GEOLOGICAL AND HYDRODINAMIC MODELING OF AN OIL FIELD OF THE PRICASPIAN REGION OF THE REPUBLIC OF KAZAKHSTAN
Urmanova D. Durmagambetov B. Humphrey J.D. Zagranichniy S.
2022National 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
2022#5Issue 455266 - 288 pp.
Application of field modeling methods in Kazakhstan has been going on for decades, in parallel with the discovery of new oil and gas fields in the Caspian basin. The purpose of this article is to provide the results of a comprehensive geological survey of an oil field in the west of the Republic of Kazakhstan and to introduce an application hydraulic fracturing technology. The methods used for modeling the field are considered in detail, namely: petrophysical interpretation of wells; seismic interpretation (analysis of seismic attributes for selected intervals); geological modeling (cross-well correlation and channel sediment identification, structural modeling, property modeling). As a result of the analysis of seismic attributes, potential development targets were delineated in the form of polygons, which were further involved in geological modeling. Following the completion of the aggregation phase, areas of possible associated channel sandstones / sand trends in each zone were mapped. When modeling properties for the final saturation model, predefined oil contacts were introduced, which made it possible to define the geometry of oil deposits by zones. Comparative experimental dynamic calculations of hydraulic fracturing modeling methods using the EasyFrac plugin and the HydroFrac well completion method were carried out. Under the same initial conditions, the Easy Frac plugin demonstrated a better possibility of liquid extraction, the pick-up rate of injection wells, an earlier water breakthrough into the producing well. Experimental calculations were carried out using the KINETIX hydraulic fracturing modeling technology, which demonstrated the possibility of creating a detailed design of the procedure for conducting a hydraulic fracturing operation, selecting the technology depending on the desired result.
geological exploration , hydraulic fracturing , Kazakhstan , modeling methods , oil field , Petrel , Pricaspian region
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Satbayev University, Almaty, Kazakhstan
KNOC Kazakhstan, Almaty, Kazakhstan
King Fahd, University of Petroleum and Minerals, Dhahran, Saudi Arabia
Satbayev University
KNOC Kazakhstan
King Fahd
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