6407/10-4
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Generell informasjon
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Brønnhistorie
Wellbore historyGeneralWell 6407/10-4 was drilled on the Frøya High in the Norwegian Sea. The primary objective was to test Late Jurassic Rogn Formation sandstone in the Lorry Prospect. The secondary objective was to test carbonate rocks in the underlying Permian Broker Lead.Operations and resultsWildcat well 6407/10-4 was spudded with the semi-submersible installation Island Innovator on 13 November 2015 and drilled to TD at 3224 m in metamorphic sandstone. Due to bad weather operations suffered 21.2 days WOW, otherwise no significant problem was encountered. The well was drilled with seawater and hi-vis pills down to 740 m and with Aquadril mud from 740 m to TD.The well did not encounter reservoir rocks in the primary or secondary exploration targets: no Rogn Formation or Permian carbonates were present. However, the well did encounter about 780 metres of sandstones within the Triassic Grey Beds and Red Beds, with poor to moderate reservoir quality. Residual hydrocarbons were identified in sidewall cores at 2390.2 and 2392.2 m and in the cored section between 2399.8 m and 2400.5 m. These shows are confirmed by post-well organic geochemical analyses as migrated hydrocarbons.One core was cut from 2399.7 to 2417.5 m in the Grey Beds. No fluid sample was taken.The well was permanently abandoned on 19 January 2016 as a dry 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]750.003225.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet12399.72417.4[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]17.7Borekjerner 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 formasjonstestCONDUCTOR30430.536435.00.00SURF.COND.20732.226740.01.56LOTPILOT HOLE740.09 7/8740.00.00INTERM.13 3/81401.417 1/21408.00.001413.01413.01.75LOTINTERM.9 5/82270.512 1/42278.01.74LOTOPEN HOLE3224.08 1/23224.00.00 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]FMI MSIP22703219MWD - GR PWD RES DIR SON413737MWD - GR RES PWD DIR740745MWD - PWD DIR413737MWD - PWD GR DIR367420MWD - RES GR PWD CAL DEN NEU AC14083224MWD - RES GR PWD DIR AC7161408XLROCK GR23903206XPT HRLA PEX HNGS22703211 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet36536584510461046155215521681177117711842192323492349236823792379239025003169 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling3651.4013.0Water Based3651.041.0Water Based4371.5016.0Water Based7401.4015.0Water Based7401.2511.0Spud Mud10161.3516.0Water Based10751.4017.0Water Based14081.5211.0Water Based14081.4019.0Water Based22781.4819.0Water Based22781.5217.0Water Based23991.4814.0Water Based27211.4815.0Water Based31631.4814.0Water Based32241.4816.0Water Based