6407/1-7
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Generell informasjon
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Brønnhistorie
GeneralWell 6407/1-7 was drilled to test the Solberg prospect in the southern part of the Grinda Graben in the Norwegian Sea. The Solberg prospect was seen as a possible continuation of the 6407/1-6 S Rodrigues Lange discovery to the East. The main objective of the 6407/1-7 Solberg well was to appraise and evaluate the continuation and reservoir properties of the hydrocarbon-filled Intra Lange Sandstones, as penetrated by 6407/1-6 S Rodriguez well, which is located ca 5 km to the west.Operations and resultsWell 6407/1-7 was spudded with the semi-submersible installation Borgland Dolphin on 1 February 2014 and drilled to TD at 3376 m in the Early Cretaceous Lange Formation. No significant problem was encountered in the operations. The well was drilled with seawater and sweeps down to 510 m, with Aquadrill mud from 510 m to 1689 m, with Carbosea oil based mud from 1689 m to 2922 m, and with Aquadrill mud from 2922 m to TD.Well 6407/1-7 discovered gas-condensate in Lange Formation sandstones at 3221 to 3239 m. The reservoir had an average porosity of 16 % using a cut-off of 8%. The gross thickness is 18 m with a net thickness of 12 m and average water saturation of 21%. The gas-water contact is not penetrated by the well.One core was cut in the interval 3226 to 3236 m with 85% recovery. RCX fluid samples were taken at 3225.1 m (gas/condensate) and 3230.3 m (gas/condensate).The well was plugged back for sidetracking on 22 March 2014. It is classified as a gas/condensate 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]520.003375.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet13226.13234.6[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]8.5Borekjerner 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 formasjonstestCONDUCTOR30391.036391.00.00SURF.COND.20501.026510.01.32LOTPILOT HOLE510.09 7/8510.00.00INTERM.13 3/81679.017 1/21689.01.77LOTINTERM.9 5/82912.012 1/42922.02.03LOTOPEN HOLE3376.08 1/23376.00.00 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]DSL CN ZDL ORIT XMAC RTEX DMLL29123376DSL STAR ORIT UXPL32003250LWD - DIR312510LWD - GR DIR RES SON32373376LWD - GR RES DIR390510LWD - GR RES DIR SON5102922LWD - GR RES DIR SON29223226MREX FLEX32003250RCX32153227SWC32213224VSP16423376 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet312541141418251825212521252212227022702424266129742974299732213239 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling3381.3425.0Displacement Fluid3941.3421.0Displacement Fluid3941.4942.0Kill Mud3941.4942.0Kill Mud5101.3421.0Displacement Fluid5101.1611.0Aqua-drill WBM7671.2412.0Aqua-drill WBM16891.3114.0Aqua-drill WBM19461.6642.0Carbo SEA OBM25351.6748.0Carbosea OBM26161.6725.0AquaDrill29221.6644.0Carbo SEA OBM31131.6327.0AquaDrill32191.6329.0AquaDrill32261.6729.0AquaDrill33761.6724.0AquaDrill