Geodynamic and Fluid Dynamic Processes in Formation of the Anomalous Crust beneath the Yurubchen-Tokhomo Oil and Gas Accumulation Zone of the Siberian Platform

摘要

Recent geophysical studies carried out in hydrocarbon provinces have revealed spatial confinement of the oil and gas accumulation zone to areas with an anomalous crustal structure. In our opinion, the most significant results concerning this problem were obtained by A.V. Egorkin based on multichannel deep seismic profiling. Egorkin demonstrated a stable correlation between positions of deep (mantle and crustal) anomalous seismic domains and hydrocarbon accumulations in the sedimentary cover and the lack of anomalous patterns beyond localization areas of oil and gas condensate [1]. At the same time, despite the increasing quantity of such works, they do not consider processes that result in such a correlation.