MATCHED FILTER APPROACH FOR MICROSEISMIC SIGNAL PROCESSING OF REAL DATA FROM EAST POMERANIA SHALE GAS - Publication - Bridge of Knowledge

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MATCHED FILTER APPROACH FOR MICROSEISMIC SIGNAL PROCESSING OF REAL DATA FROM EAST POMERANIA SHALE GAS

Abstract

The microseismic monitoring is a method of monitoring of fracture propagation during hydraulic fracturing (HF)process. An array of several hundred geophones is placed on the surface to record little ground tremors induced by fracturing process. Filtration and summation of signals from geophones is essential to identify and locate fracturing events from underground. Authors propose a method of matched filtering, that is usually used for detection of outliers in music records, to improve signal to noise ratio. A real data acquired from patch array of receivers in east pomerania during hydraulic fracturing operation is used for the research. The data is analysed on several levels of summation, starting from line signals through patch signals, ending with stack signal. The patterns are acquired from known events detected by our commercial partners - Seismic s.r.o. Strong events and perforation shots signals of known locations are analysed and compared with only-noise records giving the evaluation of detectability.

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Details

Category:
Conference activity
Type:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Title of issue:
17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining strony 245 - 252
ISSN:
1314-2704
Language:
English
Publication year:
2017
Bibliographic description:
Kmieć M., Antoszkiewicz M., Jankowski R., Szkodo M.: MATCHED FILTER APPROACH FOR MICROSEISMIC SIGNAL PROCESSING OF REAL DATA FROM EAST POMERANIA SHALE GAS// 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining/ : , 2017, s.245-252
DOI:
Digital Object Identifier (open in new tab) 10.5593/sgem2017/14/s05.031
Verified by:
Gdańsk University of Technology

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