INTEGRATED GEODYNAMIC MONITORING AND RISK ASSESSMENT OF DEFORMATION PROCESSES AT THE BOZASHY NORTH OIL AND GAS FIELD
Аbetov A. Katrenov Z. Kudaibergenova S. Kisseyeva S.
2025National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2025#2025Issue 39 - 26 pp.
This article presents the results of a comprehensive study on modern geodynamic monitoring methods used to assess surface deformation at the Bozashy North oil and gas field. The field features a block-faulted structure and shallow productive horizons, making it highly sensitive to anthropogenic impacts. The study focuses on analyzing the causes and dynamics of surface subsidence and uplift driven by hydrocarbon extraction, fluid injection, and natural tectonic factors. An integrated monitoring approach was applied, combining high-precision geometric leveling, GNSS observations, gravimetry, and satellite radar interferometry (InSAR). This integration improved the reliability and spatial resolution of deformation measurements. Stable deformation patterns were identified: subsidence in the central uplifted zone and uplift along the periphery, correlating with reservoir pressure variations and operational activity. A comparative analysis with international cases enabled classification of the observed deformation behavior as typical for geodynamically unstable fields under intensive development. Scientific novelty includes the development of an integrated geodynamic monitoring methodology that merges ground-based and remote sensing techniques, surface deformation modeling that accounts for geological, physical, and operational factors, and a risk classification system for induced seismicity based on field data and global analogs. Practical significance lies in the applicability of the methods and findings for georisk assessment, prediction of surface behavior, optimization of production and injection strategies, and ensuring safe, sustainable development of oil and gas fields with similar geological and tectonic settings.
geo-hazard , GNSS measurements , high-precision GPS measurements , high-precision gravimetric measurements , integrated geodynamic monitoring , radar interferometry , repeatable accurate levelling
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Satbayev University, Almaty, Kazakhstan
Satbayev University
10 лет помогаем публиковать статьи Международный издатель
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