30/9-11
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Generell informasjon
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Brønnhistorie
GeneralWell 30/9-11was drilled on the eastern segment of the J-structure on the Oseberg Sør field in the North Sea. Neighbouring wells 30/9-9 on the J-West and 30/9-5 S on the J-Central proved oil and gas, respectively. The primary objective of well 30/9-11 was to prove reservoir sands and oil within the Brent Group of the J-East segment and define oil/water contacts for the Tarbert/Ness and Oseberg-Rannoch-Etive reservoirs. The well was planned to be drilled 50 m into the Dunlin Formation to a total depth of approximately 2540 m.Operations and resultsWildcat well 30/9-11 was spudded with the semi-submersible installation Vildkat on 27 October 1990 and drilled to TD at 2570 m in the Early Jurassic Drake Formation. No significant problem was encountered in the operations. The well was drilled with spud mud down to 922 m and with KCl/polymer mud from 922 m to TD.Top Viking Group, Heather Formation was encountered at 2291 m. Top Brent Group, Tarbert Formation was encountered at 2384 m. The Brent Group was entirely water bearing. Poor, patchy shows on thin sandstone lamina in the Heather Formation were the only indications of hydrocarbons in the well.Four cores were cut with good recovery. Core 1 was cut from 2382 m to 2403 m in the Tarbert and Ness formations, cores 2 and 3 were cut from 2450 to 2464.5 m in the Ness Formation, and core 4 was cut from 2484 m to 2511 m in the Ness and Rannoch formations. RFT water samples were taken at 2493 m in the Ness Formation.The well was plugged back for sidetracking on 19 November 1990. It is classified as a dry well.TestingNo drill stem test was performed. -
Borekaks i Sokkeldirektoratet
Borekaks i Sokkeldirektoratet Borekaks tilgjengelig for prøvetaking?YESBorekaks i Sokkeldirektoratet Borekaksprøve, topp dybde [m]Borekaksprøve, bunn dybde [m]930.002570.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet12382.02402.0[m ]22450.02454.0[m ]32455.02464.0[m ]42484.02511.0[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]60.0Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Kjernebilder
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Foringsrør og formasjonsstyrketester
Foringsrør og formasjonsstyrketester Type utforingUtforing diam.
[tommer]Utforing dybde
[m]Brønnbane diam.
[tommer]Brønnbane dyp
[m]LOT/FIT slam eqv.
[g/cm3]Type formasjonstestCONDUCTOR30243.036245.00.00LOTINTERM.13 3/8906.017 1/2922.01.56LOTINTERM.9 5/82242.012 1/42260.01.58LOTOPEN HOLE2570.08 1/22570.00.00LOT -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]CBL VDL10002242CST GR22442530DIL LSS SP GR AMS9052247DIL LSS SP GR AMS22422565FMS4 NGT AMS22432562LDL CNL GR9052247LDL CNL GR22422565MWD - GR RES DIR00RFTB GR22752504VSP10002560 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet13465182919511951200120502188219321932286229122912384238423902507251425162516 -
Geokjemisk informasjon
Geokjemisk informasjon Dokument navnDokument formatDokument størrelse [KB]pdf0.96 -
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokument størrelse [KB]pdf2.13pdf29.77 -
Dokumenter – eldre Sokkeldirektoratets WDSS rapporter og andre relaterte dokumenter
Dokumenter – eldre Sokkeldirektoratets WDSS rapporter og andre relaterte dokumenter Dokument navnDokument formatDokument størrelse [KB]pdf0.19pdf0.17 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling2451.05WATER BASED31.10.19907581.05WATER BASED01.11.19909221.05WATER BASED02.11.19909221.2022.08.0WATER BASED05.11.199010411.4214.07.0WATER BASED19.11.199011641.2023.010.0WATER BASED05.11.199014171.3016.08.0WATER BASED05.11.199019181.4018.09.0WATER BASED06.11.199021401.2415.06.0WATER BASED19.11.199022241.4018.09.0WATER BASED08.11.199022601.4021.09.0WATER BASED08.11.199022601.4019.08.0WATER BASED09.11.199022601.4019.08.0WATER BASED13.11.199023511.4013.06.0WATER BASED13.11.199024031.2214.07.0WATER BASED13.11.199024551.6016.06.0WATER BASED13.11.199024651.6016.07.0WATER BASED14.11.199025111.2215.07.0WATER BASED16.11.199025701.2315.07.0WATER BASED16.11.199025701.2315.06.0WATER BASED19.11.1990 -
Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie930.0[m]DCSTRAT950.0[m]DCSTRAT960.0[m]DCSTRAT980.0[m]DCSTRAT990.0[m]DCSTRAT1010.0[m]DCSTRAT1020.0[m]DCSTRAT1040.0[m]DCSTRAT1050.0[m]DCSTRAT1080.0[m]DCSTRAT1100.0[m]DCSTRAT1110.0[m]DCSTRAT1130.0[m]DCSTRAT1140.0[m]DCSTRAT1160.0[m]DCSTRAT1170.0[m]DCSTRAT1190.0[m]DCSTRAT1200.0[m]DCSTRAT1230.0[m]DCSTRAT1250.0[m]DCSTRAT1260.0[m]DCSTRAT1280.0[m]DCSTRAT1290.0[m]DCSTRAT1310.0[m]DCSTRAT1320.0[m]DCSTRAT1340.0[m]DCSTRAT1350.0[m]DCSTRAT1380.0[m]DCSTRAT1400.0[m]DCSTRAT1410.0[m]DCSTRAT1430.0[m]DCSTRAT1440.0[m]DCSTRAT1460.0[m]DCSTRAT1490.0[m]DCSTRAT1510.0[m]DCSTRAT1540.0[m]DCSTRAT1550.0[m]DCSTRAT1570.0[m]DCSTRAT1580.0[m]DCSTRAT1600.0[m]DCSTRAT1610.0[m]DCSTRAT1630.0[m]DCSTRAT1640.0[m]DCSTRAT1660.0[m]DCSTRAT1690.0[m]DCSTRAT1700.0[m]DCSTRAT1720.0[m]DCSTRAT1730.0[m]DCSTRAT1740.0[m]DCSTRAT1760.0[m]DCSTRAT1770.0[m]DCSTRAT1790.0[m]DCSTRAT1800.0[m]DCSTRAT1830.0[m]DCSTRAT1850.0[m]DCSTRAT1860.0[m]DCSTRAT1880.0[m]DCSTRAT1890.0[m]DCSTRAT1900.0[m]DCSTRAT1910.0[m]DCSTRAT1920.0[m]DCSTRAT1930.0[m]DCSTRAT1950.0[m]DCSTRAT1960.0[m]DCSTRAT1970.0[m]DCSTRAT1980.0[m]DCSTRAT1990.0[m]DCSTRAT2000.0[m]DCSTRAT2010.0[m]DCSTRAT2020.0[m]DCSTRAT2040.0[m]DCSTRAT2055.0[m]DCSTRAT2065.0[m]DCSTRAT2086.0[m]DCSTRAT2090.0[m]DCSTRAT2100.0[m]DCSTRAT2110.0[m]DCSTRAT2120.0[m]DCSTRAT2130.0[m]DCSTRAT2140.0[m]DCSTRAT2150.0[m]DCSTRAT2160.0[m]DCSTRAT2180.0[m]DCSTRAT2200.0[m]DCSTRAT2220.0[m]DCSTRAT2230.0[m]DCHYDRO2240.0[m]DCSTRAT2254.0[m]SWCHYDRO2260.0[m]DCHYDRO2277.0[m]SWCHYDRO2282.0[m]DCHYDRO2290.0[m]SWCHYDRO2297.6[m]SWCHYDRO2300.0[m]DCHYDRO2308.8[m]SWCHYDRO2316.6[m]SWCHYDRO2326.1[m]SWCHYDRO2334.0[m]SWCHYDRO2339.8[m]SWCHYDRO2346.0[m]SWCHYDRO2351.0[m]SWCHYDRO2358.0[m]SWCHYDRO2360.4[m]SWCHYDRO2365.5[m]SWCHYDRO2368.5[m]SWCHYDRO2370.8[m]SWCHYDRO2371.4[m]SWCHYDRO2378.1[m]SWCHYDRO2380.4[m]SWCHYDRO2382.0[m]DCHYDRO2382.1[m]CHYDRO2384.9[m]CHYDRO2387.2[m]CHYDRO2388.4[m]CHYDRO2390.0[m]CHYDRO2392.9[m]CHYDRO2397.5[m]CHYDRO2401.8[m]CHYDRO2416.0[m]SWCHYDRO2428.3[m]SWCHYDRO2450.7[m]CHYDRO2452.7[m]CHYDRO2457.9[m]CHYDRO2459.0[m]CHYDRO2461.5[m]CHYDRO2464.2[m]CHYDRO2468.5[m]SWCHYDRO2476.9[m]SWCHYDRO2480.0[m]DCHYDRO2499.1[m]CHYDRO2501.7[m]CHYDRO2504.6[m]CHYDRO2505.1[m]CHYDRO2506.0[m]CHYDRO2507.8[m]CHYDRO2509.0[m]CHYDRO2510.3[m]CHYDRO2512.5[m]SWCHYDRO2515.3[m]SWCHYDRO2520.0[m]SWCHYDRO2530.0[m]DCSTRAT2540.0[m]DCSTRAT2557.0[m]DCSTRAT2567.0[m]DCSTRAT2570.0[m]DCHYDRO2694.5[m]CHYDRO