7224/7-1
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Generell informasjon
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Brønnhistorie
GeneralWell 7224/7-1 was drilled in Lopparyggen Øst area on the Bjarmeland Platform. The hole was drilled on the Samson Dome structure with closure on all pre-Oligocene levels. The well was designed to test sandstone reservoirs of Early Jurassic/Late Triassic and Early Triassic ages and carbonaceous rocks of Permian age. In addition, the well was to test the geophysical and structural interpretation, and improve the geological, geochemical and paleontological understanding of a new area in the Barents Sea. Planned TD was originally at 4400 m, into Permian carbonates. However, as the result from well 7226/11-1 about 70 km further east turned out to be negative regarding the Permian rocks, it was decided to reduce TD to 3200 m.Operations and resultsWildcat well 7224/7-1 was spudded with the semi-submersible rig Ross Rig 13 April 1988 and drilled to TD at 3067 m in Triassic rocks. During drilling Statoil reported increasing pressure and relatively high connection gas readings. At 2352 m gas flowed in from the formation. During further drilling the pore pressure increased to 1.48 SG in the formation at 2621 m, and Statoil decided to stop drilling and set casing at 2658 m. The 9 5/8" casing was set at 2644 m. Further drilling to TD went without significant problems. The well was drilled with seawater and hi-vis pills down to 664 m and with Newdrill polymer / Drispac from 664 m to TD. There was no shallow gas in the hole.Middle Jurassic sandstone (Stø Formation) came in at 894 m. Jurassic/Late Triassic reservoir section had good reservoir quality. In the Triassic section several minor sand zones of Anisian age in the Kobbe formation was penetrated. Bottom Smithian sandstone (Klappmyss), prognosed at 2730 m, was not encountered as expected. Shows were recorded in the Stø, Nordmela and Tubåen formations from 894 m to 931 m, but logs and RFT tests showed that the sandstones were water bearing. The petrophysical evaluation indicated that the section from 1660 to approximately 1775 in the Kobbe Formation was gas bearing, and shows were recorded from 1658 m to 1784 m, 1856 m to 1871 m, and 1922 m to 2027 m. However, analysis from core and RFT measurements showed that the formation had very poor to no permeability. Three cores were cut in Early Jurassic-Late Triassic (Stø, Nordmela and Tubåen formations), and two in Middle Triassic rocks (Kobbe Formation). One RFT fluid sample was taken in the Stø Formation at 902 m. It contained water. In the Kobbe Formation four successful formation pressures out of 26 attempts, and one set of gas samples were achieved by the RFT.After expected reservoir level was penetrated without encountering reservoir sand, Statoil requested to stop further drilling. The well was plugged and abandoned on 19 June 1988 with shows.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]665.003067.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet1898.0907.5[m ]2907.5925.1[m ]3926.0931.0[m ]41725.01732.5[m ]51734.01740.7[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]46.2Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Kjernebilder
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Oljeprøver i Sokkeldirektoratet
Oljeprøver i Sokkeldirektoratet Test typeFlaske nummerTopp dyp
MD [m]Bunn dyp
MD [m]Væske typeTest tidspunktPrøver tilgjengeligRFTRFT902.000.00YES -
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 formasjonstestCONDUCTOR30354.036531.00.00LOTSURF.COND.20651.026664.01.69LOTINTERM.13 3/81919.017 1/21945.01.61LOTINTERM.9 5/82644.012 1/42704.01.84LOTOPEN HOLE3067.08 1/23067.00.00LOT -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]CBL VDL GR2921919CBL VDL GR2922645CST GR359663CST GR7001810CST GR7971249CST GR10651930CST GR12631936CST GR19222650CST GR26503061DIL BHC GR355663DIL LSS MSFL GR6523068LDL CNL NGS6523070LDL GR353663MWD - GR RES3553067RFT HP GR902944RFT HP GR16791936RFT HP GR19842661RFT HP GR24402864SHDT GR6523070VSP8003060 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet29338538540140176279286189489491993093110281642164222222663 -
Spleisede logger
Spleisede logger Dokument navnDokument formatDokument størrelse [KB]pdf0.58 -
Geokjemisk informasjon
Geokjemisk informasjon Dokument navnDokument formatDokument størrelse [KB]pdf1.41 -
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokument størrelse [KB]pdf24.38 -
Dokumenter – eldre Sokkeldirektoratets WDSS rapporter og andre relaterte dokumenter
Dokumenter – eldre Sokkeldirektoratets WDSS rapporter og andre relaterte dokumenter Dokument navnDokument formatDokument størrelse [KB]pdf0.25pdf0.25 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling3350.00WATER BASED20.06.19886581.03WATER BASED28.04.19886601.032000.025.0WATER BASED18.04.19887051.321100.01.3WATER BASED16.06.19887051.335000.01.2WATER BASED17.06.19888411.251200.03.8WATER BASED28.04.19888501.251200.03.4WATER BASED29.04.19888501.251100.03.0WATER BASED02.05.19888501.251100.03.4WATER BASED02.05.19888981.251100.03.4WATER BASED28.04.19889231.251100.03.4WATER BASED28.04.198811361.251300.03.0WATER BASED02.05.198812941.251200.03.8WATER BASED03.05.198814151.251200.04.2WATER BASED04.05.198815301.251100.04.7WATER BASED05.05.198816461.251300.04.2WATER BASED06.05.198816821.301700.05.9WATER BASED09.05.198816821.302400.06.3WATER BASED09.05.198816821.301600.05.1WATER BASED13.05.198816821.302200.05.5WATER BASED13.05.198816821.301500.04.7WATER BASED09.05.198817401.301500.04.7WATER BASED09.05.198817431.302400.05.1WATER BASED10.05.198818521.302200.06.4WATER BASED13.05.198819451.302200.05.5WATER BASED13.05.198819451.301600.05.1WATER BASED13.05.198819791.303000.08.5WATER BASED18.05.198820871.212400.06.8WATER BASED18.05.198821671.212500.07.6WATER BASED19.05.198822071.212400.06.4WATER BASED20.05.198823371.212300.05.5WATER BASED24.05.198823801.322500.06.7WATER BASED24.05.198824411.352900.06.8WATER BASED24.05.198824711.362400.07.6WATER BASED24.05.198824981.621900.05.1WATER BASED15.06.198825191.402500.07.6WATER BASED25.05.198825401.402800.08.0WATER BASED26.05.198825511.622000.05.1WATER BASED14.06.198826211.503200.08.5WATER BASED27.05.198826581.582500.05.9WATER BASED30.05.198826581.582200.05.5WATER BASED30.05.198826581.582200.05.1WATER BASED31.05.198826581.582500.05.5WATER BASED01.06.198827041.582300.04.7WATER BASED06.06.198827621.582300.05.1WATER BASED06.06.198827941.632200.04.7WATER BASED06.06.198828421.622300.05.1WATER BASED07.06.198828891.622300.05.5WATER BASED08.06.198829331.622400.05.9WATER BASED09.06.198829821.622300.05.9WATER BASED10.06.198830671.625500.06.8WATER BASED13.06.198830671.625100.05.0WATER BASED13.06.198830671.622200.04.2WATER BASED13.06.1988 -
Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie403.0[m]SWCSTAT415.0[m]SWCSTAT430.0[m]SWCSTAT442.0[m]SWCSTAT454.0[m]SWCSTAT466.0[m]SWCSTAT478.0[m]SWCSTAT490.0[m]SWCSTAT502.0[m]SWCSTAT526.0[m]SWCSTAT550.0[m]SWCSTAT562.0[m]SWCSTAT574.0[m]SWCSTAT586.0[m]SWCSTAT598.0[m]SWCSTAT610.0[m]SWCSTAT621.0[m]SWCSTAT633.0[m]SWCSTAT645.0[m]SWCSTAT663.5[m]SWCSTAT677.0[m]DCSTAT692.0[m]DCSTAT707.0[m]DCSTAT722.0[m]DCSTAT750.0[m]SWCSTAT764.0[m]DCSTAT773.0[m]DCSTAT785.0[m]DCSTAT797.1[m]SWCSTAT815.1[m]SWCSTAT827.0[m]DCSTAT840.1[m]SWCSTAT851.1[m]SWCSTAT862.1[m]SWCSTAT876.1[m]SWCSTAT886.1[m]SWCSTAT898.4[m]CSTAT900.8[m]CICHRON907.2[m]CSTAT912.3[m]CSTAT913.3[m]CICHRON914.4[m]CICHRON916.2[m]CICHRON916.8[m]CICHRON917.6[m]CICHRON920.4[m]CSTAT921.9[m]CICHRON923.3[m]CICHRON924.1[m]CSTAT925.1[m]CICHRON926.0[m]CSTAT926.4[m]CICHRON926.6[m]CICHRON928.1[m]CSTAT929.6[m]CSTAT929.9[m]CICHRON930.9[m]CSTAT947.0[m]DCSTAT962.5[m]SWCSTAT1029.0[m]SWCSTAT1043.0[m]DCSTAT1058.0[m]DCSTAT1065.0[m]SWCOD1073.0[m]DCSTAT1087.9[m]SWCSTAT1095.0[m]SWCOD1103.0[m]DCSTAT1115.0[m]DCSTAT1125.0[m]SWCOD1156.0[m]SWCSTAT1176.9[m]SWCSTAT1185.0[m]SWCOD1188.0[m]DCSTAT1203.0[m]DCSTAT1215.0[m]SWCOD1217.4[m]SWCSTAT1238.4[m]SWCSTAT1246.4[m]SWCSTAT1254.0[m]SWCOD1263.0[m]SWCSTAT1282.0[m]SWCOD1282.5[m]SWCSTAT1302.5[m]SWCSTAT1310.0[m]SWCOD1317.0[m]DCSTAT1329.0[m]DCSTAT1339.0[m]SWCSTAT1343.5[m]SWCOD1357.5[m]SWCSTAT1372.5[m]SWCSTAT1380.0[m]SWCOD1391.0[m]SWCSTAT1407.0[m]DCSTAT1409.0[m]SWCOD1419.5[m]SWCSTAT1434.5[m]SWCSTAT1443.0[m]SWCOD1450.0[m]SWCSTAT1464.0[m]DCSTAT1469.0[m]SWCOD1478.0[m]SWCSTAT1494.0[m]DCSTAT1497.0[m]SWCOD1512.0[m]SWCSTAT1534.0[m]SWCOD1539.0[m]DCSTAT1547.5[m]SWCSTAT1565.0[m]DCSTAT1565.0[m]SWCOD1580.0[m]SWCSTAT1592.0[m]SWCOD1593.5[m]SWCSTAT1607.0[m]SWCSTAT1624.0[m]DCSTAT1624.0[m]DCFUGRO1624.0[m]SWCOD1630.0[m]DCFUGRO1635.0[m]SWCSTAT1639.0[m]DCFUGRO1648.0[m]DCSTAT1648.0[m]DCFUGRO1660.0[m]DCFUGRO1660.0[m]SWCOD1669.0[m]DCFUGRO1670.0[m]SWCSTAT1678.0[m]DCFUGRO1681.5[m]SWCSTAT1685.0[m]SWCOD1688.0[m]DCFUGRO1696.0[m]SWCSTAT1697.0[m]DCFUGRO1710.0[m]SWCOD1711.0[m]DCSTAT1725.0[m]CSTAT1725.4[m]CFUGRO1727.7[m]CSTAT1728.9[m]CFUGRO1730.8[m]CFUGRO1730.8[m]CICHRON1734.0[m]CSTAT1735.0[m]CFUGRO1738.0[m]CFUGRO1738.0[m]SWCOD1738.0[m]SWCOD1739.8[m]CFUGRO1740.7[m]CSTAT1740.8[m]CFUGRO1740.8[m]CICHRON1754.0[m]DCFUGRO1756.0[m]DCSTAT1775.0[m]DCFUGRO1782.0[m]SWCSTAT1793.0[m]DCFUGRO1802.0[m]SWCSTAT1803.0[m]DCFUGRO1815.0[m]SWCSTAT1815.0[m]SWCOD1817.0[m]DCFUGRO1830.0[m]SWCSTAT1835.0[m]DCFUGRO1853.0[m]DCFUGRO1859.5[m]SWCSTAT1859.5[m]SWCOD1871.0[m]DCFUGRO1875.0[m]SWCSTAT1888.5[m]SWCSTAT1889.0[m]DCFUGRO1903.5[m]SWCOD1903.5[m]SWCSTAT1910.0[m]DCFUGRO1918.0[m]DCSTAT1928.0[m]DCFUGRO1930.0[m]SWCOD1930.0[m]SWCSTAT1945.0[m]DCSTAT1952.0[m]DCFUGRO1963.0[m]SWCSTAT1973.0[m]DCFUGRO1979.0[m]DCSTAT1991.0[m]SWCSTAT1994.0[m]DCFUGRO2006.0[m]DCSTAT2015.0[m]SWCSTAT2021.0[m]DCFUGRO2033.0[m]SWCSTAT2042.0[m]DCFUGRO2056.0[m]SWCSTAT2060.0[m]DCFUGRO2077.0[m]SWCSTAT2078.0[m]DCFUGRO2091.0[m]SWCSTAT2099.0[m]DCFUGRO2108.0[m]DCSTAT2123.0[m]DCFUGRO2125.0[m]SWCSTAT2138.0[m]DCSTAT2138.0[m]DCFUGRO2150.0[m]DCSTAT2153.0[m]DCFUGRO2155.0[m]SWCSTAT2174.0[m]DCFUGRO2182.0[m]SWCSTAT2195.0[m]DCFUGRO2198.0[m]DCSTAT2201.0[m]DCFUGRO2211.0[m]SWCSTAT2216.0[m]DCSTAT2222.0[m]DCFUGRO2230.0[m]SWCSTAT2240.0[m]SWCSTAT2255.0[m]DCSTAT2270.0[m]DCSTAT2291.0[m]DCSTAT2303.0[m]DCSTAT2312.0[m]SWCSTAT2335.0[m]SWCSTAT2345.0[m]DCSTAT2361.0[m]SWCSTAT2376.5[m]SWCSTAT2395.5[m]SWCSTAT2420.0[m]DCSTAT2438.0[m]DCSTAT2451.0[m]SWCSTAT2468.0[m]DCSTAT2486.0[m]SWCSTAT2492.0[m]DCSTAT2499.0[m]SWCSTAT2528.0[m]DCSTAT2543.0[m]DCSTAT2569.5[m]SWCSTAT2586.0[m]SWCSTAT2600.0[m]DCSTAT2617.5[m]SWCSTAT2636.0[m]DCSTAT2676.5[m]SWCSTAT2717.0[m]SWCSTAT2732.0[m]DCSTAT2745.0[m]SWCSTAT2765.0[m]SWCSTAT2778.0[m]SWCSTAT2800.0[m]SWCSTAT2825.0[m]DCSTAT2828.0[m]SWCSTAT2834.0[m]DCSTAT2861.0[m]DCSTAT2876.0[m]DCSTAT2893.0[m]SWCSTAT2912.0[m]SWCSTAT2922.0[m]SWCSTAT2942.0[m]DCSTAT2955.0[m]SWCSTAT2969.0[m]DCSTAT2977.5[m]SWCSTAT2978.0[m]DCSTAT2987.0[m]DCSTAT2999.0[m]SWCSTAT3015.0[m]SWCSTAT3037.5[m]SWCSTAT3056.0[m]DCSTAT3059.0[m]DCSTAT3061.5[m]SWCSTAT3065.0[m]DCSTAT -
Tynnslip i Sokkeldirektoratet
Tynnslip i Sokkeldirektoratet DybdeEnhet907.50[m ]914.75[m ]919.50[m ]922.75[m ]928.75[m ]1726.05[m ]1726.65[m ]1732.40[m ]1732.05[m ]