Translation. Region: Russian Federation –
Source: Rosneft – An important disclaimer is at the bottom of this article.
As a result of effective geological exploration and revaluation of field resources, Orenburgneft (part of Rosneft's oil production complex) has increased its hydrocarbon reserves by over 13 million tonnes of oil equivalent by the end of 2025. Production replacement has reached nearly 160%.
Following the drilling of exploration and appraisal wells, Orenburgneft geologists discovered two new oil fields: Molodezhnoye within the Skvortsovsky subsoil block and Yuzhno-Veselovskoye within the Yasnogorsk block. Following a comprehensive interpretation of 3D seismic data, these license areas have been prepared for further exploration drilling. Their resource potential will contribute to the company's stable oil production in the long term.
Orenburgneft geologists also discovered nine new deposits within existing fields as a result of successful geological and technical activities as part of a program to search for overlooked deposits.
The company's resource base was also increased by a revaluation of reserves, taking into account the introduction of new technologies, clarification of the geological structure of deposits, further exploration of poorly studied areas, and the development of methods for commissioning new deposits.
The company is currently operating at 110 fields. During their development, horizontal and directional wells are drilled, which increases flow rates and oil recovery rates.
Improving the efficiency of reserve replacement is a key element of Rosneft's strategy. Orenburgneft annually ensures over 100% of its liquid hydrocarbon production is replaced through reserve growth.
Reference:
Orenburgneft, a subsidiary of Rosneft Oil Company, operates in the Orenburg, Samara, and Saratov regions. Cumulative oil production exceeds 470 million tons.
Department of Information and Advertising of PJSC NK Rosneft February 24, 2026
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