    [m]
    DC
    STRAT
    1900.0
    [m]
    DC
    STRAT
    1910.0
    [m]
    DC
    STRAT
    1920.0
    [m]
    DC
    STRAT
    1935.0
    [m]
    SWC
    STRAT
    1940.0
    [m]
    DC
    STRAT
    1950.0
    [m]
    DC
    STRAT
    1960.0
    [m]
    DC
    STRAT
    1970.0
    [m]
    DC
    STRAT
    1980.0
    [m]
    DC
    STRAT
    1995.0
    [m]
    SWC
    STRAT
    2000.0
    [m]
    DC
    STRAT
    2010.0
    [m]
    DC
    STRAT
    2020.0
    [m]
    DC
    STRAT
    2030.0
    [m]
    DC
    STRAT
    2040.0
    [m]
    DC
    STRAT
    2050.0
    [m]
    DC
    STRAT
    2060.0
    [m]
    DC
    STRAT
    2070.0
    [m]
    SWC
    STRAT
    2080.0
    [m]
    DC
    STRAT
    2090.0
    [m]
    DC
    STRAT
    2100.0
    [m]
    DC
    STRAT
    2110.0
    [m]
    DC
    STRAT
    2120.0
    [m]
    DC
    STRAT
    2135.0
    [m]
    SWC
    STRAT
    2140.0
    [m]
    DC
    STRAT
    2160.0
    [m]
    DC
    STRAT
    2170.0
    [m]
    DC
    STRAT
    2180.0
    [m]
    DC
    STRAT
    2190.0
    [m]
    DC
    STRAT
    2200.0
    [m]
    DC
    STRAT
    2210.0
    [m]
    DC
    STRAT
    2220.0
    [m]
    DC
    STRAT
    2230.0
    [m]
    DC
    STRAT
    2240.0
    [m]
    DC
    STRAT
    2250.0
    [m]
    DC
    STRAT
    2260.0
    [m]
    DC
    STRAT
    2270.0
    [m]
    DC
    STRAT
    2280.0
    [m]
    DC
    STRAT
    2290.0
    [m]
    DC
    STRAT
    2300.0
    [m]
    DC
    STRAT
    2310.0
    [m]
    DC
    STRAT
    2320.0
    [m]
    DC
    STRAT
    2330.0
    [m]
    DC
    STRAT
    2340.0
    [m]
    DC
    STRAT
    2350.0
    [m]
    DC
    STRAT
    2360.0
    [m]
    DC
    STRAT
    2370.0
    [m]
    DC
    STRAT
    2380.0
    [m]
    DC
    STRAT
    2390.0
    [m]
    DC
    STRAT
    2400.0
    [m]
    DC
    STRAT
    2420.0
    [m]
    DC
    STRAT
    2430.0
    [m]
    DC
    STRAT
    2440.0
    [m]
    DC
    STRAT
    2453.0
    [m]
    SWC
    STRAT
    2460.0
    [m]
    DC
    STRAT
    2470.0
    [m]
    DC
    STRAT
    2480.0
    [m]
    DC
    STRAT
    2490.0
    [m]
    DC
    STRAT
    2500.0
    [m]
    DC
    STRAT
    2510.0
    [m]
    DC
    STRAT
    2520.0
    [m]
    DC
    STRAT
    2530.0
    [m]
    DC
    STRAT
    2540.0
    [m]
    DC
    STRAT
    2550.0
    [m]
    DC
    STRAT
    2560.0
    [m]
    DC
    STRAT
    2570.0
    [m]
    DC
    STRAT
    2580.0
    [m]
    DC
    STRAT
    2590.0
    [m]
    DC
    STRAT
    2600.0
    [m]
    DC
    STRAT
    2610.0
    [m]
    DC
    STRAT
    2620.0
    [m]
    DC
    STRAT
    2630.0
    [m]
    DC
    STRAT
    2640.0
    [m]
    DC
    STRAT
    2650.0
    [m]
    DC
    STRAT
    2660.0
    [m]
    DC
    STRAT
    2670.0
    [m]
    DC
    STRAT
    2680.0
    [m]
    DC
    STRAT
    2690.0
    [m]
    DC
    STRAT
    2700.0
    [m]
    DC
    STRAT
    2710.0
    [m]
    DC
    STRAT
    2720.0
    [m]
    DC
    STRAT
    2730.0
    [m]
    DC
    STRAT
    2740.0
    [m]
    DC
    STRAT
    2750.0
    [m]
    DC
    STRAT
    2757.0
    [m]
    SWC
    STRAT
    2770.0
    [m]
    DC
    STRAT
    2780.0
    [m]
    DC
    STRAT
    2790.0
    [m]
    DC
    STRAT
    2800.0
    [m]
    DC
    STRAT
    2810.0
    [m]
    DC
    STRAT
    2820.0
    [m]
    DC
    STRAT
    2830.0
    [m]
    DC
    STRAT
    2840.0
    [m]
    DC
    STRAT
    2850.0
    [m]
    DC
    STRAT
    2860.0
    [m]
    DC
    STRAT
    2880.0
    [m]
    SWC
    STRAT
    2890.0
    [m]
    DC
    STRAT
    2950.0
    [m]
    DC
    STRAT
    2960.0
    [m]
    DC
    STRAT
    2970.0
    [m]
    DC
    STRAT
    2980.0
    [m]
    DC
    STRAT
    2990.0
    [m]
    DC
    STRAT
    3010.0
    [m]
    DC
    STRAT
    3020.0
    [m]
    DC
    STRAT
    3030.0
    [m]
    DC
    STRAT
    3040.0
    [m]
    DC
    STRAT
    3050.0
    [m]
    DC
    STRAT
    3060.0
    [m]
    DC
    STRAT
    3070.0
    [m]
    DC
    STRAT
    3080.0
    [m]
    DC
    STRAT
    3090.0
    [m]
    DC
    STRAT
    3110.0
    [m]
    DC
    STRAT
    3120.0
    [m]
    DC
    STRAT
    3130.0
    [m]
    DC
    STRAT
    3145.0
    [m]
    SWC
    STRAT
    3150.0
    [m]
    DC
    STRAT
    3160.0
    [m]
    DC
    STRAT
    3170.0
    [m]
    DC
    STRAT
    3180.0
    [m]
    DC
    STRAT
    3195.0
    [m]
    SWC
    STRAT
    3200.0
    [m]
    DC
    STRAT
    3220.0
    [m]
    DC
    STRAT
    3230.0
    [m]
    DC
    STRAT
    3240.0
    [m]
    DC
    STRAT
    3260.0
    [m]
    DC
    STRAT
    3270.0
    [m]
    DC
    STRAT
    3280.0
    [m]
    DC
    STRAT
    3300.0
    [m]
    DC
    STRAT
    3321.0
    [m]
    DC
    STRAT
    3330.0
    [m]
    DC
    STRAT
    3339.0
    [m]
    DC
    STRAT
    3342.0
    [m]
    DC
    STRAT
    3360.0
    [m]
    DC
    STRAT
    3369.0
    [m]
    DC
    STRAT
    3381.0
    [m]
    DC
    STRAT
    3408.0
    [m]
    DC
    STRAT
    3417.0
    [m]
    DC
    STRAT
    3426.0
    [m]
    DC
    STRAT
    3435.0
    [m]
    DC
    STRAT
    3444.0
    [m]
    DC
    STRAT
    3453.0
    [m]
    DC
    STRAT
    3462.0
    [m]
    DC
    STRAT
    3471.0
    [m]
    DC
    STRAT
    3480.0
    [m]
    DC
    STRAT
    3489.0
    [m]
    DC
    STRAT
    3498.0
    [m]
    DC
    STRAT
    3507.0
    [m]
    DC
    STRAT
    3516.0
    [m]
    DC
    STRAT
    3525.0
    [m]
    DC
    STRAT
    3534.0
    [m]
    DC
    STRAT
    3543.0
    [m]
    DC
    STRAT
    3552.0
    [m]
    DC
    STRAT
    3561.0
    [m]
    DC
    STRAT
    3570.0
    [m]
    DC
    STRAT
    3579.0
    [m]
    DC
    STRAT
    3588.0
    [m]
    DC
    STRAT
    3597.0
    [m]
    DC
    STRAT
    3735.0
    [m]
    C
    STRAT
    3746.0
    [m]
    C
    STRAT
    3756.0
    [m]
    DC
    STRAT
    3765.0
    [m]
    DC
    STRAT
    3774.0
    [m]
    DC
    STRAT
    3783.0
    [m]
    DC
    STRAT
    3792.0
    [m]
    DC
    STRAT
    3801.0
    [m]
    DC
    STRAT
    3810.0
    [m]
    DC
    STRAT
    3819.0
    [m]
    DC
    STRAT
    3828.0
    [m]
    DC
    STRAT
    3837.0
    [m]
    DC
    STRAT
    3846.0
    [m]
    DC
    STRAT
    3855.0
    [m]
    DC
    STRAT
    3864.0
    [m]
    DC
    STRAT
    3873.0
    [m]
    DC
    STRAT
    3882.0
    [m]
    DC
    STRAT
    3891.0
    [m]
    DC
    STRAT
    3900.0
    [m]
    DC
    STRAT
    3909.0
    [m]
    DC
    STRAT
    3918.0
    [m]
    DC
    STRAT
    3927.0
    [m]
    DC
    STRAT
    3936.0
    [m]
    DC
    STRAT
    3945.0
    [m]
    DC
    STRAT
    3954.0
    [m]
    DC
    STRAT
    3963.0
    [m]
    DC
    STRAT
    3972.0
    [m]
    DC
    STRAT
    3981.0
    [m]
    DC
    STRAT
    3990.0
    [m]
    DC
    STRAT
    3999.0
    [m]
    DC
    STRAT
    4008.0
    [m]
    DC
    STRAT
    4017.0
    [m]
    DC
    STRAT
    4026.0
    [m]
    DC
    STRAT
    4035.0
    [m]
    DC
    STRAT
    4044.0
    [m]
    DC
    STRAT
    4053.0
    [m]
    DC
    STRAT
    4062.0
    [m]
    DC
    STRAT
    4071.0
    [m]
    DC
    STRAT
    4080.0
    [m]
    DC
    STRAT
    4089.0
    [m]
    DC
    STRAT
    4098.0
    [m]
    DC
    STRAT
    4107.0
    [m]
    DC
    STRAT
    4116.0
    [m]
    DC
    STRAT
    4125.0
    [m]
    DC
    STRAT
    4128.0
    [m]
    DC
    OD
    4134.0
    [m]
    DC
    STRAT
    4143.0
    [m]
    DC
    STRAT
    4152.0
    [m]
    DC
    STRAT
    4161.0
    [m]
    DC
    STRAT
    4170.0
    [m]
    DC
    STRAT
    4179.0
    [m]
    DC
    STRAT
    4179.0
    [m]
    DC
    OD
    4184.0
    [m]
    DC
    STRAT
    4185.0
    [m]
    DC
    OD
  • Lithostratigraphy

  • Composite logs

    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.54
  • Geochemical information

    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    3.60
  • 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
    2.56
    pdf
    15.41
  • Drill stem tests (DST)

    Drill stem tests (DST)
    Test number
    From depth MD
    [m]
    To depth MD
    [m]
    Choke size
    [mm]
    1.0
    4027
    4060
    6.4
    2.0
    3709
    3723
    31.8
    3.0
    3692
    3723
    16.7
    Drill stem tests (DST)
    Test number
    Final shut-in pressure
    [MPa]
    Final flow pressure
    [MPa]
    Bottom hole pressure
    [MPa]
    Downhole temperature
    [°C]
    1.0
    1.000
    51.000
    141
    2.0
    2.000
    35.000
    134
    3.0
    2.300
    37.000
    139
    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
    19
    3.0
  • Logs

    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    CDL CNL GR
    3269
    4183
    CDL CNL GR
    3408
    3923
    CDL CNL GR
    3550
    4125
    COREGUN
    495
    1203
    COREGUN
    1560
    2161
    COREGUN
    2453
    3355
    DIFL ACL CDL GR
    448
    1208
    DIFL ACL CDL GR
    1202
    2164
    DIFL ACL CDL GR
    2148
    3394
    DIFL ACL GR
    3269
    4183
    DIPLOG
    3266
    4173
    DLL MLL GR
    3562
    3923
    FMT
    3599
    3909
    FMT
    3650
    3978
    MWD RWD - GR RES DIR
    341
    4185
    VSP
    472
    4160
  • 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
    449.0
    36
    454.0
    0.00
    LOT
    INTERM.
    20
    1202.0
    26
    1218.0
    0.00
    LOT
    INTERM.
    13 3/8
    2151.0
    17 1/2
    2165.0
    1.72
    LOT
    INTERM.
    9 5/8
    3275.0
    12 1/4
    3395.0
    1.92
    LOT
    OPEN HOLE
    4185.0
    8 1/2
    4185.0
    1.98
    LOT
  • Drilling mud

    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    934
    1.13
    5.0
    20.0
    WATER BASED
    22.10.1990
    1215
    1.15
    5.0
    19.0
    WATER BASED
    24.10.1990
    1215
    1.16
    6.0
    21.0
    WATER BASED
    25.10.1990
    1215
    1.18
    6.0
    22.0
    WATER BASED
    26.10.1990
    1215
    1.15
    5.0
    20.0
    WATER BASED
    24.10.1990
    1218
    1.18
    7.0
    25.0
    WATER BASED
    29.10.1990
    1218
    1.18
    7.0
    25.0
    WATER BASED
    29.10.1990
    1235
    1.30
    23.0
    34.0
    WATER BASED
    29.10.1990
    1920
    1.52
    28.0
    40.0
    WATER BASED
    31.10.1990
    2125
    1.59
    37.0
    23.0
    WATER BASED
    01.11.1990
    2165
    1.61
    36.0
    13.0
    WATER BASED
    05.11.1990
    2165
    1.61
    35.0
    15.0
    WATER BASED
    05.11.1990
    2165
    1.61
    34.0
    18.0
    WATER BASED
    05.11.1990
    2165
    1.61
    35.0
    15.0
    WATER BASED
    06.11.1990
    2297
    1.66
    30.0
    13.0
    WATER BASED
    08.11.1990
    2450
    1.71
    37.0
    21.0
    WATER BASED
    09.11.1990
    2636
    1.71
    30.0
    21.0
    WATER BASED
    13.11.1990
    2721
    1.71
    31.0
    15.0
    WATER BASED
    13.11.1990
    2827
    1.71
    31.0
    17.0
    WATER BASED
    13.11.1990
    2898
    1.71
    35.0
    20.0
    WATER BASED
    14.11.1990
    2992
    1.71
    37.0
    19.0
    WATER BASED
    15.11.1990
    3104
    1.71
    33.0
    23.0
    WATER BASED
    15.11.1990
    3159
    1.71
    34.0
    22.0
    WATER BASED
    16.11.1990
    3195
    1.71
    32.0
    20.0
    WATER BASED
    20.11.1990
    3244
    1.71
    28.0
    17.0
    WATER BASED
    20.11.1990
    3244
    1.71
    28.0
    17.0
    WATER BASED
    20.11.1990
    3295
    1.71
    29.0
    21.0
    WATER BASED
    20.11.1990
    3319
    1.72
    30.0
    11.0
    WATER BASED
    10.12.1990
    3319
    1.72
    30.0
    11.0
    WATER BASED
    10.12.1990
    3319
    1.72
    26.0
    10.0
    WATER BASED
    10.12.1990
    3319
    1.72
    30.0
    10.0
    WATER BASED
    10.12.1990
    3319
    1.72
    28.0
    21.0
    WATER BASED
    12.12.1990
    3319
    1.72
    32.0
    18.0
    WATER BASED
    13.12.1990
    3320
    1.72
    30.0
    15.0
    WATER BASED
    14.12.1990
    3324
    1.72
    30.0
    18.0
    WATER BASED
    14.12.1990
    3324
    1.72
    32.0
    12.0
    WATER BASED
    18.12.1990
    3324
    1.72
    30.0
    18.0
    WATER BASED
    18.12.1990
    3348
    1.71
    38.0
    25.0
    WATER BASED
    22.11.1990
    3389
    1.71
    32.0
    19.0
    WATER BASED
    22.11.1990
    3390
    1.72
    27.0
    12.0
    WATER BASED
    18.12.1990
    3395
    1.71
    34.0
    19.0
    WATER BASED
    26.11.1990
    3395
    1.71
    33.0
    22.0
    WATER BASED
    26.11.1990
    3395
    1.71
    31.0
    18.0
    WATER BASED
    27.11.1990
    3395
    1.71
    30.0
    18.0
    WATER BASED
    28.11.1990
    3395
    1.72
    36.0
    21.0
    WATER BASED
    30.11.1990
    3395
    1.72
    35.0
    13.0
    WATER BASED
    05.12.1990
    3395
    1.72
    36.0
    16.0
    WATER BASED
    05.12.1990
    3395
    1.72
    34.0
    17.0
    WATER BASED
    05.12.1990
    3395
    1.72
    35.0
    19.0
    WATER BASED
    05.12.1990
    3395
    1.72
    34.0
    17.0
    WATER BASED
    10.12.1990
    3395
    1.71
    33.0
    21.0
    WATER BASED
    23.11.1990
    3395
    1.71
    35.0
    19.0
    WATER BASED
    26.11.1990
    3395
    1.72
    35.0
    12.0
    WATER BASED
    05.12.1990
    3405
    1.72
    25.0
    12.0
    WATER BASED
    19.12.1990
    3455
    1.72
    26.0
    10.0
    WATER BASED
    19.12.1990
    3488
    1.72
    29.0
    15.0
    WATER BASED
    21.12.1990
    3532
    1.72
    30.0
    14.0
    WATER BASED
    21.12.1990
    3532
    1.72
    31.0
    16.0
    WATER BASED
    02.01.1991
    3532
    1.72
    32.0
    16.0
    WATER BASED
    02.01.1991
    3532
    1.72
    34.0
    17.0
    WATER BASED
    02.01.1991
    3532
    1.72
    36.0
    18.0
    WATER BASED
    02.01.1991
    3532
    1.72
    33.0
    16.0
    WATER BASED
    07.01.1991
    3532
    1.72
    27.0
    12.0
    WATER BASED
    02.01.1991
    3532
    1.72
    34.0
    17.0
    WATER BASED
    04.01.1991
    3576
    1.72
    29.0
    12.0
    WATER BASED
    31.12.1990
    3600
    1.72
    34.0
    11.0
    WATER BASED
    07.01.1991
    3600
    1.76
    40.0
    12.0
    WATER BASED
    07.01.1991
    3600
    1.72
    34.0
    16.0
    WATER BASED
    07.01.1991
    3615
    1.72
    28.0
    11.0
    WATER BASED
    31.12.1990
    3625
    1.72
    29.0
    11.0
    WATER BASED
    31.12.1990
    3653
    1.72
    29.0
    10.0
    WATER BASED
    31.12.1990
    3665
    1.72
    29.0
    10.0
    WATER BASED
    31.12.1990
    3684
    1.72
    29.0
    11.0
    WATER BASED
    31.12.1990
    3713
    1.72
    28.0
    11.0
    WATER BASED
    31.12.1990
    3875
    1.81
    28.0
    17.0
    WATER BASED
    19.02.1991
    3875
    1.85
    22.0
    9.0
    WATER BASED
    19.02.1991
    3945
    1.78
    26.0
    10.0
    WATER BASED
    11.01.1991
    3945
    1.78
    28.0
    11.0
    WATER BASED
    11.01.1991
    3945
    1.78
    29.0
    14.0
    WATER BASED
    11.01.1991
    3975
    1.83
    22.0
    8.0
    WATER BASED
    08.02.1991
    3975
    1.83
    23.0
    8.0
    WATER BASED
    08.02.1991
    3975
    1.83
    22.0
    8.0
    WATER BASED
    08.02.1991
    3975
    1.83
    23.0
    8.0
    WATER BASED
    08.02.1991
    3975
    1.83
    21.0
    4.0
    WATER BASED
    11.02.1991
    3975
    1.83
    22.0
    9.0
    WATER BASED
    11.02.1991
    3975
    1.83
    22.0
    9.0
    WATER BASED
    11.02.1991
    3975
    1.83
    22.0
    8.0
    WATER BASED
    12.02.1991
    3975
    1.83
    22.0
    8.0
    WATER BASED
    14.02.1991
    3975
    1.84
    22.0
    10.0
    WATER BASED
    14.02.1991
    4091
    1.87
    36.0
    18.0
    WATER BASED
    15.01.1991
    4091
    1.81
    36.0
    18.0
    WATER BASED
    16.01.1991
    4185
    1.83
    32.0
    14.0
    WATER BASED
    17.01.1991
    4185
    1.83
    28.0
    10.0
    WATER BASED
    18.01.1991
    4185
    1.83
    26.0
    10.0
    WATER BASED
    18.01.1991
    4185
    1.83
    25.0
    8.0
    WATER BASED
    21.01.1991
    4185
    1.83
    28.0
    9.0
    WATER BASED
    21.01.1991
    4185
    1.83
    24.0
    10.0
    WATER BASED
    21.01.1991
    4185
    1.83
    26.0
    14.0
    WATER BASED
    24.01.1991
    4185
    1.83
    22.0
    8.0
    WATER BASED
    25.01.1991
    4185
    1.83
    26.0
    8.0
    WATER BASED
    28.01.1991
    4185
    1.83
    25.0
    8.0
    WATER BASED
    29.01.1991
    4185
    1.83
    28.0
    9.0
    WATER BASED
    29.01.1991
    4185
    1.83
    28.0
    9.0
    WATER BASED
    30.01.1991
    4185
    1.83
    23.0
    8.0
    WATER BASED
    01.02.1991
    4185
    1.83
    23.0
    8.0
    WATER BASED
    04.02.1991
    4185
    1.83
    22.0
    10.0
    WATER BASED
    04.02.1991
    4185
    1.83
    22.0
    10.0
    WATER BASED
    04.02.1991
    4185
    1.83
    23.0
    8.0
    WATER BASED
    06.02.1991
    4185
    1.83
    22.0
    10.0
    WATER BASED
    07.02.1991
    4185
    1.83
    33.0
    13.0
    WATER BASED
    16.01.1991
    4185
    1.83
    22.0
    8.0
    WATER BASED
    24.01.1991
    4185
    1.83
    26.0
    8.0
    WATER BASED
    29.01.1991
    4185
    1.83
    22.0
    9.0
    WATER BASED
    30.01.1991
    4185
    1.83
    22.0
    10.0
    WATER BASED
    04.02.1991
  • 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
    0.28