2/3-3
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General information
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Wellbore history
GeneralWell 2/3-3 is located east of the Steinbit Terrace on the Sørvestlandet High. The main targets for the well were Danian limestones, Jurassic sands, and Oligocene sands.Operations and resultsWildcat well 2/3-3 was spudded with the Jack-up installation Ocean Tide on 8 October 1971 and drilled to TD at in Late Permian Zechstein salt. Operations went without major problems except for some delays due to bad weather (on 17 November with winds in excess of 40 m/s and seas up to 17 m). The well was drilled with Bentonite and salt gel down to 269 m and with Spersene mud with 2% - 6.5% diesel from 269 m to TD.The well drilled a thick Tertiary/Quaternary section, mainly represented by grey sandy clays of Pliocene and Pleistocene age and by brown clays and mudstones of Oligocene to Miocene age. The Paleocene and Early Eocene consisted of varicoloured clays. No potential reservoirs (sands, sandstones and limestones) were found in the Tertiary.A moderate thickness (235 m) of Chalk was penetrated. The top 41 m was of Danian age (Ekofisk Formation, the remainder was of Santonian-Maastrichtian age (Tor and Hod Formations). One hundred and forty seven meters of Early Cretaceous rested on Kimmeridgian shales. From the base of the Kimmeridgian downwards, the section was poorly fossiliferous and only tentatively dated. The only shows observed were elevated methane readings in sand stringers in the interval 400 m to 900 m and in shales below this depth. No liquid hydrocarbons were observed in any part of the well. No cores were cut and no fluid samples taken. The well was abandoned as dry on 20 November 1971.TestingNo drill stem test was performed -
Cuttings at the Norwegian Offshore Directorate
Cuttings at the Norwegian Offshore Directorate Cuttings available for sampling?NOCuttings at the Norwegian Offshore Directorate Cutting sample, top depth [m]Cutting samples, bottom depth [m]280.422966.92 -
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 typeCONDUCTOR30123.036123.00.00LOTINTERM.20264.026279.00.00LOTINTERM.13 3/81084.017 1/21098.00.00LOTOPEN HOLE2973.012 1/42973.00.00LOT -
Logs
Logs Log typeLog top depth [m]Log bottom depth [m]CST972973DIL LL10842972FDC GR CAL29132972GR912970GR SON CAL10842970HRDIP10842972 -
Lithostratigraphy
Lithostratigraphy Top depth [mMD RKB]Lithostrat. unit88106022672267228323402443244324842630267826782710282528252850287528752930 -
Composite logs
Composite logs Document nameDocument formatDocument size [MB]pdf0.32 -
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]pdf4.63pdf2.66pdf0.64pdf0.95 -
Documents – Norwegian Offshore Directorate papers
Documents – Norwegian Offshore Directorate papers Document nameDocument formatDocument size [MB]pdf19.10pdf46.58 -
Drilling mud
Drilling mud Depth MD [m]Mud weight [g/cm3]Visc. [mPa.s]Yield point [Pa]Mud typeDate measured2781.0440.0seawater10971.4365.0seawater19401.5055.0seawater26691.5758.0seawater -
Palynological slides at the Norwegian Offshore Directorate
Palynological slides at the Norwegian Offshore Directorate Sample depthDepth unitSample typeLaboratory4720.0[ft]DCRRI4750.0[ft]DCRRI4785.0[ft]DCRRI4800.0[ft]DCRRI4815.0[ft]DCRRI4830.0[ft]DCRRI4845.0[ft]DCRRI4860.0[ft]DCRRI4875.0[ft]DCRRI4890.0[ft]DCRRI4905.0[ft]DCRRI4920.0[ft]DCRRI4935.0[ft]DCRRI4950.0[ft]DCRRI4965.0[ft]DCRRI4980.0[ft]DCRRI4995.0[ft]DCRRI5010.0[ft]DCRRI5025.0[ft]DCRRI5040.0[ft]DCRRI5055.0[ft]DCRRI5070.0[ft]DCRRI5085.0[ft]DCRRI5115.0[ft]DCRRI5130.0[ft]DCRRI5145.0[ft]DCRRI5160.0[ft]DCRRI5175.0[ft]DCRRI5190.0[ft]DCRRI5205.0[ft]DCRRI5250.0[ft]DCRRI5295.0[ft]DCRRI5340.0[ft]DCRRI5385.0[ft]DCRRI5430.0[ft]DCRRI5475.0[ft]DCRRI5520.0[ft]DCRRI5550.0[ft]DCRRI5610.0[ft]DCRRI5655.0[ft]DCRRI5700.0[ft]DCRRI5740.0[ft]DCRRI5805.0[ft]DCRRI5850.0[ft]DCRRI5910.0[ft]DCRRI5955.0[ft]DCRRI6000.0[ft]DCRRI6060.0[ft]DCRRI6105.0[ft]DCRRI6150.0[ft]DCRRI6210.0[ft]DCRRI6255.0[ft]DCRRI6300.0[ft]DCRRI6360.0[ft]DCRRI6405.0[ft]DCRRI6465.0[ft]DCRRI6510.0[ft]DCRRI6540.0[ft]DCRRI6645.0[ft]DCRRI6700.0[ft]DCRRI6750.0[ft]DCRRI6810.0[ft]DCRRI6855.0[ft]DCRRI6900.0[ft]DCRRI6960.0[ft]DCRRI7000.0[ft]DCRRI7050.0[ft]DCRRI7110.0[ft]DCRRI7155.0[ft]DCRRI7200.0[ft]DCRRI7335.0[ft]DCRRI7350.0[ft]DCRRI7410.0[ft]DCRRI7455.0[ft]DCRRI7485.0[ft]DCRRI7500.0[ft]DCRRI7560.0[ft]DCRRI7605.0[ft]DCRRI7635.0[ft]DCRRI7650.0[ft]DCRRI7680.0[ft]DCRRI7755.0[ft]DCRRI7770.0[ft]DCRRI7800.0[ft]DCRRI7830.0[ft]DCRRI7860.0[ft]DCRRI7905.0[ft]DCRRI7950.0[ft]DCRRI8025.0[ft]DCRRI8055.0[ft]DCRRI8115.0[ft]DCRRI9270.0[ft]DCSNEA9315.0[ft]DCSNEA9390.0[ft]DCSNEA9405.0[ft]DCSNEA9480.0[ft]DCSNEA9510.0[ft]DCSNEA9600.0[ft]DCSNEA9645.0[ft]DCSNEA