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Gazprom Neft begins development of new oil stratum at its Novoportovskoye field

Gazprom Neft has completed drilling of its first production well within the NP-8 stratum at its Novoportovskoye field. The total length of the constructed well shaft is 4.2 kilometres, including a 1.45-kilometre horizontal section. The oil inflow obtained confirms geologists’ forecasts on prospects for developing this stratum.

Novoportovskoye field is one of the largest developed oil and gas condensate fields in Yamal peninsula

The NP-8 stratum, currently being brought into commercial production, is expected to deliver approximately 25 percent of all oil produced at the Novoportovskoye field over the next three years, and more than 10 percent of all oil produced at Novy Port over the course of its productive life. The NP-8 stratum is the second most productive, the most significant reserves being contained within the NP-4 stratum,* currently under development.

Well construction was undertaken by specialists from Gazpomneft-Yamal, supported by experts from the Gazprom Neft Science and Research Centre. A total 14 wells are expected to be drilled at the Novoportovskoye field’s NP-8 stratum by the end of 2017, reaching 50 wells by 2019.

* The Novportovskoye formation includes several strata, the most productive of which is the NP-4 stratum. These strata comprise marine and coastal sandstones, alternating with silts and clays. Commercial oil inflows from the NP-4 stratum were obtained as a result of testing via exploratory wells in the 1970s.

Notes for editors

The Novoportovskoye field is one of the most significant oil and gas condensate fields in the Yamal Peninsula. It is located within the Arctic Circle, some distance from pipeline transportation infrastructure. Recoverable C1 and C2 reserves are estimated at more than 250 million tonnes of oil and condensate, as well as more than 320 billion cubic metres of gas inclusive of Paleozoic deposits. A pilot field development programme was completed at the Novoportovskoye field in 2014, with production drilling commencing thereafter.

Shipments by sea from Cape Kamenny have been identified as the optimum solution for the transportation of oil. The first opportunity for despatching oil by sea during the winter season was confirmed by Gazprom Neft as early as 2011, following a pilot voyage by an icebreaker from the port of Sabetta (in the north—east of the Yamal peninsula) to Cape Kamenny.

Gazprom Neft began shipping Novoportovskoye oil through the Arctic Gates transhipment terminal on 25 May 2016, with the instruction to commence operation of the terminal being given by President of the Russian Federation Vladimir Putin himself. The characteristics of this new Yamal oil place it in the “light” category, with low sulphur content: at around 0.1 percent, this exceeds the quality not just of Urals blend, but also Brent crude.