6204/10-1
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General information
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Wellbore history
GeneralThe objectives of well 6204/10-1 were to prove economic hydrocarbon reserves in the J-prospect (Turonian) and support play concept and possibly prove hydrocarbon reserves in the Jurassic lead. Further objectives were to achieve stratigraphic information and possibly prove reservoir sand and new play concepts in the Tertiary, Turonian and Cenomanian levels.Operations and resultsWell 6204/10-1 was spudded with the semi-submersible rig "Deepsea Bergen"on 28 October 1995 and drilled to 2709 m in basement rock within the planned budget. The 30", 13 3/8" and 9 5/8" casing strings were successfully set. No drilling problems were encountered. The well was drilled with seawater / bentonite hi-vis pills / ANCO 2000 to 490 m and with KCl polymer mud from 490 m to TD. Four cores were cut, one in Tertiary and three in Cretaceous. No fluid samples were taken.
The well proved the geological model of the J- prospect. Unexpected conglomeratic sandstones devoid of fossils, probably eroded basement, were encountered in the lower part of the well and the well was terminated before reaching the planned TD.
No hydrocarbons were encountered, and the well was plugged and abandoned 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]495.002709.00 -
Cores at the Norwegian Offshore Directorate
Cores at the Norwegian Offshore Directorate Core sample numberCore sample - top depthCore sample - bottom depthCore sample depth - uom1811.0827.6[m ]21890.01898.9[m ]31948.01955.0[m ]41974.01994.2[m ]Cores at the Norwegian Offshore Directorate Total core sample length [m]52.6Cores 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 typeCONDUCTOR30273.036275.00.00LOTINTERM.13 3/8478.017 1/2490.01.35LOTINTERM.9 5/81635.012 1/41649.01.57LOTOPEN HOLE2709.08 1/22709.00.00LOT -
Logs
Logs Log typeLog top depth [m]Log bottom depth [m]DIFL ACL ZDL CN CHT4781640DLL MAC ZDL CN SL16352709FMT GR18722661HEXDIP GR18502709RGD2722701SWC GR5271260SWC GR16592705VSP GR (ZO)6402700 -
Lithostratigraphy
Lithostratigraphy Top depth [mMD RKB]Lithostrat. unit2116366857107447448191113118312021202125018602050230523352465246525642670 -
Composite logs
Composite logs Document nameDocument formatDocument size [MB]pdf0.51 -
Geochemical information
Geochemical information Document nameDocument formatDocument size [MB]pdf0.51 -
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]pdf26.92 -
Drilling mud
Drilling mud Depth MD [m]Mud weight [g/cm3]Visc. [mPa.s]Yield point [Pa]Mud typeDate measured5151.2724.0KCL/PAC/XANVIS8091.1318.0KCL/PAC/XANVIS11751.1316.0KCL/PAC/XANVIS16491.2522.0KCL/PAC/XANVIS16611.2521.0KCL/PAC/XANVIS18901.2520.0KCL/PAC/XANVIS19071.2521.0KCL/PAC/XANVIS19551.2522.0KCL/PAC/XANVIS22421.3025.0KCL/PAC/XANVIS25791.2727.0KCL/PAC/XANVIS25861.2727.0KCL/PAC/XANVIS26151.2725.0KCL/PAC/XANVIS26541.2723.0KCL/PAC/XANVIS26991.2724.0KCL/PAC/XANVIS27091.2723.0KCL/PAC/XANVIS -
Palynological slides at the Norwegian Offshore Directorate
Palynological slides at the Norwegian Offshore Directorate Sample depthDepth unitSample typeLaboratory600.0[m]DCSTRAT625.0[m]DCSTRAT637.0[m]SWCWESTLAB640.0[m]DCSTRAT660.0[m]DCSTRAT670.0[m]DCSTRAT700.0[m]DCSTRAT715.0[m]SWCWESTL723.0[m]SWCWESTL740.0[m]DCSTRAT744.0[m]SWCWESTL750.0[m]DCSTRAT753.0[m]SWCWESTL774.0[m]SWCWESTL774.0[m]DCSTRATLAB792.0[m]SWCWESTLAB805.0[m]DCSTRATLAB811.0[m]CWESTLAB814.0[m]CWESTLA816.0[m]CWESTLA818.1[m]CWESTLA820.7[m]CWESTLA823.2[m]CWESTLA826.9[m]CWESTLA830.0[m]DCSTRATLAB850.0[m]DCSTRATL870.0[m]DCSTRATL890.0[m]DCSTRATL900.0[m]DCSTRATL915.0[m]DCSTRATL935.0[m]DCSTRATL950.0[m]DCSTRATL970.0[m]DCSTRATL980.0[m]DCSTRATL990.0[m]DCSTRATL1010.0[m]DCSTRATL1030.0[m]DCSTRATL1050.0[m]DCSTRATL1070.0[m]DCSTRATL1090.0[m]DCSTRATL1110.0[m]DCSTRATL1130.0[m]DCSTRATL1140.0[m]DCSTRATL1150.0[m]DCSTRATL1174.0[m]SWCWESTLAB1182.0[m]SWCWESTLA1190.0[m]DCSTRATLAB1210.0[m]DCSTRATL1220.0[m]DCSTRATL1250.0[m]DCSTRATL1260.0[m]SWCWESTLAB1280.0[m]DCSTRATLAB1280.0[m]DCSTRATL1300.0[m]DCSTRATL1320.0[m]DCSTRATL1340.0[m]DCSTRATL1360.0[m]DCSTRATL1370.0[m]DCSTRATL1390.0[m]DCSTRATL1400.0[m]DCSTRATL1420.0[m]DCSTRATL1440.0[m]DCSTRATL1460.0[m]DCSTRATL1480.0[m]DCSTRATL1500.0[m]DCSTRATL1520.0[m]DCSTRATL1530.0[m]DCSTRATL1540.0[m]DCSTRATL1560.0[m]DCSTRATL1570.0[m]DCSTRATL1580.0[m]DCSTRATL1600.0[m]DCSTRATL1620.0[m]DCSTRATL1640.0[m]DCSTRATL1650.0[m]DCSTRATL1659.0[m]SWCWESTLAB1680.0[m]DCSTRATLAB1700.0[m]SWCWESTLAB1720.0[m]DCSTRATLAB1750.0[m]SWCWESTLAB1760.0[m]DCSTRATLAB1775.0[m]SWCWESTLAB1780.0[m]DCSTRATLAB1805.0[m]SWCWESTLAB1820.0[m]SWCWESTLA1835.0[m]SWCWESTLA1845.0[m]SWCWESTLA1855.0[m]SWCWESTLA1857.0[m]DCSTRATLAB1866.0[m]DCSTRATL1867.0[m]SWCWESTLAB1898.5[m]CWESTLA1911.0[m]DCSTRATLAB1929.0[m]DCSTRATL1950.8[m]CWESTLAB1951.9[m]CWESTLA1954.4[m]CWESTLA1968.0[m]DCSTRATLAB1981.4[m]CWESTLAB1986.7[m]CWESTLA1991.4[m]CWESTLA2010.0[m]DCSTRATLAB2031.0[m]DCSTRATL2054.0[m]SWCWESTLAB2088.0[m]SWCWESTLA2123.0[m]SWCWESTLA2130.0[m]SWCWESTLA2142.0[m]DCSTRATL2160.0[m]SWCWESTLA2175.0[m]SWCWESTLA2190.0[m]DCSTRATLAB2209.0[m]SWCWESTLAB2229.0[m]SWCWESTLA2250.0[m]DCSTRATLAB2272.0[m]SWCWESTLAB2292.0[m]DCSTRATLAB2305.0[m]SWCWESTLAB2319.0[m]DCSTRATLAB2330.0[m]SWCWESTLAB2337.0[m]DCSTRATLAB2351.0[m]SWCWESTLAB2370.0[m]SWCWESTLA2388.0[m]DCSTRATLAB2409.0[m]DCSTRATL2430.0[m]DCSTRATL2460.0[m]SWCWESTLAB2495.0[m]SWCWESTLA2504.0[m]SWCWESTLA2520.0[m]SWCWESTLA2527.0[m]SWCWESTLA2537.0[m]SWCWESTLA2545.0[m]SWCWESTLA2550.0[m]SWCWESTLA2657.0[m]SWCWESTLA2679.0[m]DCSTRATLAB2709.0[m]DCSTRATL