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Gazpromneft-Noyabrskneftegaz discovers promising new licensing blocks in the Yamalo-Nenets Autonomous Okrug

Gazpromneft-Noyabrskneftegaz has identified two new promising clusters, with reserves in place estimated at 80 million tonnes of oil equivalent (mtoe), during geological prospecting works at the Vorgensky license block (Yamalo-Nenets Autonomous Okrug).*

Company specialists will be undertaking 3D seismic works, together with exploratory and appraisal drilling, in order to clarify the blocks’ full resource potential by 2025.

Geochemical prospecting had previously been undertaken over a 7,000 km area at the Vorgensky block, with the aim of evaluating fluid types (oil, gas condensate and gas) — the results obtained, together with 2D-seismic data, having made it possible to identify a 1,300-km area with potential for more detailed investigations.

“The Vorgensky block is currently the largest in Noyabrskneftegaz’s asset portfolio. Outlining oil-bearing strata will lead to greater success in exploratory and appraisal drilling, and speed-up the subsequent development of this area, which will be a major factor not just in the further development of our business, but for oil production in Yamal, as a whole.”
Alexander Shushakov
Alexander Shushakov CEO, Gazpromneft-Noyabrskneftegaz
“The Vorgensky licence block was home to our testing our own range of infield geo-chemical surveying technologies for the first time in Russia — which made it possible for us to clarify and fine-tune the region’s resource base. Rolling-out and scaling up experience in using non-seismic methodologies, and integrating these with seismic data, will allow the company to increase speed and quality — and optimise costs — in geological prospecting works.”
Yuri Masalkin
Yuri Masalkin Director for Geological Prospecting and Resource Base Development, Gazprom Neft
Notes for editors

* Covering an area of 11,700 square kilometres, the Vorgensky license block is located in the Krasnoselkupsky District of the Yamalo-Nenets Autonomous Okrug, 320 km east of Noyabrsk. It forms part of Noyabrskneftegaz’s Otdalennaya group of fields, and adjoins the Vorgensky field, under development since 2010.

Surface geochemical surveying is a methodology for evaluating surface concentrations of hydrocarbons, based on the belief that hydrocarbon molecules located at depths of two to three kilometres can migrate and form geochemical fields. Detecting these molecules makes it possible to identify the limits (borders) of oil-bearing areas, and to assess the phase composition (fluid content) of the hydrocarbons within such deposits.