SLEIPNER VEST
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General information
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Picture
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Discoveries included
Discoveries included Discovery name -
Activity status — history
Activity status — history StatusStatus fromStatus toProducing29.08.1996Approved for production14.12.199228.08.1996 -
Located in
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PDO – Plan for Development and Operations
PDO – Plan for Development and Operations Date PDO approvedDescriptionType14.12.1992Behandlet i StortingetPDOFrida KahloPDO Exemption -
Ownership — full history
Ownership — full history Owner kindOwner nameOwnership from dateOwnership to dateBUSINESS ARRANGEMENT AREA01.07.1994PRODUCTION LICENSE14.12.199230.06.1994 -
Operatorship — full history
Operatorship — full history Company nameOperatorship fromOperatorship to16.05.201801.11.200915.05.201801.01.200931.10.200901.10.200731.12.200810.05.200130.09.200714.12.199209.05.2001 -
Licensees — full history
Licensees — full history Company nameNation codeCompany share [%]Date licensee fromDate licensee toNO58.34944025.09.2024NO24.41120025.09.2024NO17.23936025.09.2024NO58.34944018.06.202424.09.2024NO24.41120018.06.202424.09.2024NO17.23936018.06.202424.09.2024NO58.34944023.01.202417.06.2024NO17.23936023.01.202417.06.2024NO15.00000023.01.202417.06.2024NO9.41120023.01.202417.06.2024NO58.34944002.05.202322.01.2024NO17.23936002.05.202322.01.2024NO15.00000002.05.202322.01.2024NO9.41120002.05.202322.01.2024NO58.34944028.01.202201.05.2023NO17.23936028.01.202201.05.2023NO15.00000028.01.202201.05.2023NO9.41120028.01.202201.05.2023NO58.34944010.12.201927.01.2022NO17.23936010.12.201927.01.2022NO15.00000010.12.201927.01.2022NO9.41120010.12.201927.01.2022NO58.34944016.05.201809.12.2019NO17.23936016.05.201809.12.2019NO15.00000016.05.201809.12.2019NO9.41120016.05.201809.12.2019NO58.34944021.12.201615.05.2018NO17.23936021.12.201615.05.2018NO15.00000021.12.201615.05.2018NO9.41120021.12.201615.05.2018NO58.34944031.12.201520.12.2016NO17.23936031.12.201520.12.2016NO15.00000031.12.201520.12.2016NO9.41120031.12.201520.12.2016NO58.34944001.11.200930.12.2015NO32.23936001.11.200930.12.2015NO9.41120001.11.200930.12.2015NO58.34944001.01.200931.10.2009NO32.23936001.01.200931.10.2009NO9.41120001.01.200931.10.2009NO49.50291001.10.200731.12.2008NO32.23936001.10.200731.12.2008NO9.41120001.10.200731.12.2008NO8.84653001.10.200731.12.2008NO49.50291001.01.200730.09.2007NO32.23936001.01.200730.09.2007NO9.41120001.01.200730.09.2007NO8.84653001.01.200730.09.2007NO49.50291001.10.200431.12.2006NO32.23936001.10.200431.12.2006NO9.41120001.10.200431.12.2006NO8.84653001.10.200431.12.2006NO49.50291006.05.200330.09.2004NO32.23936006.05.200330.09.2004NO9.41120006.05.200330.09.2004NO8.84653006.05.200330.09.2004NO49.50291001.06.200105.05.2003NO32.23936001.06.200105.05.2003NO9.41120001.06.200105.05.2003NO8.84653001.06.200105.05.2003NO32.37453010.05.200131.05.2001NO32.23936010.05.200131.05.2001NO17.12838010.05.200131.05.2001NO9.41120010.05.200131.05.2001NO8.84653010.05.200131.05.2001NO49.50291024.07.200009.05.2001NO32.23936024.07.200009.05.2001NO9.41120024.07.200009.05.2001NO8.84653024.07.200009.05.2001NO49.50291001.01.199823.07.2000NO32.23936001.01.199823.07.2000NO9.41120001.01.199823.07.2000NO8.84653001.01.199823.07.2000NO49.50291001.07.199431.12.1997NO32.23936001.07.199431.12.1997NO8.84653001.07.199431.12.1997NO8.47008001.07.199431.12.1997NO0.94112001.07.199431.12.1997NO52.60000015.01.199330.06.1994NO28.00000015.01.199330.06.1994NO9.40000015.01.199330.06.1994NO9.00000015.01.199330.06.1994NO1.00000015.01.199330.06.1994NO49.60000014.12.199214.01.1993NO30.40000014.12.199214.01.1993NO10.00000014.12.199214.01.1993NO9.00000014.12.199214.01.1993NO1.00000014.12.199214.01.1993 -
Description
Description TypeTextDate updatedDevelopmentSleipner Vest is a field in the central part of the North Sea, 12 km west of Sleipner Øst. The water depth is 110 metres. Sleipner Vest was discovered in 1974, and the plan for development and operation (PDO) was approved in 1992. The field is developed with two platforms: the normally unmanned wellhead platform Sleipner B, which is remotely operated from the Sleipner A facility on the Sleipner Øst field, and the gas treatment platform Sleipner T, connected by a bridge to Sleipner A. The production started in 1996.14.12.2023ReservoirSleipner Vest produces gas and condensate mainly from Middle Jurassic sandstone in the Hugin Formation. Minor hydrocarbon volumes occur locally in the Sleipner Formation. The reservoir is at a depth of 3450 metres and is highly segmented. Faults in the field are generally not sealing and communication between the sand deposits is good.14.12.2023Recovery strategyThe field is produced by pressure depletion. CO2 is removed from the gas and injected for storage in the Utsira Formation.14.12.2023TransportThe well stream is sent to the Sleipner A facility for processing. Sales gas is exported from Sleipner A via Gassled (Area D) to the market. Unstable condensate is transported in a pipeline to the Kårstø terminal.28.02.2023StatusSleipner Vest is in the middle of the tail production phase. Drilling targets are being evaluated for a drilling campaign in 2024/2025. To increase the production from the field, the inlet pressure at Sleipner T has been reduced and is planned to be reduced further in the coming years.14.12.2023 -
Investments (expected)
Investments (expected) The operator's future investments related to the reserves from 2023 [mill NOK 2023-kroner]. The stated investment estimate has not been corrected for possible investment sharing.3555 -
Investments (historical)
Investments (historical) Investments
[mill NOK nominal values]Sum25699202213620215632020131201922201833420176122016154201515420141462013125201214620114382010152820099052008152620076792006219200564200414992003129920026762001391200075219995521998659199775819962725199538361994341819939551992282199115 -
Production , saleable
Production , saleable MonthNet - oil
[mill Sm3]Net - gas
[bill Sm3]Net - condensate
[mill Sm3]Net - NGL
[mill Sm3]Net - oil equivalents
[mill Sm3]Sum5.65328533.90871029.66207319.79290889.0169760.2152091.2778750.0000000.0702771.5633610.2980441.9125300.0000000.0892122.2997860.2049831.3124020.0000000.0615251.5789100.3106811.8218790.0000000.2094032.3419630.4292502.2944550.0000000.3392463.0629510.5240582.8190790.0000000.3983563.7414930.6892203.1609500.0000000.4318644.2820340.7362793.4473910.0000000.3878214.5714910.7699953.6202090.0000000.3895684.7797720.8255874.0778880.0000000.5263875.4298620.6499793.1687600.2200450.5862094.6249930.0000000.0000001.0563950.7591641.8155590.0000000.0000001.3300140.8874442.2174580.0000000.0000001.4554240.9701502.4255740.0000000.0000001.0468270.7639771.8108040.0000000.0000001.2413940.8416132.0830070.0000000.0000001.2672940.7112091.9785030.0000000.0000001.5986610.8786782.4773390.0000000.0000001.5918020.9073712.4991730.0000000.0000001.7778700.9142972.6921670.0000000.0000001.4855080.8813542.3668620.0000000.0000001.7920951.0783602.8704550.0000000.0000001.9877271.3414723.3291990.0000000.0000002.1504841.3633613.5138450.0000000.0000002.2621161.0686093.3307250.0000003.1002872.3788971.0838076.5629910.0000001.4528392.2602310.8648154.5778850.0000000.4421662.2622140.7804093.4847890.0000000.0000000.4970750.2069500.704025 -
Production , sum wellbores
Production , sum wellbores MonthGross - oil
[mill Sm3]Gross - gas
[bill Sm3]Gross - condensate
[mill Sm3]Gross - oil equivalents
[mill Sm3]Sum0.000000159.85397158.318101218.1720720.0000001.3657900.3293361.6951260.0000002.0498410.4814302.5312710.0000001.4473470.3277931.7751400.0000002.0214420.5892222.6106640.0000002.5985360.8693753.4679110.0000003.1377171.0766754.2143920.0000003.5405621.2718194.8123810.0000003.8349621.3264895.1614510.0000004.0818751.2985295.3804040.0000004.5955621.5215166.1170780.0000004.7665991.6288836.3954820.0000005.7012451.9953967.6966410.0000006.4997352.3996688.8994030.0000007.3647342.6103059.9750390.0000006.8083491.9852908.7936390.0000007.7812162.27399010.0552060.0000007.2452672.0969629.3422290.0000008.2648232.63273410.8975570.0000007.7313532.63859010.3699430.0000007.9201012.86130710.7814080.0000006.5736582.5212139.0948710.0000007.7834263.04935510.8327810.0000007.9627763.34406811.3068440.0000008.1928853.56522511.7581100.0000007.6542253.47260811.1268330.0000007.5501153.50081111.0509260.0000006.9884363.05768310.0461190.0000006.8324002.9317799.7641790.0000001.5589940.6600502.219044 -
Production – charts
Production – charts Production – charts Production – charts Production – charts Production – charts Production – charts Any produced water is only included after 1.1.2000 -
Wellbores – exploration
Wellbores – exploration Wellbore nameEntered dateCompleted datePurposeStatusContent05.09.197419.12.1974WILDCATP&AGAS/CONDENSATE10.10.197729.11.1977APPRAISALP&ASHOWS01.04.198209.06.1982APPRAISALP&AGAS/CONDENSATE24.02.197730.05.1977APPRAISALP&AOIL/GAS12.04.197817.06.1978APPRAISALP&AGAS/CONDENSATE17.12.197803.04.1979APPRAISALP&ASHOWS04.04.197914.06.1979APPRAISALP&AGAS/CONDENSATE19.11.197911.04.1980APPRAISALP&AGAS/CONDENSATE07.05.198007.09.1980APPRAISALP&ADRY26.12.198029.04.1981APPRAISALP&AGAS/CONDENSATE05.03.198125.05.1981APPRAISALP&AGAS/CONDENSATE22.11.198127.02.1982APPRAISALSUSPENDEDGAS/CONDENSATE29.03.198227.04.1982APPRAISALP&AGAS/CONDENSATE23.03.199823.05.1998APPRAISALP&ASHOWS -
Wellbores – development
Wellbores – development Wellbore nameEntered dateCompleted datePurposeContent16.07.200902.11.2009PRODUCTIONGAS/CONDENSATE24.11.200901.03.2010PRODUCTIONGAS/CONDENSATE27.01.200024.02.2000PRODUCTIONGAS02.07.199726.11.1997PRODUCTIONGAS22.10.201711.12.2017PRODUCTIONGAS/CONDENSATE26.11.199528.01.1996PRODUCTIONGAS/CONDENSATE05.02.199625.03.1996PRODUCTIONGAS28.03.199608.06.1996PRODUCTIONGAS30.03.201026.06.2010OBSERVATIONNOT APPLICABLE27.10.201002.12.2010OBSERVATIONNOT APPLICABLE07.12.201025.12.2010OBSERVATIONNOT APPLICABLE28.12.201020.01.2011OBSERVATIONNOT APPLICABLE22.01.201103.02.2011PRODUCTIONGAS02.09.199517.10.1995PRODUCTIONGAS15.03.199830.06.1998PRODUCTIONGAS13.05.200012.08.2000PRODUCTIONNOT APPLICABLE30.08.199607.12.1996PRODUCTIONGASPRODUCTION23.10.199523.11.1995PRODUCTIONGAS02.01.201818.01.2018PRODUCTIONGAS/CONDENSATE23.04.199720.06.1997PRODUCTIONGAS/CONDENSATE28.01.199919.06.1999PRODUCTIONGAS15.09.201707.10.2017PRODUCTIONGAS/CONDENSATE07.03.200029.03.2000PRODUCTIONGAS01.12.199730.10.1998PRODUCTIONGAS02.12.199810.01.1999PRODUCTIONGAS29.12.199626.03.1997PRODUCTIONGAS31.08.200326.10.2003PRODUCTIONGAS26.08.200313.12.2003PRODUCTIONGAS19.08.200306.11.2003PRODUCTIONGAS01.02.200419.03.2004PRODUCTIONGAS15.11.202115.12.2021PRODUCTIONGAS -
Wellbores – other
Wellbores – other Wellbore nameEntered dateCompleted datePurposeStatus