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Field: OSEBERG ØST

General information

Current activity status: PRODUCING
Discovery wellbore: 30/6-5
Discovery year: 1981
Discoveries included: 30/6-14
30/6-19 BETA SADEL
View large picture.

Description Norwegian

Development

Oseberg Øst is an oil field located east of Oseberg in the northern part of the North Sea. The field has been developed with anintegrated fixed facility with accommodation, drilling equipment and first stage separation of oil, water and gas. The water depth in the area is about 160 metres.

Reservoir

The main reservoir consists of two structures, separated by a sealing fault. The structures contain several oil bearing layers of Middle Jurassic sandstones in the Brent Group, with varying reservoir characteristics. The reservoir lies at a depth of 2 700 – 3 100 metres.

Recovery strategy

The field is produced by partial pressure support from both water injection and gas injection.

Transport

The oil is sent by pipeline to the Oseberg Field Centre for further processing and transport through the Oseberg Transport System (OTS) to the Sture terminal. The gas is mainly used for injection, gas lift and fuel.

Status

One challenge is to balance production with a limited availability

Activity status history

Activity status From date To date
PDO APPROVED 11.10.1996 03.05.1999
PRODUCING 03.05.1999

Current owner(s)

Business Area: OSEBERG AREA UNIT

The field extends into

Block(s) Production licence(s)
30/6 053

Current operator(s)

Company
Statoil Petroleum AS

The NPDs reserve estimates as of 31.12.2010 (Norwegian share)

Recoverable reserves Remaining reserves
Oil
[mill Sm3]		 Gas
[bill Sm3]		 NGL
[mill tonn]		 Cond.
[mill Sm3]		 Oil
[mill Sm3]		 Gas
[bill Sm3]		 NGL
[mill tonn]		 Cond.
[mill Sm3]
28.40 0.40 0.10 0.00 10.60 0.10 0.10 0.00

Net production of saleable products (Norwegian share)

NGL = butane + ethane + isobutane + propane + LPG + gasoline + NGL mix.
Condensate = Condensate.
Sm3o.e. = oil + gas + NGL + condensate.

Charts


Oil
[mill Sm3]		 Gas
[bill Sm3]		 NGL
[mill tonn]		 Cond.
[mill Sm3]		 NGL
[mill Sm3]		 Sm3o.e.
[mill]
Total per nov.2011 18.246776 0.298445 0.000000 0.000000 0.000000 18.545221
2011 0.468859 0.017976 0.000000 0.000000 0.000000 0.486835
nov.2011 0.051185 0.000969 0.000000 0.000000 0.000000 0.052154
oct.2011 0.052019 0.000988 0.000000 0.000000 0.000000 0.053007
sep.2011 0.044887 0.009913 0.000000 0.000000 0.000000 0.054800
aug.2011 0.046604 0.000864 0.000000 0.000000 0.000000 0.047468
jul.2011 0.050740 0.000967 0.000000 0.000000 0.000000 0.051707
jun.2011 0.031929 0.000585 0.000000 0.000000 0.000000 0.032514
may.2011 0.025992 0.000497 0.000000 0.000000 0.000000 0.026489
apr.2011 0.045996 0.001147 0.000000 0.000000 0.000000 0.047143
mar.2011 0.060581 0.001147 0.000000 0.000000 0.000000 0.061728
feb.2011 0.037368 0.000501 0.000000 0.000000 0.000000 0.037869
jan.2011 0.021558 0.000398 0.000000 0.000000 0.000000 0.021956
2010 0.348911 0.006552 0.000000 0.000000 0.000000 0.355463
dec.2010 0.030086 0.000568 0.000000 0.000000 0.000000 0.030654
nov.2010 0.029806 0.000559 0.000000 0.000000 0.000000 0.030365
oct.2010 0.029826 0.000570 0.000000 0.000000 0.000000 0.030396
sep.2010 0.031759 0.000613 0.000000 0.000000 0.000000 0.032372
aug.2010 0.032733 0.000612 0.000000 0.000000 0.000000 0.033345
jul.2010 0.028293 0.000538 0.000000 0.000000 0.000000 0.028831
jun.2010 0.026283 0.000500 0.000000 0.000000 0.000000 0.026783
may.2010 0.032896 0.000623 0.000000 0.000000 0.000000 0.033519
apr.2010 0.015686 0.000276 0.000000 0.000000 0.000000 0.015962
mar.2010 0.035270 0.000615 0.000000 0.000000 0.000000 0.035885
feb.2010 0.025644 0.000497 0.000000 0.000000 0.000000 0.026141
jan.2010 0.030629 0.000581 0.000000 0.000000 0.000000 0.031210
2009 0.350446 0.006366 0.000000 0.000000 0.000000 0.356812
2008 0.438497 0.007884 0.000000 0.000000 0.000000 0.446381
2007 0.538855 0.019548 0.000000 0.000000 0.000000 0.558403
2006 0.663327 0.023892 0.000000 0.000000 0.000000 0.687219
2005 1.061833 0.037116 0.000000 0.000000 0.000000 1.098949
2004 1.797817 0.066582 0.000000 0.000000 0.000000 1.864399
2003 2.188210 0.081927 0.000000 0.000000 0.000000 2.270137
2002 3.112666 0.030602 0.000000 0.000000 0.000000 3.143268
2001 3.812851 0.000000 0.000000 0.000000 0.000000 3.812851
2000 2.553555 0.000000 0.000000 0.000000 0.000000 2.553555
1999 0.910949 0.000000 0.000000 0.000000 0.000000 0.910949

Gross production (Norwegian share)

Sm3o.e. = oil + gas + condensate.

Charts

Oil
[mill Sm3]		 Gas
[bill Sm3]		 Cond.
[mill Sm3]		 Sm3o.e.
[mill]		 Water
[mill Sm3]
Total per nov.2011 18.317659 2.354346 0.000000 20.672005 20.782023
2011 0.477700 0.045734 0.000000 0.523434 1.237282
nov.2011 0.051918 0.004562 0.000000 0.056480 0.121961
oct.2011 0.053454 0.004765 0.000000 0.058219 0.126002
sep.2011 0.045658 0.004084 0.000000 0.049742 0.112193
aug.2011 0.047778 0.004802 0.000000 0.052580 0.125037
jul.2011 0.051742 0.004621 0.000000 0.056363 0.133373
jun.2011 0.032504 0.003281 0.000000 0.035785 0.086812
may.2011 0.026531 0.002621 0.000000 0.029152 0.069229
apr.2011 0.046769 0.004640 0.000000 0.051409 0.111637
mar.2011 0.061546 0.006141 0.000000 0.067687 0.135719
feb.2011 0.037886 0.003855 0.000000 0.041741 0.113822
jan.2011 0.021914 0.002362 0.000000 0.024276 0.101497
2010 0.353535 0.039598 0.000000 0.393133 1.518680
dec.2010 0.030440 0.003110 0.000000 0.033550 0.137355
nov.2010 0.030182 0.003033 0.000000 0.033215 0.130435
oct.2010 0.030135 0.003087 0.000000 0.033222 0.130870
sep.2010 0.032148 0.003178 0.000000 0.035326 0.138577
aug.2010 0.033150 0.003234 0.000000 0.036384 0.142979
jul.2010 0.028817 0.002975 0.000000 0.031792 0.131027
jun.2010 0.026697 0.002709 0.000000 0.029406 0.118131
may.2010 0.033231 0.003282 0.000000 0.036513 0.151502
apr.2010 0.015944 0.001466 0.000000 0.017410 0.073977
mar.2010 0.035888 0.007384 0.000000 0.043272 0.141508
feb.2010 0.026047 0.003174 0.000000 0.029221 0.104318
jan.2010 0.030856 0.002966 0.000000 0.033822 0.118001
2009 0.355475 0.041311 0.000000 0.396786 1.251445
2008 0.445187 0.115445 0.000000 0.560632 1.888403
2007 0.536658 0.156785 0.000000 0.693443 2.576863
2006 0.660425 0.255770 0.000000 0.916195 2.503276
2005 1.057883 0.208704 0.000000 1.266587 2.769892
2004 1.809454 0.226925 0.000000 2.036379 2.990529
2003 2.204652 0.280671 0.000000 2.485323 2.218255
2002 3.123453 0.331240 0.000000 3.454693 1.488650
2001 3.820305 0.323302 0.000000 4.143607 0.331635
2000 2.559353 0.243575 0.000000 2.802928 0.007113
1999 0.913579 0.085286 0.000000 0.998865 0.000000

Exploration wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
30/6-5 1981.06.11 1981.08.15 290-L WILDCAT P&A OIL
30/6-14 1983.12.17 1984.02.08 398-L WILDCAT P&A OIL
30/6-19 1986.04.09 1986.06.21 511-L WILDCAT SUSP.REENTERED LATER OIL/GAS
30/6-19 R 1994.05.15 1994.05.25 511-L2 WILDCAT P&A OIL/GAS
30/6-22 1988.05.21 1988.07.13 578-L APPRAISAL SUSP.REENTERED LATER OIL
30/6-22 R 1994.05.27 1994.06.02 578-L2 APPRAISAL P&A OIL
30/6-23 1990.04.29 1990.07.01 634-L APPRAISAL SUSP.REENTERED LATER OIL
30/6-23 R 1993.05.16 1993.05.21 634-L2 APPRAISAL P&A OIL
8 wellbore(s)

Development wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
30/6-E-1 2000.04.02 2000.05.13 1731-P PRODUCTION PLUGGED OIL
30/6-E-1 A 2000.05.13 2000.06.02 1732-P PRODUCTION PRODUCING OIL
30/6-E-2 1999.01.13 1999.04.26 1502-P PRODUCTION PRODUCING OIL
30/6-E-3 2002.02.26 2002.04.12 2066-P PRODUCTION PLUGGED OIL
30/6-E-3 A 2002.04.13 2002.06.06 2067-P PRODUCTION CLOSED OIL
30/6-E-4 1999.07.01 1999.07.30 1600-P PRODUCTION PLUGGED OIL
30/6-E-4 A 1999.07.30 1999.09.11 1601-P PRODUCTION PLUGGED OIL
30/6-E-4 B 2008.05.26 2011.12.22 2945-P PRODUCTION SUSP.AT TD
30/6-E-5 2000.11.13 2000.11.25 1854-P PRODUCTION PLUGGED OIL
30/6-E-5 A 2000.11.25 2000.12.07 1855-P PRODUCTION PRODUCING OIL
30/6-E-6 1999.10.06 2000.01.19 1643-P INJECTION PLUGGED NOT AVAILABLE
30/6-E-6 A 2001.10.23 2001.11.15 1984-P OBSERVATION PLUGGED NOT APPLICABLE
30/6-E-6 B 2001.11.15 2001.12.20 1985-P INJECTION INJECTING WATER/GAS
30/6-E-7 2001.01.02 2001.01.26 1882-P OBSERVATION PLUGGED NOT APPLICABLE
30/6-E-7 A 2001.01.27 2001.02.20 1883-P PRODUCTION PLUGGED OIL
30/6-E-8 2000.06.05 2000.08.04 1763-P PRODUCTION PRODUCING OIL
30/6-E-9 1999.05.02 1999.06.07 1492-P INJECTION PLUGGED GAS
30/6-E-9 A 2000.09.23 2000.11.12 1839-P INJECTION INJECTING WATER
30/6-E-10 2000.08.04 2000.08.18 1791-P PRODUCTION PRODUCING WATER
30/6-E-11 2001.02.21 2001.03.12 1899-P OBSERVATION PLUGGED NOT APPLICABLE
30/6-E-11 A 2001.03.12 2001.04.22 1900-P PRODUCTION PLUGGED NOT AVAILABLE
30/6-E-11 B 2002.06.16 2002.07.02 2126-P OBSERVATION PLUGGED NOT APPLICABLE
30/6-E-11 C 2002.07.03 2002.08.03 2127-P INJECTION INJECTING GAS
30/6-E-12 2000.08.27 2000.09.30 1805-P INJECTION INJECTING WATER
30/6-E-13 1999.09.25 1999.10.04 1639-P PRODUCTION PRODUCING WATER
30/6-E-14 2000.01.21 2000.03.13 1688-P INJECTION INJECTING WATER
30/6-E-15 2001.04.24 2001.06.15 1922-P PRODUCTION PLUGGED OIL
30/6-E-15 A 2001.06.27 2001.10.05 1923-P PRODUCTION PRODUCING OIL
28 wellbore(s)

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