30/11-10
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Generell informasjon
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Brønnhistorie
GeneralWell 30/11-10 was drilled on the Krafla North prospect located on the edge of the Horda Platform towards the Viking Graben. Krafla North is located north of and close to the 30/11-8 S Krafla discovery. The primary objective was to prove reserves in the Tarbert, Ness, and Etive formations of the Brent Group.Operations and resultsWildcat well 30/11-10 was spudded with the semi-submersible installation Transocean Leader on 1 November 2014 and drilled to TD at 4079 m in the Early Jurassic Drake Formation. For field development data, acquisition purposes a 12 1/4'' pilot hole was drilled from below 20'' shoe and down through Skade, Oligocene and Grid sands to 1652 m. No significant problem was encountered in the operations. The well was drilled with spud mud down to 807 m and with XP-07 oil based mud from 807 m to TD.Top Brent Group, Tarbert Formation was encountered at 3445 m. The well proved oil in Tarbert and Etive Formations and rich gas-condensate in the Ness Formation. The upper part of Tarbert down to 3554 m had poor reservoir properties. The Brent Group succession proved oil-down-to (ODT) situations in most of the reservoir intervals. However, an in-well oil-water contact was estimated 3659 m in the Tarbert Formation based on PVT and pressure data. Shows were described throughout the Brent Group, including the Rannoch Formation. In the cored section of upper Drake Formation, weak residual shows were observed.Two cores were cut. Core number 1 recovered 54.5 meters from 3575 to 3629 m in the Tarbert Formation while core number 2 recovered 43.8 meters from 3997.2 m in the Rannoch Formation to 4041 m in the Drake Formation. MDT fluid samples were taken at 1025 m (water), 1313.5 m (water), 1463.5 (water), 3555.2 m (oil), 3590.3 m (oil), 3610.8 m (oil), 3663.8 m (water), 3896.7 m (oil), 3950.1 m (water), and 3994.2 m (oil).The well was permanently abandoned on 26 December 2014 as an oil and gas/condensate well.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]810.004079.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet13575.03629.5[m ]23997.24040.5[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]97.8Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Oljeprøver i Sokkeldirektoratet
Oljeprøver i Sokkeldirektoratet Test typeFlaske nummerTopp dyp
MD [m]Bunn dyp
MD [m]Væske typeTest tidspunktPrøver tilgjengeligMINI3590.300.00OILYESMINI3610.700.00OILNOMINI3896.700.00OILYESMINI3994.200.00OILYES -
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 formasjonstestCONDUCTOR30178.436184.00.00SURF.COND.20798.226807.00.00810.0810.01.35FITPILOT HOLE1652.012 1/41652.00.00INTERM.142088.017 1/22103.01.74LOTLINER9 5/83399.512 1/43404.01.90FITOPEN HOLE4079.08 1/24079.00.00 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]AIT PEX HNGS33994041AIT PPC MSIP PEX HNGS7981631CMR ECS GR33894065MDT GR21002291MDT GR34484002MDT GR35553994MDT GR35903897MDT GR36633897MSCT GR34473897MSCT GR36523997MSCT GR36543995MSCT GR39973999MWD - ARCVRES6 TELE34004079MWD - ARCVRES9 TELE1772100MWD - PDX5 ARCVRES9 TELE21003401MWD - TELE128183NGI PPC MSIP PPC GR31004048PS PO LFA SC1 CMR GR7981631 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet1281285277777778101063159517551837218621862249227222962352249325442544282432383304337833783445344537443992399740134013 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling1281.3515.0Spud Mud1381.0327.0Spud Mud1831.3515.0Spud Mud3241.6020.0Kill Fluid- SW/Bentonite3311.0312.0Spud Mud5881.6020.0Kill Fluid- SW/Bentonite5881.0312.0Spud Mud5881.6020.0Kill Fluid- SW/Bentonite8071.2218.0OBM-Low ECD8071.3515.0Spud Mud8101.2219.0OBM-Low ECD17481.2222.0OBM-Low ECD19981.3520.0OBM-Low ECD20521.2222.0OBM-Low ECD22001.4026.0OBM-Low ECD25871.3323.0OBM-Low ECD31521.4325.0OBM-Low ECD31581.8243.0OBM-Low ECD32131.3521.0OBM-Low ECD32841.8341.0OBM-Low ECD33311.5029.0OBM-Low ECD33641.8348.0OBM-Low ECD34011.5029.0OBM-Low ECD34451.8344.0OBM-Low ECD35461.6335.0OBM-Low ECD37331.7036.0OBM-Low ECD39971.8038.0OBM-Low ECD40791.8340.0OBM-Low ECD -
Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie894.0[m]DCPETROSTR900.0[m]DCPETROS1023.0[m]DCPETROS1044.0[m]DCPETROS1068.0[m]DCPETROS1080.0[m]DCPETROS1095.0[m]DCPETROS1110.0[m]DCPETROS1125.0[m]DCPETROS1140.0[m]DCPETROS1155.0[m]DCPETROS1170.0[m]DCPETROS1185.0[m]DCPETROS1200.0[m]DCPETROS1215.0[m]DCPETROS1230.0[m]DCPETROS1245.0[m]DCPETROS1260.0[m]DCPETROS1275.0[m]DCPETROS1290.0[m]DCPETROS1305.0[m]DCPETROS1311.0[m]DCPETROS1365.0[m]DCPETROS1380.0[m]DCPETROS1395.0[m]DCPETROS1410.0[m]DCPETROS1426.0[m]DCPETROS1441.0[m]DCPETROS1456.0[m]DCPETROS1600.0[m]DCPETROS1630.0[m]DCPETROS1651.0[m]DCPETROS1680.0[m]DCPETROS1710.0[m]DCPETROS1740.0[m]DCPETROS1760.0[m]DCPETROS1840.0[m]DCPETROS1850.0[m]DCPETROS1880.0[m]DCPETROS1910.0[m]DCPETROS1940.0[m]DCPETROS1970.0[m]DCPETROS2000.0[m]DCPETROS2030.0[m]DCPETROS2060.0[m]DCPETROS2090.0[m]DCPETROS2120.0[m]DCPETROS2150.0[m]DCPETROS2180.0[m]DCPETROS2200.0[m]DCPETROS2220.0[m]DCPETROS2240.0[m]DCPETROS2260.0[m]DCPETROS2280.0[m]DCPETROS2300.0[m]DCPETROS2320.0[m]DCPETROS2340.0[m]DCPETROS2360.0[m]DCPETROS2380.0[m]DCPETROS2400.0[m]DCPETROS2420.0[m]DCPETROS2440.0[m]DCPETROS2460.0[m]DCPETROS2480.0[m]DCPETROS2500.0[m]DCPETROS2520.0[m]DCPETROS2610.0[m]DCPETROS2640.0[m]DCPETROS2670.0[m]DCPETROS2700.0[m]DCPETROS2730.0[m]DCPETROS2760.0[m]DCPETROS2790.0[m]DCPETROS2820.0[m]DCPETROS2850.0[m]DCPETROS2880.0[m]DCPETROS2910.0[m]DCPETROS2940.0[m]DCPETROS2970.0[m]DCPETROS3000.0[m]DCPETROS3030.0[m]DCPETROS3060.0[m]DCPETROS3090.0[m]DCPETROS3120.0[m]DCPETROS3150.0[m]DCPETROS3180.0[m]DCPETROS3210.0[m]DCPETROS3240.0[m]DCPETROS3380.0[m]DCPETROS3390.0[m]DCPETROS3400.0[m]DCPETROS3409.0[m]DCPETROS3417.0[m]DCPETROS3418.0[m]DCPETROS3436.0[m]DCPETROS3445.0[m]DCPETROS3454.0[m]DCPETROS3463.0[m]DCPETROS3472.0[m]DCPETROS3481.0[m]DCPETROS3490.0[m]DCPETROS3499.0[m]DCPETROS3508.0[m]DCPETROS3517.0[m]DCPETROS3526.0[m]DCPETROS3535.0[m]DCPETROS3544.0[m]DCPETROS3553.0[m]DCPETROS3562.0[m]DCPETROS3571.0[m]DCPETROS3575.0[m]CPETROS3581.3[m]CPETROS3585.0[m]CPETROS3590.4[m]CPETROS3595.6[m]CPETROS3597.3[m]CPETROS3605.0[m]CPETROS3619.1[m]CPETROS3619.8[m]CPETROS3620.2[m]CPETROS3621.7[m]CPETROS3623.4[m]CPETROS3628.5[m]CPETROS3634.0[m]DCPETROS3643.0[m]DCPETROS3652.0[m]DCPETROS3661.0[m]DCPETROS3670.0[m]DCPETROS3679.0[m]DCPETROS3688.0[m]DCPETROS3697.0[m]DCPETROS3706.0[m]DCPETROS3715.0[m]DCPETROS3724.0[m]DCPETROS3733.0[m]DCPETROS3742.0[m]DCPETROS3751.0[m]DCPETROS3760.0[m]DCPETROS3769.0[m]DCPETROS3778.0[m]DCPETROS3787.0[m]DCPETROS3796.0[m]DCPETROS3805.0[m]DCPETROS3814.0[m]DCPETROS3823.0[m]DCPETROS3832.0[m]DCPETROS3841.0[m]DCPETROS3850.0[m]DCPETROS3859.0[m]DCPETROS3868.0[m]DCPETROS3877.0[m]DCPETROS3886.0[m]DCPETROS3895.0[m]DCPETROS3904.0[m]DCPETROS3913.0[m]DCPETROS3922.0[m]DCPETROS3931.0[m]DCPETROS3940.0[m]DCPETROS3949.0[m]DCPETROS3958.0[m]DCPETROS3967.0[m]DCPETROS3976.0[m]DCPETROS3985.0[m]DCPETROS3994.0[m]DCPETROS3997.4[m]CPETROS4000.7[m]CPETROS4003.4[m]CPETROS4003.9[m]CPETROS4007.3[m]CPETROS4012.5[m]CPETROS4019.5[m]CPETROS4025.5[m]CPETROS4033.5[m]CPETROS4037.0[m]CPETROS4039.0[m]DCPETROS4048.0[m]DCPETROS4057.0[m]DCPETROS4066.0[m]DCPETROS4075.0[m]DCPETROS4079.0[m]DCPETROS