. Early geophysical papers of the Society of Exploration Geophysicists . Fig. i.—Time-distance curves and approximate section at Green Pond. the velocity depth relation is determined. Here V is the velocity at the midpoint of the path of length X and maximum penetration P, V Surface X k\ \+ P Va V I Fig. 2.—Diagram of wave path. and do is the emergence angle for this path. Figure 2 illustrates the meaning of each of these symbols. The velocity-depth curve thus obtained is shown in Figure 3. * Ewing and Leet, Trans. , Geophysical Prospecting, 1932. 815

---

Size: 2545px × 1963px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bo, bookcentury1900, booksubjectpetroleum, booksubjectprospecting