Classification of absorption zones based on complications distribution patterns by tectonic elements in the Samara region
UDC: 622.248.3
DOI: 10.33285/0130-3872-2022-11(359)-18-22
Authors:
SHIPOVSKIY KONSTANTIN A.
1,2,
KAPITONOV VLADIMIR A.1,2,
KOVAL MAXIM E.1,2
1 SamaraNIPIneft, Samara, Russia
2 Samara State Technical University, Samara, Russia
Keywords: well designing, pressure gradients, loss zones, rock pressure, rock hydraulic fracturing, tectonic elements
Annotation:
The article presents the results of the analysis of absorption zones distribution along the stratigraphic section in accordance with the confinement to tectonic elements of the 1st order in the fields of the Samara region. Regularities of differently intense absorption zones distribution in the Zhiguli-Pugachevsky, Yuzhno-Tatar arches, Buzulukskaya, Melekesskaya depression, Sokskaya saddle are revealed. A classifier is presented for calculating pressures losses when designing a well. An algorithm has been developed for pressures calculation using the empirical coefficient method in the absence of field well logging data, mini-fracturing data and core material. Recommendations are given on the application of the empirical coefficient method for calculating pressures in the fields of the Samara region.
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