Mine seismic prediction of tectonic faults by reflected waves using the method of location

The article presents the case-study of geological anomaly delineation by reflected waves in seismic logs of the common excitation point and the common receipt point using a dedicated software. The proposed data processing flow consists in consistent fulfillment of a sequence of stages. Sorting of seismic logs is followed by band and band-elimination filtering, selection of optimal filter passband and identification of interfering axes of phase synchronization of different-nature waves. The axes of phase synchronization of information-bearing waves are identified by the points of the first arrivals. By these points, ellipses are automatically drawn so that their focuses are at the excitation and receipt points while the value of doubled semi-axes is equal to the product of velocity and first arrival time of a wave. The criterion of reflecting boundaries is the distinctive approach or intersection of the ellipses in a local zone of a supposed reflecting boundary. The data processing algorithm allows revealing tectonic faults within a radius to 200 m around a roadhead. Reflecting boundaries at greater distances from roadheads are located on an estimation basis. The developed algorithm and software can be used by geophysical services and specialized geological exploration agencies for processing and analysis of seismic survey data when predicting structure of coal-and-rock masses.

Keywords: mine seismic survey, software, seismic location, seismic logs, method of ellipses.
For citation:

Antsiferov A. V., Glukhov A.A., Antsiferov V.A. Mine seismic prediction of tectonic faults by reflected waves using the method of location. MIAB. Mining Inf. Anal. Bull. 2020;(6):131-139. [In Russ]. DOI: 10.25018/0236-1493-2020-6-0-131-139.

Issue number: 6
Year: 2020
Page number: 131-139
ISBN: 0236-1493
UDK: 550.834:622.12
DOI: 10.25018/0236-1493-2020-6-0-131-139
Article receipt date: 09.12.2019
Date of review receipt: 09.02.2020
Date of the editorial board′s decision on the article′s publishing: 20.05.2020
About authors:

A.A. Glukhov1, Dr. Sci. (Eng.), Senior Researcher, Head of Department, e-mail: Glukhov1964@yandex.ru,
A.V. Antsiferov1, Dr. Sci. (Eng.), Professor, Corresponding Member, National Academy of Sciences of Ukraine, Director,
V.A. Antsiferov1, Cand. Sci. (Eng.), Senior Researcher,
1 Republican Academic R&D Institute of Mining Geology, Geomechanics, Geophysics and Mine Surveying (RANIMI), Ministry of Education and Science of the Donetsk People's Republic, 283004, Donetsk DPR.

For contacts:

A.A. Glukhov, e-mail: Glukhov1964@yandex.ru.


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