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- W570730703 abstract "As a result of gravi-exploration and seismic exploration works MOGT-3D (2009-2010) carried out by Gazprom JSC on the licensed area Sarikamish (Republic of Tajikistan), the subthrust structure Shakhrinav, with perspectives for the hydrocarbons exploration, was discovered and prepared as to Paleogene and Cretaceous deposits. In 2013, the drilling of the exploration and evaluation well N 1-p Shakhrinav with the bottom hole 6450 m was completed. It became the deepest well not only within the limits of the Kafirniganskaya anticline zone of the Afghan-Tajik depression (ATD). but also in the whole Central Asia. The drilling results allow. for the first time. almost a full study of the Paleogene Cretaceous cross-section of the autochthonous (subthrust) block. including the Low Cretaceous deposits (Barremian stage). The final conclusions as to the perspectives of the oil and gas production of the deposits of the autochthonous block will be made according to the testing results on the well № 1-p Shakhrinav. However. at this stage of geological exploration works the valuable information was obtained as to the geological structure of the explored area. the lithological composition of reservoir and the thermobaric formation conditions on the subthrust block. As a result of the works. the presence of a large Babatagsky thrust was confirmed. as well as the suggestion on the similarity of the lithologic and stratigraphic composition and structure of the thrust (allochthonous) and the subthrust (autochthonous) parts of the crosssection. According to the results of the geophysical research and the preliminary results of the study of the selected soil. the conclusion was made that the biggest exploration interest in the paleogene deposits of the authochthonous block represent the Bukhara strata. whose reservoir permeability and porosity turned out to be higher than in the Alaya and Adjara strata. Cenomanian and Aptian rocks have the most open porosity in the cross-section of the Cretaceous deposits of the autochthonous block. The Cenomanian rocks turned out to be the most permeable." @default.
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- W570730703 date "2014-01-01" @default.
- W570730703 modified "2023-09-28" @default.
- W570730703 title "Перспективы нефтегазоносности поднадвиговой структуры Шахринав (Республика Таджикистан)" @default.
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