Prospectivity Assessment of Bazhenov Formation Using Cutting-edge Integrated Static Model

Ugryumov, Alexander; Petrova, Daria; Sannikova, Irina; Kasyanenko, Anton; Khachaturyan, Michael; Kolomytsev, Alexander; Yuschenko, Taras; Plotnikov, Bogdan; Karimov, Ilnur

doi:10.15530/urtec-2022-3723536

Cited by 2 publications

(1 citation statement)

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“…One of the most significant contributions to the result was the implementation of a unique research program, including covering the entire site with wideazimuth 3D seismic and controlled source electromagnetic surveys, and acquiring a large set of spatially distributed well data (core, logs, PVT, etc.). This program made it possible to create a digital twin of the most complex reservoir system and move to a new level in the field development management [163]. The progress achieved allowed for starting the commercial development of shale oil as early as 2023.…”

Section: Field-scale Shale and Tight Oil Recoverymentioning

confidence: 99%

Tight and Shale Oil Exploration: A Review of the Global Experience and a Case of West Siberia

Dorhjie,

Mukhina,

Kasyanenko

et al. 2023

Energies

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Shale and tight oil reservoirs, with horizontal wells and hydraulic fractures, typically have a recovery ratio of around 10%. The exploration of tight oil and shale in North America has proven economically viable, thanks to advancements, such as horizontal wells, hydraulic fracturing, and other enhanced oil recovery techniques. Taking inspiration from the global experience (the North American shale experience), the exploration and development of the West Siberian tight and shale reserves was more focused on the reported best practices of the exploration of North American shale. In this study, the advance in the specific areas of shale and tight oil exploration was considered, with more emphasis placed on the progress in the exploration of West Siberian shales. According to the review literature, thermal enhanced recovery methods capable of converting organic matter into hydrocarbons were studied more than other methods of enhanced oil recovery. Aligned with global trends, there has been a growing focus on research aiming to integrate data-driven approaches and pore-scale simulations to enhance recovery from tight and shale formations. Multiple pilot studies have showcased promising prospects for implementing multistage hydraulic fracturing. Nevertheless, there are limited pilot studies dedicated to enhanced oil recovery methods for West Siberian shale.

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Section: Field-scale Shale and Tight Oil Recoverymentioning

confidence: 99%

Tight and Shale Oil Exploration: A Review of the Global Experience and a Case of West Siberia

Dorhjie,

Mukhina,

Kasyanenko

et al. 2023

Energies

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View full text Add to dashboard Cite

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Identification of the Composition and Assessment of the Influence of the Solid Hydrocarbon Phase in the Reservoir on the Behavior of the Mobile Fluid of the Bazhenov Formation During the Reservoir Development

Yushchenko,

Sannikova,

Kulkov

et al. 2024

Georesursy

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The purpose of the work is to identify the composition of the initial reservoir hydrocarbon (HC) system of the Bazhenov formation, as well as to assess the influence of the presence of a heavy solid hydrocarbon phase (bitumen) in the formation on the production of mobile fluids using PVT modeling methods. The article describes the necessary experiments to determine the component composition of the C81+ fraction and the PVT properties of the formation mobile fluid taken from the well and the bitumen extract from the rock, and also presents their results. In addition, the properties of fractions up to C81+ were calculated depending on the molecular weight for PVT modeling (extension of the Katz-Firuzabadi table). One of the important parts of the article is the assessment of the ratio of bound and free oil in the original reservoir system. Based on geochemical research data, an analysis was performed to assess the component composition of the original system (using the example of the Bazhenov Formation) using rock pyrolysis and studying formation fluid and bitumen. Using the results of studies of reservoir fluid samples, a PVT model was built and tuned. This PVT model was used to assess the properties of the initial reservoir hydrocarbon system and was adjusted to the fraction of the solid phase in the reservoir at the initial reservoir conditions. After this, based on the PVT model, an assessment was made of the influence of the presence of a solid phase in the composition of the reservoir system on the behavior of a mobile hydrocarbon fluid during reservoir development for depletion, as well as on the use of enhanced oil recovery methods (injection of associated petroleum gas and thermal methods of influencing the reservoir).

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Prospectivity Assessment of Bazhenov Formation Using Cutting-edge Integrated Static Model

Cited by 2 publications

References 0 publications

Tight and Shale Oil Exploration: A Review of the Global Experience and a Case of West Siberia

Tight and Shale Oil Exploration: A Review of the Global Experience and a Case of West Siberia

Identification of the Composition and Assessment of the Influence of the Solid Hydrocarbon Phase in the Reservoir on the Behavior of the Mobile Fluid of the Bazhenov Formation During the Reservoir Development

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