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Generated 31.07.2010

Field: HULDRA

General information

Current activity status: PRODUCING
Discovery wellbore: 30/2-1
Discovery year: 1982
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Description Norwegian

Development

Huldra is a gas condensate field located north of Oseberg in the northern part of the North Sea. The sea depth in the area is 125 metres. The field is developed with a steel wellhead facility with a simple process plant. The facility is remotely operated from Veslefrikk B, 16 kilometres away.

Reservoir

The reservoir is in Middle Jurassic sandstones of the Brent Group in a rotated fault block. The reservoir has high pressure and high temperature and lies at a depth of 3 500 – 3 900 metres. There are many small faults in the field, and reservoir communication is uncertain, but the production history indicates two main segments without pressure communication.

Recovery strategy

Huldra is recovered by pressure depletion. Low pressure production began in 2007 after a gas compressor was installed on the field. The compressor will prolong the lifetime of the field by five years.

Transport

Following first stage separation, the wet gas is transported to Heimdal for further processing, whereas the condensate is transported to Veslefrikk for processing.

Status

Huldra is in the tail production phase and it is expected that the field will cease production in 2014.

Activity status history

Activity status From date To date
PDO APPROVED 02.02.1999 21.11.2001
PRODUCING 21.11.2001

Current owner(s)

Business Area: HULDRA UNIT

The field extends into

Block(s) Production licence(s)
30/2 051
30/3 052 B

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]
4.90 16.00 0.10 0.00 0.10 1.10 0.00 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 may.2010 4.831105 15.265778 0.094404 0.000000 0.186622 20.283505
2010 0.065515 0.367620 0.000000 0.000000 0.000000 0.433135
may.2010 0.012658 0.070704 0.000000 0.000000 0.000000 0.083362
apr.2010 0.008867 0.049196 0.000000 0.000000 0.000000 0.058063
mar.2010 0.014847 0.084062 0.000000 0.000000 0.000000 0.098909
feb.2010 0.013595 0.077506 0.000000 0.000000 0.000000 0.091101
jan.2010 0.015548 0.086152 0.000000 0.000000 0.000000 0.101700
2009 0.191506 1.054364 0.000236 0.000000 0.000438 1.246308
dec.2009 0.010610 0.058725 0.000000 0.000000 0.000000 0.069335
nov.2009 0.017021 0.100231 0.000000 0.000000 0.000000 0.117252
oct.2009 0.014332 0.077672 0.000000 0.000000 0.000000 0.092004
sep.2009 0.017331 0.092142 0.000000 0.000000 0.000000 0.109473
aug.2009 0.015810 0.083636 0.000000 0.000000 0.000000 0.099446
jul.2009 0.020323 0.113127 0.000000 0.000000 0.000000 0.133450
jun.2009 0.007365 0.037730 0.000000 0.000000 0.000000 0.045095
may.2009 0.020111 0.116009 0.000024 0.000000 0.000042 0.136162
apr.2009 0.019516 0.106689 0.000071 0.000000 0.000133 0.126338
mar.2009 0.015421 0.083747 0.000046 0.000000 0.000086 0.099254
feb.2009 0.015645 0.082533 0.000060 0.000000 0.000110 0.098288
jan.2009 0.018021 0.102123 0.000035 0.000000 0.000067 0.120211
2008 0.208886 1.083080 0.000413 0.000000 0.000772 1.292738
2007 0.168111 0.767008 0.000725 0.000000 0.001401 0.936520
2006 0.303583 1.338335 0.011168 0.000000 0.021900 1.663818
2005 0.484874 1.918775 0.021618 0.000000 0.042438 2.446087
2004 0.939126 3.081345 0.021879 0.000000 0.042909 4.063380
2003 1.182617 2.958220 0.012157 0.000000 0.023189 4.164026
2002 1.248775 2.615171 0.025324 0.000000 0.051779 3.915725
2001 0.038112 0.081860 0.000884 0.000000 0.001796 0.121768

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 may.2010 0.000000 15.812068 3.742783 19.554851 2.689521
2010 0.000000 0.384720 0.060162 0.444882 0.161933
may.2010 0.000000 0.075146 0.011625 0.086771 0.036182
apr.2010 0.000000 0.051551 0.008226 0.059777 0.028031
mar.2010 0.000000 0.087758 0.013621 0.101379 0.034837
feb.2010 0.000000 0.080766 0.012575 0.093341 0.029685
jan.2010 0.000000 0.089499 0.014115 0.103614 0.033198
2009 0.000000 1.104195 0.174378 1.278573 0.389243
dec.2009 0.000000 0.061266 0.009775 0.071041 0.022968
nov.2009 0.000000 0.102622 0.016070 0.118692 0.039335
oct.2009 0.000000 0.081682 0.012868 0.094550 0.032732
sep.2009 0.000000 0.096826 0.015677 0.112503 0.042167
aug.2009 0.000000 0.088642 0.014435 0.103077 0.034711
jul.2009 0.000000 0.119420 0.018972 0.138392 0.039167
jun.2009 0.000000 0.040922 0.006266 0.047188 0.012103
may.2009 0.000000 0.121617 0.017720 0.139337 0.038765
apr.2009 0.000000 0.111145 0.017332 0.128477 0.042784
mar.2009 0.000000 0.087602 0.013791 0.101393 0.025929
feb.2009 0.000000 0.086500 0.014275 0.100775 0.026054
jan.2009 0.000000 0.105951 0.017197 0.123148 0.032528
2008 0.000000 1.133556 0.189726 1.323282 0.329990
2007 0.000000 0.807689 0.140021 0.947710 0.204485
2006 0.000000 1.402519 0.229807 1.632326 0.251413
2005 0.000000 1.961291 0.341837 2.303128 0.285542
2004 0.000000 3.130872 0.645902 3.776774 0.405591
2003 0.000000 3.105789 0.908660 4.014449 0.427533
2002 0.000000 2.780507 1.019071 3.799578 0.230689
2001 0.000000 0.000930 0.033219 0.034149 0.003102

Exploration wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
30/2-1 1982.05.17 1982.10.12 328-L WILDCAT SUSP.REENTERED LATER GAS/CONDENSATE
30/2-2 1984.12.19 1985.05.04 447-L APPRAISAL P&A GAS/CONDENSATE
30/2-3 1992.06.11 1992.10.05 731-L APPRAISAL P&A GAS/CONDENSATE
30/3-1 1979.06.11 1979.09.07 215-L APPRAISAL SUSP.REENTERED LATER SHOWS
30/3-1 R 1982.02.01 1982.04.26 215-L2 APPRAISAL P&A SHOWS
5 wellbore(s)

Development wellbore(s)

Name Entry date Completion date Drill permit WB purpose WB status WB contents
30/2-A-4 2000.08.10 2000.11.01 1774-P PRODUCTION PRODUCING GAS
30/2-A-5 2001.01.19 2001.02.03 1886-P PRODUCTION PRODUCING GAS
30/2-A-6 2001.07.20 2001.09.24 1977-P PRODUCTION PRODUCING GAS
30/2-A-8 2000.11.03 2001.01.19 1841-P PRODUCTION PRODUCING GAS
30/2-A-9 2001.10.01 2002.02.18 1976-P PRODUCTION PRODUCING GAS
30/2-A-11 2002.02.18 2002.04.13 2081-P PRODUCTION PRODUCING GAS
6 wellbore(s)

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