25/4-9 S
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Generell informasjon
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Brønnhistorie
GeneralThe primary target for well 25/4-9 S was a prospect of Paleocene age called Klegg, approximately 11 km north-northeast of the Heimdal field, and four km south-southwest of Vale.Operations and resultsWildcat well 25/4-9 S was spudded with the semi-submersible installation Deepsea Delta on 5 September 2003 and drilled to TD at 2377 m in the Paleocene Heimdal Formation. It was drilled deviated with a maximum deviation of 23.6 deg at 1609 m. The first two hole sections (36" and 17 1/2 ") were drilled with seawater. The 12 1/4" hole section was drilled with Versavert OBM, while the 8 1/2" hole section (reservoir section) was drilled with NaCl WBM.The Heimdal Formation reservoir was encountered at 2236 m with 61 meters gross sand (55.9 m net). The sand had very good reservoir properties and was oil bearing. Production from the nearby Heimdal and Frigg fields had caused depletion of the regional aquifer by approximately 18 bars. A Free Water Level was interpreted to be at 2297 m (2197.4 m TVD MSL), but this is probably affected by the production pressure depletion.Two MDT runs were carried out. Representative oil and water samples, and a large volume of oil were recovered from the Heimdal Formation. One core was cut from 2239.2 m to 2256.5 m close to top of the Heimdal Formation.The well was permanently abandoned on 29 September 2003 as an oil discovery (the Vilje 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]1100.002377.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet12237.02254.5[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]17.5Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
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 formasjonstestCONDUCTOR30145.036149.00.00LOTSURF.COND.13 3/81080.017 1/21086.01.45LOTINTERM.9 5/82231.012 1/42236.01.40LOTOPEN HOLE2377.08 1/22377.00.00LOT -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]MDT GR22402335MDT GR22942294MWD - CDR GR RES DIR2202236MWD - GVR6 ARC GR RES DIR22362377SP DSI HRLA PEX1462377VSP GR8002370 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet1494609589581158134621502150216721942236 -
Spleisede logger
Spleisede logger Dokument navnDokument formatDokument størrelse [KB]pdf0.30 -
Geokjemisk informasjon
Geokjemisk informasjon Dokument navnDokument formatDokument størrelse [KB]pdf1.48 -
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokument størrelse [KB].pdf3.36.PDF5.48 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling2971.30WATER BASED9541.30WATER BASED10671.2720.0OIL BASED16661.3529.0OIL BASED21851.3525.0OIL BASED22361.3523.0OIL BASED22551.2512.0WATER BASED23771.2411.0WATER BASED -
Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie1100.0[m]DCRRI1120.0[m]DCRRI1140.0[m]DCRRI1160.0[m]DCRRI1180.0[m]DCRRI1200.0[m]DCRRI1220.0[m]DCRRI1240.0[m]DCRRI1260.0[m]DCRRI1280.0[m]DCRRI1300.0[m]DCRRI1320.0[m]DCRRI1340.0[m]DCRRI1360.0[m]DCRRI1370.0[m]DCRRI1380.0[m]DCRRI1390.0[m]DCRRI1400.0[m]DCRRI1410.0[m]DCRRI1420.0[m]DCRRI1430.0[m]DCRRI1440.0[m]DCRRI1450.0[m]DCRRI1460.0[m]DCRRI1480.0[m]DCRRI1500.0[m]DCRRI1520.0[m]DCRRI1540.0[m]DCRRI1560.0[m]DCRRI1580.0[m]DCRRI1610.0[m]DCRRI1630.0[m]DCRRI1650.0[m]DCRRI1670.0[m]DCRRI1690.0[m]DCRRI1710.0[m]DCRRI1730.0[m]DCRRI1750.0[m]DCRRI1770.0[m]DCRRI1790.0[m]DCRRI1810.0[m]DCRRI1830.0[m]DCRRI1850.0[m]DCRRI1870.0[m]DCRRI1890.0[m]DCRRI1910.0[m]DCRRI1930.0[m]DCRRI1950.0[m]DCRRI1970.0[m]DCRRI1990.0[m]DCRRI2010.0[m]DCRRI2030.0[m]DCRRI2050.0[m]DCRRI2060.0[m]DCRRI2067.0[m]DCRRI2080.0[m]DCRRI2090.0[m]DCRRI2100.0[m]DCRRI2110.0[m]DCRRI2120.0[m]DCRRI2130.0[m]DCRRI2140.0[m]DCRRI2150.0[m]DCRRI2160.0[m]DCRRI2170.0[m]DCRRI2180.0[m]DCRRI2190.0[m]DCRRI2200.0[m]DCRRI2210.0[m]DCRRI2220.0[m]DCRRI2230.0[m]DCRRI2230.0[m]DCFUGRO2237.1[m]CRRI2237.9[m]CRRI2245.4[m]CRRI2245.8[m]CRRI2246.4[m]CRRI2246.5[m]CFUGRO2246.6[m]CFUGRO2246.8[m]CFUGRO2247.0[m]CPETROSTR2247.1[m]CRRI2247.3[m]CFUGRO2247.5[m]CRRI2247.9[m]CRRI2248.0[m]CFUGRO2248.5[m]CFUGRO2249.1[m]CRRI2250.0[m]CPETROSTR2250.1[m]CRRI2250.3[m]CFUGRO2250.5[m]CFUGRO2250.9[m]CFUGRO2260.0[m]DCRRI2265.0[m]DCRRI2270.0[m]DCRRI2275.0[m]DCRRI2280.0[m]DCRRI2285.0[m]DCRRI2290.0[m]DCRRI2300.0[m]DCRRI2310.0[m]DCRRI2315.0[m]DCRRI2320.0[m]DCRRI2325.0[m]DCRRI2330.0[m]DCRRI2335.0[m]DCRRI2340.0[m]DCRRI2345.0[m]DCRRI2350.0[m]DCRRI2355.0[m]DCRRI2360.0[m]DCRRI2365.0[m]DCRRI2370.0[m]DCRRI2375.0[m]DCRRI2377.0[m]DCRRI