Titlebook: Velocities in Reflection Seismology; Jean-Pierre Cordier Book 1985 Springer Science+Business Media B.V. 1985 Borehole.formation.prospectin

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terung dieser Marke bewerten. Ziel der Studie war es herauszufinden, welche Determinanten die Bewertung von Markenerweiterungen in den sogenannten Plattformländern Asiens beeinflussen. Auf eine theoretische Fundierung, die zur Auswahl der Determinanten führte, wird hier jedoch nicht weiter eingegang

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Velocity of Seismic Waves, Relationships with the Theory of Elasticity, Variation Factors,following formulae:.where E = Young’s modulus μ = shear modulus ρ = density υ = Poisson’s ratio K = modulus of elasticity All these values refer to the behaviour of a material when it is subjected to a certain stress. For example, . is a measure of the rigidity of the material.

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,Calculation of Travel Times of Seismic Signals, Definition of ΔT, and receiver, velocities of the different layers in the subsurface, depth and inclination of the reflecting surfaces. We shall commence by considering a very simple model of the subsurface and shall then pass to a more complex model, which is a little closer to reality.

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Measurement of Velocities in Boreholes. Sonic Logs. Seismic Surveys of Boreholes. Pseudo Velocity L 5.1, taken from a SCHLUMBERGER publication. The tool is lowered into the borehole on the end of a conducting cable which serves both to control the tool and to transmit the results to the surface. The tool includes two transmitters E. and E. which generate high frequency sound waves (20 to 40 kHz).

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Calculation of Interval Velocities,e the velocities in the layers, using DIX’s formula (which follows directly from the definition of V.): . where .. = velocity measured at time t.; V. = velocity measured at time t.; V. = velocity of the layer of material included between times t. and t..

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