25/10-6 S
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Generell informasjon
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Brønnhistorie
GeneralWell 25/10-6 S is located West-Southwest of the Balder field. The main objectives for the well were to prove the hydrocarbon potentials of the Heimdal, Ty, and the Hugin Formations.Operations and resultsWildcat well 25/10-6 S well was spudded with the semi-submersible installation "Deepsea Bergen" on 26 December 1995 and drilled deviated to a TD of 4706 m (4281.5 m TVD) in the Middle Jurassic Sleipner Formation. The well was drilled using bentonite / CMC EHV mud down to 1039 m, with "ANCO 2000" mud from 1039 m to 2377 m, and with oil based "ANCOVERT" mud from 2377 m to TD. Several drilling problems were encountered below 1339 m and it took 30 days more than budget to reach TD. The problems included mud pump failure, MWD failure and difficulties with controlling the angle, bad weather, and bit problems. Many of the problems were due to hard formation. The well was drilled vertically to 1631 m before building angle.Well 25/10-6 S drilled through sediments of Tertiary, Cretaceous and into Jurassic ages. The well penetrated the Heimdal Formation at 2317.5 m and the Ty Formation at 2636.5 m. The angle was then approximately 15.5°. The angle increased through the Shetland Group and reached a maximum of 43.5° at approximately 4330 m in the Vestland Group. The well penetrated the Hugin Formation at 4337.5 m (3995.5 m TVD), 41.5 m deeper than prognosed (at an angle of 42°). The potential reservoirs in Palaeocene sandstones (Heimdal and Ty Formations) were water bearing. The Hugin Formation contained hydrocarbons, but the core data and FMT-results showed tight formation. Three cores were cut in the Hugin Formation. Of these, a total of only 12.7 m core were recovered because a very hard formation wore out the bit earlier than expected No fluid samples were collected. The well was permanently plugged and abandoned on 22 March 1996 as a dry well 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]1040.004704.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet14339.24343.5[m ]24344.04349.5[m ]34397.04399.7[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]12.5Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Kjernebilder
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Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie1040.0[m]DCRRI1060.0[m]DCRRI1070.0[m]DCRRI1090.0[m]DCRRI1100.0[m]DCRRI1120.0[m]DCRRI1130.0[m]DCRRI1150.0[m]DCRRI1170.0[m]DCRRI1190.0[m]DCRRI1200.0[m]DCRRI1220.0[m]DCRRI1240.0[m]DCRRI1260.0[m]DCRRI1270.0[m]DCRRI1290.0[m]DCRRI1300.0[m]DCRRI1320.0[m]DCRRI1330.0[m]DCRRI1350.0[m]DCRRI1370.0[m]DCRRI1390.0[m]DCRRI1400.0[m]DCRRI1420.0[m]DCRRI1430.0[m]DCRRI1450.0[m]DCRRI1470.0[m]DCRRI1480.0[m]DCRRI1500.0[m]DCRRI1510.0[m]DCRRI1530.0[m]DCRRI1540.0[m]DCRRI1570.0[m]DCRRI1590.0[m]DCRRI1600.0[m]DCRRI1620.0[m]DCRRI1630.0[m]DCRRI1650.0[m]DCRRI1660.0[m]DCRRI1680.0[m]DCRRI1700.0[m]DCRRI1710.0[m]DCRRI1730.0[m]DCRRI1740.0[m]DCRRI1760.0[m]DCRRI1770.0[m]DCRRI1790.0[m]DCRRI1800.0[m]DCRRI1820.0[m]DCRRI1830.0[m]DCRRI1850.0[m]DCRRI1860.0[m]DCRRI1880.0[m]DCRRI1890.0[m]DCRRI1910.0[m]DCRRI1930.0[m]DCRRI1940.0[m]DCRRI1960.0[m]DCRRI1970.0[m]DCRRI1990.0[m]DCRRI2000.0[m]DCRRI2020.0[m]DCRRI2030.0[m]DCRRI2050.0[m]DCRRI2060.0[m]DCRRI2080.0[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]DCRRI2229.0[m]DCRRI2232.6[m]SWCWESTLAB2238.0[m]DCRRI2247.0[m]DCRRI2256.0[m]DCRRI2265.0[m]DCRRI2272.6[m]SWCWESTLAB2283.0[m]DCRRI2287.6[m]SWCWESTLAB2292.0[m]DCRRI2301.0[m]DCRRI2307.6[m]SWCWESTLAB2328.0[m]DCRRI2337.0[m]DCRRI2346.0[m]DCRRI2355.0[m]DCRRI2364.0[m]DCRRI2373.0[m]DCRRI2385.0[m]DCRRI2406.0[m]DCRRI2418.0[m]DCRRI2427.0[m]DCRRI2436.0[m]DCRRI2448.0[m]DCRRI2457.0[m]DCRRI2469.0[m]DCRRI2478.0[m]DCRRI2490.0[m]DCRRI2499.0[m]DCRRI2508.0[m]DCRRI2526.0[m]DCRRI2535.0[m]DCRRI2553.0[m]DCRRI2580.0[m]DCRRI2589.0[m]DCRRI2598.0[m]DCRRI2616.0[m]DCRRI2631.1[m]SWCWESTLAB2637.5[m]SWCWESTLA2643.0[m]DCRRI2652.0[m]DCRRI2670.0[m]DCRRI2679.0[m]DCRRI2691.0[m]SWCWESTLAB2700.0[m]DCRRI2718.0[m]DCRRI3350.0[m]DCRRI3360.0[m]DCRRI3380.0[m]DCRRI3390.0[m]DCRRI3590.0[m]DCRRI3860.0[m]DCRRI3870.0[m]DCRRI3890.0[m]DCRRI3900.0[m]DCRRI3920.0[m]DCRRI3930.0[m]DCRRI3950.0[m]DCRRI3960.0[m]DCRRI3980.0[m]DCRRI3990.0[m]DCRRI4010.0[m]DCRRI4020.0[m]DCRRI4040.0[m]DCRRI4050.0[m]DCRRI4065.0[m]DCRRI4080.0[m]DCRRI4095.0[m]DCRRI4110.0[m]DCRRI4125.0[m]DCRRI4140.0[m]DCRRI4152.0[m]DCRRI4167.0[m]DCRRI4182.0[m]DCRRI4197.0[m]DCRRI4206.0[m]DCRRI4215.0[m]DCRRI4224.0[m]DCRRI4233.0[m]DCRRI4242.0[m]DCRRI4251.0[m]DCRRI4260.0[m]DCRRI4269.0[m]DCRRI4278.0[m]DCRRI4287.0[m]DCRRI4296.0[m]DCRRI4305.0[m]DCRRI4314.0[m]DCRRI4323.0[m]DCRRI4332.0[m]DCRRI4332.0[m]DCAPT4335.0[m]DCAPT4338.0[m]DCAPT4338.0[m]DCRRI4339.2[m]CRRI4342.7[m]CRRI4343.2[m]CWESTLAB4344.7[m]CWESTLA4345.6[m]CAPT4349.2[m]CAPT4349.4[m]CWESTLAB4397.1[m]CAPT4397.5[m]CWESTLAB4397.9[m]CAPT4398.3[m]CWESTLAB4398.5[m]CAPT4399.4[m]CAPT4401.0[m]DCAPT4413.0[m]DCAPT4413.0[m]DCRRI4416.0[m]DCAPT4419.0[m]DCAPT4422.0[m]DCRRI4431.0[m]DCRRI4440.0[m]DCRRI4455.0[m]DCRRI4464.0[m]DCRRI4473.0[m]DCRRI4482.0[m]DCRRI4491.0[m]DCRRI4500.0[m]DCRRI4509.0[m]DCRRI4518.0[m]DCRRI4527.0[m]DCRRI4536.0[m]DCRRI4545.0[m]DCRRI4554.0[m]DCRRI4563.0[m]DCRRI4572.0[m]DCRRI4581.0[m]DCRRI4590.0[m]DCRRI4599.0[m]DCRRI4608.0[m]DCRRI4617.0[m]DCRRI4626.0[m]DCRRI4635.0[m]DCRRI4644.0[m]DCRRI4653.0[m]DCRRI4662.0[m]DCRRI4671.0[m]DCRRI4680.0[m]DCRRI4689.0[m]DCRRI4698.0[m]DCRRI4704.0[m]DCRRI -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet140444695791791982116812001456147214911530212621262221228623182619263726862789278930693160352136393885388540574074424042404314433843384489 -
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]pdf15.63 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]CDL CN GR CHT40364628DIPL MAC ZDL CN DSL20953080DLL MAC ZDL GR10242115DPIL MAC DSL CHT40384637FMT GR23182638FMT GR23182735FMT GR CHT43614690FMT QDYNE GR CHT00FMT QDYNE GR CHT00FMT QDYNE GR CHT00MAC DSL29064054MWD - DPR TF42042375MWD - DPR TF424833014MWD - DPR TF5A30143452MWD - NAVIGATOR23752547SWC GR22322760VSP GR14004040VSP GR38904180VSP GR43904700 -
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 formasjonstestSURF.COND.30200.036200.00.00LOTINTERM.201024.0261026.01.74LOTINTERM.13 3/82210.017 1/22212.01.79LOTINTERM.9 5/84037.012 1/44037.02.10LOTOPEN HOLE4706.08 1/24706.00.00LOT -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling10241.4721.0ANCO 200010241.4721.0ANCO 200015621.4118.0ANCO 200017001.4720.0ANCO 200018601.4720.0ANCO 200020851.4721.0ANCO 200022161.4721.0ANCO 200022171.4722.0ANCO 200022501.4719.0ANCO 200026681.3036.0ANCO VERT27191.3340.0ANCO VERT27911.3544.0ANCO VERT28591.3634.0ANCO VERT28701.3634.0ANCO VERT29821.3731.0ANCO VERT30341.3732.0ANCO VERT31321.3834.0ANCO VERT31541.3835.0ANCO VERT33031.3737.0ANCO VERT33711.3834.0ANCO VERT34581.3836.0ANCO VERT34811.3836.0ANCO VERT36141.3835.0ANCO VERT36501.3833.0ANCO VERT37821.4135.0ANCO VERT38271.4134.0ANCO VERT40491.8543.0ANCO VERT40521.8548.0ANCO VERT42081.9147.0ANCO VERT43201.9554.0ANCO VERT43371.9550.0ANCO VERT43391.9548.0ANCO VERT43501.9546.0ANCO VERT43601.9546.0ANCO VERT44031.9549.0ANCO VERT44241.9548.0ANCO VERT44301.9548.0ANCO VERT44801.9549.0ANCO VERT45141.9548.0ANCO VERT45481.9546.0ANCO VERT46111.9546.0ANCO VERT46621.9545.0ANCO VERT47021.9547.0ANCO VERT47061.9547.0ANCO VERT -
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]pdf0.21