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Fracture Quality From Integrating Time-Lapse VSP and Microseismic Data

Willis, Mark E.; Burns, Daniel R.; Lu, Rongrong; Toksoz, M. Nafi; House, Nancy J. (Massachusetts Institute of Technology. Earth Resources Laboratory, 2007)

Tight gas reservoirs are problematic to produce, often requiring multiple stages of hydraulic fracturing in order to create connected pathways through which hydrocarbons may flow. In this paper, we propose a new methodology ...

Analysis of Scattered Signal to Estimate Reservoir Fracture Parameters

Grandi, Samantha K.; Willis, Mark E.; Burns, Daniel R.; oksoz, M. Nafi (Massachusetts Institute of Technology. Earth Resources Laboratory, 2007-05)

We detect fracture corridors and determine their orientation and average spacing based on an analysis of seismic coda in the frequency-wave number (f-k ) domain. Fracture corridors have dimensions similar to seismic ...

Nonlinear Soil Response in the Near-Field of a Vibrator Truck: Application to Land Seismic Surveys

Pearce, Fred; Willis, Mark E.; Burns, Daniel R.; Toksoz, M. Nafi; Johnson, Paul (Massachusetts Institute of Technology. Earth Resources Laboratory, 2007)

The nonlinear behavior of soils can significantly modify the wavelet radiated from vibrator trucks. In this paper, we describe a field experiment designed to measure the nonlinear response of a natural soil formation in ...

Fracture Properties From Seismic Scattering

Burns, Daniel R.; Willis, Mark E.; Vetri, Laura; Toksoz, M. Nafi (Massachusetts Institute of Technology. Earth Resources Laboratory, 2007)

Fractures scatter seismic energy and this energy can be analyzed to provide information about fracture direction and density. Laboratory and numerical (finite difference) models of fractures show that scattered energy ...