6204/11-1
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Generell informasjon
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Brønnhistorie
GeneralThe main objectives for well 6204/11-1 was to test commercial reserves of hydrocarbons in sandstones of Middle Jurassic age and in sandstones of Turonian age. A secondary objective was to test the play concept and possibly prove hydrocarbons in an Upper Jurassic sandstone.Operations and resultsWell 6204/11-1 was spudded on 10 October 1994 with the semi-submersible rig "Deepsea Bergen" and drilled to 2966 m in the Triassic Grey Beds. The 30", 20" and 13 3/8" casings strings were successfully set. The 9 5/8" casing was planned but left out. The 12 1/4" hole was drilled using a packed bottom hole assembly. The vertical hole was obtained at high weight on bit and reduced bottom hole assembly failures due to shock / vibration effects. No drilling problems were encountered. The well was drilled with pre-hydrated bentonite (PHB) to 540 m, and KCl polymer mud from there to TD.
The well proved, with some exception, the geological model. Sandstones of both Upper and Middle Jurassic age were encountered. The well was however terminated in Triassic sediments not in the basement as prognosed.
The well proved hydrocarbons with low saturation from 2029 to 2046 m in sandstone of Turonian age. The top of the Jurassic prospect was penetrated 23 m deeper than prognosed and proved to be gas bearing. The gas-water contact was found at 2792.5 m TVD RKB (2769.5 m TVD MSL). Good oil shows were observed in the cores below the gas-water contact and measurements from the cores indicate immature oil with low saturation below the gas - water contact.
Six cores were cut, three in the Cretaceous and three in the Jurassic. FMT and RCI wire line samples were taken at 1938 m (gas and mud filtrate), 2032.5 m (mud filtrate and small amounts of oil), 2043.8 m (mud, mud filtrate, and oil film), and 2787 m (mud filtrate and gas).
The well was plugged and abandoned on 14 November 1994 as as a gas discovery.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]545.002964.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet12008.02016.0[m ]22016.02025.8[m ]32133.02158.3[m ]42778.02793.0[m ]52793.52818.2[m ]62818.22846.0[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]110.6Borekjerner 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 formasjonstestCONDUCTOR30283.036285.00.00LOTINTERM.20528.026530.01.34LOTINTERM.13 3/81812.017 1/21830.01.58LOTOPEN HOLE2966.012 1/42966.00.00LOT -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]DLL DAC ZDL CNL SL5272971FMT QDYNE CHT GR19382880FMT QDYNE CHT GR SAMPLE19382051HRDIP18152950MWD RGD2862008MWD RGD21582966SWC GR5641805SWC GR18362445SWC GR23632965VSP4002965 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet222635750750111513181318200120882407242226022602277228462916 -
Spleisede logger
Spleisede logger Dokument navnDokument formatDokument størrelse [KB]pdf0.44 -
Geokjemisk informasjon
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Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokument størrelse [KB]pdf27.65 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling3821.03WATER BASED04.11.19945401.0331.017.0WATER BASED04.11.19945401.0326.014.5WATER BASED04.11.19948201.0717.09.0WATER BASED04.11.199413751.1321.014.0WATER BASED04.11.199417121.2727.010.5WATER BASED11.11.199418301.1822.015.0WATER BASED04.11.199418301.2222.014.5WATER BASED04.11.199419751.2118.014.0WATER BASED04.11.199420151.2022.013.5WATER BASED28.10.199420441.2728.010.5WATER BASED09.11.199420651.2728.014.0WATER BASED31.10.199420651.2727.013.5WATER BASED31.10.199421541.2727.013.0WATER BASED31.10.199421941.2727.013.5WATER BASED31.10.199426381.2628.014.0WATER BASED01.11.199426801.2718.08.0WATER BASED11.11.199427781.2629.013.5WATER BASED03.11.199427871.2728.010.5WATER BASED09.11.199428181.2629.013.5WATER BASED03.11.199428461.2628.012.5WATER BASED04.11.199428771.2728.010.5WATER BASED09.11.199428771.2728.010.5WATER BASED11.11.199429661.2629.011.5WATER BASED07.11.199429661.2728.010.5WATER BASED07.11.199429661.2729.012.0WATER BASED07.11.1994 -
Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie650.0[m]DCRRI675.0[m]DCRRI690.0[m]DCRRI710.0[m]DCRRI725.0[m]DCRRI740.0[m]DCRRI760.0[m]DCRRI766.0[m]DCRRI770.0[m]DCSTATO790.0[m]DCRRI810.0[m]DCRRI830.0[m]DCRRI840.0[m]DCRRI853.0[m]SWCSTATO870.0[m]SWCSTATO880.0[m]DCRRI900.0[m]DCRRI920.0[m]DCRRI935.0[m]DCRRI943.0[m]SWCSTATO960.0[m]DCRRI975.0[m]DCRRI990.0[m]DCRRI1005.0[m]DCRRI1010.0[m]SWCSTATO1025.0[m]DCRRI1040.0[m]DCRRI1055.0[m]DCRRI1072.0[m]SWCSTATO1085.0[m]DCRRI1104.0[m]SWCSTATO1111.0[m]SWCSTATO1120.0[m]DCRRI1130.0[m]DCRRI1140.0[m]DCRRI1155.0[m]DCRRI1170.0[m]DCRRI1180.0[m]DCRRI1190.0[m]DCRRI1200.0[m]DCRRI1210.0[m]DCRRI1220.0[m]DCRRI1230.0[m]DCRRI1240.0[m]DCRRI1250.0[m]DCRRI1265.0[m]DCRRI1275.0[m]DCRRI1295.0[m]DCRRI1305.0[m]DCRRI1310.0[m]DCRRI1320.0[m]DCRRI1330.0[m]DCRRI1340.0[m]DCRRI1350.0[m]DCRRI1360.0[m]DCRRI1370.0[m]DCRRI1380.0[m]DCRRI1395.0[m]DCRRI1400.0[m]DCRRI1410.0[m]DCRRI1420.0[m]DCRRI1430.0[m]DCRRI1440.0[m]DCRRI1450.0[m]DCRRI1453.0[m]DCRRI1460.0[m]DCRRI1470.0[m]DCRRI1480.0[m]DCRRI1490.0[m]DCRRI1517.0[m]DCSTATOIL1530.0[m]DCRRI1545.0[m]DCRRI1560.0[m]DCRRI1575.0[m]DCRRI1590.0[m]DCRRI1600.0[m]DCRRI1605.0[m]SWCSTATO1620.0[m]DCRRI1635.0[m]DCRRI1650.0[m]DCRRI1665.0[m]DCRRI1680.0[m]SWCSTATO1695.0[m]DCRRI1710.0[m]DCRRI1725.0[m]DCRRI1740.0[m]DCRRI1770.0[m]DCRRI1785.0[m]DCRRI1800.0[m]DCRRI1815.0[m]DCRRI1830.0[m]DCRRI1845.0[m]DCRRI1860.0[m]DCRRI1867.0[m]SWCSTATO1887.0[m]DCRRI1900.0[m]SWCSTATO1911.0[m]SWCSTATO1920.5[m]SWCSTATO1935.0[m]SWCRRI1950.0[m]DCRRI1965.0[m]DCRRI1978.0[m]SWCSTATO1995.0[m]DCRRI2008.2[m]DCRRI2010.8[m]CRRI2014.0[m]CRRI2016.9[m]CRRI2020.0[m]CRRI2022.7[m]CRRI2034.0[m]DCRRI2040.0[m]DCRRI2046.0[m]DCRRI2055.0[m]SWCSTATO2058.0[m]DCRRI2064.0[m]DCRRI2070.0[m]DCRRI2079.0[m]DCRRI2084.0[m]SWCSTATO2093.0[m]SWCSTATO2100.0[m]DCRRI2106.0[m]DCRRI2110.0[m]SWCSTATO2118.0[m]DCRRI2130.0[m]DCRRI2133.7[m]CRRI2136.8[m]CRRI2139.9[m]CRRI2142.3[m]CRRI2145.4[m]DCRRI2145.4[m]CRRI2148.3[m]CRRI2151.6[m]CRRI2154.7[m]CRRI2157.7[m]CRRI2166.0[m]DCRRI2172.0[m]DCRRI2178.0[m]DCRRI2190.0[m]SWCSTATO2196.0[m]DCRRI2202.0[m]DCRRI2214.0[m]DCRRI2217.0[m]DCRRI2223.0[m]DCRRI2229.0[m]DCRRI2238.0[m]DCRRI2244.0[m]DCRRI2253.0[m]DCRRI2259.0[m]DCRRI2265.0[m]DCRRI2271.0[m]DCRRI2277.0[m]DCRRI2284.0[m]SWCSTATO2293.0[m]SWCSTATO2298.0[m]DCRRI2304.0[m]DCRRI2310.0[m]DCRRI2316.0[m]DCRRI2322.0[m]DCRRI2328.0[m]DCRRI2340.0[m]DCRRI2346.0[m]DCRRI2352.0[m]DCRRI2358.0[m]DCRRI2370.0[m]DCRRI2379.0[m]DCRRI2391.0[m]DCRRI2403.0[m]DCRRI2410.0[m]SWCSTATO2415.0[m]DCRRI2419.5[m]SWCSTATO2433.0[m]DCRRI2435.0[m]SWCSTATO2443.0[m]DCRRI2445.0[m]SWCSTATO2448.0[m]DCRRI2454.0[m]DCRRI2460.0[m]DCRRI2469.0[m]DCRRI2476.5[m]DCSTATO2481.0[m]DCRRI2490.0[m]DCRRI2497.0[m]SWCSTATO2505.0[m]DCRRI2514.0[m]DCRRI2520.0[m]DCRRI2526.0[m]DCRRI2533.0[m]SWCSTATO2541.0[m]DCRRI2546.5[m]SWCSTATO2550.0[m]DCRRI2568.0[m]DCRRI2577.0[m]DCRRI2584.0[m]SWCSTATO2589.0[m]DCRRI2596.0[m]SWCSTATO2604.0[m]DCRRI2610.0[m]SWCSTATO2619.0[m]DCRRI2625.0[m]DCRRI2633.0[m]SWCSTATO2640.0[m]DCRRI2646.0[m]DCRRI2652.0[m]DCRRI2661.0[m]DCRRI2670.0[m]DCRRI2679.0[m]DCRRI2685.0[m]DCRRI2694.0[m]SWCSTATO2703.0[m]DCRRI2709.0[m]DCRRI2714.0[m]SWCSTATO2721.0[m]DCRRI2739.0[m]DCRRI2748.0[m]DCRRI2754.0[m]DCRRI2760.0[m]DCRRI2766.0[m]DCRRI2770.0[m]SWCSTATO2775.0[m]DCRRI2778.5[m]DCRRI2780.0[m]SWCSTATO2784.7[m]CRRI2802.7[m]CRRI2814.6[m]CRRI2838.7[m]CRRI2847.0[m]DCRRI2850.0[m]DCRRI2853.0[m]DCRRI2856.0[m]DCRRI2859.0[m]DCRRI2865.0[m]DCRRI2871.0[m]DCRRI2880.0[m]DCRRI2880.0[m]SWCSTATO2886.0[m]DCRRI2892.0[m]DCRRI2901.0[m]DCRRI2903.0[m]SWCSTATO2910.0[m]DCRRI