TRESTAKK

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• General information

  General information

  Attribute	Value
  Field name Official field name	TRESTAKK
  Factmaps in new window	link to map
  Current activity status Current activity status of the field. Example of legal values: SHUT DOWN, PRODUCING, PDO APPROVED	Producing
  Discovery wellbore Name of the wellbore which proved the field.	6406/3-2
  Discovery year. The year the field was discovered	1986
  Main area Main NCS area. Example of legal values: NORTH SEA, NORWEGIAN SEA, BARENTS SEA	Norwegian sea
  Main supply base Main supply base	Kristiansund
  NPDID field Norwegian Offshore Directorate's unique id for fields	29396445

• Picture

  Picture

  Picture not available

• Discoveries included

  Discoveries included

  Discovery name
  6406/3-2 Trestakk

• Activity status — history

  Activity status — history

  Status	Status from	Status to
  Producing	16.07.2019
  Approved for production	30.03.2017	15.07.2019

• Located in

  Located in

  Block name	Prod. licence
  6406/3	091
  6406/3	091 E
  6406/3	091 D

• PDO – Plan for Development and Operations

  PDO – Plan for Development and Operations

  Date PDO approved	Description	Type
  30.03.2017	Godkjent av OED	PDO

• Ownership — full history

  Ownership — full history

  Owner kind	Owner name	Ownership from date	Ownership to date
  PRODUCTION LICENSE	091	30.03.2017

• Operatorship — full history

  Operatorship — full history

  Company name	Operatorship from	Operatorship to
  Equinor Energy AS	16.05.2018
  Statoil Petroleum AS	30.03.2017	15.05.2018

• Licensees — full history

  Licensees — full history

  Company name	Nation code	Company share [%]	Date licensee from	Date licensee to
  Equinor Energy AS	NO	59.100000	28.01.2022
  Vår Energi ASA	NO	40.900000	28.01.2022
  Equinor Energy AS	NO	59.100000	10.12.2019	27.01.2022
  Vår Energi AS	NO	40.900000	10.12.2019	27.01.2022
  Equinor Energy AS	NO	59.100000	10.12.2018	09.12.2019
  ExxonMobil Exploration and Production Norway AS	NO	33.000000	10.12.2018	09.12.2019
  Vår Energi AS	NO	7.900000	10.12.2018	09.12.2019
  Equinor Energy AS	NO	59.100000	16.05.2018	09.12.2018
  ExxonMobil Exploration and Production Norway AS	NO	33.000000	16.05.2018	09.12.2018
  Eni Norge AS	NO	7.900000	16.05.2018	09.12.2018
  Statoil Petroleum AS	NO	59.100000	30.03.2017	15.05.2018
  ExxonMobil Exploration and Production Norway AS	NO	33.000000	30.03.2017	15.05.2018
  Eni Norge AS	NO	7.900000	30.03.2017	15.05.2018

• Norwegian Offshore Directorate – estimate for reserves (Norwegian share)

  Norwegian Offshore Directorate – estimate for reserves (Norwegian share)

  Valid date:	31.12.2023

  Norwegian Offshore Directorate – estimate for reserves (Norwegian share)

  Orig. recoverable oil [mill Sm3]	Orig. recoverable gas [bill Sm3]	Orig. recoverable NGL [mill tonn]	Orig. recoverable cond. [mill Sm3]	Orig. recoverable oil eq. [mill Sm3 o.e]
  6.08	1.32	0.45	0.00	8.26

  Norwegian Offshore Directorate – estimate for reserves (Norwegian share)

  Orig. inplace oil [mill Sm3]	Orig. inplace ass. liquid [mill Sm3]	Orig. inplace ass. gas [bill Sm3]	Orig. inplace free gas [bill Sm3]
  28.00	0.00	6.00	0.00

  Norwegian Offshore Directorate – estimate for reserves (Norwegian share)

  Remaining oil [mill Sm3]	Remaining gas [bill Sm3]	Remaining NGL [mill tonn]	Remaining cond. [mill Sm3]	Remaining oil eq. [mill Sm3 o.e]
  1.99	1.32	0.45	0.00	4.17

• Description

  Description

  Type	Text	Date updated
  Development	Trestakk is a field in the central part of the Norwegian Sea, 20 kilometres south of the Åsgard field. The water depth is 300 metres. Trestakk was proven in 1986 and the plan for development and operation (PDO) was approved in 2017. The development concept consists of one subsea template with four well slots and an additional satellite well. The subsea installation is tied-back to the Åsgard A facility for processing and gas injection. The production started in 2019.	14.12.2023
  Reservoir	Trestakk produces oil from shallow marine sandstone of Middle Jurassic age in the Garn Formation. The reservoir is at a depth of 3900 metres and has moderate quality.	14.12.2023
  Recovery strategy	The Field is produced by gas injection.	28.02.2023
  Transport	The well stream is transported to the Åsgard A facility for processing. Oil and condensate are temporarily stored at Åsgard A, and then shipped to market by shuttle tankers. The gas is exported through the Åsgard Transport System (ÅTS) to the Kårstø terminal.	28.02.2023
  Status	The production from the field has been lower than anticipated due to poorer reservoir properties than predicted and lower gas injection volumes. Starting in mid-2023, an updated gas injection strategy has been implemented, resulting in stabilised production rates. New infill targets are being evaluated.	14.12.2023

• Investments (expected)

  Investments (expected)

  The operator's future investments related to the reserves from 2023 [mill NOK 2023-kroner]. The stated investment estimate has not been corrected for possible investment sharing.	96

• Investments (historical)

  Investments (historical)

  	Investments [mill NOK nominal values]
  Sum	6590
  2022	5
  2021	8
  2020	1336
  2019	2241
  2018	1738
  2017	1176
  2016	86
  2015	0
  2014	0
  2013	0
  2012	0

• Production , saleable

  Production , saleable

  	Month	Net - oil [mill Sm3]	Net - gas [bill Sm3]	Net - condensate [mill Sm3]	Net - NGL [mill Sm3]	Net - oil equivalents [mill Sm3]
  Sum		4.725477	0.000000	0.000000	0.000000	4.725477
  2024		0.512809	0.000000	0.000000	0.000000	0.512809
  1	0.066557	0.000000	0.000000	0.000000	0.066557
  2	0.060215	0.000000	0.000000	0.000000	0.060215
  3	0.068530	0.000000	0.000000	0.000000	0.068530
  4	0.063178	0.000000	0.000000	0.000000	0.063178
  5	0.065746	0.000000	0.000000	0.000000	0.065746
  6	0.067096	0.000000	0.000000	0.000000	0.067096
  7	0.069811	0.000000	0.000000	0.000000	0.069811
  8	0.051676	0.000000	0.000000	0.000000	0.051676
  2023		0.755840	0.000000	0.000000	0.000000	0.755840
  1	0.073453	0.000000	0.000000	0.000000	0.073453
  2	0.060383	0.000000	0.000000	0.000000	0.060383
  3	0.062305	0.000000	0.000000	0.000000	0.062305
  4	0.057267	0.000000	0.000000	0.000000	0.057267
  5	0.057565	0.000000	0.000000	0.000000	0.057565
  6	0.058090	0.000000	0.000000	0.000000	0.058090
  7	0.062203	0.000000	0.000000	0.000000	0.062203
  8	0.065935	0.000000	0.000000	0.000000	0.065935
  9	0.054773	0.000000	0.000000	0.000000	0.054773
  10	0.067749	0.000000	0.000000	0.000000	0.067749
  11	0.067209	0.000000	0.000000	0.000000	0.067209
  12	0.068908	0.000000	0.000000	0.000000	0.068908
  2022		0.845058	0.000000	0.000000	0.000000	0.845058
  1	0.090358	0.000000	0.000000	0.000000	0.090358
  2	0.068888	0.000000	0.000000	0.000000	0.068888
  3	0.090559	0.000000	0.000000	0.000000	0.090559
  4	0.081873	0.000000	0.000000	0.000000	0.081873
  5	0.061416	0.000000	0.000000	0.000000	0.061416
  6	0.065699	0.000000	0.000000	0.000000	0.065699
  7	0.068210	0.000000	0.000000	0.000000	0.068210
  8	0.060253	0.000000	0.000000	0.000000	0.060253
  9	0.063846	0.000000	0.000000	0.000000	0.063846
  10	0.063566	0.000000	0.000000	0.000000	0.063566
  11	0.063912	0.000000	0.000000	0.000000	0.063912
  12	0.066478	0.000000	0.000000	0.000000	0.066478
  2021		1.023534	0.000000	0.000000	0.000000	1.023534
  1	0.103638	0.000000	0.000000	0.000000	0.103638
  2	0.093223	0.000000	0.000000	0.000000	0.093223
  3	0.111034	0.000000	0.000000	0.000000	0.111034
  4	0.093375	0.000000	0.000000	0.000000	0.093375
  5	0.022187	0.000000	0.000000	0.000000	0.022187
  6	0.093980	0.000000	0.000000	0.000000	0.093980
  7	0.055906	0.000000	0.000000	0.000000	0.055906
  8	0.099739	0.000000	0.000000	0.000000	0.099739
  9	0.096225	0.000000	0.000000	0.000000	0.096225
  10	0.083911	0.000000	0.000000	0.000000	0.083911
  11	0.095656	0.000000	0.000000	0.000000	0.095656
  12	0.074660	0.000000	0.000000	0.000000	0.074660
  2020		0.999621	0.000000	0.000000	0.000000	0.999621
  1	0.095094	0.000000	0.000000	0.000000	0.095094
  2	0.082322	0.000000	0.000000	0.000000	0.082322
  3	0.044655	0.000000	0.000000	0.000000	0.044655
  4	0.076774	0.000000	0.000000	0.000000	0.076774
  5	0.073574	0.000000	0.000000	0.000000	0.073574
  6	0.071807	0.000000	0.000000	0.000000	0.071807
  7	0.104468	0.000000	0.000000	0.000000	0.104468
  8	0.091339	0.000000	0.000000	0.000000	0.091339
  9	0.079606	0.000000	0.000000	0.000000	0.079606
  10	0.099109	0.000000	0.000000	0.000000	0.099109
  11	0.081784	0.000000	0.000000	0.000000	0.081784
  12	0.099089	0.000000	0.000000	0.000000	0.099089
  2019		0.588615	0.000000	0.000000	0.000000	0.588615
  6	0.000000	0.000000	0.000000	0.000000	0.000000
  7	0.068180	0.000000	0.000000	0.000000	0.068180
  8	0.125844	0.000000	0.000000	0.000000	0.125844
  9	0.075493	0.000000	0.000000	0.000000	0.075493
  10	0.124968	0.000000	0.000000	0.000000	0.124968
  11	0.099813	0.000000	0.000000	0.000000	0.099813
  12	0.094317	0.000000	0.000000	0.000000	0.094317

• Production , sum wellbores

  Production , sum wellbores

  	Month	Gross - oil [mill Sm3]	Gross - gas [bill Sm3]	Gross - condensate [mill Sm3]	Gross - oil equivalents [mill Sm3]
  Sum		4.674971	1.660467	0.000000	6.335438
  2024		0.513812	0.332626	0.000000	0.846438
  1	0.065667	0.037836	0.000000	0.103503
  2	0.059989	0.034564	0.000000	0.094553
  3	0.069575	0.040087	0.000000	0.109662
  4	0.063474	0.042647	0.000000	0.106121
  5	0.065706	0.045805	0.000000	0.111511
  6	0.066905	0.046641	0.000000	0.113546
  7	0.069937	0.048755	0.000000	0.118692
  8	0.052559	0.036291	0.000000	0.088850
  2023		0.738798	0.431880	0.000000	1.170678
  1	0.070895	0.036994	0.000000	0.107889
  2	0.059574	0.032630	0.000000	0.092204
  3	0.062114	0.035238	0.000000	0.097352
  4	0.056939	0.034339	0.000000	0.091278
  5	0.056879	0.033971	0.000000	0.090850
  6	0.056732	0.033688	0.000000	0.090420
  7	0.059726	0.038379	0.000000	0.098105
  8	0.062490	0.037662	0.000000	0.100152
  9	0.053091	0.031644	0.000000	0.084735
  10	0.065911	0.041490	0.000000	0.107401
  11	0.066196	0.036520	0.000000	0.102716
  12	0.068251	0.039325	0.000000	0.107576
  2022		0.844639	0.342065	0.000000	1.186704
  1	0.091337	0.025343	0.000000	0.116680
  2	0.072321	0.020669	0.000000	0.092990
  3	0.092443	0.025742	0.000000	0.118185
  4	0.083132	0.023095	0.000000	0.106227
  5	0.063260	0.026632	0.000000	0.089892
  6	0.064153	0.030143	0.000000	0.094296
  7	0.066920	0.031569	0.000000	0.098489
  8	0.058644	0.029195	0.000000	0.087839
  9	0.061542	0.029992	0.000000	0.091534
  10	0.061662	0.031458	0.000000	0.093120
  11	0.062362	0.031730	0.000000	0.094092
  12	0.066863	0.036497	0.000000	0.103360
  2021		1.035763	0.262638	0.000000	1.298401
  1	0.103600	0.024519	0.000000	0.128119
  2	0.093090	0.021596	0.000000	0.114686
  3	0.110916	0.024578	0.000000	0.135494
  4	0.093335	0.021559	0.000000	0.114894
  5	0.024537	0.007386	0.000000	0.031923
  6	0.096106	0.028950	0.000000	0.125056
  7	0.057437	0.015654	0.000000	0.073091
  8	0.101384	0.025749	0.000000	0.127133
  9	0.096907	0.024940	0.000000	0.121847
  10	0.085624	0.021047	0.000000	0.106671
  11	0.096882	0.024691	0.000000	0.121573
  12	0.075945	0.021969	0.000000	0.097914
  2020		0.985416	0.177533	0.000000	1.162949
  1	0.091750	0.015940	0.000000	0.107690
  2	0.080154	0.015430	0.000000	0.095584
  3	0.041452	0.008796	0.000000	0.050248
  4	0.069544	0.013962	0.000000	0.083506
  5	0.070420	0.012446	0.000000	0.082866
  6	0.073876	0.014764	0.000000	0.088640
  7	0.106142	0.018879	0.000000	0.125021
  8	0.091511	0.015719	0.000000	0.107230
  9	0.080579	0.015454	0.000000	0.096033
  10	0.099312	0.016854	0.000000	0.116166
  11	0.082217	0.013788	0.000000	0.096005
  12	0.098459	0.015501	0.000000	0.113960
  2019		0.556543	0.113725	0.000000	0.670268
  6	0.000000	0.000000	0.000000	0.000000
  7	0.066921	0.014190	0.000000	0.081111
  8	0.118304	0.023617	0.000000	0.141921
  9	0.070476	0.014134	0.000000	0.084610
  10	0.118044	0.024907	0.000000	0.142951
  11	0.094976	0.019055	0.000000	0.114031
  12	0.087822	0.017822	0.000000	0.105644

• Production – charts

  Production – charts

  Production – charts

  Production – charts

  Production – charts

  Production – charts

  Production – charts

  	Any produced water is only included after 1.1.2000

• Wellbores – exploration

  Wellbores – exploration

  Wellbore name	Entered date	Completed date	Purpose	Status	Content
  6406/3-2	28.06.1986	22.11.1986	WILDCAT	P&A	OIL
  6406/3-4	25.09.1987	29.12.1987	APPRAISAL	P&A	OIL SHOWS

• Wellbores – development

  Wellbores – development

  Wellbore name	Entered date	Completed date	Purpose	Content
  6406/3-A-1 H	07.12.2018	20.03.2020	INJECTION	GAS
  6406/3-A-2 H	04.12.2018	15.06.2019	INJECTION	GAS
  6406/3-A-3 Y1H	26.11.2018	02.09.2019	PRODUCTION	OIL
  6406/3-A-3 Y2H	03.09.2019	13.09.2019	PRODUCTION	OIL
  6406/3-A-4 H	29.11.2018	07.03.2019	OBSERVATION	NOT APPLICABLE
  6406/3-A-4 AY1H	19.04.2019	25.04.2019	PRODUCTION	OIL
  6406/3-A-4 AY2H	26.04.2019	08.05.2019	PRODUCTION	OIL
  6406/3-B-1 H	04.10.2019	03.12.2019	OBSERVATION	NOT APPLICABLE
  6406/3-B-1 AY1H	28.04.2020	02.05.2020	PRODUCTION	OIL
  6406/3-B-1 AY2H	03.05.2020	12.05.2020	PRODUCTION	OIL

• Wellbores – other

  Wellbores – other

  Wellbore name	Entered date	Completed date	Purpose	Status