TAMBAR

Discovery year
1983
Wellbore
Status
Producing
Licence

Operator:

Aker BP ASA

Area:

North sea

Production start:

15.07.2001

Historical investments per 31.12.2017:

3 251 MILL NOK (nominal)

Future investments from 2018:

862 MILL NOK (real 2018 NOK)

PRODUCTION FROM THE FIELD

Source: The Norwegian Petroleum Directorate

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PRODUCTION FROM THE FIELD

Development

Tambar is a field in the southern part of the Norwegian sector in the North Sea, 16 kilometres southeast of the Ula field. The water depth is 68 metres. Tambar was discovered in 1983, and the plan for development and operation (PDO) was approved in 2000. The field has been developed with a remotely controlled wellhead facility without processing equipment. Production started in 2001.

Reservoir

Tambar produces oil from Upper Jurassic shallow marine sandstone in the Ula Formation. The reservoir lies at a depth of 4,100-4,200 metres and has generally very good characteristics.

Recovery

The field is produced by pressure depletion, with natural gas expansion combined with aquifer support.

Transport

The oil is transported by pipeline to Ula. After processing at Ula, the oil is exported in the pipeline system via the Ekofisk field to Teesside in the UK, while the gas is injected into the Ula reservoir to improve oil recovery.

Status

To increase recovery, the wellhead pressure is reduced by using a multiphase pump. Challenges restricting production are wells that die and increasing water cut. There are currently three wells in production: one well has stable production and two infill wells, completed in 2018, are on cyclic production. A new artificial gas lift system was installed in 2018 to improve the production performance, and is planned to start up in 2019.

ACCRUED INVESTMENTS IN NOMINAL NOK

Source: The Norwegian Petroleum Directorate

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ACCRUED INVESTMENTS IN NOMINAL NOK

NPD's CURRENT RESOURCE ESTIMATES

All numbers in mill. Sm3 o.e.

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NPD's CURRENT RESOURCE ESTIMATES – All numbers in mill. Sm3 o.e.
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OWNERS

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OWNERS

DISCOVERIES INCLUDED IN THE FIELD

DISCOVERY
1/3-3 Tambar

MORE INFORMATION

Visit the Norwegian Petroleum Directorate's fact pages for more information