. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. ELECTRICAL PROSPECTING 17 about one twentieth of the effect at 100 cycles. This curve illustrates the im- portance of using a low frequency alternating current. P-3 A Fig. 8. Power ratio curves for long WOO 2O0O 3000 MET. Fig. 9. Electromagnetic survey across a salt dome. In order to illustrate the results that may be obtained in the field by a good electrical survey under favorable conditions, two surveys made by the Swedish American Prospecting Corporation for the Gulf Oil Corporation will
. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. ELECTRICAL PROSPECTING 17 about one twentieth of the effect at 100 cycles. This curve illustrates the im- portance of using a low frequency alternating current. P-3 A Fig. 8. Power ratio curves for long WOO 2O0O 3000 MET. Fig. 9. Electromagnetic survey across a salt dome. In order to illustrate the results that may be obtained in the field by a good electrical survey under favorable conditions, two surveys made by the Swedish American Prospecting Corporation for the Gulf Oil Corporation will 161. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Society of Exploration Geophysicists. Tulsa
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Keywords: ., bo, bookcentury1900, booksubjectpetroleum, booksubjectprospecting
