6506/11-11 S
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Generell informasjon
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Brønnhistorie
Operations and resultsWell 6506/11-11 S was entered with the semi-submersible Deepsea Bergen rig on 31 May 2019 and was drilled to TD at 4443 m (4432.7 m TVD) in the Early Jurassic Ror Formation. The well was drilled down to 469.5 m with seawater and high viscosity pills, from 469.5 to 1426 m with KCl Polymer mud and RMR system in place, from 1426 to 2625 m with KCl Glydril water-based mud, and from 2625 m to TD with RheGuard oil-based mud. The well was initially planned to be vertically drilled, but due to presence of corrals the location was moved approximately 80 m westwards.Top of intra-Lange (informally Breiflabb Member) sandstones was penetrated at 3912 m (3879 m TVD MSL) and was water bearing without evidence of a hydrocarbon-water contact. Further Intra-Lange Formation (informally Smørflyndre Member) came in at 3952 m (3919 m TVD MSL) and has indications of hydrocarbon presence based on log interpretation without clear hydrocarbon-water contact. The Garn Formation was penetrated at 4141 (4107 m TVD MSL) m and can be separated into three lithostratigraphic intervals. The uppermost sandstone is a good reservoir. The bioturbated silt rich sandstone sequence below this is cemented and therefore of poor reservoir quality. An older sandstone of good reservoir quality is present at the base. The reservoir is saturated with gas-condensate at initial reservoir conditions with a gas-down-to contact at 4207.6 m (4174.4 m TVD MSL). The Ile Formation was penetrated at 4209 m (4175.9 m TVD MSL) and consists of several water bearing sandstone layers of good porosity and flow capacity. Three cores were cut, all in Garn Formation retrieving 41.53 m of cores. 21 SWC plugs covering Breiflabb and Smørflyndre members and Lyr, Garn and Ile formations were successfully drilled. MDT fluid samples were taken at 4142.3 m (gas condensate), 4166 m (gas condensate), 4186.3 m (gas condensate), and 4274.9 m (water).The well was permanently plugged and abandoned on 28 October 2019 as a gas appraisal well.TestingTwo successful DSTs were performed in the Garn Formation. -
Borekaks i Sokkeldirektoratet
Borekaks i Sokkeldirektoratet Borekaks tilgjengelig for prøvetaking?YESBorekaks i Sokkeldirektoratet Borekaksprøve, topp dybde [m]Borekaksprøve, bunn dybde [m]474.004443.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet14150.04157.0[m ]24158.04172.2[m ]34173.04193.4[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]41.5Borekjerner 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 tilgjengeligDSTDST 1A4199.704190.00WATER06.09.2019 - 14:22YESDSTDST 1A4199.704190.00OIL06.09.2019 - 14:07YESDSTDST 24162.684140.34OIL28.09.2019 - 04:39YESDSTDST 24162.684140.34WATER29.09.2019 - 18:20YES -
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 formasjonstestCONDUCTOR30470.036470.00.00SURF.COND.201420.0261420.01.68FITINTERM.13 3/82618.017 1/22619.01.98LOTINTERM.9 5/83810.012 1/43820.02.15FITLINER74432.08 1/24433.00.00 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]HXPT GR42124326IS CBL VDL GR26103410IS CBL VDL GR LINER26103410LWD - ABG EWR4 DGR XBAT26253827LWD - ALD CTN EWR GM38274443LWD - EWR4 DGR XBAT4092625MDT41424274QAIT EMS PPC MSIP QGEO GR38194441VSI4 ZOVSP3884423XHPT APS LDS ECS HNGS CMR GR38194441XLR39154203XLR42334273 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet405552151619331933210121012126222122212420253531833183325439123952403041164141414142094357435743934399 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling461.4925.01.5Sg Spud / Kill Mud1101.4935.01.5Sg Spud Mud1101.2912.0KCl Polymer5091.3415.0KCl Polymer6131.3013.0KCl Polymer9531.3916.0KCl Polymer10331.2912.0KCl Polymer13141.3913.0KCl Polymer14261.3913.0KCl Polymer14261.4439.0Glydril WBM20401.6238.0Glydril WBM26251.6238.0Glydril WBM26281.6623.0Rheguard OBM26281.6445.0Rheguard OBM30301.6650.0Rheguard OBM37621.7672.0Rheguard OBM38271.7655.0Rheguard OBM38271.8424.0Rheguard OBM38971.8527.0Rheguard OBM40501.8532.0Rheguard OBM41361.9642.0Rheguard OBM41501.9643.0Rheguard OBM41501.9035.0Rheguard OBM44421.68CaBr brine44421.9139.0Rheguard OBM44421.64CaBr2 brine44431.9146.0Rheguard OBM44431.14NaCl brine44431.9170.01.92 sg OBM MW 50