Introduction to Geophysical Prospecting |
Contents
The Place of Geophysics in Oil and Mineral Exploration | 1 |
How Seismic Waves Propagate | 25 |
Seismic Recording Instruments | 58 |
Copyright | |
15 other sections not shown
Common terms and phrases
amplitude angle anomaly applied axis body buried component contours correction corresponding curve deconvolution density depth detector determined direction distance earth earth's field effect electrodes energy exploration FIGURE filter formations Fourier frequency ft/s function gammas geological geophone Geophysics gravimeter gravity anomaly gravity meters horizontal illustrates input instruments interface interpretation interval layer lithology located magnetic field magnetometer magnetotelluric material measured method mgal milligals noise observed obtained operations output perpendicular plane plotted position potential prospecting pulse range record sections reflection records refraction resistivity rocks salt dome samples sand sedimentary sedimentary rocks seismic reflection seismic signals seismic waves shale shooting shot point shown in Fig shows slope sonobuoy square wave station structure subsurface surface surveys techniques thickness time-distance tion V₁ variation velocity vertical Vibroseis waveform wavefront wavelength Western Geophysical zero zone