Яндекс.Метрика
25.04.2025 |

A local high-resolution geomagnetic model designed and developed at IPGG SB RAS will beat foreign counterparts

Geomagnetic models provide information on the spatial distribution of geomagnetic field parameters and can be built both for the entire Earth (global geomagnetic model, to provide the most up-to-date and accurate global estimates) and for a relatively small area (to reveal local crustal field anomalies). They are actively used in different spheres, including mineral mining, specifically, hydrocarbon extraction. Since directional drilling is a firmly established technique within the industry, using magnetic survey instruments downhole to make measurements while drilling (MWD) can reduce drilling time and thus operational costs.

Scientists from the Trofimuk Institute of Petroleum Geology and Geophysics SB RAS have developed a high-resolution local geomagnetic model DIF-1 required for improved well-bore placement accuracy and enhancement of drilling efficiency. This model has been successfully used for more than two years at one of the densely drilled hydrocarbon fields in the Yamal-Nenets Autonomous District.

The model designed and developed at IPGG SB RAS involved a large amount of geological, geophysical and geomagnetic data for the area of oil field, thus ensuring its high-level accuracy. The Russian DIF-1 (in-field referencing) model is shown to be not inferior to the popular BGS (British Geological Survey) IFR-1 model in terms of the parameters taken into account and uncertainty estimates, and is therefore rightfully regarded as its appropriate import-substituting counterpart. When building the DIF-1 model, scientists from IPGG SB RAS made use of high-precision in-field geomagnetic measurements, which has increased its reliability and competitive abilities as compared to the BGS’s IFR-1 model.


High-precision geomagnetic observations being conducted by IPGG SB RAS specialists at operating oil and gas field in the Yamal-Nenets Autonomous District


The DIF-1 geomagnetic model was presented at the WG (working group) meeting of the Scientific and Technical Council (formed under the Head of the Minister of Energy of the Russian Federation) dedicated to the scientific and technological development of the fuel and energy complex. The meeting was attended by Vyacheslav Glinskikh, Director of IPGG SB RAS, Corr.Member of the Russian Academy of Sciences, and Petr Dyad’kov, PhD (geol.-mineral.), Head of the Laboratory of Natural Geophysical Fields (IPGG SB RAS).

The DIF-1 model developed by Novosibirsk scientists was praised highly by geoscientists and has aroused great interest among industry experts. In the future, IPGG SB RAS plans to improve the DIF-1 model and bring it to an even higher-level accuracy. To this end, the Institute has all necessary data and materials, competencies and specialists.

Published by IPGG Press Service

Photo courtesy of P.G. Dyadkov