6706/11-1
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General information
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Wellbore history
GeneralWell 6706/11-1 was drilled on the Ægir prospect on the Vema Dome in the north of the Vøring basin. The main objectives for the well were to test the hydrocarbon potential of the Ægir prospect and to obtain data to allow for efficient exploration of the remaining licence area.Operations and resultsThe original well was spudded and drilled to a total depth of 1988 m MD RT, with the 30" casing at 1340 m and 20" casing at 1685 m, respectively. This well was abandoned due to technical problems (no BOP test was obtained). The well was named 6706/11-1Z. The 1st respud was drilled to 1740 m MD RT. The 30" and the 20" casings were set at 1340 m and 1711 m, respectively. Technical problems were again the reason for abandoning this well. A bootstrap tool used to tighten the conductor and the 20" casings got stuck. The 1st re-spud was named 6706/11-1Y. The second and successful re-spud was named 6706/11-1. The well was drilled with seawater and hi-vis pills down to 1648 m and with Barasilc silicate mud from 1648 m to TD. In the section from 2255 m to 3476 m GEM GP (glycols) were added to the Barasilc mud. The Brygge Formation consisted mainly of ooze sediments with very low densities (bulk density of 1.4 g/cm3 was measured). Small fractures/ faults were interpreted in the intersection between Paleocene sandstone and the Springar Formation. It was assumed that the ooze lithology as well as unstable and fractured formation were the predomominant cause of the drilling problems that were encountered in the top section of the wellbores.The dominant part of the sediments proved to be of Cretaceous age. The well intersects a single fault just below the base Quaternary and several faults at base Tertiary level. Both the Nise Sandstone 1 and the Nise Sandstone 2 formations were developed. No significant amounts of hydrocarbons were encountered only small amounts of very dry gas in an MDT sample from 3740 m. Five cores were cut in the NISE Formation. The well was permanently plugged and abandoned as a dry hole.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]1660.004311.00 -
Cores at the Norwegian Offshore Directorate
Cores at the Norwegian Offshore Directorate Core sample numberCore sample - top depthCore sample - bottom depthCore sample depth - uom12297.02304.2[m ]22306.52323.0[m ]33107.53112.0[m ]43112.03136.7[m ]53744.03749.6[m ]Cores at the Norwegian Offshore Directorate Total core sample length [m]58.5Cores 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 typeCONDUCTOR301340.0361343.00.00LOTSURF.COND.201431.0261445.01.15LOTLINER161908.017 1/21911.01.26LOTLINER9 5/82246.014 3/42250.01.36LOTOPEN HOLE4317.08 1/24317.00.00LOT -
Logs
Logs Log typeLog top depth [m]Log bottom depth [m]CBL GR15501980CST GR22664142DIR12641343DPR PWD13411641DPR PWD18444317DSI LDT NGT19082220FMI GR22754231MDT GR22873193MDT GR31024215PEX HALS DSI NGT22433320PEX HALS DSI NGT32004229PEX HALS DSI NGT37004315PWD - GR RES DIR16601924RFT GR22882290 -
Lithostratigraphy
Lithostratigraphy Top depth [mMD RKB]Lithostrat. unit1264126414461446167017441744206022833005310134693865413841384221 -
Composite logs
Composite logs Document nameDocument formatDocument size [MB]pdf0.62 -
Geochemical information
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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]pdf3.51pdf46.50 -
Drilling mud
Drilling mud Depth MD [m]Mud weight [g/cm3]Visc. [mPa.s]Yield point [Pa]Mud typeDate measured12641.02spud mud13411.05spud mud16411.136.04.5barasilc19071.116.04.0barasilc19331.2022.09.5sea water22461.2627.512.0barasilc43171.2627.512.0barasilc -
Palynological slides at the Norwegian Offshore Directorate
Palynological slides at the Norwegian Offshore Directorate Sample depthDepth unitSample typeLaboratory1660.0[m]DCRRI1670.0[m]DCRRI1690.0[m]DCRRI1700.0[m]DCRRI1720.0[m]DCRRI1730.0[m]DCRRI1750.0[m]DCRRI1760.0[m]DCRRI1780.0[m]DCRRI1790.0[m]DCRRI1810.0[m]DCRRI1830.0[m]DCRRI1840.0[m]DCRRI1860.0[m]DCRRI1870.0[m]DCRRI1885.0[m]DCRRI1900.0[m]DCRRI1920.0[m]DCRRI1930.0[m]DCRRI1955.0[m]DCRRI1960.0[m]DCRRI1975.0[m]DCRRI1990.0[m]DCRRI2005.0[m]DCRRI2020.0[m]DCRRI2035.0[m]DCRRI2050.0[m]DCRRI2065.0[m]DCRRI2085.0[m]DCRRI2090.0[m]DCRRI2110.0[m]DCRRI2125.0[m]DCRRI2140.0[m]DCRRI2155.0[m]DCRRI2170.0[m]DCRRI2185.0[m]DCRRI2203.0[m]DCRRI2215.0[m]DCRRI2230.0[m]DCRRI2245.0[m]DCRRI2255.0[m]DCRRI2266.0[m]SWCOD2275.0[m]DCRRI2286.5[m]SWCOD2295.5[m]SWCOD2297.7[m]CRRI2299.0[m]CRRI2301.0[m]CRRI2303.0[m]CRRI2307.3[m]CRRI2317.5[m]CRRI2321.0[m]CRRI2336.0[m]DCRRI2352.0[m]DCRRI2366.0[m]DCRRI2378.0[m]DCRRI2396.0[m]DCRRI2408.0[m]DCRRI2426.0[m]DCRRI2442.5[m]SWCOD2450.0[m]DCRRI2501.0[m]DCRRI2522.0[m]DCRRI2534.0[m]DCRRI2539.5[m]SWCOD2546.0[m]DCRRI2555.0[m]DCRRI2576.0[m]DCRRI2588.0[m]DCRRI2602.5[m]SWCOD2623.0[m]SWCOD2636.0[m]DCRRI2654.0[m]SWCOD2661.0[m]SWCOD2684.0[m]DCRRI2692.0[m]SWCOD2696.0[m]DCRRI2715.5[m]SWCOD2722.3[m]SWCOD2741.5[m]SWCOD2749.1[m]SWCOD2756.0[m]DCRRI2768.0[m]DCRRI2790.0[m]SWCOD2801.0[m]DCRRI2815.5[m]SWCOD2828.0[m]DCRRI2843.0[m]DCRRI2876.0[m]DCRRI2894.0[m]DCRRI2900.0[m]SWCOD2917.0[m]SWCOD2933.0[m]DCRRI2943.0[m]SWCOD2948.0[m]DCRRI2966.0[m]DCRRI2981.0[m]DCRRI2996.0[m]DCRRI3006.0[m]SWCOD3026.0[m]DCRRI3038.0[m]DCRRI3050.0[m]SWCOD3071.0[m]DCRRI3088.0[m]SWCOD3092.0[m]DCRRI3102.0[m]SWCOD3108.4[m]CRRI3111.0[m]CRRI3114.0[m]CRRI3118.0[m]CRRI3121.5[m]CRRI3126.0[m]CRRI3128.0[m]CRRI3132.0[m]CRRI3136.3[m]CRRI3146.0[m]DCRRI3158.0[m]SWCOD3176.0[m]DCRRI3187.2[m]SWCOD3189.0[m]SWCOD3200.0[m]DCRRI3212.0[m]DCRRI3215.0[m]SWCOD3230.0[m]DCRRI3259.0[m]SWCOD3260.0[m]DCRRI3280.0[m]SWCOD3300.0[m]SWCOD3308.0[m]DCRRI3323.0[m]DCRRI3324.0[m]SWCOD3337.0[m]SWCOD3353.0[m]SWCOD3371.0[m]DCRRI3382.0[m]SWCOD3408.0[m]SWCOD3419.0[m]SWCOD3449.0[m]SWCOD3453.0[m]SWCOD3461.0[m]DCRRI3469.2[m]SWCOD3476.0[m]DCRRI3483.0[m]SWCOD3491.0[m]DCRRI3505.0[m]SWCOD3518.0[m]DCRRI3533.0[m]DCRRI3534.0[m]SWCOD3552.0[m]DCRRI3564.0[m]SWCOD3579.0[m]SWCOD3592.3[m]SWCOD3604.0[m]SWCOD3615.0[m]DCRRI3624.0[m]SWCOD3644.0[m]DCRRI3647.5[m]CRRI3656.0[m]CRRI3665.0[m]SWCOD3686.0[m]DCRRI3699.0[m]DCRRI3716.0[m]DCRRI3734.5[m]SWCOD3745.5[m]CRRI3749.0[m]CRRI3750.0[m]CRRI3751.5[m]SWCOD3760.0[m]DCRRI3770.0[m]DCRRI3791.0[m]DCRRI3794.0[m]SWCOD3806.0[m]DCRRI3821.0[m]DCRRI3833.0[m]DCRRI3854.0[m]SWCOD3863.0[m]DCRRI3874.0[m]SWCOD3881.0[m]DCRRI3898.0[m]DCRRI3909.0[m]SWCOD3923.0[m]DCRRI3949.5[m]SWCOD3960.0[m]DCRRI3979.0[m]SWCOD3990.0[m]SWCOD4009.0[m]SWCOD4026.0[m]CRRI4074.0[m]SWCOD4124.0[m]SWCOD4133.0[m]DCRRI4142.0[m]DCRRI4142.0[m]SWCOD4197.5[m]SWCOD4217.5[m]SWCOD4231.3[m]SWCOD4238.0[m]SWCOD4245.0[m]SWCOD4247.1[m]SWCOD4252.0[m]SWCOD4262.5[m]SWCOD4276.0[m]SWCOD4287.5[m]SWCOD4296.0[m]SWCOD4317.0[m]SWCOD