15/3-6
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General information
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Wellbore history
GeneralWell 15/3-6 was drilled to test the Paleocene Balder and Hermod sandstones of the Pinnsvin prospect, and had a licence requirement to penetrate Cretaceous age formations. The well was drilled within licence PL 187 (Amoco Norway, Statoil, Norsk Hydro). License PL 025 farmed into the well (Statoil, Elf, Total, Hydro) for 20% of well costs.Operations and resultsWildcat well 15/3-6 was spudded 15. December 1998 with the semi-submersible installation Mærsk Jutlander, and drilled to TD at 2793 m in the Late Cretaceous Shetland Group. The well was drilled with seawater and hi-vis pills down to 1018 m and oil based mud (Versavert) from 944 m to TD.The Intra Balder and Hermod sandstones were encountered as prognosed but the well was found to be completely water wet all through. A wire line fluid sample was taken at 2160 m in the Intra Balder Formation Sandstone. Two cores were cut in the interval 2140 m to 2176 m in the Balder Formation and Intra Balder Formation sandstones, and one was cut from 2278 m to 2297.7 m in the Hermod Formation Sandstone.The well was plugged and abandoned as a dry hole on 5 January 1999.TestingNo drill stem test was performed -
Cuttings at the Norwegian Offshore Directorate
Cuttings at the Norwegian Offshore Directorate Cuttings available for sampling?YESCuttings at the Norwegian Offshore Directorate Cutting sample, top depth [m]Cutting samples, bottom depth [m]1020.002793.00 -
Cores at the Norwegian Offshore Directorate
Cores at the Norwegian Offshore Directorate Core sample numberCore sample - top depthCore sample - bottom depthCore sample depth - uom12140.02158.1[m ]22158.12175.7[m ]32278.02297.7[m ]Cores at the Norwegian Offshore Directorate Total core sample length [m]55.4Cores at the Norwegian Offshore Directorate Cores available for sampling?YES -
Core photos
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Casing and leak–off tests
Casing and leak–off tests Casing typeCasing diam.
[inch]Casing depth
[m]Hole diam.
[inch]Hole depth
[m]LOT/FIT mud eqv.
[g/cm3]Formation test typeCONDUCTOR30212.036216.00.00LOTINTERM.13 3/81015.017 1/21015.00.00LOTOPEN HOLE1018.012 1/41018.02.01LOTOPEN HOLE2793.08 1/22793.00.00LOT -
Logs
Logs Log typeLog top depth [m]Log bottom depth [m]CST15602767MDT12462560MWD - CDR RES GR2172278MWD - CDR RES GR23042793PEX DSI AIT GR2601002 -
Lithostratigraphy
Lithostratigraphy Top depth [mMD RKB]Lithostrat. unit128700910102811401560185019782015211021102155219822072266234723792630271527252725 -
Composite logs
Composite logs Document nameDocument formatDocument size [MB]pdf0.41 -
Geochemical information
Geochemical information Document nameDocument formatDocument size [MB]pdf0.13 -
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 nameDocument formatDocument size [MB].pdf3.19.pdf50.59 -
Drilling mud
Drilling mud Depth MD [m]Mud weight [g/cm3]Visc. [mPa.s]Yield point [Pa]Mud typeDate measured1561.0812.0SPUD MUD2161.1030.0SPUD MUD6801.1031.0SPUD MUD8901.1032.0SPUD MUD10191.3118.0VERSAVERT20841.3121.0VERSAVERT21581.3121.0VERSAVERT22491.3122.0VERSA VERT27721.3126.0VERSA VERT27931.3126.0VERSA VERT -
Palynological slides at the Norwegian Offshore Directorate
Palynological slides at the Norwegian Offshore Directorate Sample depthDepth unitSample typeLaboratory1020.0[m]DCRRI1050.0[m]DCRRI1080.0[m]DCRRI1110.0[m]DCRRI1140.0[m]DCRRI1170.0[m]DCRRI1200.0[m]DCRRI1230.0[m]DCRRI1260.0[m]DCRRI1290.0[m]DCRRI1320.0[m]DCRRI1350.0[m]DCRRI1370.0[m]DCRRI1410.0[m]DCRRI1430.0[m]DCRRI1470.0[m]DCRRI1490.0[m]DCRRI1530.0[m]DCRRI1550.0[m]DCRRI1556.0[m]SWCRRI1590.0[m]DCRRI1610.0[m]DCRRI1650.0[m]DCRRI1670.0[m]DCRRI1710.0[m]DCRRI1730.0[m]DCRRI1770.0[m]DCRRI1810.0[m]DCRRI1830.0[m]DCRRI1850.0[m]DCRRI1860.0[m]SWCRRI1890.0[m]DCRRI1910.0[m]DCRRI1940.0[m]DCRRI1967.0[m]SWCRRI1970.0[m]DCRRI2010.0[m]DCRRI2035.0[m]SWCRRI2040.0[m]DCRRI2060.0[m]DCRRI2100.0[m]DCRRI2110.0[m]DCRRI2127.0[m]SWCRRI2130.0[m]DCRRI2140.0[m]CRRI2150.0[m]CRRI2170.0[m]CRRI2171.0[m]CRRI2176.0[m]CRRI2182.0[m]SWCRRI2191.0[m]DCRRI2206.0[m]DCRRI2212.0[m]SWCRRI2221.0[m]DCRRI2236.0[m]DCRRI2239.0[m]SWCRRI2251.0[m]DCRRI2254.0[m]SWCRRI2264.0[m]SWCRRI2266.0[m]DCRRI2267.0[m]SWCRRI2281.0[m]CRRI2287.0[m]CRRI2292.0[m]CRRI2297.0[m]CRRI2308.0[m]DCRRI2315.0[m]SWCRRI2326.0[m]DCRRI2336.0[m]SWCRRI2338.0[m]DCRRI2354.0[m]SWCRRI2356.0[m]DCRRI2368.0[m]DCRRI2383.0[m]DCRRI2391.0[m]SWCRRI2404.0[m]DCRRI2412.0[m]SWCRRI2419.0[m]DCRRI2428.0[m]DCRRI2434.0[m]SWCRRI2446.0[m]DCRRI2454.0[m]SWCRRI2458.0[m]DCRRI2476.0[m]DCRRI2496.0[m]DCRRI2503.0[m]DCRRI2521.0[m]DCRRI2523.0[m]SWCRRI2536.0[m]DCRRI2537.0[m]SWCRRI2548.0[m]DCRRI2549.0[m]SWCRRI2566.0[m]DCRRI2578.0[m]DCRRI2590.0[m]DCRRI2608.0[m]DCRRI2629.0[m]SWCRRI2632.0[m]DCRRI2641.0[m]DCRRI2644.0[m]SWCRRI2656.0[m]DCRRI2668.0[m]DCRRI2686.0[m]DCRRI2698.0[m]SWCRRI2704.0[m]DCRRI2716.0[m]DCRRI2728.0[m]DCRRI2746.0[m]DCRRI2753.0[m]SWCRRI2758.0[m]DCRRI2760.0[m]SWCRRI2764.0[m]DCRRI2767.0[m]SWCRRI2776.0[m]DCRRI2788.0[m]DCRRI2793.0[m]DCRRI