ASSESSMENT OF THE CHARACTERISTICS OF THE GEOLOGICAL SECTION OF WELLS BASED ON COMPLEX GEOPHYSICAL AND TECHNOLOGICAL INFORMATION
Kassanova A.G. Efendiyev G.M. Piriverdiyev I.A. Karazhanova M.K. Akhmetov N.M.
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 4184 - 198 pp.
The effectiveness of well wiring and technological decisions made largely depend on the use of comprehensive geological, geophysical and technological information. In order to study the section more deeply and thereby improve the quality of decisions made on the choice of rock-crushing tools and drilling mud, it is necessary to apply the results of geological and technological information (GTI) in combination with geophysical well surveys (GIS). To this end, in this article, using modern methods based on mathematical statistics and fuzzy set theory, calculations were performed using the example of some wells in the Bahar (Azerbaijan) and Zhetybai (Kazakhstan) fields. This technique provides a more accurate recognition of lithological differences in the rocks of the borehole section. When using comprehensive information, it is possible to follow the intervals of possible complications by comparing changes in rock properties and drilling speed to identify homogeneous intervals in terms of rock properties and drillability in general. The algorithm proposed in the article makes it possible to improve the quality of information about the well section, which in turn will also make it possible to make more correct technological decisions on the choice of rock-crushing tools and drilling mud. As a result of the analysis of complex geophysical and geological-technological information using modern methods based on the principles of mathematical statistics and the theory of fuzzy sets, calculations were performed using the example of some wells.
abrasiveness , geological-technological information , hardness , homogeneous intervals , rock properties
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Caspian State University of Technology and Engineering named after Sh. Yessenov, Aktau, Kazakhstan
Institute of Oil and Gas of the Ministry of Science and Education of the Republic of Azerbaijan, Baku, Azerbaijan
Atyrau University of Oil and Gas named after S. Utebayev, Atyrau, Kazakhstan
Caspian State University of Technology and Engineering named after Sh. Yessenov
Institute of Oil and Gas of the Ministry of Science and Education of the Republic of Azerbaijan
Atyrau University of Oil and Gas named after S. Utebayev
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