6608/11-1
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Generell informasjon
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Brønnhistorie
GeneralWell 6608/11-1 was drilled on the Nordland Ridge, west of the Helgeland Basin and east of the Norne Field area. The Primary objective was sandstones of Middle to Early Jurassic age. The well should drill into Triassic deposits expected at 2010 m and TD was planned at 2095 m.Operations and resultsWildcat well 6608/11-1 was spudded with the semi-submersible installation Dyvi Stena on 19 July 1986. Due to unexpected geological development, the well was terminated already at 1620 m in Late Triassic Grey Beds. Drilling proceeded without significant problems. The well was drilled with seawater bentonite spud mud down to 695 m, with KCl/polymer mud from 695 m to 1619 m, and with bentonite/polymer mud from 1619 m to TD.The well penetrated Pliocene rocks with traces of tuff, which were interpreted as re-worked Paleocene tuffaceous rocks. Due to erosion these Pliocene rocks were situated on top of the Paleocene deposits, implying that most of the Tertiary rocks are missing. The Paleocene sediments were resting on Early Jurassic sediments, Åre Formation at 1233 m. Only the lowermost part of the Åre Formation was present due to erosion, implying that the whole of the Cretaceous and most of the Jurassic succession is missing in the well. The penetrated Åre Formation consisted of interbedded sandstones and claystones with minor coal beds. The electrical logs showed that the formation was water filled. No shows were reported from any section in the well neither on-rig, or from post-well geochemical analyses.One core was cut in the interval 1372 - 1397.7 m in Triassic rocks. No wire line pressure data or fluid samples were collected in the well.The well was permanently abandoned on 13 August 1986 as a dry wellTestingNo 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]525.001619.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet11372.01397.7[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]25.7Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Kjernebilder
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Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie1184.9[m]DCSTRAT1211.0[m]DCSTRAT1223.9[m]DCSTRAT1231.0[m]DCSTRAT1243.0[m]DCSTRAT1249.0[m]DCSTRAT1265.9[m]DCSTRAT1280.0[m]DCSTRAT1322.0[m]DCSTRAT1331.0[m]DCSTRAT1340.0[m]DCSTRAT1361.0[m]DCSTRAT1372.0[m]DCSTRAT1384.0[m]DCSTRAT1397.0[m]DCSTRAT1412.0[m]DCSTRAT1421.0[m]DCSTRAT1433.0[m]DCSTRAT1442.0[m]DCSTRAT1450.0[m]DCSTRAT1463.0[m]DCSTRAT1472.0[m]DCSTRAT1490.0[m]DCSTRAT1502.0[m]DCSTRAT1511.0[m]DCSTRAT1519.9[m]DCSTRAT1532.0[m]DCSTRAT1541.0[m]DCSTRAT1550.0[m]DCSTRAT1562.0[m]DCSTRAT1571.0[m]DCSTRAT1583.0[m]DCSTRAT1595.0[m]DCSTRAT1601.0[m]DCSTRAT1615.0[m]DCSTRAT1619.0[m]DCSTRAT -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet406406117711771222123312331318 -
Geokjemisk informasjon
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Dokumenter – eldre Sokkeldirektoratets WDSS rapporter og andre relaterte dokumenter
Dokumenter – eldre Sokkeldirektoratets WDSS rapporter og andre relaterte dokumenter Dokument navnDokument formatDokumentstørrelse [MB]pdf0.21pdf0.16 -
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokumentstørrelse [MB]pdf6.90pdf0.77pdf13.74 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]CST7151170CST11851615ISF BHC GR6771170ISF BHC MSFL GR11651613ISF LSS GR519693LDL CNL GR11651614LDL GR519693LDL GR6771171MWD - GR RES5251620SHDT GR11651614VSP8701615 -
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 formasjonstestCONDUCTOR30519.036524.00.00LOTSURF.COND.20677.026695.01.42LOTINTERM.13 3/81165.017 1/21185.01.50LOT -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling6951.12700.030.5WATER BASED27.07.19866951.101400.05.1WATER BASED30.07.19866951.121100.033.0WATER BASED27.07.19867571.101900.06.8WATER BASED31.07.198610151.302200.08.4WATER BASED11.08.198610661.111600.05.9WATER BASED01.08.198611821.212900.010.9WATER BASED04.08.198611820.002700.011.4WATERBASED04.08.198611851.252100.05.9WATER BASED04.08.198612761.352900.010.9WATER BASED05.08.198613721.333000.010.2WATER BASED06.08.198613991.282300.08.0WATER BASED07.08.198616201.282400.06.8WATER BASED08.08.198616201.302200.08.5WATER BASED11.08.1986