Abstract
The article presents the results of geological exploration carried out in 2016–2018 in the Sinskaya area, located on the adjacent territory of the Vilyui syneclise and Aldan anteclise. Based on the complex of geochemical and seismic surveys in the northern part of the area, the identification of predicted oil and gas accumulation zones is substantiated. Predicted zones are distinguished at the site of reduced thicknesses and pinch-out of Permian and Triassic deposits. Taking into account the nature of concentration variations of HC components sorbed by subsoil sediments, it is assumed that hydrocarbon fluids have predominantly gas-condensate state. The appearance of the oil phase is predicted for the southern perspective zone. On the ground of predictive definitions and the results of performed operations, recommendations were given on the placement of parametric drilling and allocation of licensed blocks for subsequent exploration. Prognosis evaluations of HC resources are done.
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