30/12-1
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Generell informasjon
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Brønnhistorie
GeneralWell 30/12-1 is located ca 12 km south of the 30/9-16 discovery well on the Oseberg Field complex. It was drilled to reduce uncertainties about hydrocarbon migration in the eastern part of the block. The primary objectives of the well were to test the hydrocarbon potential of the Middle Jurassic Tarbert Formation with the Ness-Oseberg-Rannoch-Etive Formations and the Early Jurassic Cook and Statfjord Formations.Operations and resultsExploration well 30/12-1 was spudded with the semi-submersible installation "West Vanguard" on 6 January 1994 and drilled to TD at 3641 m in the Early Jurassic Statfjord Formation. The well was drilled with seawater and bentonite hi-vis sweeps down to 1130 m and with "ANCO 2000" mud from 1130 m to TD.The Tarbert Formation was penetrated at 2903 m and was found to be 86 m thick in this well. The Brent Group, the Cook Formation, and the Statfjord Formation were found to be water bearing. Three conventional cores with 65 to 99 % recovery were cut in sandstone with thin coal beds in the interval 2901 m to 2970 m. Core number 1 included the lowermost two metres of the Heather Formation, otherwise all cores were cut in the Tarbert Formation. No fluid samples were taken. The well was permanently abandoned as a dry well on 7 March 1994.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]1140.003640.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet12901.02927.2[m ]22927.62960.1[m ]32961.02966.9[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]64.7Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Kjernebilder
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Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie1140.0[m]DCHYDRO1160.0[m]DCHYDRO1180.0[m]DCHYDRO1200.0[m]DCHYDRO1220.0[m]DCHYDRO1240.0[m]DCHYDRO1260.0[m]DCHYDRO1280.0[m]DCHYRDRO1300.0[m]DCHYDRO1320.0[m]DCHYDRO1340.0[m]DCHYDRO1356.0[m]SWCHYDRO1360.0[m]DCHYDRO1380.0[m]DCHYDRO1400.0[m]DCHYDRO1420.0[m]DCHYDRO1440.0[m]DCHYDRO1460.0[m]DCHYDRO1491.0[m]SWCHYDRO1500.0[m]DCHYDRO1520.0[m]DCHYDRO1540.0[m]DCHYDRO1560.0[m]DCHYDRO1580.0[m]SWCHYDRO1600.0[m]DCHYDRO1620.0[m]DCHYDRO1640.0[m]DCHYDRO1660.0[m]DCHYDRO1680.0[m]DCHYDRO1700.0[m]DCHYDRO1723.0[m]SWCHYDRO1740.0[m]DCHYDRO1760.0[m]DCHYDRO1780.0[m]DCHYDRO1800.0[m]DCHYDRO1816.0[m]SWCHYDRO1840.0[m]DCHYDRO1860.0[m]DCHYDRO1880.0[m]DCHYDRO1900.0[m]DCHYDRO1917.0[m]SWCHYDRO1940.0[m]DCHYDRO1960.0[m]DCHYDRO1980.0[m]DCHYDRO2020.0[m]DCHYDRO2040.0[m]DCHYDRO2060.0[m]DCHYDRO2080.0[m]DCHYDRO2095.0[m]SWCHYDRO2157.0[m]SWCHYDRO2209.0[m]SWCHYDRO2235.0[m]SWCHYDRO2253.0[m]SWCHYDRO2280.0[m]DCHYDRO2302.0[m]SWCHYDRO2320.0[m]DCHYDRO2340.0[m]DCHYDRO2360.0[m]DCHYDRO2380.0[m]DCHYDRO2400.0[m]DCHYDRO2420.0[m]SWCHYDRO2420.0[m]DCHYDRO2440.0[m]DCHYDRO2460.0[m]DCHYDRO2480.0[m]DCHYDRO2520.0[m]DCHYDRO2550.0[m]DCHYDRO2560.0[m]DCHYDRO2610.0[m]DCHYDRO2620.0[m]DCHYDRO2630.0[m]DCHYDRO2640.0[m]DCHYDRO2650.0[m]DCHYDRO2660.0[m]DCHYDRO2670.0[m]DCHYDRO2690.0[m]DCHYDRO2705.0[m]DCHYDRO2710.0[m]DCHYDRO2730.0[m]DCHYDRO2740.0[m]DCHYDRO2750.0[m]DCHYDRO2762.0[m]DCHYDRO2770.0[m]DCHYDRO2787.0[m]DCHYDRO2796.0[m]SWCHYDRO2805.0[m]DCHYDRO2812.0[m]SWCHYDRO2820.0[m]SWCHYDRO2822.0[m]DCHYDRO2830.0[m]SWCHYDRO2836.0[m]SWCHYDRO2842.0[m]DCHYDRO2850.0[m]DCHYDRO2857.0[m]DCHYDRO2865.0[m]SWCHYDRO2875.0[m]SWCHYDRO2886.0[m]SWCHYDRO2897.5[m]SWCHYDRO2918.3[m]CHYDRO2921.7[m]CHYDRO2944.0[m]CHYDRO2944.1[m]CUNIV.SHE2955.9[m]CHYDRO2960.0[m]CHYDRO2961.3[m]CHYDRO2967.0[m]CHYDRO2992.5[m]SWCHYDRO3001.0[m]SWCHYDRO3010.5[m]SWCHYDRO3020.0[m]SWCHYDRO3029.5[m]SWCHYDRO3037.0[m]DCHYDRO3042.0[m]SWCHYDRO3050.0[m]DCHYDRO3057.0[m]DCHYDRO3078.0[m]SWCHYDRO3080.0[m]DCHYDRO3085.0[m]SWCHYDRO3090.0[m]SWCHYDRO3111.5[m]SWCHYDRO3135.0[m]SWCHYDRO3146.0[m]SWCHYDRO3155.0[m]DCHYDRO3165.0[m]DCHYDRO3175.0[m]DCHYDRO3185.0[m]SWCHYDRO3190.0[m]DCHYDRO3200.0[m]DCHYDRO3210.0[m]DCHYDRO3220.0[m]DCHYDRO3230.0[m]DCHYDRO3240.0[m]DCHYDRO3250.0[m]DCHYDRO3260.0[m]DCHYDRO3270.0[m]DCHYDRO3270.0[m]SWCHYDRO3280.0[m]DCHYDRO3290.0[m]DCHYDRO3300.0[m]DCHYDRO3310.0[m]DCHYDRO3320.0[m]DCHYDRO3330.0[m]DCHYDRO3340.0[m]DCHYDRO3350.0[m]DCHYDRO3360.0[m]DCHYDRO3370.0[m]DCHYDRO3380.0[m]DCHYDRO3390.0[m]DCHYDRO3400.0[m]SWCHYDRO3410.0[m]DCHYDRO3420.0[m]DCHYDRO3428.0[m]SWCHYDRO3440.0[m]DCHYDRO3450.0[m]DCHYDRO3460.0[m]DCHYDRO3470.0[m]DCHYDRO3480.0[m]DCHYDRO3490.0[m]DCHYDRO3500.0[m]DCHYDRO3510.0[m]DCHYDRO3520.0[m]DCHYDRO3530.0[m]DCHYDRO3542.0[m]SWCHYDRO3550.0[m]DCHYDRO3557.0[m]DCHYDRO3567.0[m]DCHYDRO3580.0[m]DCHYDRO3590.0[m]DCHYDRO3600.0[m]DCHYDRO3613.5[m]SWCHYDRO3620.0[m]DCHYDRO3630.0[m]DCHYDRO3640.0[m]DCHYDRO -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet13564877289921362156215622052270241624292429254426102622262226932712279527952852290329032989313331333409341735493596 -
Spleisede logger
Spleisede logger Dokument navnDokument formatDokumentstørrelse [MB]pdf0.71 -
Geokjemisk informasjon
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Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokumentstørrelse [MB]pdf22.01 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]CST13562836CST13562836CST28653613DIL SDL/LSS GR SP AMS2201125DLL MSFL SDT LDL CNL GR SP AMS10152843DLL MSFL SDT/LSS GR SP AMS28093643LDL CNL FMS GR AMS28043643MWD RGD - GR RES DIR1363580RFT29123619VSP2002750VSP26003630 -
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 formasjonstestCONDUCTOR30219.036219.00.00LOTSURF.COND.13 3/81120.017 1/21122.00.00LOTINTERM.9 5/82802.012 1/42804.00.00LOTOPEN HOLE3641.08 1/23641.00.00LOT -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling1851.4117.0WATER BASED2201.05WATER BASED7081.05WATER BASED10061.4517.0WATER BASED11301.20WATER BASED17691.4533.0WATER BASED18951.4527.0WATER BASED21511.3934.0WATER BASED23171.3932.0WATER BASED25001.4527.0WATER BASED25581.4521.0WATER BASED26481.4522.0WATER BASED27111.4523.0WATER BASED27911.4524.0WATER BASED28421.4524.0WATER BASED29611.2320.0WATER BASED29961.2018.0WATER BASED33151.2019.0WATER BASED35851.2115.0WATER BASED36411.2318.0WATER BASED -
Trykkplott
Trykkplott Porertrykksdataene kommer fra logging i brønnen hvis ingen annen kilde er oppgitt. I noen brønner der trykk ikke er logget, er det brukt informasjon fra formasjonstester eller brønnspark. Trykkdataene er rapportert inn til Oljedirektoratet og videre prosessert og kvalitetssikret av IHS Markit.Trykkplott Dokument navnDokument formatDokumentstørrelse [MB]pdf0.22