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Field: VEGA SØR

General information

Current activity status: PRODUCING
Discovery wellbore: 35/11-2
Discovery year: 1987

Description Norwegian

Development

Vega Sør is located near the Fram field. The water depth in the area is about 370 metres. A combined PDO for Vega and Vega Sør was approved by the authorities in June 2007. The development concept is a subsea template tied to Vega. A PDO exemption for the oil zone was approved autumn 2009.

Reservoir

The reservoir contains gas and condensate with an oil zone in the upper part of the Brent Group of Middle Jurassic age. The reservoir depth is approximately 3 500 metres.

Recovery strategy

The field will be produced by pressure depletion.

Transport

The wellstream is sent in a pipeline from Vega Sør via the subsea templates on Vega to Gjøa for processing. Oil and condensate is transported from Gjøa in a new pipeline tied to Troll Oljerør II for further transport to Mongstad. The rich gas is exported by a new pipe-line to the Far North Liquids and Associated Gas System (FLAGS) on the British continental shelf for further transport to St. Fergus.

Status

Production started in December 2010.

Activity status history

Activity status From date To date
PDO APPROVED 14.06.2007 01.12.2010
PRODUCING 02.12.2010

Current owner(s)

Business Area: VEGA UNIT

The field extends into

Block(s) Production licence(s)
35/11 090 C

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]
3.60 8.70 0.40 0.00 3.60 8.70 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 nov.2011 0.029724 0.588576 0.125006 0.036626 0.304033 0.958959
2011 0.023166 0.588576 0.125006 0.036626 0.304033 0.952401
nov.2011 0.000000 0.011943 0.003396 0.000923 0.008144 0.021010
oct.2011 0.000000 0.058150 0.015023 0.003475 0.036477 0.098102
sep.2011 0.000000 0.064818 0.014018 0.004010 0.034926 0.103754
aug.2011 0.000000 0.071218 0.019222 0.005713 0.047109 0.124040
jul.2011 0.000000 0.061969 0.016111 0.005077 0.038714 0.105760
jun.2011 0.000000 0.070080 0.019220 0.007146 0.046561 0.123787
may.2011 0.000000 0.064264 0.017111 0.005692 0.041793 0.111749
apr.2011 0.000000 0.076922 0.020286 0.004395 0.049142 0.130459
mar.2011 0.000000 0.088233 0.000000 0.000000 0.000000 0.088233
feb.2011 0.013884 0.010027 0.000619 0.000195 0.001167 0.025273
jan.2011 0.009282 0.010952 0.000000 0.000000 0.000000 0.020234
2010 0.006558 0.000000 0.000000 0.000000 0.000000 0.006558
dec.2010 0.006558 0.000000 0.000000 0.000000 0.000000 0.006558

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 0.032156 0.028160 0.000000 0.060316 0.001206
2011 0.032156 0.028160 0.000000 0.060316 0.001206
nov.2011 0.000000 0.000000 0.000000 0.000000 0.000000
oct.2011 0.000001 0.000001 0.000000 0.000002 0.000000
sep.2011 0.000005 0.000007 0.000000 0.000012 0.000000
aug.2011 0.000001 0.000001 0.000000 0.000002 0.000000
jul.2011 0.000605 0.000360 0.000000 0.000965 0.000003
jun.2011 0.008570 0.005750 0.000000 0.014320 0.000706
may.2011 0.000000 0.000000 0.000000 0.000000 0.000000
apr.2011 0.000000 0.000000 0.000000 0.000000 0.000000
mar.2011 0.000000 0.000000 0.000000 0.000000 0.000000
feb.2011 0.014138 0.013159 0.000000 0.027297 0.000280
jan.2011 0.008836 0.008882 0.000000 0.017718 0.000217
2010 0.000000 0.000000 0.000000 0.000000 0.000000

Exploration wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
35/11-2 1987.07.20 1987.12.04 553-L WILDCAT P&A GAS/CONDENSATE
35/11-6 1992.01.30 1992.04.20 714-L APPRAISAL P&A OIL SHOWS
2 wellbore(s)

Development wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
35/11-R-12 H 2009.11.30 2010.01.31 3132-P PRODUCTION SUSP.AT TD
35/11-R-14 H 2009.08.14 2009.10.21 3130-P OBSERVATION PLUGGED
35/11-R-14 AH 2009.10.22 2009.11.21 3131-P PRODUCTION SUSP.AT TD
3 wellbore(s)

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