Pressure-sensitive switch, its method of calibration and use...
Process for seismic exploration by means of a directive source
Seafloor velocity and amplitude measurement apparatus method
Seismic data acquisition
Seismic energy source array
Seismic exploration with disposable seismic detectors
Seismic sensing apparatus and method with high-g shock...
Single well system for mapping sources of acoustic energy
Single well system for mapping sources of acoustic energy
System for acquiring geophysical data
Time delay source coding
Towed land cable
Underwater seismic testing
VSP-based method and apparatus for tieing seismic data shot usin
Wellbore signal generator