B.S. Aslanov, A.I. Khuduzade, F.B. Aslanzade
New data on deep-seated folding of Mesozoic series (by the example of Yevlakh-Agdzhabedinsky Trough, Azerbaijan)
DOI 10.31087/0016-7894-2020-3-19-28

Geological and geophysical studies carried out in the second half of the last century on the north-eastern side of the Yevlakh-Agdzhabedinsky Trough revealed the oil and gas potential of the deep-seated Upper Cretaceous Mesozoic horizons and shallower Paleogene and Miocene series. Oil and gas bearing pay intervals are identified within Muradkhanli, Zardab, Shykhbagi, and Jafarli structures, which are the parts of the Zardab-Muradkhanli-Jafarli Tectonic Belt. Oil and gas occurrence is lithologically associated mainly with Upper Cretaceous fractured effusive and carbonate rocks, and also with Middle Eocene sedimentary-igneous rocks, and partially with Maykop-Chokrak terrigenous reservoirs belonging to structural traps. A number of researchers concluded that in favorable geological conditions on the northeastern side of the trough, the Mesozoic formations may also contain commercial oil and gas accumulations. Based on this, the bulk of exploratory drilling and geophysical investigations in recent years has been focused in the Yevlakh-Agdzhabedinsky Depression, where, in addition to the Paleogene-Miocene, the Mesozoic formations are widely developed. These studies resulted in updating the deep structural and tectonic architecture and petroleum potential of both southwestern and northeastern trough slopes. It was found that in accordance with hydrocarbon saturation, the northwestern and southeastern slopes differ from each other both in structural, tectonic terms, and in oil and gas potential, which is possibly related to different the Cenozoic and Mesozoic folding cycles.

 

Key words: tectonics; volcano and effusive rocks; Mesozoic; Cainozoic; chalk; Maykop; Chokrak; stratigraphy; lithology.

For citation: Aslanov B.S., Khuduzade A.I., Aslanzade F.B. New data on deep-seated folding of Mesozoic series (by the example of Yevlakh-Agdzhabedinsky Trough, Azerbaijan). Geologiya nefti i gaza. 2020;(3):19–28. DOI: 10.31087/0016-7894-2020-3-19-28. In Russ.

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B.S. Aslanov
Doctor of Geological and Mineralogical Sciences,

"OilGasScientificResearchProject" Institute, Baku, Azerbaijan
beyler@inbox.ru
ORCID ID: 000-0001-5530-0682

 

А.I. Khuduzade
Candidate of Geological and Mineralogical Sciences,

Azneft Production Union, Baku, Azerbaijan
a.xuduzade@gmail.com
ORCID ID: 0000-0002-2334-6886

 

F.B. Aslanzade
PhD in Economics,

Azerbaijan State Oil and Industry University, Baku, Azerbaijan
fidan_aslanzade@mail.ru
ORCID ID: 000-0002-5425-8336