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A Dynamic Model For Fluid Flow In A Borehole Fracture
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1988)
The attenuation of Stoneley waves by a borehole fracture are closely related to fluid
flow in the fracture. We consider the dynamic response of a viscous fluid in a horizontal
fracture to the oscillating pressure excitation ...
Wave Propagation In A Fluid-Filled Fracture-An Experimental Study
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1989)
A laboratory experimental study has been carried out to investigate the mode trapping
characteristics of a fluid-filled fracture between two elastic solids. Using a small circular cylindrical receiver of 2.7 mm diameter, ...
Stoneley Wave Propagation In A Fluid-Filled Borehole With A Vertical Fracture
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1989)
The propagation of Stoneley waves in a fluid-filled borehole with a vertical fracture is
investigated both theoretically and experimentally. The borehole propagation excites
fluid motion in the fracture and the resulting ...
Theoretical Models Relating Acoustic Tube-Wave Attenuation To Fracture Permeability - Reconciling Model Results With Field Data
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1989)
Several recent investigations indicate that tube-wave amplitude attenuation in acoustic
full-waveform logs is correlated with permeability in fractured rocks. However, there
are significant differences between predictions ...
Elastic Wave Diffraction Of A Piston Source And Its Effect On Attenuation Measurement
(Massachusetts Institute of Technology. Earth Resources Laboratory, 1988)
The radiation of an elastic wave field from a plane piston source is formulated using
the representation theorem, in which the Green's function for an elastic half space
is employed. On the basis of this formulation, we ...