An asymmetric split spread extends from x1 = -400 m to x2 = 800 m. A reflection observed on the spread yields t1 = 0.997 s at x1 = -400 m, t2 = 1.025 s at x2 = 800 m, t0 = 1.0 s at x = 0.0 m and velocity of 2800m/s. (a)What is the NMO correction estimated at x1 = -400 m and x2 = 800 m? (b)What is the depth of the reflector at the shot point normal to the reflector?

Applications and Investigations in Earth Science (9th Edition)
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Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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An asymmetric split spread extends from x1 = -400 m to x2 = 800 m. A reflection observed on the spread yields t1 = 0.997 s at x1 = -400 m, t2 = 1.025 s at x2 = 800 m, t0 = 1.0 s at x = 0.0 m and velocity of 2800m/s.
(a)What is the NMO correction estimated at x1 = -400 m and x2 = 800 m?
(b)What is the depth of the reflector at the shot point normal to the reflector?

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