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Equinor, Shell and Total complete Northern Lights drilling

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Oilfield Technology,

Equinor and partners Shell and Total have completed the drilling of confirmation well 31/5-7 Eos south of the Troll field in the North Sea. The purpose was to determine the suitability of the reservoir in the Johansen formation for CO2 storage.

“This is an important milestone in realising the possibility of a CO2 storage on the Norwegian continental shelf,” said Geir Tungesvik, Equinor’s senior vice president for project development.

“The preliminary results from the well so far have been positive. The drilling results will now be further analysed before concluding,” added Tungesvik.

Extensive amounts of data have been acquired through coring, logging, sampling and a production test. So far, we have proven a sealing shale layer and the presence of good quality sandstone in the reservoir.

The partners in Northern Lights are analysing these results as part of their final project’s decision process.

In line with a shared vision to stimulate necessary development of future CCS-projects (carbon, capture and storage) through sharing, the partnership has decided that well data can be freely shared with external parties and the information will therefore be available for download. The solution is not yet decided.

Located some 2500 m below the seabed, this is the first well drilled in exploitation licence 001. If the Northern Lights project is sanctioned, the well will be used for injection and storage of CO2.

The Northern Lights partners plan for a potential investment decision in the spring of 2020. Such an investment decision is subject to agreement between the partners and government authorities on an implementation agreement, as well as ESA approval of the project. The project is subject to final approval by Norwegian authorities.

Image shows the Northern Lights template before installation on the seabed. Courtesy of Equinor.

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