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Dive into the research topics where Fuxian Song is active.

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Featured researches published by Fuxian Song.


Istanbul 2012 - International Geophysical Conference and Oil & Gas Exhibition | 2012

Detection and Enhancement of Microseismic Signals with Correlation Operators: "Cross Product and Master Event" Methods

Erkan Ay Halliburton; H. Sadi Kuleli; Fuxian Song; M. Nafi Toksöz

A class of more general polarization filters, referred to as rectilinear motion detectors (REMODE), is being developed in which the filter functions are based on the correlation functions for two components. Sometimes the correlation function is used between a selected signal describing a target seismic event and seismic data (Gibson and Ringdal 2006). In this study, two ―linear motion detector‖ type operators were applied to enhance the signal/noise ratio of the microseismic signal.


Seg Technical Program Expanded Abstracts | 2011

Kinematics of Rupture Propagation During Hydraulic Fracturing

Fuxian Song; M. Nafi Toksöz

Summary The problem of hydraulic fracture propagation is of great interest for unconventional gas development because of wide use of fracturing treatment. In this paper, we analyzed a microseismic dataset from hydraulic fracture stimulation of a tight gas reservoir at Dowdy Ranch field, USA in order to determine the kinematics of fracture propagation. Evaluation of the spatial-temporal distribution of microseismic events reveals an asymmetric hydrofracture growth on two sides of the injection well; the east wing was almost three times longer than the west wing. The asymmetry was also reflected in the speed of growth and the number of microseismic events, with almost four times greater speed and ten times more events to the east than to the west. The east and west wings propagate at an average rate of 0.49 and 0.13 m/minute separately in a three-hour period. The average rupture size per event is around 0.58 m and 1.87 m for the east and west wings, respectively. Full waveform based complete moment tensor inversion indicates a dominant shearing mechanism of hydrofracture events. The derived source radius is similar to the average rupture size.


Beijing 2009 International Geophysical Conference and Exposition | 2009

Improved Methods for Hydrofrac Event Detection and Phase Picking

Bruce E. Cornish; John A. Quirein; Erkan Ay; Donghong Pei; Steve Zannoni; Fuxian Song; Huseyin Sadi Kuleli; M. Nafi Todreas; Haijiang Zhang

The ability to detect small microseismic events and identify their P and S phase arrivals is a key issue in hydraulic fracture monitoring because of the low signal-to-noise ratios. We propose a array-based waveform correlation approach to detect small magnitude events with similar mechanisms and locations as a nearby master event. For the phase picking part, a transformed spectrogram method is used to identify the weak P arrivals. We have applied the technique to a downhole monitoring dataset of the microseismic events induced by hydraulic fracturing. The results show a better phase identification.


Geophysics | 2011

Full-waveform based complete moment tensor inversion and source parameter estimation from downhole microseismic data for hydrofracture monitoring

Fuxian Song; M. Nafi Toksöz


Geophysics | 2014

Full-waveform based microseismic source mechanism studies in the Barnett Shale: Linking microseismicity to reservoir geomechanics

Fuxian Song; Norm Warpinski; M. Nafi Toksöz


International Symposium on In-Situ Rock Stress | 2010

Downhole Microseismic Monitoring of Hydraulic Fracturing:A Full-waveform Approach For Complete Moment Tensor Inversion And Stress Estimation

Fuxian Song; M. Nafi Toksöz; Junlun Li


Seg Technical Program Expanded Abstracts | 2012

Full waveform based microseismic source mechanism studies in the Barnett shale using dual array data

Fuxian Song; M. Nafi Toksöz


Archive | 2009

Model-guided Geosteering for Horizontal Drilling

Fuxian Song; M. Nafi Toksöz


Archive | 2013

Full-waveform Based Microseismic Event Detection and Signal Enhancement: The Subspace Approach

Fuxian Song; Norm Warpinski; M. Nafi Toksöz; Huseyin Sadi Kuleli


Geophysics | 2012

To: “An improved method for hydrofracture-induced microseismic event detection and phase picking,” Fuxian Song, H. Sadi Kuleli, M. Nafi Toksöz, Erkan Ay, and Haijiang Zhang, Geophysics, 75, no. 6, A47–A52.

Fuxian Song; H. Sadi Kuleli; M. Nafi Toksöz; Erkan Ay; Haijiang Zhang

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M. Nafi Toksöz

Massachusetts Institute of Technology

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H. Sadi Kuleli

Massachusetts Institute of Technology

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Haijiang Zhang

University of Science and Technology of China

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Junlun Li

Massachusetts Institute of Technology

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