Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
Factpages Norwegian Offshore Directorate
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11.11.2024 - 01:26
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25/5-2

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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.
    25/5-2
    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).
    APPRAISAL
    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.
    NORTH 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.
    25/5-2
    Seismic location
    Position of spud location on seismic survey lines. SP: shotpoint.
    EL 8801-3D rad 204 & rekke 1008
    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.
    Elf Petroleum 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.
    606-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.
    78
    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,
    18.04.1989
    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.
    04.07.1989
    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.
    04.07.1991
    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.
    17.12.2003
    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.
    NO
    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.
    HUGIN 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.
    MIDDLE 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.
    SLEIPNER FM
    Kelly bushing elevation [m]
    Elevation of the rotary kelly bushing (RKB) above mean sea level.
    22.0
    Water depth [m]
    Depth in metres betweem mean sea level and sea floor.
    117.0
    Total depth (MD) [m RKB]
    Total measured length of wellbore from kelly bushing to total depth (driller's depth).
    3304.0
    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).
    3302.0
    Maximum inclination [°]
    Maximum deviation, in degrees, from a vertical well path.Shown only for released wells.
    5
    Bottom hole temperature [°C]
    Estimated temperature at final total depth of the wellbore. Shown only for released wells. See discription.
    109
    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.
    DRAKE FM
    Geodetic datum
    Reference system for coordinates. Example of legal values: ED50.
    ED50
    NS degrees
    Geographic coordinate of the wellhead, north-south degrees.
    59° 42' 13.28'' N
    EW degrees
    Geographic coordinate of the wellhead, east-west degrees.
    2° 32' 8.58'' E
    NS UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, north-south.
    6618657.96
    EW UTM [m]
    Universal Transverse Mercator coordinate of the wellhead, east-west.
    473870.96
    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.
    1346

  • Wellbore history
    General
    Well 25/5-2 was designed to drill the Frøy structure, which is a NNE-SSW tilted Jurassic fault block located in the northeastern corner of block 25/5. The main objectives of the well were to prove the Southward continuity and extension of the Middle Jurassic reservoir, to determine the OWC in the Frøy Field, to test the productivity in the oil zone, and to test the injectivity in the water zone. The northern extension of the Frøy structure was drilled in 1977 by well 25/2-6 in a down dip position and proved limited oil shows in the Statfjord Formation. Wells 25/5-1 and 25/5-1 A were drilled in 1987 in the central part of the structure, and found oil in the Vestland Group sandstones.
    Operations and results
    Wildcat well 25/5-2 was spudded with the semi-submersible rig West Vanguard on 18 April 1989 and completed 4 July 1989 at a depth of 3304 m in the Early Jurassic Drake Formation. Drilling went without problems to 2300 m where the bit became stuck after a wiper trip, and the string was backed of at 2231 m. A technical sidetrack was started from 2103 m. The string entered into the old hole, and a second sidetrack was started from 2070 m. Below the 9 5/8" casing at 3066 m BSX mud, based on seawater with added NACl and polymers, was used. The MWD measurements showed no indication of shallow gas. The Vestland Group, Hugin Formation, came in at 3186 m, 67 m deeper than expected. Hydrocarbons were encountered at the top reservoir with the oil water contact at 3198 m (3176 m TVD MSL), which is 50 m deeper than the estimated OWC in well 25/5-1 A. Still, RFT Pressure measurements in the oil column indicate pressure communication with the oil column in well 25/5-1. A total of 4 cores were cut down to 3226 m. The well was plugged and abandoned as an oil appraisal well.
    Testing
    Two drill stem tests where performed. Test 1 was a production and injection test in the Middle Vestland Group water zone from 3222 m to 3228 m. In the first attempt, DST 1A, scaling precipitated and blocked the jet pump when seawater came in contact with formation water. In the second attempt, DST 1B, injection was achieved using treated seawater.  Test 2 was a production test at the oil/water contact in the interval 3196 m to 3201 m. This interval produced water and oil at maximum rates 56 m3/day and 202 Sm3/day, respectively. The oil was produced with a GOR of 168 Sm3/Sm3.

  • 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]
    220.00
    3304.00

  • 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
    3176.0
    3194.0
    [m ]
    2
    3194.0
    3196.7
    [m ]
    3
    3197.0
    3215.2
    [m ]
    4
    3215.2
    3226.5
    [m ]
    Cores at the Norwegian Offshore Directorate
    Total core sample length [m]
    50.2
    Cores at the Norwegian Offshore Directorate
    Cores available for sampling?
    YES

  • Core photos
    Core photos
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    3176-3194m
    Core photo at depth: 3716-3194m
    Core photo at depth: 3176-3194m
    Core photo at depth: 3194-3196m
    Core photo at depth: 3194-3196m
    Core photo at depth: 3194-3196m
    3716-3194m
    3176-3194m
    3194-3196m
    3194-3196m
    3194-3196m
    Core photo at depth: 3194-3196M
    Core photo at depth: 3194-3196M
    Core photo at depth: 3197-3215M
    Core photo at depth: 3197-3215M
    Core photo at depth: 3197-3215M
    3194-3196M
    3194-3196M
    3197-3215M
    3197-3215M
    3197-3215M
    Core photo at depth: 3197-3215M
    Core photo at depth: 3197-3215M
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    3197-3215M
    3197-3215M
    3197-3215m
    3197-3215m
    3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    3197-3215m
    Core photo at depth: 3197-3215m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    3197-3215m
    3215-3226m
    3215-3226m
    3215-3226m
    3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3225-3226m
    3215-3226m
    3215-3226m
    3215-3226m
    3215-3226m
    3225-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3225-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    3215-3226m
    3215-3226m
    3225-3226m
    3215-3226m
    3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    3215-3226m
    3215-3226m
    3215-3226m
    3215-3226m
    3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth: 3215-3226m
    Core photo at depth:  
    Core photo at depth:  
    Core photo at depth:  
    3215-3226m
    3215-3226m

  • Palynological slides at the Norwegian Offshore Directorate
    Palynological slides at the Norwegian Offshore Directorate
    Sample depth
    Depth unit
    Sample type
    Laboratory
    2160.0
    [m]
    DC
    PETROSTR
    2170.0
    [m]
    DC
    PETROS
    2180.0
    [m]
    DC
    PETROS
    2190.0
    [m]
    DC
    PETROS
    2200.0
    [m]
    DC
    PETROS
    2210.0
    [m]
    DC
    PETROS
    2220.0
    [m]
    DC
    PETROS
    2230.0
    [m]
    DC
    PETROS
    2240.0
    [m]
    DC
    PETROS
    2250.0
    [m]
    DC
    PETROS
    2260.0
    [m]
    DC
    PETROS
    2270.0
    [m]
    DC
    PETROS
    2280.0
    [m]
    DC
    PETROS
    2290.0
    [m]
    DC
    PETROS
    2300.0
    [m]
    DC
    PETROS
    2310.0
    [m]
    DC
    PETROS
    2320.0
    [m]
    DC
    PETROS
    2330.0
    [m]
    DC
    PETROS
    2340.0
    [m]
    DC
    PETROS
    2350.0
    [m]
    DC
    PETROS
    2360.0
    [m]
    DC
    PETROS
    2370.0
    [m]
    DC
    PETROS
    2380.0
    [m]
    DC
    PETROS
    2390.0
    [m]
    DC
    PETROS
    2400.0
    [m]
    DC
    PETROS
    2410.0
    [m]
    DC
    PETROS
    2420.0
    [m]
    DC
    PETROS
    2430.0
    [m]
    DC
    PETROS
    2440.0
    [m]
    DC
    PETROS
    2450.0
    [m]
    DC
    PETROS
    2460.0
    [m]
    DC
    PETROS
    2470.0
    [m]
    DC
    PETROS
    2480.0
    [m]
    DC
    PETROS
    2490.0
    [m]
    DC
    PETROS
    2500.0
    [m]
    DC
    PETROS
    2510.0
    [m]
    DC
    PETROS
    2520.0
    [m]
    DC
    PETROS
    2530.0
    [m]
    DC
    PETROS
    2540.0
    [m]
    DC
    PETROS
    2550.0
    [m]
    DC
    PETROS
    2560.0
    [m]
    DC
    PETROS
    2570.0
    [m]
    DC
    PETROS
    2580.0
    [m]
    DC
    PETROS
    2590.0
    [m]
    DC
    PETROS
    2600.0
    [m]
    DC
    PETROS
    2610.0
    [m]
    DC
    PETROS
    2620.0
    [m]
    DC
    PETROS
    3179.7
    [m]
    C
    APT
    3179.8
    [m]
    C
    OD
    3180.0
    [m]
    C
    APT
    3180.1
    [m]
    C
    APT
    3180.5
    [m]
    C
    OD
    3180.5
    [m]
    C
    APT
    3180.6
    [m]
    C
    APT
    3180.9
    [m]
    C
    APT
    3181.5
    [m]
    C
    APT
    3181.8
    [m]
    C
    APT
    3185.4
    [m]
    C
    APT
    3186.6
    [m]
    C
    OD
    3187.8
    [m]
    C
    APT
    3188.9
    [m]
    C
    APT
    3189.1
    [m]
    C
    APT
    3189.9
    [m]
    C
    APT
    3190.2
    [m]
    C
    APT
    3190.5
    [m]
    C
    OD
    3192.4
    [m]
    C
    APT
    3195.3
    [m]
    C
    APT
    3195.5
    [m]
    C
    OD
    3195.5
    [m]
    C
    APT
    3196.0
    [m]
    C
    APT
    3196.4
    [m]
    C
    APT
    3196.5
    [m]
    C
    APT
    3197.4
    [m]
    C
    OD
    3197.5
    [m]
    C
    APT
    3197.9
    [m]
    C
    APT
    3198.8
    [m]
    C
    APT
    3201.6
    [m]
    C
    APT
    3201.9
    [m]
    C
    OD
    3202.2
    [m]
    C
    APT
    3202.9
    [m]
    C
    OD
    3203.0
    [m]
    C
    APT
    3203.5
    [m]
    C
    APT
    3205.6
    [m]
    C
    APT
    3205.6
    [m]
    C
    OD
    3206.9
    [m]
    C
    APT
    3207.3
    [m]
    C
    OD
    3208.9
    [m]
    C
    APT
    3209.7
    [m]
    C
    APT
    3210.4
    [m]
    C
    APT
    3210.8
    [m]
    C
    APT
    3210.9
    [m]
    C
    OD
    3211.0
    [m]
    C
    APT
    3211.9
    [m]
    C
    APT
    3212.4
    [m]
    C
    APT
    3212.8
    [m]
    C
    OD
    3213.4
    [m]
    C
    APT
    3213.9
    [m]
    C
    OD
    3216.0
    [m]
    C
    APT
    3216.4
    [m]
    C
    OD
    3216.5
    [m]
    C
    APT
    3217.9
    [m]
    C
    APT
    3219.9
    [m]
    C
    OD
    3221.6
    [m]
    C
    APT
    3221.6
    [m]
    C
    APT
    3221.8
    [m]
    C
    APT
    3222.2
    [m]
    C
    APT
    3222.7
    [m]
    C
    OD
    3223.4
    [m]
    C
    APT
    3224.3
    [m]
    C
    APT
    3224.9
    [m]
    C
    APT
    3224.9
    [m]
    C
    OD
    3225.2
    [m]
    C
    APT
    3225.6
    [m]
    C
    APT
    3225.7
    [m]
    C
    APT
    3226.0
    [m]
    C
    APT
    3226.2
    [m]
    C
    APT
    3226.5
    [m]
    C
    APT
    3226.5
    [m]
    C
    OD

  • 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
    3196.00
    3201.00
    27.06.1989 - 00:00
    YES

  • Lithostratigraphy

  • Composite logs
    Composite logs
    Document name
    Document format
    Document size [MB]
    pdf
    0.43

  • Geochemical information
    Geochemical information
    Document name
    Document format
    Document size [MB]
    pdf
    1.12
    pdf
    0.95

  • 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
    16.35

  • Drill stem tests (DST)
    Drill stem tests (DST)
    Test number
    From depth MD
    [m]
    To depth MD
    [m]
    Choke size
    [mm]
    2.0
    3196
    3201
    9.5
    Drill stem tests (DST)
    Test number
    Final shut-in pressure
    [MPa]
    Final flow pressure
    [MPa]
    Bottom hole pressure
    [MPa]
    Downhole temperature
    [°C]
    2.0
    Drill stem tests (DST)
    Test number
    Oil
    [Sm3/day]
    Gas
    [Sm3/day]
    Oil density
    [g/cm3]
    Gas grav. rel.air
    GOR
    [m3/m3]
    2.0
    200
    35000
    0.821
    170

  • Logs
    Logs
    Log type
    Log top depth [m]
    Log bottom depth [m]
    AMS
    3066
    3306
    CBL VDL GR
    1690
    3262
    DIL GR SLS
    1186
    3057
    DIS GR SLS
    3066
    3306
    DLL MSFL GR SP
    3066
    3302
    EVA
    3065
    3307
    FMS GR
    3066
    3306
    HP RFT GR
    3188
    3226
    LDL CNL NGS
    3066
    3306
    LDL GR
    1186
    3047
    MWD
    139
    3304
    SHDT GR
    1186
    3058
    VSP
    1220
    3240

  • 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
    212.0
    36
    212.0
    0.00
    LOT
    INTERM.
    13 3/8
    1185.0
    17 1/2
    1200.0
    1.85
    LOT
    INTERM.
    9 5/8
    3062.0
    12 1/4
    3077.0
    1.81
    LOT
    LINER
    7
    3304.0
    8 1/2
    3304.0
    0.00
    LOT

  • Drilling mud
    Drilling mud
    Depth MD [m]
    Mud weight [g/cm3]
    Visc. [mPa.s]
    Yield point [Pa]
    Mud type
    Date measured
    212
    1.08
    WATER BASED
    21.04.1989
    888
    1.08
    WATER BASED
    24.04.1989
    1467
    1.09
    16.0
    10.2
    WATER BASED
    26.04.1989
    1741
    1.13
    15.0
    11.2
    WATER BASED
    27.04.1989
    2016
    1.25
    44.0
    17.6
    WATER BASED
    08.05.1989
    2044
    1.13
    18.0
    13.7
    WATER BASED
    28.04.1989
    2109
    1.13
    17.0
    12.7
    WATER BASED
    02.05.1989
    2120
    1.25
    31.0
    15.6
    WATER BASED
    05.05.1989
    2190
    1.26
    363.0
    10.7
    WATER BASED
    08.05.1989
    2232
    1.25
    34.0
    14.7
    WATER BASED
    05.05.1989
    2248
    1.27
    35.0
    12.2
    WATER BASED
    09.05.1989
    2329
    1.15
    21.0
    13.7
    WATER BASED
    02.05.1989
    2414
    1.27
    35.0
    15.1
    WATER BASED
    11.05.1989
    2508
    1.27
    33.0
    16.1
    WATER BASED
    12.05.1989
    2767
    1.26
    32.0
    14.7
    WATER BASED
    18.05.1989
    2781
    1.26
    35.0
    15.6
    WATER BASED
    19.05.1989
    2901
    1.27
    29.0
    13.7
    WATER BASED
    22.05.1989
    2952
    1.26
    31.0
    12.7
    WATER BASED
    22.05.1989
    3014
    1.26
    32.0
    14.7
    WATER BASED
    23.05.1989
    3077
    1.26
    33.0
    15.1
    WATER BASED
    24.05.1989
    3078
    1.11
    20.0
    15.1
    WATER BASED
    30.05.1989
    3115
    1.11
    17.0
    16.6
    WATER BASED
    30.05.1989
    3177
    1.12
    18.0
    17.6
    WATER BASED
    31.05.1989
    3197
    1.13
    20.0
    17.6
    WATER BASED
    01.06.1989
    3215
    1.13
    21.0
    17.6
    WATER BASED
    02.06.1989
    3241
    1.13
    181.0
    16.6
    WATER BASED
    05.06.1989
    3304
    1.13
    21.0
    18.6
    WATER BASED
    05.06.1989

  • 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
    0.22