Upstream

In accordance with PJSC Sakhavostokneftegaz’s strategy approved by the management, the key objectives of the company’s exploration and drilling program are defined by ensuring replenishment of liquid hydrocarbon reserves and achieving exploration success by 95% within the next 5 years, development of advanced technologies and innovative solutions will assist the company to achieve its goals.

45 mtoe

Geological reserves

14 mtoe

Recoverable reserves

13 fields

Successful exploration

17 wells

Exploration wells

Licensed Geological Exploration

Modeling methods for field seismic surveys have been introduced, allowing the company to procure optimal surveillance systems for projects in the Western region of Siberia and Sakhalin.

The company uses an industry-unique seismic data analogs recording system, the use of 3D winter tests of this system helps us to maximize field projects. The results exceeded our expectations – geological information contents productivity was increased significantly, and the possibility of working in remote areas was demonstrated.

PJSC Sakhavostokneftegaz is developing methods for increasing the efficiency success for exploratory drilling, using advanced technologies for processing and interpretation of seismic data. In particular, innovative approaches have been used to take into account the upper part of the section to minimize the forecast error of structures.

At the design stage, finite-difference modeling of the wavefield is carried out to select the optimal parameters for seismic surveying. Now the geologist spends lesser time observing, analyzing geological information, and evaluating matured fields for data processing with the help of artificial intelligence.

We achieved a high success rate on the 17 licensed exploration wells that were completed onshore. Over 2,778 square kilometers of the 3D seismic survey was completed.

4500


Kilometers Access To Explore

2778


Sq Km Of 3D Seismic Survey Completed

34m


Total Reserves Of 34 Million Tons Of Oil Equivalent Discovered

PJSC Sakhavostokneftegaz is consistently implementing the development strategy of our projects onshore in Russia regions, including the annual increase in the growth rate of recoverable reserves. As significant results are achieved geologists are still exploring significantly more oil reserves than they are extracting from each project. In the past few years, the increase in reserves exceeds over 500 thousand tons.

The main achievement of the exploration program is the discovery of three new fields in the regions of operations, which is according to the results of drilling the first exploratory wells. The company carried out geological exploration of gas assets of the company in the following volumes: 3D seismic exploration – 17 sq. Km

The increase of PJSC Sakhavostokneftegaz’s gas reserves in Western Siberia amounted to 1.7 billion m3 additional.