Rosebank oil and gas field

The Rosebank oil and gas field lies west of Shetland.[1][2] It is operated by Equinor; Suncor and Siccar Point [1]. The discovery well was drilled in 2004. A final investment decision for Rosebank is planned to be taken by May 2022.[1].

Rosebank oil and gas field
CountryUnited Kingdom
RegionScottish Territorial Waters
LocationWest of Shetland
Offshore/onshoreoffshore
OperatorEquinor
PartnersEquinor
Suncor Energy
Siccar Point Energy
Field history
Discovery2004
Production
Producing formationsDevonian to Carboniferous continental sandstone

Ocean depth is 1,100 metres (3,600 ft). The discovery well, drilled to 2,743 metres (8,999 ft), flowed 6,000 barrels per day (950 m3/d) of 37° API light oil from a deposit 24 metres (79 ft) thick. [3]

Geology

The deposit is contained in layers of sandstone which lie between layers of basalt making use of seismic imaging difficult and expensive. It is estimated that 240 million barrels (38×10^6 m3) of oil and gas could be recovered.[2]

Practical considerations

Weather conditions are extremely difficult. Superstructure is designed to withstand 100-foot (30 m) waves. High petroleum prices and favorable tax treatment is needed.[2] Bringing gas to market requires finding a way to finance a pipeline which would combine production from several fields in the West of Shetland area into a gas export pipeline.[4]

Notes and references
  1. Equinor (June 4, 2019). "Equinor sets new timeline for Rosebank project". Equinor. Retrieved July 23, 2013.
  2. Stanley Reed (July 23, 2013). "Chevron to Spend $770 Million on Remote Projects". The New York Times. Retrieved July 23, 2013.
  3. "Rosebank Oil and Gas Field, Shetland Islands, United Kingdom". Offshore-Technology.com. Retrieved July 23, 2013.
  4. UK offshore oil and gas - Energy and Climate Change Contents: 4, West of Shetland

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