Press release: Gazprom Neft’s total hydrocarbon reserves stand at 2.78 billion tonnes as at end-2017, with a reserve-replacement ratio of 170 percent

Gazprom Neft has completed auditing of the company’s hydrocarbon reserves as at 2017. As at 31 December 2017 the company’s total proved and probable hydrocarbon reserves (proved + probable — 2P based on SPE-PRMS international standards,* including proportional shares in production at joint enterprises**) totalled 2.78 billion tonnes of oil equivalent (toe) — a year-on-year increase of 2.3 percent. Production volumes in 2017, at 89.75 mtoe, were compensated by reserves replacement in the order of 170 percent. The audit was undertaken by independent international consulting company DeGolyer and MacNaughton.

Proved 1P hydrocarbons as at end 2017 are estimated at 1.52 btoe — an increase of 0.6 percent, year-on-year. The reserve replacement ratio for this category of reserves is 110 percent Gazprom Neft’s reserves-to-production ratio in terms of proved hydrocarbon reserves (SPE-PRMS standards) is 17 years. According to SEC standards,*** the company’s total hydrocarbon reserves stand at 1.34 mtoe (an increase of 3.4 percent over 2017).

Drilling of 27 prospecting and exploratory wells was completed in this accounting period, with drilling meterage in 2017 increasing by 41.2 percent (to 94,600 metres). Four new wells and 42 hydrocarbon deposits were discovered last year throughout the group’s licence blocks.

A key positive factor in allowing the company to expand its resources base has been the fine-tuning of technologies in geological prospecting and development drilling, together with the implementation of dynamic ranking for all company options. Gazprom Neft’s new assets — including the TazovskoyeSevero-Samburgskoye and Kamennomysskoye fields — have all made a major contribution to expanding the company’s resource base.

An assessment of prospective resources at Gazprom Neft’s licence blocks on the Arctic Shelf was undertaken for the first time in 2017, with DeGolyer and MacNaughton estimating these at 1.6 billion tonnes of oil and three trillion cubic metres of gas.

Vadim Yakovlev, First Deputy CEO, Gazprom Neft, commented: «Gazprom Neft last year continued its consistent development of its upstream projects, as well as undertaking work on accessing new licence blocks. Major discoveries were confirmed, which have made the company’s resource base still more balanced and high-quality. The company’s priority development vectors continue to include improving quality in the development of new reserves, active work in studying low-permeability strata, and implementing a programme for improving efficiency in production in those regions in which the company has traditionally operated.»


* Gazprom Neft’s total reserves include allocations proportional to the company’s interests in affiliated companies (including Slavneft, Tomskneft, Salym Petroleum Development, SeverEnergia, Messoyakhaneftegaz and Northgas, as well as assets in Iraq and Venezuela), but exclude the company’s reserves arising from its interests in NIS, Serbia.

** Developed by the Society of Petroleum Engineers (SPE), the SPE’s Petroleum Resources Management System (SPE-PRMS) is the most widely used reserves classification system in the world, reflecting not only the likely detection of oil and gas reserves, but also the economic viability of their recovery, with reserves classified according to three categories: 3P — proved, probable, and possible.

*** The reserves classification system developed by U.S. Securities and Exchange Commission.

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