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Field: STATFJORD ØST

General information

Current activity status: PRODUCING
Discovery wellbore: 33/9-7
Discovery year: 1976

Description Norwegian

Development

Statfjord Øst is an oil field located approximately 7 kilo-metres northeast of the Statfjord field in the Tampen area. The water depth in the area is 150 - 190 metres. The field has been developed with three subsea templates tied back to Statfjord C. Two of the templates are for production and one for water injection. In addition, one produc-tion well is drilled from Statfjord C.

Reservoir

The reservoir consists of Middle Jurassic sandstones belonging to the Brent Group. The reservoir depth is approximately 2 400 metres.

Recovery strategy

The field is currently being produced by pressure depletion.

Transport

The wellstream is routed through two pipelines to Statfjord C for processing, storage and export. Statfjord Øst, Sygna and Statfjord Nord have a shared process module on Statfjord C.

Status

The field is affected by pressure depletion from blow down of Statfjord. The Light Well Intervention (LWI) program was completed in 2009 - 2010 and boosted production significantly. The water injectors are shut down, and the re-evaluated drainage strategy involves no more water injection for the remaining lifetime of the field. The drilling of a new production well from Statfjord C to Statfjord Øst is being considered. Alternatively, water injection may be re-established by drilling of a new water injection well.

Activity status history

Activity status From date To date
PDO APPROVED 11.12.1990 24.09.1994
PRODUCING 24.09.1994

Current owner(s)

Business Area: STATFJORD ØST UNIT

The field extends into

Block(s) Production licence(s)
33/9 037
34/7 089

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]
36.80 3.90 2.10 0.00 1.60 0.20 0.80 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 35.591548 3.843926 1.330547 0.000000 2.583943 42.019417
2011 0.364564 0.054651 0.014149 0.000000 0.027598 0.446813
nov.2011 0.032488 0.005055 0.001418 0.000000 0.002797 0.040340
oct.2011 0.039132 0.007499 0.001986 0.000000 0.003851 0.050482
sep.2011 0.032663 0.006732 0.001758 0.000000 0.003422 0.042817
aug.2011 0.037119 0.006963 0.001953 0.000000 0.003876 0.047958
jul.2011 0.030773 0.003577 0.001035 0.000000 0.002042 0.036392
jun.2011 0.009305 0.002251 0.000714 0.000000 0.001413 0.012969
may.2011 0.034894 0.004369 0.001204 0.000000 0.002375 0.041638
apr.2011 0.036122 0.004100 0.001055 0.000000 0.002060 0.042282
mar.2011 0.037668 0.004558 0.001006 0.000000 0.001922 0.044148
feb.2011 0.034718 0.005857 0.001201 0.000000 0.002280 0.042855
jan.2011 0.039682 0.003690 0.000819 0.000000 0.001560 0.044932
2010 0.817386 0.109197 0.025065 0.000000 0.047740 0.974323
dec.2010 0.039078 0.004067 0.000905 0.000000 0.001721 0.044866
nov.2010 0.036532 0.004188 0.000990 0.000000 0.001881 0.042601
oct.2010 0.039017 0.005445 0.001141 0.000000 0.002168 0.046630
sep.2010 0.045145 0.007399 0.001627 0.000000 0.003080 0.055624
aug.2010 0.066375 0.008961 0.002137 0.000000 0.004110 0.079446
jul.2010 0.057142 0.005361 0.001472 0.000000 0.002877 0.065380
jun.2010 0.067291 0.008286 0.002060 0.000000 0.003976 0.079553
may.2010 0.085902 0.012432 0.002868 0.000000 0.005438 0.103772
apr.2010 0.100464 0.015260 0.003374 0.000000 0.006391 0.122115
mar.2010 0.105947 0.015662 0.003425 0.000000 0.006475 0.128084
feb.2010 0.087882 0.011734 0.002702 0.000000 0.005130 0.104746
jan.2010 0.086611 0.010402 0.002364 0.000000 0.004493 0.101506
2009 0.551603 0.068960 0.018117 0.000000 0.034658 0.655221
2008 0.782113 0.112746 0.040398 0.000000 0.078651 0.973510
2007 1.182621 0.311458 0.111070 0.000000 0.219236 1.713315
2006 1.135733 0.331689 0.121371 0.000000 0.238147 1.705569
2005 1.129316 0.387652 0.149162 0.000000 0.288841 1.805809
2004 1.348644 0.194237 0.076870 0.000000 0.147868 1.690749
2003 1.992392 0.242395 0.092940 0.000000 0.180738 2.415525
2002 1.917429 0.213738 0.094245 0.000000 0.194488 2.325655
2001 2.197056 0.304459 0.137988 0.000000 0.286520 2.788035
2000 2.822197 0.343819 0.118254 0.000000 0.229969 3.395985
1999 3.769093 0.278119 0.084491 0.000000 0.156183 4.203395
1998 4.235700 0.246282 0.070536 0.000000 0.129830 4.611812
1997 4.149920 0.256086 0.074326 0.000000 0.136715 4.542721
1996 3.355550 0.221182 0.057998 0.000000 0.106714 3.683446
1995 3.229365 0.135529 0.035828 0.000000 0.065835 3.430729
1994 0.610866 0.031727 0.007739 0.000000 0.014212 0.656805

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 35.476097 5.034129 0.000000 40.510226 29.704156
2011 0.364563 0.051736 0.000000 0.416299 1.696976
nov.2011 0.032488 0.004583 0.000000 0.037071 0.137705
oct.2011 0.039132 0.005557 0.000000 0.044689 0.157505
sep.2011 0.032411 0.004602 0.000000 0.037013 0.163278
aug.2011 0.037030 0.005258 0.000000 0.042288 0.212767
jul.2011 0.030773 0.004370 0.000000 0.035143 0.152926
jun.2011 0.009305 0.001321 0.000000 0.010626 0.041179
may.2011 0.034894 0.004955 0.000000 0.039849 0.162912
apr.2011 0.036122 0.005129 0.000000 0.041251 0.172183
mar.2011 0.037664 0.005348 0.000000 0.043012 0.173300
feb.2011 0.035059 0.004978 0.000000 0.040037 0.153551
jan.2011 0.039685 0.005635 0.000000 0.045320 0.169670
2010 0.812595 0.115389 0.000000 0.927984 2.239029
dec.2010 0.039078 0.005549 0.000000 0.044627 0.169982
nov.2010 0.036380 0.005166 0.000000 0.041546 0.183172
oct.2010 0.039017 0.005540 0.000000 0.044557 0.198969
sep.2010 0.045270 0.006428 0.000000 0.051698 0.192308
aug.2010 0.065795 0.009343 0.000000 0.075138 0.215661
jul.2010 0.055806 0.007925 0.000000 0.063731 0.137962
jun.2010 0.064794 0.009201 0.000000 0.073995 0.185923
may.2010 0.085811 0.012185 0.000000 0.097996 0.224494
apr.2010 0.100096 0.014214 0.000000 0.114310 0.197936
mar.2010 0.106117 0.015069 0.000000 0.121186 0.196440
feb.2010 0.087882 0.012479 0.000000 0.100361 0.171219
jan.2010 0.086549 0.012290 0.000000 0.098839 0.164963
2009 0.550556 0.078146 0.000000 0.628702 2.067822
2008 0.782552 0.111121 0.000000 0.893673 2.930184
2007 1.181798 0.167814 0.000000 1.349612 3.928221
2006 1.136529 0.161363 0.000000 1.297892 2.785122
2005 1.129316 0.160361 0.000000 1.289677 3.260892
2004 1.346636 0.190918 0.000000 1.537554 2.825086
2003 1.992215 0.282369 0.000000 2.274584 2.678855
2002 1.919440 0.271754 0.000000 2.191194 1.958120
2001 2.197138 0.311112 0.000000 2.508250 1.947168
2000 2.817613 0.398974 0.000000 3.216587 1.386681
1999 3.691582 0.524051 0.000000 4.215633 0.000000
1998 4.227449 0.596422 0.000000 4.823871 0.000000
1997 4.147243 0.587971 0.000000 4.735214 0.000000
1996 3.355550 0.477583 0.000000 3.833133 0.000000
1995 3.211859 0.457637 0.000000 3.669496 0.000000
1994 0.611463 0.089408 0.000000 0.700871 0.000000

Exploration wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
33/9-7 1976.09.06 1976.11.07 165-L WILDCAT P&A OIL
33/9-12 1987.06.19 1987.08.03 551-L APPRAISAL P&A OIL
34/7-5 1985.01.17 1985.03.16 448-L APPRAISAL P&A OIL
3 wellbore(s)

Development wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
33/9-C-33 A 2005.05.11 2006.04.13 2526-P PRODUCTION PRODUCING OIL
33/9-K-1 H 1994.04.07 1994.04.25 903-P INJECTION PLUGGED NOT AVAILABLE
33/9-K-1 AH 1994.04.25 1994.05.30 912-P INJECTION INJECTING WATER
33/9-K-2 H 1994.02.04 1994.03.30 884-P INJECTION INJECTING WATER
33/9-K-3 H 1994.01.06 1994.04.05 880-P INJECTION INJECTING WATER
33/9-L-1 H 1999.03.23 1999.04.22 1565-P PRODUCTION PRODUCING OIL
33/9-L-2 H 1996.07.04 1996.08.12 1166-P PRODUCTION PRODUCING OIL
33/9-L-3 H 1993.10.10 1993.11.20 848-P PRODUCTION PRODUCING OIL
33/9-L-4 H 1993.11.22 1993.12.15 862-P PRODUCTION PRODUCING OIL
33/9-M-1 H 1993.07.07 1994.07.05 824-P PRODUCTION PLUGGED NOT AVAILABLE
33/9-M-1 AH 2002.10.29 2002.12.15 2200-P PRODUCTION PRODUCING OIL
33/9-M-2 H 1993.08.13 1994.08.01 831-P PRODUCTION PLUGGED NOT AVAILABLE
33/9-M-2 AH 2001.01.13 2001.03.15 1865-P PRODUCTION PLUGGED OIL
33/9-M-2 BH 2007.07.10 2007.08.18 2865-P PRODUCTION PRODUCING OIL
33/9-M-3 H 2001.12.12 2002.03.07 2040-P PRODUCTION PRODUCING OIL
33/9-M-4 H 1996.03.25 1996.04.18 1125-P PRODUCTION PLUGGED NOT AVAILABLE
33/9-M-4 AH 1996.04.18 1996.05.21 1152-P PRODUCTION PRODUCING OIL
17 wellbore(s)

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