SEISMIC DATA DYNAMIC INTERPRETATION IN THE STUDY OF THE LATERAL VARIABILITY OF PETROLEUM BEARING TERRIGENOUS RESERVOIRS
Niyaz A.T. Togizov K.S. Istekova S.A.
2023National 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
2023#2023Issue 6145 - 156 pp.
The article demonstrates the effectiveness of dynamic interpretation of seismic data in the study of terrigenous reservoirs formed under complex mining and geological conditions. Using the example of one of the oil fields, located within the Peri-Caspian oil and gas bearing province, at the junction of two large structural and tectonic elements of the earths crust-the Peri-Caspian and the North-Ustyurst Depressions, on local structures complicated by numerous faults, the results of detailed seismic studies using modern technologies for processing and interpretation of the field data. Based on reprocessing, dynamic processing and reinterpretation of seismic data previously performed in different years, cubes of attributes PIMP (longitudinal seismic impedance), LaRho, Vp/Vs, and pseudoporosity were obtained and a deep seismic geological model was built, which determined the structural and stratigraphic features of oil and gas complexes in the Jurassic deposits. A comprehensive analysis of seismic and well data with extensive use of the supreme materials on drilling and the analysis results of the reservoir exploration revealed the opportunities to identify new prospective exploration targets in terrigenous strata, to determine the reservoir parameters for recalculating reserves and further adjusting exploration of the reservoir.
attributes , dynamic interpretation , geophysical well surveys , petroleum bearing reservoirs , pseudoporosity cube , seismic exploration
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Satbayev University, 22 Satpaev St, Almaty, Kazakhstan
Satbayev University
10 лет помогаем публиковать статьи Международный издатель
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