... near-surface section, which should be taken into account. Conclusions 1. The forecast of a part of the geological section located under the TD can be carried out in full scope only by combining different modifications of the VSP method. 2. The use of zero-offset VSP allows predict the depth of only one reflecting boundary, which is the bottom of the layer, in which the well bottom is located. 3. The use of amplitude inversion makes it possible to predict the signs of acoustic impedance jumps for the ...

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