7125/4-3
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General information
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Wellbore history
GeneralWell 7125/4-3 was drilled on the Ensis prospect about four kilometres south of the 7125/4-1 oil and gas discovery on the Måsøy Fault Complex in the Barents Sea. The primary objective was to prove petroleum in Early Cretaceous reservoir rocks (intra-Knurr formation).Operations and resultsWildcat well 7125/4-3 was spudded with the semi-submersible installation Transocean Spitsbergen on 10 August 2014 and drilled to TD at 1033 m in the Hekkingen Formation. No significant problem was encountered in the operations. The well was drilled, logged, plugged and abandoned in a total of 18 days. It was drilled with seawater and hi-vis sweeps down to 593 m, with KCl/GEM/polymer mud from 593 m to 863 m, and with Low-sulphate KCl/GEM/polymer mud from 863 m to TD.The well was dry. Approximately 35 m of reservoir rocks of poor quality was penetrated in the Knurr Formation.No cores were cut. A dry case wireline logging program was conducted. No fluid samples were taken.The well was permanently abandoned on 7 September 2014 as a dry well.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]600.001033.00 -
Palynological slides at the Norwegian Offshore Directorate
Palynological slides at the Norwegian Offshore Directorate Sample depthDepth unitSample typeLaboratory600.0[m]DCROBERTSO610.0[m]DCROBERT620.0[m]DCROBERT640.0[m]DCROBERT650.0[m]DCROBERT660.0[m]DCROBERT670.0[m]DCROBERT680.0[m]DCROBERT690.0[m]DCROBERT700.0[m]DCROBERT710.0[m]DCROBERT720.0[m]DCROBERT730.0[m]DCROBERT740.0[m]DCROBERT750.0[m]DCROBERT760.0[m]DCROBERT770.0[m]DCROBERT780.0[m]DCROBERT790.0[m]DCROBERT800.0[m]DCROBERT810.0[m]DCROBERT820.0[m]DCROBERT830.0[m]DCROBERT840.0[m]DCROBERT850.0[m]DCROBERT860.0[m]DCROBERT866.0[m]DCROBERT869.0[m]DCROBERT872.0[m]DCROBERT875.0[m]DCROBERT878.0[m]DCROBERT893.0[m]DCROBERT896.0[m]DCROBERT899.0[m]DCROBERT902.0[m]DCROBERT905.0[m]DCROBERT908.0[m]DCROBERT911.0[m]DCROBERT914.0[m]DCROBERT917.0[m]DCROBERT920.0[m]DCROBERT923.0[m]DCROBERT926.0[m]DCROBERT929.0[m]DCROBERT932.0[m]DCROBERT935.0[m]DCROBERT938.0[m]DCROBERT941.0[m]DCROBERT944.0[m]DCROBERT947.0[m]DCROBERT950.0[m]DCROBERT953.0[m]DCROBERT956.0[m]DCROBERT959.0[m]DCROBERT962.0[m]DCROBERT968.0[m]DCROBERT974.0[m]DCROBERT977.0[m]DCROBERT983.0[m]DCROBERT986.0[m]DCROBERT989.0[m]DCROBERT992.0[m]DCROBERT995.0[m]DCROBERT998.0[m]DCROBERT1001.0[m]DCROBERT1004.0[m]DCROBERT1007.0[m]DCROBERT1010.0[m]DCROBERT1013.0[m]DCROBERT1016.0[m]DCROBERT1019.0[m]DCROBERT1022.0[m]DCROBERT1025.0[m]DCROBERT1028.0[m]DCROBERT1031.0[m]DCROBERT -
Lithostratigraphy
Lithostratigraphy Top depth [mMD RKB]Lithostrat. unit334334522522557557880983 -
Logs
Logs Log typeLog top depth [m]Log bottom depth [m]MWD LWD - DIR334387MWD LWD - GR RES387590MWD LWD - GR RES DIR APWD ARC AD512854MWD LWD - GR RES DIR APWD GVR8581038PEX HRLA MSIP6801036 -
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 typeCONDUCTOR30384.036387.00.00SURF.COND.13 3/8578.017 1/2593.01.32FITLINER9 5/8859.012 1/4863.01.47FITOPEN HOLE1033.08 1/21033.00.00 -
Drilling mud
Drilling mud Depth MD [m]Mud weight [g/cm3]Visc. [mPa.s]Yield point [Pa]Mud typeDate measured3831.2123.0Low Sulphate/KCl/Polymer/Glycol6601.1413.0KCl/Polymer/GEM8601.1618.0KCl/Polymer/GEM8701.2521.0Low Sulphate/KCl/Polymer/Glycol10011.2321.0Low Sulphate/KCl/Polymer/Glycol10301.2122.0Low Sulphate/KCl/Polymer/Glycol