6506/11-6
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Generell informasjon
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Brønnhistorie
GeneralWell 6506/11-6 was drilled on a structure on the northern segment of the Kristin Discovery, ca 5 km west of the southern part of the Smørbukk Discovery offshore Mid Norway. The main objective was to evaluate and appraise the hydrocarbon potential of the Middle Jurassic Garn and Ile Formations.Operations and resultsAppraisal well 6506/11-6 was spudded with the semi-submersible installation Deepsea Bergen on 24 February 1998 and drilled to TD at 5275 m in Early Jurassic sediments of the Åre Formation. The well was drilled with bentonite spud mud down to 1412 m, with Glydril mud from 1412 m to 2739 m, and with Versapro oil based mud from 2739 m to TD.The well proved gas/condensate in the Garn and Ile Formations. Isolated shows were recorded on sidewall cores at 3563 m (Lysing Formation) and at 4517 m (Lange Formation), both in thin sandstone stringers. Shows were recorded from top of the Garn Formation sand reservoir at 4645 m to the top of the Upper Ror Formation at 4891 m (MWD depth, correspond to 4896 m loggers depth). Shows were also observed from 4952 to 4980 m (MWD depth) in the Tofte Formation, but these are probably a result of mud invasion. Ten conventional cores were cut in the interval 4652 m to 5125 m in the Middle to Early Jurassic, recovering a total of 297 m of core from the Garn, Not, Ile, Upper Ror, Tofte and Tilje Formations. Several runs with the Schlumberger MDT tool were performed. Pressure points and sampling were attempted in the Lysing and Lange sands, but with no success due to poor reservoir quality. Formation pressure measurements and fluid samples (gas and water) were collected in the Garn, Ile, Tofte and Tilje Formations. For the Åre Formation pressure measurements were achieved but no cores or fluid samples were taken.The well was permanently abandoned on 22 August 1998 as a gas and condensate appraisal well on the Kristin Discovery.TestingThree tests were performed, one in the Ile Formation and two in the Garn Formation.DST 1 in the Ile Formation tested the interval 4839.2 m - 4849.2 m and produced 568000 Sm3 gas and 557 Sm3 condensate pr day on a 36/64" choke. The measured down hole DST temperature was 172.6 deg C.DST2 in the Garn Formation tested the interval 4695 m to 4736.7 m and produced 78000 Sm3 gas and 105 Sm3 condensate pr day on a 12/64" choke. The measured down hole DST temperature was 162.8 deg C.DST3 in the Garn Formation tested the interval 4649.4 m to 4668.3 m and produced 533000 Sm3 gas and 770 Sm3 condensate pr day on a 36/64" choke. The measured down hole DST temperature was 167.7 deg C.Both wire line bottom hole temperatures and DST temperatures were recorded in this well. The wire line data from the final logging gave a Horner corrected temperature at final well TD of 173 deg C. The temperature data from well testing is believed to be the most reliable, but for all of the tests there were quite large pressure draw down and this reduces the quality of the evaluated temperature. DST 2 measurement had the largest pressure drop and lowest flow rate, and data from this test is considered the least reliable. At these high temperature and pressures Joule Thompson effects are assumed to give ca 7 deg C temperature increase in the flowing DST 1 and 3 well bore fluids compared to the true formation temperature. -
Borekaks i Sokkeldirektoratet
Borekaks i Sokkeldirektoratet Borekaks tilgjengelig for prøvetaking?YESBorekaks i Sokkeldirektoratet Borekaksprøve, topp dybde [m]Borekaksprøve, bunn dybde [m]1420.005275.00 -
Borekjerner i Sokkeldirektoratet
Borekjerner i Sokkeldirektoratet Kjerneprøve nummerKjerneprøve - topp dybdeKjerneprøve - bunn dybdeKjerneprøve dybde - enhet14652.04661.3[m ]24661.34688.5[m ]34688.54710.9[m ]44711.04738.0[m ]54738.04792.8[m ]64813.04836.8[m ]74837.04858.0[m ]84858.04913.6[m ]94952.04980.8[m ]105098.05125.2[m ]Borekjerner i Sokkeldirektoratet Total kjerneprøve lengde [m]297.1Borekjerner 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 tilgjengeligDSTDST14849.004839.0006.07.1998 - 08:15YESDSTTEST24737.004695.00CONDENSATE21.07.1998 - 01:12YESDSTTEST34669.004651.00CONDENSATEYES -
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 formasjonstestCONDUCTOR30463.036464.00.00LOTSURF.COND.201402.0261403.01.69LOTINTERM.13 3/82730.017 1/22730.02.00LOTINTERM.9 7/84493.012 1/44494.02.18LOTLINER75275.08 1/25275.00.00LOT -
Borestrengtester (DST)
Borestrengtester (DST) Test nummerFra dybde MD
[m]Til dybde MD
[m]Reduksjonsventil størrelse
[mm]1.04839484914.32.0469547364.73.04649466814.3Borestrengtester (DST) Test nummerEndelig avstengningstrykk
[MPa]Endelig strømningstrykk
[MPa]Bunnhullstrykk
[MPa]Borehullstemperatur
[°C]1.01722.01633.0168Borestrengtester (DST) Test nummerOlje produksjon
[Sm3/dag]Gass produksjon
[Sm3/dag]Oljetetthet
[g/cm3]Gasstyngde rel. luftGOR
[m3/m3]1.05575680000.7890.71510192.0105780000.7950.7157433.07705330000.7950.715692 -
Logger
Logger Type loggTopp dyp for logg [m]Bunn dyp for logg [m]AIT DSI GR10192917CMR IPLT46115000DITE DSI GR45005275IPL GR LEH-Q27304400LDT CNT GR45005275LDT CNT GR AMS44954666MDT45194666MDT46524960MDT46524885MDT GR34324421MDT GR46664888MDT GR47494958MDT GR49595251MWD - DPR RAW4032739MWD - MPR MDP27425275OBDT GR28505275PEX HALS DSI14002730SWC27664497SWC28984497SWC45175274VSP17505235 -
Litostratigrafi
Litostratigrafi Topp Dyb [mMD RKB]Litostrat. enhet403403151219401940226022602360240624062600276035373537357143994458463446344651465147694817489648964945507850805260 -
Spleisede logger
Spleisede logger Dokument navnDokument formatDokument størrelse [KB]pdf0.69 -
Geokjemisk informasjon
Geokjemisk informasjon Dokument navnDokument formatDokument størrelse [KB]pdf3.65 -
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk)
Dokumenter – rapportert av utvinningstillatelsen (frigitt ihht til regelverk) Dokument navnDokument formatDokument størrelse [KB].pdf4.71.pdf37.84 -
Boreslam
Boreslam Dybde MD [m]Egenvekt, slam [g/cm3]Viskositet, slam [mPa.s]Flytegrense [Pa]Type slamDato, måling13001.20BENTONITE/FW14121.2034.0BENTONITE/FW21851.6438.0GLYDRILL27391.6642.0GLYDRILL28391.6431.0VERSAPRO36851.7548.0VERSAPRO42901.8054.0VERSAPRO46432.0657.0VERSAPRO46482.0263.0VERSAPRO46952.0671.0VERSAPRO48372.0260.0VERSAPRO49802.0264.0VERSAPRO52752.0255.0VERSAPRO -
Palynologiske preparater i Sokkeldirektoratet
Palynologiske preparater i Sokkeldirektoratet Prøve dybdeDybde enhetPrøve typeLaboratorie1420.0[m]DCRRI1440.0[m]DCRRI1460.0[m]DCRRI1480.0[m]DCRRI1500.0[m]DCRRI1520.0[m]DCRRI1540.0[m]DCRRI1560.0[m]DCRRI1580.0[m]DCRRI1600.0[m]DCRRI1620.0[m]DCRRI1640.0[m]DCRRI1660.0[m]DCRRI1680.0[m]DCRRI1700.0[m]DCRRI1720.0[m]DCRRI1740.0[m]DCRRI1760.0[m]DCRRI1780.0[m]DCRRI1800.0[m]DCRRI1820.0[m]DCRRI1840.0[m]DCRRI1860.0[m]DCRRI1880.0[m]DCRRI1900.0[m]DCRRI1920.0[m]DCRRI1940.0[m]DCRRI1960.0[m]DCRRI1980.0[m]DCRRI2000.0[m]DCRRI2020.0[m]DCRRI2040.0[m]DCRRI2060.0[m]DCRRI2080.0[m]DCRRI2100.0[m]DCRRI2120.0[m]DCRRI2140.0[m]DCRRI2160.0[m]DCRRI2180.0[m]DCRRI2200.0[m]DCRRI2220.0[m]DCRRI2240.0[m]DCRRI2260.0[m]DCRRI2280.0[m]DCRRI2300.0[m]DCRRI2320.0[m]DCRRI2340.0[m]DCRRI2360.0[m]DCRRI2380.0[m]DCRRI2400.0[m]DCRRI2420.0[m]DCRRI2440.0[m]DCRRI2480.0[m]DCRRI2500.0[m]DCRRI2520.0[m]DCRRI2540.0[m]DCRRI2560.0[m]DCRRI2600.0[m]DCRRI2620.0[m]DCRRI2640.0[m]DCRRI2660.0[m]DCRRI2680.0[m]DCRRI2700.0[m]DCRRI2720.0[m]DCRRI2740.0[m]DCRRI2780.0[m]DCRRI2800.0[m]DCRRI2840.0[m]DCRRI2860.0[m]DCRRI2880.0[m]DCRRI2900.0[m]DCRRI2920.0[m]DCRRI2940.0[m]DCRRI2960.0[m]DCRRI2980.0[m]DCRRI3000.0[m]DCRRI3020.0[m]DCRRI3040.0[m]DCRRI3060.0[m]DCRRI3080.0[m]DCRRI3100.0[m]DCRRI3120.0[m]DCRRI3140.0[m]DCRRI3160.0[m]DCRRI3180.0[m]DCRRI3210.0[m]DCRRI3220.0[m]DCRRI3240.0[m]DCRRI3260.0[m]DCRRI3280.0[m]DCRRI3300.0[m]DCRRI3320.0[m]DCRRI3340.0[m]DCRRI3360.0[m]DCRRI3380.0[m]DCRRI3400.0[m]DCRRI3420.0[m]DCRRI3440.0[m]DCRRI3460.0[m]DCRRI3480.0[m]DCRRI3500.0[m]DCRRI3520.0[m]DCRRI3540.0[m]DCRRI3580.0[m]DCRRI3600.0[m]DCRRI3620.0[m]DCRRI3640.0[m]DCRRI3660.0[m]DCRRI3685.0[m]DCRRI3700.0[m]DCRRI3720.0[m]DCRRI3760.0[m]DCRRI3780.0[m]DCRRI3800.0[m]DCRRI3820.0[m]DCRRI3840.0[m]DCRRI3860.0[m]DCRRI3880.0[m]DCRRI3900.0[m]DCRRI3910.0[m]DCRRI3930.0[m]DCRRI3945.0[m]DCRRI3980.0[m]DCRRI4000.0[m]DCRRI4020.0[m]DCRRI4040.0[m]DCRRI4060.0[m]DCRRI4080.0[m]DCRRI4100.0[m]DCRRI4120.0[m]DCRRI4140.0[m]DCRRI4160.0[m]DCRRI4180.0[m]DCRRI4220.0[m]DCRRI4260.0[m]DCRRI4300.0[m]DCRRI4320.0[m]DCRRI4340.0[m]DCRRI4380.0[m]DCRRI4400.0[m]DCRRI4420.0[m]DCRRI4460.0[m]DCRRI4470.0[m]DCRRI4480.0[m]DCRRI4490.0[m]DCRRI4500.0[m]DCRRI4527.0[m]DCRRI4536.0[m]DCRRI4545.0[m]DCRRI4554.0[m]DCRRI4563.0[m]DCRRI4572.0[m]DCRRI4581.0[m]DCRRI4590.0[m]DCRRI4599.0[m]DCRRI4605.0[m]DCRRI4608.0[m]DCRRI4626.0[m]DCRRI4635.0[m]DCRRI4678.0[m]CRRI4684.0[m]CRRI4694.0[m]CRRI4709.0[m]CRRI4719.0[m]CRRI4739.0[m]CRRI4743.0[m]CRRI4764.0[m]CRRI4767.0[m]CRRI4773.0[m]CRRI4779.0[m]CRRI4788.0[m]CRRI4790.0[m]CRRI4809.0[m]DCRRI4815.0[m]CRRI4821.0[m]CRRI4827.0[m]CRRI4833.0[m]CRRI4838.0[m]CRRI4844.0[m]CRRI4850.0[m]CRRI4858.0[m]CRRI4864.0[m]CRRI4869.0[m]CRRI4883.0[m]CRRI4890.0[m]CRRI4893.0[m]CRRI4902.0[m]CRRI4905.0[m]CRRI4913.0[m]CRRI4955.0[m]CRRI4958.0[m]CRRI4965.0[m]CRRI4977.0[m]CRRI4980.0[m]CRRI5022.0[m]DCRRI5034.0[m]DCRRI5046.0[m]DCRRI5058.0[m]DCRRI5064.0[m]DCRRI5070.0[m]DCRRI5082.0[m]DCRRI5094.0[m]DCRRI5101.0[m]CRRI5106.0[m]CRRI5110.0[m]CRRI5116.0[m]CRRI5121.0[m]CRRI5122.0[m]CRRI5127.0[m]DCRRI5133.0[m]DCRRI5151.0[m]DCRRI5157.0[m]DCRRI5163.0[m]DCRRI5169.0[m]DCRRI5175.0[m]DCRRI5181.0[m]DCRRI5187.0[m]DCRRI5199.0[m]DCRRI5205.0[m]DCRRI5211.0[m]DCRRI5217.0[m]DCRRI5223.0[m]DCRRI5229.0[m]DCRRI5235.0[m]DCRRI5241.0[m]DCRRI5247.0[m]DCRRI5253.0[m]DCRRI5259.0[m]DCRRI5265.0[m]DCRRI5268.0[m]DCRRI