30/11-12 A
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Generell informasjon
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Brønnhistorie
Wellbore historyGeneralWell 30/11-12 A is a geological sidetrack to 30/11-12 S, the Askja SE discovery well on the Eastern flank of the Fensal Sub-Basin in the North Sea. The well is situated two kilometres south of the 30/11-9 A (Askja East) discovery, and about 35 km southwest of the Oseberg Sør facility. The objective of 30/11-12 A was to clarify the hydrocarbon-water contact downflank on the Askja SE structure.Operations and resultsAppraisal well 30/11-12 A was kicked off at 1228 m in 30/11-12 S on 4 May 2016. It was drilled with the semi-submersible installation Songa Delta to TD at 4173 m (3638 m TVD) m in the Middle Jurassic Tarbert Formation. No significant problem was encountered in the operations. The well was drilled with XP-07 oil based mud from kick-off to TD.Top Tarbert Formation came in at 3961 m (3429 m TVD), 40 m deep to prognosis. The well, including the Tarbert Formation, was dry without shows. Valid pressure points in sands in the Tarbert Formation all lie on a common water gradient.No cores were cut. MDT water samples were taken at 3975.9 m.The well was permanently abandoned on 20 May 2016 as a dry appraisal 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]1240.004173.00 -
Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie3580.0[m]DCPETROSTR3590.0[m]DCPETROS3600.0[m]DCPETROS3610.0[m]DCPETROS3620.0[m]DCPETROS3630.0[m]DCPETROS3640.0[m]DCPETROS3650.0[m]DCPETROS3660.0[m]DCPETROS3670.0[m]DCPETROS3680.0[m]DCPETROS3690.0[m]DCPETROS3700.0[m]DCPETROS3710.0[m]DCPETROS3720.0[m]DCPETROS3730.0[m]DCPETROS3740.0[m]DCPETROS3750.0[m]DCPETROS3760.0[m]DCPETROS3770.0[m]DCPETROS3780.0[m]DCPETROS3790.0[m]DCPETROS3800.0[m]DCPETROS3810.0[m]DCPETROS3820.0[m]DCPETROS3830.0[m]DCPETROS3840.0[m]DCPETROS3848.0[m]DCPETROS3860.0[m]DCPETROS3870.0[m]DCPETROS3880.0[m]DCPETROS3890.0[m]DCPETROS3900.0[m]DCPETROS3910.0[m]DCPETROS3920.0[m]DCPETROS3930.0[m]DCPETROS3940.0[m]DCPETROS3950.0[m]DCPETROS3959.0[m]DCPETROS3962.0[m]DCPETROS3971.0[m]DCPETROS3980.0[m]DCPETROS3989.0[m]DCPETROS3998.0[m]DCPETROS4007.0[m]DCPETROS4016.0[m]DCPETROS4025.0[m]DCPETROS4034.0[m]DCPETROS4043.0[m]DCPETROS4052.0[m]DCPETROS4061.0[m]DCPETROS4070.0[m]DCPETROS4079.0[m]DCPETROS4088.0[m]DCPETROS4097.0[m]DCPETROS4106.0[m]DCPETROS4115.0[m]DCPETROS4124.0[m]DCPETROS4133.0[m]DCPETROS4142.0[m]DCPETROS4151.0[m]DCPETROS4160.0[m]DCPETROS4169.0[m]DCPETROS4173.0[m]DCPETROS -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet13941367410851459146217141771220224192419249926812821296929693348358435843654366936983698376039623962 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]AIT PEX HNGS ECS38464177MDT39714156MWD - ARCVIS GR RES APWD DIR12284173 -
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 formasjonstestCONDUCTOR30175.036176.00.001228.01228.01.57FITLINER9 5/83846.012 1/43848.01.55FITOPEN HOLE4173.08 1/24173.00.00 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling13711.4820.0XP-0717271.4824.0XP-0719711.4822.0XP-0725201.4825.0XP-0734651.4827.0XP-0738481.269.0XP-0738481.4825.0XP-0740151.2611.0XP-0741731.269.0XP-07