Tyra Oil And Gas Field

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Denmark Oil & Gas Fields

Maersk Oil & Gas Fields

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Summary Information

  • Operator: Maersk
  • Country: Denmark
  • Location: North Sea
  • Production start: 1984
  • Partners:
  • Type: Oil / Gas
  • Estimated Reserves:
  • Production Volume:

Description

  • The Tyra Field installations comprise two platform complexes, Tyra West (TW) and Tyra East (TE).
  • Tyra West consists of two wellhead platforms, TWB and TWC, one processing and accommodation platform, TWA, and one gas flare stack, TWD, as well as a bridge module installed at TWB and supported by a four-legged jacket, TWE.
  • The Tyra West processing facilities are used to pre-process oil and condensate production from the wells at Tyra West. Moreover, the Tyra West complex houses gasprocessing facilities and facilities for the injection and/or export of gas as well as processing facilities for the water produced. Tyra West receives part of the gas produced at Halfdan and Valdemar.
  • Tyra East consists of two wellhead platforms, TEB and TEC, one processing and accommodation platform, TEA, one gas flare stack, TED, and one riser platform, TEE, as well as a bridge module supported by a STAR jacket, TEF.
  • Tyra East receives production from the satellite fields, Valdemar, Roar, Svend, Tyra Southeast and Harald/Lulita, as well as gas production from Gorm, Dan and parts of Halfdan D. The Tyra East complex includes facilities for the final processing of gas, oil, condensate and water. Treated production water from the whole of the Tyra Field is discharged into the sea.
  • The two platform complexes in the Tyra Field are interconnected by pipelines in order to yield the maximum operational flexibility and security of supply. Oil and condensate production from the Tyra Field and its satellite fields is transported ashore via Gorm E. The bulk of gas produced is transported from TEE at Tyra East to shore and the rest is transported from TWE at Tyra West to the Netra Nogat Pipeline System.
  • Tyra East has accommodation facilities for 96 persons, while there are accommodation facilities for 80 persons at Tyra West.

Contractors

  • HSM Offshore: Tyra West Upper Pipe Bridge
  • Heerema Marine Contractors: Installation of Tyra East B & C and Tyra West B & C, Tyra West A, C & D, Tyra TCP A and Tyra East D
  • FoundOcean: Grouting for Tyra East (B, C & E), Tyra East B & C and Tyra West B & C, Tyra West A, C & D, Tyra TCP A and Tyra East D

History

  • 1968 - Tyra Oil And Gas Field discovered
  • 1984 - First oil production

Geology

  • The Tyra Field is an anticline structure created by tectonic uplift. The accumulation consists of free gas containing condensate, overlying a thin oil zone. The reservoir is only slightly fractured.

Links

  1. Denmark, Producing Fields
  2. FoundOcean Subsea References
  3. HSM Offshore Platform References

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