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Preliminary Detection of Induced Microseismicity in an Onshore Oilfield: A Pilot Case Study from Abu Dhabi
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, Sixth EAGE Workshop on Passive Seismic, Jan 2016, Volume 2016, p.1 - 5
Abstract
Summary
A pilot case study of microseismic monitoring using a single vertical receiver array in an onshore oilfield in Abu Dhabi is presented. For the majority of the data, the background noise level is high (SNR<1 db), which makes it very challenging to find well-defined P and S waves simultaneously. A total of 180 potentially injection/production induced microseismic events have been detected by a combination of band-pass filtering, STA/LTA and apparent velocity estimation methods. However, further analysis such as time-frequency analysis, matched filtering method and hodogram analysis are still required to suppress the noise and verify the events.
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