6204/10-2 A
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General information
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Wellbore history
GeneralThe main objectives for the sidetrack 6204/10-2A was to prove economic hydrocarbons and down-dip reservoir thickening of the thin gas filled sand penetrated in the well 6204/10-2 R. The well should penetrate a high amplitude seismic sequence interpreted to represent hydrocarbon filled sandstone.Operations and resultsThe 6204/10-2A well was drilled, with the semi-submersible rig "Deepsea Trym", back-to-back with the 6204/10-2 R well. It was sidetracked from 6204/10-2 R on 22 November 1997, with kick off point at 1170 m, and drilled as 8 1/2" hole to TD at 2290 m drillers depth. No special drilling/operational problems were experienced in this well. The well was drilled using a water based KCl mud system, however, standard geochemical analyses indicate unknown additives that may affect geochemical analyses. No gas sands were observed on the wire line logs, and no equivalent gas sand as observed on the original well was observed on this sidetrack. No fluid samples were collected. One core was cut in the 8 1/2" section at 2105 - 2121 m in Lower Cretaceous sandstones.
Well 6204/10-2A was permanently plugged and abandoned as a dry wellTestingNo 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]1180.002289.00 -
Cores at the Norwegian Offshore Directorate
Cores at the Norwegian Offshore Directorate Core sample numberCore sample - top depthCore sample - bottom depthCore sample depth - uom12105.02120.3[m ]Cores at the Norwegian Offshore Directorate Total core sample length [m]15.3Cores at the Norwegian Offshore Directorate Cores available for sampling?YES -
Core photos
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Palynological slides at the Norwegian Offshore Directorate
Palynological slides at the Norwegian Offshore Directorate Sample depthDepth unitSample typeLaboratory1180.0[m]DCRRI1210.0[m]DCRRI1240.0[m]DCRRI1270.0[m]DCRRI1300.0[m]DCRRI1330.0[m]DCRRI1360.0[m]DCRRI1390.0[m]DCRRI1420.0[m]DCRRI1450.0[m]DCRRI1480.0[m]DCRRI1510.0[m]DCRRI1540.0[m]DCRRI1570.0[m]DCRRI1600.0[m]DCRRI1630.0[m]DCRRI1660.0[m]DCRRI1700.0[m]DCRRI1720.0[m]DCRRI1750.0[m]DCRRI1800.0[m]DCRRI1840.0[m]DCRRI1860.0[m]DCRRI1870.0[m]DCRRI1880.0[m]DCRRI1890.0[m]DCRRI1900.0[m]DCRRI1920.0[m]DCRRI1930.0[m]DCRRI1941.0[m]DCRRI1953.0[m]DCRRI1962.0[m]DCRRI1968.0[m]DCRRI1977.0[m]DCRRI1992.0[m]DCRRI2001.0[m]DCRRI2010.0[m]DCRRI2019.0[m]DCRRI2031.0[m]DCRRI2043.0[m]DCRRI2052.0[m]DCRRI2058.0[m]DCRRI2070.0[m]DCRRI2082.0[m]DCRRI2091.0[m]DCRRI2130.0[m]DCRRI2139.0[m]DCRRI2154.0[m]DCRRI2160.0[m]DCRRI2172.0[m]DCRRI2181.0[m]DCRRI2187.0[m]DCRRI2202.0[m]DCRRI2211.0[m]DCRRI2220.0[m]DCRRI2229.0[m]DCRRI2241.0[m]DCRRI2250.0[m]DCRRI2259.0[m]DCRRI2271.0[m]DCRRI2280.0[m]DCRRI2289.0[m]DCRRI -
Lithostratigraphy
Lithostratigraphy Top depth [mMD RKB]Lithostrat. unit197631992103410981098114012081285128513312099214122332233 -
Composite logs
Composite logs Document nameDocument formatDocument size [MB]pdf0.23 -
Geochemical information
Geochemical information Document nameDocument formatDocument size [MB]pdf1.09 -
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]pdf18.70 -
Logs
Logs Log typeLog top depth [m]Log bottom depth [m]CDL CND CHT GR18422288DLL MLL MAC SLH CHT18502290FMT CHT GR20992205MWD DPR-IIA11702121 -
Drilling mud
Drilling mud Depth MD [m]Mud weight [g/cm3]Visc. [mPa.s]Yield point [Pa]Mud typeDate measured18281.3715.0KCL/PAC/PHPA21051.3720.0KCL/PAC/PHPA