Browsing ERL Industry Consortia Technical Reports by Author "Kostek, Sergio"

Now showing items 1-3 of 3

    • The Equivalent Force System Of A Monopole Source In A Fluid-Filled Open Borehole 

      Ben-Menahem, Ari; Kostek, Sergio (Massachusetts Institute of Technology. Earth Resources Laboratory, 1991)
      The elastodynamic body-wave field outside a fluid-filled open borehole due to a monopole source in the fluid, is reduced to the radiation-field due to a suitable equivalent force system (EFS) in the absence of the borehole, ...

    • Modeling Of Elastic Wave Propagation In A Fluid-Filled Borehole Excited By A Piezoelectric Transducer 

      Kostek, Sergio (Massachusetts Institute of Technology. Earth Resources Laboratory, 1991)
      Acoustic logging is an important geophysical method for obtaining relevant information concerning rock properties in formations traversed by boreholes. Typically, the formation parameters that are measured are the ...

    • Tube Waves, Seismic Waves And Effective Sources 

      Burridge, Robert; Kostek, Sergio; Kurkjian, Andrew L. (Massachusetts Institute of Technology. Earth Resources Laboratory, 1993)
      A simple asymptotic analysis, based on the smallness of the ratio of the borehole radius to the wavelength, reveals the interaction between tube waves and seismic waves. The pressure field in a tube wave acts as a secondary ...