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Prospecting and Development of Oil and Gas Fields

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Article

Prediction of changes in engineering and geological conditions of sites during the construction of wells' wellheads on the example of 914-Pasechnyanska well

Natalia Hoptarova, I. Popovych, N. Bronitska, Oleksandra Paliichuk, Lina Uhrak, A. Styslavska
Abstract

The relevance of research is due to the need to provide the industry with hydrocarbon raw materials. Today, to meet the needs of the industry and increase the energy independence of Ukraine, it is advisable to develop hydrocarbons. Therefore, there is a need for drilling and development of new wells. One of these is the 914-Pasechnyanska oil well, around which it is planned to build a complex of near-tower structures to service it. In accordance with this, a complex of engineering and geological studies and works should be carried out aimed at a detailed study of the geological conditions of the construction area. The main task of the work is to study the natural conditions of well 914-Pasechnyanska with near-tower structures located on it, assess the interaction of near-tower structures with the environment, and substantiate their engineering protection. The object of research is the process of interaction of structures with the base, the phenomenon of their possible subsidence and the bearing capacity of engineering-geological elements (EGE). The subject of research is the engineering and geological conditions of the territory. In a narrower sense - the characteristics of all selected EGE (their porosity, lithological and granulometric composition, consistency and other parameters determined by laboratory and field methods), determination of the groundwater level, assessment of a slope landslide and forecast of the development of unfavorable physical-geological processes. The work used analytical research methods (analysis of literature and fund materials) and experimental. The latter include such studies as drilling wells with the selection of monoliths and soil samples; laboratory studies of the physical and mechanical properties of soils; office processing of materials. Thanks to the drilling of wells with the sampling of monoliths and soil samples, the following were obtained: a layout of wells, marks of the boundaries of the EGE, soil layering, soil samples for laboratory research. Laboratory studies of the physical and mechanical properties of soils made it possible to obtain their physical and mechanical characteristics, and thanks to office processing - an engineering and geological section. The results obtained in the work are recommended to be used in the construction of near-tower structures of well No. 914. Also, these results complement the knowledge about the geological structure of this region and the Skibova zone of the folded region of the Ukrainian Carpathians

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Received 13.04.2022

Revised 08.09.2022

Accepted 28.11.2022

https://doi.org/10.31471/1993-9973-2022-4(85)-53-61
Retrieved from Vol. 22, No. 4, 2022
Pages 53-61

Suggested citation

Hoptarova, N., Popovych, I., Bronitska, N., Paliichuk, O., Uhrak, L., & Styslavska, A. (2022). Prediction of changes in engineering and geological conditions of sites during the construction of wells' wellheads on the example of 914-Pasechnyanska well. Prospecting and Development of Oil and Gas Fields, 22(4), 53-61. https://doi.org/10.31471/1993-9973-2022-4(85)-53-61

References

[1] Demchishin M.G. Technogenical influences on the geological environment of Ukraine. K.: IGS NAS of Ukraine, 2004. 156 p. [in Ukrainian]

[2] Demchishin M.G. Modern dynamics of slopes on the territory of Ukraine: engineering and geological aspects. К .: Naukova Dumka, 1992. 256 p. [in Russian]

[4] Gabinet M.P., Kulchytsky Ya.O., Matkovsky O.I. Geology and mineral resources of the Ukrainian Carpathians. Lviv: Vischa Shkola, 1976. 200 p. [in Ukrainian]

[5] Soils. Methods of laboratory determination of strength and deformation characteristics. DSTU B V.2.1-4-96. Kyiv: State Committee of Ukraine for Urban Planning and Architecture. 1997. [in Ukrainian]

[6] Zotsenko M.L. Engineering geology. Soil Mechanics, Fundamentals and Foundations: Textbook / M.L. Zotsenko, V.I. Kovalenko,  A.V. Yakovlev, O.O. Petrakov, V.B. Shvets,  O.V. Shkola, S.V. Bida, Yu. L. Vinnikov. Poltava: PNTU, 2003. 446 p. [in Ukrainian]

Ivano-Frankivsk National Technical University of Oil and Gas 76019, 15 Karpatska Str., Ivano-Frankivsk, Ukraine

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