7122/7-1
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Generell informasjon
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Brønnhistorie
GeneralWell 7122/7-1 was drilled as an exploration well on the Goliat prospect situated in the southeastern part of block 7122/7. The purpose of the well was to test the hydrocarbon potential of the sandstones of the Kapp Toscana Group in the Goliat prospect. The Goliat prospect is a faulted structural closure in the crestal part of a major Northeast-southwest trending roll-over anticline situated in the southeastern part of the Hammerfest Basin.Operations and resultsExploration well 7122/7-1 was spudded on 16 September 2000 with the semi-submersible installation "Transocean Arctic" and drilled to TD at 1524 m RKB, 148 m into the Middle-Late Triassic Snadd Sandstone Formation. The well was drilled with Seawater and bentonite hi-vis pills down to 690 m, and with formate brine / XC polymer / PAC from 690 m to TD. The top of the main reservoir in the Kapp Toscana Group was found at 1102 m, 1 m below the prognosis. The reservoir was oil bearing. Free water level was found at 1146 m RKB based on the MDT pressure plot. Below this depth shows were moderate to poor. The Kapp Toscana Group proved very variable reservoir properties. Three cores were cut in the interval 1133 to 1178 m in the Kapp Toscana Group. The reservoir oil zone was sampled at 3 different depths by MDT sampling. Three monophasic bottom samples were collected together with one conventional bottom sample at each depth. The samples were transferred to Single-phase bottles at the rig site and transported to the PVT lab for analysis. The well was permanently abandoned on 5 October 2000 as an oil 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]700.001524.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet11133.01133.9[m ]21136.01151.0[m ]31151.01178.5[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]43.4Borekjerner i Sokkeldirektoratet Kjerner tilgjengelig for prøvetaking?YES -
Kjernebilder
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Oljeprøver i Sokkeldirektoratet
Oljeprøver i Sokkeldirektoratet Test typeFlaske nummerTopp dyp
MD [m]Bunn dyp
MD [m]Væske typeTest tidspunktPrøver tilgjengeligDSTMDT-11114.400.00OIL30.09.2000 - 21:00YES -
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 formasjonstestCONDUCTOR30478.036481.00.00LOTSURF.COND.20680.026688.01.56LOTINTERM.9 5/81056.012 1/41063.02.27LOTOPEN HOLE1524.08 1/21524.00.00LOT -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]CMR10701170FMI7 DSI10571524HALS PEX10571524MDT11021233MDT12330MSCT10701236MWD MPR - GR DIR RES483690MWD MPR - GR DIR RES10631523MWD MPR - GR DIR RES SONIC6931063VSP4061460 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet405473473586586635635984102210881102110211251202 -
Spleisede logger
Spleisede logger Dokument navnDokument formatDokument størrelse [KB]pdf0.18 -
Geokjemisk informasjon
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Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokument størrelse [KB].pdf1.33.PDF1.94 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling4251.0619.0SW/BENTONITE9101.0616.0SW/BENTONITE9301.308.0FORMATE/POLYMER9351.258.0FORMATE10631.3010.0FORMATE/POLYMER11091.2611.0FORMATE11331.3011.0FORMATE/POLYMER11511.3010.0FORMATE/POLYMER14181.2617.0FORMATE14861.3110.0FORMATE/POLYMER15241.3110.0FORMATE/POLYMER