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Generated 06.09.2010

Field: VIGDIS

General information

Current activity status: PRODUCING
Discovery wellbore: 34/7-8
Discovery year: 1986
Discoveries included: 34/7-23 S
34/7-34

Description Norwegian

Development

Vigdis is an oil field located between the Snorre and Gullfaks fields in the Tampen area in the northern part of the North Sea. The sea depth in the area is 280 metres. The field comprises several discoveries, and has been developed with subsea templates connected to Snorre A. The wellstream is routed to Snorre A through two flow lines. Injection water is transported by pipeline from Snorre A. Oil from Vigdis is processed in a dedicated processing module on Snorre A. The PDO for Vigdis Extension, including the discovery 34/7-23 S and adjoining deposits, was approved on 20.12.2002.

Reservoir

The reservoir in the Vigdis Brent deposit consists of Middle Jurassic sandstones of the Brent Group, while the Vigdis Øst deposit has reservoirs in Lower Jurassic and Upper Triassic sandstones of the Statfjord Formation. The Borg Nordvest deposit has reservoir in Upper Jurassic intra-Draupne sandstones. The reservoirs are at a depth of 2 200 – 2 600 metres. The quality of the reservoirs is generally good.

Recovery strategy

Production is based on partial pressure maintenance using water injection. Parts of the reservoirs are affected by the pressure blowdown of the Statfjord field, so water injection is used to counteract the effect.

Transport

Stabilised oil from Vigdis is sent in a pipeline from Snorre A to Gullfaks A for storage and export. The gas from Vigdis is used for injection at Snorre.

Status

The operator is evaluating means to improve recovery from Vigdis. A new production well was drilled in Borg Nordvest in 2009 and is producing. An exploration well, 34/7-34, was drilled northeast of Vigdis and proved new resources that can be tied to Vigdis. It has been decided to increase the water injection on Vigdis with water supplied from Statfjord C, but this has been delayed due to problems with the riser at Statfjord. Equipment for low pressure production is installed at Snorre A, and the capacity for produced water is upgraded. It is also being evaluated if gas alternating water injection (WAG) is feasible for Vigdis.

Activity status history

Activity status From date To date
PDO APPROVED 16.12.1994 28.01.1997
PRODUCING 28.01.1997

Current owner(s)

Production License: 089

The field extends into

Block(s) Production licence(s)
34/7 089

Current operator(s)

Company
Statoil Petroleum AS

The NPDs reserve estimates as of 31.12.2009 (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]
58.00 1.60 1.20 0.00 12.30 0.30 0.40 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 jun.2010 46.833321 1.349361 0.802786 0.000000 1.546130 49.728812
2010 1.106283 0.093194 0.033585 0.000000 0.063788 1.263265
jun.2010 0.131521 0.006251 0.002108 0.000000 0.004162 0.141934
may.2010 0.221881 0.015907 0.006312 0.000000 0.011977 0.249765
apr.2010 0.117657 0.009943 0.003128 0.000000 0.005947 0.133547
mar.2010 0.193813 0.019738 0.006283 0.000000 0.011904 0.225455
feb.2010 0.215094 0.019838 0.007620 0.000000 0.014414 0.249346
jan.2010 0.226317 0.021517 0.008134 0.000000 0.015384 0.263218
2009 2.632935 0.199391 0.073587 0.000000 0.141932 2.974258
dec.2009 0.201271 0.012865 0.004540 0.000000 0.008632 0.222768
nov.2009 0.196681 0.014453 0.004173 0.000000 0.007887 0.219021
oct.2009 0.153335 0.011492 0.004301 0.000000 0.008162 0.172989
sep.2009 0.000011 0.000547 0.000188 0.000000 0.000357 0.000915
aug.2009 0.223569 0.015341 0.005512 0.000000 0.010844 0.249754
jul.2009 0.278879 0.021280 0.007113 0.000000 0.013963 0.314122
jun.2009 0.265955 0.014081 0.004725 0.000000 0.009345 0.289381
may.2009 0.219330 0.017402 0.005935 0.000000 0.011721 0.248453
apr.2009 0.171780 0.015319 0.005772 0.000000 0.010954 0.198053
mar.2009 0.315080 0.025547 0.009664 0.000000 0.018370 0.358997
feb.2009 0.272317 0.025544 0.009265 0.000000 0.017731 0.315592
jan.2009 0.334727 0.025520 0.012399 0.000000 0.023966 0.384213
2008 3.068580 0.215144 0.092908 0.000000 0.179952 3.463676
2007 3.277006 0.209092 0.151770 0.000000 0.292983 3.779081
2006 3.758253 0.217328 0.170335 0.000000 0.328108 4.303689
2005 3.690920 0.187435 0.118232 0.000000 0.228227 4.106582
2004 3.587048 0.189676 0.134811 0.000000 0.258153 4.034877
2003 3.361649 0.038101 0.027558 0.000000 0.052987 3.452737
2002 3.052592 0.000000 0.000000 0.000000 0.000000 3.052592
2001 3.670211 0.000000 0.000000 0.000000 0.000000 3.670211
2000 4.198044 0.000000 0.000000 0.000000 0.000000 4.198044
1999 5.108834 0.000000 0.000000 0.000000 0.000000 5.108834
1998 4.724158 0.000000 0.000000 0.000000 0.000000 4.724158
1997 1.596808 0.000000 0.000000 0.000000 0.000000 1.596808

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 jun.2010 46.841065 4.030049 0.000000 50.871114 23.771773
2010 1.106264 0.113947 0.000000 1.220211 1.469233
jun.2010 0.131521 0.012309 0.000000 0.143830 0.248097
may.2010 0.221881 0.023273 0.000000 0.245154 0.275788
apr.2010 0.117657 0.012757 0.000000 0.130414 0.132792
mar.2010 0.193852 0.020548 0.000000 0.214400 0.246923
feb.2010 0.215082 0.022707 0.000000 0.237789 0.248413
jan.2010 0.226271 0.022353 0.000000 0.248624 0.317220
2009 2.632896 0.271630 0.000000 2.904526 2.867553
dec.2009 0.201414 0.018567 0.000000 0.219981 0.316208
nov.2009 0.196681 0.017170 0.000000 0.213851 0.312167
oct.2009 0.153335 0.014679 0.000000 0.168014 0.197304
sep.2009 0.000011 0.000001 0.000000 0.000012 0.000000
aug.2009 0.223282 0.023350 0.000000 0.246632 0.236729
jul.2009 0.278879 0.030236 0.000000 0.309115 0.270817
jun.2009 0.266058 0.028230 0.000000 0.294288 0.289953
may.2009 0.219332 0.022060 0.000000 0.241392 0.281297
apr.2009 0.171780 0.018606 0.000000 0.190386 0.165282
mar.2009 0.315080 0.033729 0.000000 0.348809 0.314601
feb.2009 0.272317 0.029350 0.000000 0.301667 0.234946
jan.2009 0.334727 0.035652 0.000000 0.370379 0.248249
2008 3.068580 0.324994 0.000000 3.393574 2.413906
2007 3.276566 0.353210 0.000000 3.629776 2.612033
2006 3.758253 0.410289 0.000000 4.168542 1.872861
2005 3.690920 0.361749 0.000000 4.052669 1.990846
2004 3.586988 0.375623 0.000000 3.962611 2.333507
2003 3.361649 0.272150 0.000000 3.633799 3.172946
2002 3.052592 0.196319 0.000000 3.248911 1.628030
2001 3.670211 0.256916 0.000000 3.927127 2.284377
2000 4.198044 0.293864 0.000000 4.491908 1.126481
1999 5.106448 0.357495 0.000000 5.463943 0.000000
1998 4.724159 0.330983 0.000000 5.055142 0.000000
1997 1.607495 0.110880 0.000000 1.718375 0.000000

Exploration wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
34/7-8 1986.02.05 1986.04.11 503-L WILDCAT P&A OIL
34/7-13 1988.02.19 1988.04.13 572-L APPRAISAL P&A OIL
34/7-16 1990.06.28 1990.08.13 640-L APPRAISAL SUSP.REENTERED LATER OIL
34/7-16 R 1990.09.04 1990.10.15 640-L2 APPRAISAL SUSP.REENTERED LATER OIL
34/7-16 R2 1994.06.23 1994.07.05 640-L3 APPRAISAL P&A OIL
34/7-17 A 1991.04.07 1991.05.04 677-L APPRAISAL P&A OIL/GAS
34/7-17 1991.02.25 1991.04.07 668-L APPRAISAL P&A SHOWS
34/7-19 1991.09.24 1991.12.27 698-L APPRAISAL SUSP.REENTERED LATER OIL
34/7-19 R 1994.07.06 1994.07.12 698-L2 APPRAISAL P&A OIL
34/7-23 S 1994.02.22 1994.04.03 783-L WILDCAT P&A OIL
34/7-23 A 1994.04.08 1994.05.20 788-L APPRAISAL P&A OIL
34/7-24 S 1995.02.25 1995.03.24 801-L APPRAISAL P&A SHOWS
34/7-31 A 2001.04.13 2001.04.25 1002-L APPRAISAL P&A OIL
13 wellbore(s)

Development wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
34/7-B-1 H 1997.02.21 1997.04.08 1265-P OBSERVATION PLUGGED NOT APPLICABLE
34/7-B-1 AH 1997.05.18 1997.06.17 1313-P PRODUCTION PRODUCING OIL
34/7-B-2 H 1997.04.09 1997.10.14 1301-P PRODUCTION PRODUCING OIL
34/7-B-3 H 2000.01.05 2000.05.28 1625-P PRODUCTION PRODUCING OIL
34/7-B-4 H 2000.06.04 2000.08.10 1754-P OBSERVATION PLUGGED NOT APPLICABLE
34/7-B-4 AH 2000.08.11 2000.09.28 1755-P PRODUCTION PRODUCING OIL
34/7-C-1 H 1996.01.17 1996.12.30 1113-P PRODUCTION PRODUCING OIL
34/7-C-2 H 1995.11.26 1996.12.04 1090-P PRODUCTION PLUGGED NOT AVAILABLE
34/7-C-2 AH 2001.07.02 2001.10.16 1965-P PRODUCTION PRODUCING OIL
34/7-C-3 H 1996.01.23 1996.12.10 1123-P PRODUCTION PLUGGED NOT AVAILABLE
34/7-C-3 AH 2001.12.21 2002.02.01 2056-P PRODUCTION PRODUCING OIL
34/7-C-4 H 1999.06.14 1999.08.28 1571-P PRODUCTION PRODUCING OIL
34/7-C-5 H 2004.03.08 2004.04.14 2400-P OBSERVATION PLUGGED NOT APPLICABLE
34/7-C-5 AH 2004.04.15 2004.05.18 2401-P PRODUCTION SUSP.AT TD OIL
34/7-D-1 H 2003.05.04 2003.06.05 2279-P PRODUCTION PRODUCING OIL
34/7-D-2 H 2008.07.01 2008.08.06 2980-P OBSERVATION PLUGGED
34/7-D-2 AH 2008.08.07 2008.09.13 2996-P PRODUCTION PRODUCING OIL
34/7-D-3 H 2003.03.17 2003.05.03 2256-P PRODUCTION PRODUCING OIL
34/7-D-4 H 2005.06.06 2005.07.20 2519-P PRODUCTION PLUGGED NOT AVAILABLE
34/7-D-4 AH 2005.07.21 2006.03.25 2631-P PRODUCTION SUSP.AT TD
34/7-E-1 H 2001.04.10 2001.05.19 1818-P INJECTION INJECTING WATER
34/7-E-2 H 1998.04.28 1998.06.22 1444-P INJECTION INJECTING WATER
34/7-E-3 H 1999.01.07 1999.03.23 1536-P INJECTION INJECTING WATER
34/7-E-4 H 2002.05.06 2002.06.13 2106-P INJECTION INJECTING WATER
34/7-E-5 H 2004.07.02 2004.08.26 2436-P INJECTION INJECTING WATER
34/7-F-1 H 2004.01.05 2004.02.23 2361-P INJECTION INJECTING WATER
34/7-F-2 H 2801-P INJECTION
34/7-F-3 H 2003.06.20 2003.12.31 2297-P INJECTION INJECTING NOT APPLICABLE
34/7-F-3 AH 2308-P INJECTION
34/7-F-4 H 2007.01.24 2007.03.27 2803-P INJECTION SUSPENDED
34/7-G-1 H 2007.08.27 2007.09.21 2839-P INJECTION INJECTING WATER
34/7-G-2 H 2008.04.11 2008.06.23 2840-P PRODUCTION INJECTING WATER
34/7-G-3 H 2007.04.24 2007.12.23 2841-P PRODUCTION PRODUCING OIL
34/7-G-4 H 2009.03.23 2009.04.14 2842-P OBSERVATION PLUGGED
34/7-G-4 AH 2009.04.15 2009.04.20 3083-P OBSERVATION PLUGGED
34/7-G-4 BH 2009.04.20 2009.06.13 3084-P PRODUCTION PRODUCING OIL
36 wellbore(s)

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