Induced seismicity response of hydraulic fracturing: results of a multidisciplinary monitoring at the Wysin site, Poland
PBN-AR
Instytucja
Instytut Geofizyki Polskiej Akademii Nauk
Informacje podstawowe
Główny język publikacji
en
Czasopismo
SCIENTIFIC REPORTS OF THE NATURE PUBLISHING GROUP (40pkt w roku publikacji)
ISSN
2045-2322
EISSN
Wydawca
DOI
URL
Rok publikacji
2018
Numer zeszytu
8653
Strony od-do
1-14
Numer tomu
Identyfikator DOI
Liczba arkuszy
Streszczenia
Język
en
Treść
Shale oil and gas exploitation by hydraulic fracturing experienced a strong development worldwide over the last years, accompanied by a substantial increase of related induced seismicity, either consequence of fracturing or wastewater injection. In Europe, unconventional hydrocarbon resources remain underdeveloped and their exploitation controversial. In UK, fracturing operations were stopped after the Mw 2.3 Blackpool induced earthquake; in Poland, operations were halted in 2017 due to adverse oil market conditions. One of the last operated well at Wysin, Poland, was monitored independently in the framework of the EU project SHEER, through a multidisciplinary system including seismic, water and air quality monitoring. The hybrid seismic network combines surface mini-arrays, broadband and shallow borehole sensors. This paper summarizes the outcomes of the seismological analysis of these data. Shallow artificial seismic noise sources were detected and located at the wellhead active during the fracturing stages. Local microseismicity was also detected, located and characterised, culminating in two events of Mw 1.0 and 0.5, occurring days after the stimulation in the vicinity of the operational well, but at very shallow depths. A sharp methane peak was detected ~19 hours after the Mw 0.5 event. No correlation was observed between injected volumes, seismicity and groundwater parameters.
Cechy publikacji
discipline:Geofizyka – dziedzina nauk o ziemi
discipline:Geophysics – field of earth sciences
Original article
Original article presents the results of original research or experiment.
Oryginalny artykuł naukowy
Oryginalny artykuł naukowy przedstawia rezultaty oryginalnych badań naukowych lub eksperymentu.
Inne
System-identifier
PBN-R:874841
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