On the possibility of using microseismic emission in exploration for oil and gas deposits in the paleozoic basement

We presents the results of microseismic analysis based on 2D RM-CDP data obtained in the Verkhnekombarskaya area (Tomsk region). It has been proven that three productive wells that discovered gas condensate and oil deposits in Paleozoic sediments are accompanied by anomalies in the spectrum of microseisms of various shapes in the range of 10–25 Hz. Anomalies are detected at late times in the paths, after the passage of the primary waves from the explosion, which indicates their emissive nature. Anomalies are confirmed on intersecting profiles. Microseismic spectrum anomalies are identified, widespread in the northeastern part of the area; isolated anomalies are also present in the central and eastern parts. The results can be useful in complex data interpretation when forecasting oil and gas fields.