Lithological and facial features of organogenic structures of the second carbonate stratum of the eastern flang of the Pre-Caspian depression on Zharkamys uplift
- Authors: Каn A.N.1, Akhmetshina L.Z.2
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Affiliations:
- KMG Karachaganak LLP
- Aktobe Oil Exploration Institute LLP
- Issue: Vol 3, No 4 (2021)
- Pages: 3-15
- Section: Articles
- URL: https://journal-vniispk.ru/2707-4226/article/view/125850
- DOI: https://doi.org/10.54859/kjogi99678
- ID: 125850
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Abstract
The Peri-Caspian Basin is the major oil and gas basin in Kazakhstan. It contains huge hydrocarbon reserves within pre-salt carbonate deposits. Numerous oil and gas-condensate fields, associated with the pre-salt carbonate complexes had been discovered in the Eastern part of the Peri-Caspian Depression. This work aims at the study of the second carbonate sequence (CS-II) of the Late Visean – Early Moskovian ages of the Eastern edge of the Peri-Caspian Depression. The formation of the Eastern edge of the Peri-Caspian Depression took place in the zone of the junction of the East European craton and folded structures of the Urals. These conditions predetermined the complexity of the sedimentation processes, variety of lithological types of rocks, and the diagenesis processes with the formation of high heterogeneity of the reservoirs. The CS-II will retain the leading role as the main reservoir of hydrocarbons and it has the further potential for oil exploration in the region for two to three decades. It is confirmed by the discovery of the large oil and gas-condensate fields in the CS-II, such as Zhanazhol, Urikhtau, Kozhasai, Alibekmola, etc.
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About the authors
Andrei Nikolayevich Каn
KMG Karachaganak LLP
Email: sedimen@gmail.com
candidate of geological and mineralogical sciences, the Director of the Department of Geology, Development, Hydrocarbon Production, Drilling and Workover Operations Nur-Sultan
Lemuza Zagitovna Akhmetshina
Aktobe Oil Exploration Institute LLP
Email: lena.kashcheeva.67@mail.ru
candidate of geological and mineralogical sciences, the Head of the Laboratory of Biostratigraphy Aktobe
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