NEHRP Clearinghouse

displaying 1 - 2 results in total 2

• Katz, L. J.
  Feasibility Study for a Seismic Drill Bit Location and Guidance System.
  National Science Foundation, Washington, DC. Engineering and Applied Science., January 1980, 24 p.
  Keywords: ; Position finding; Directional drilling; Seismic detection; Seismic arrays; Rotary drill bits; Azimuth indicators; Rotary drilling

• Katz, L. J.
  Seismic Fracture Mapping.
  National Science Foundation, Washington, DC. Office of Planning and Resources Management., January 1980, 27 p.
  Keywords: Solution mining; Permeability; Seismic reflection method; Fracturing; Seismometers; Crude oil; Natural gas; Wyoming; Gas reservoirs; Hydrofracturing; Maps; Rocks; Earthquakes; Fractures (Materials)