Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1978-03-03
1980-12-23
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
367 53, 367 63, 364421, G01V 136
Patent
active
042414296
ABSTRACT:
In seismic exploration, linear, multiple fold, common depth point sets of seismograms with three dimensional reflection geometry are used to determine the dip and strike of the subsurface reflecting interfaces and the average velocity of the path of the seismic energy to the reflecting interface. The reflections in each set appear with time differences on a hyperbola with trace spacings determined by the source receiver coordinate distance along the lines of exploration. The offset of the apex of this hyperbola is determined from a normal move-out velocity search of the type performed on two dimensional CDP sets. This search identifies the correct stacking velocity and hyperbola offset which are used to determine dip, strike and average velocity.
REFERENCES:
patent: 3417370 (1968-12-01), Brey
patent: 3696331 (1972-10-01), Guinzy et al.
Bloomquist Marvin G.
Wang Yung-liang
Huggett C. A.
Mobil Oil Corporation
Moskowitz Nelson
Scherback William J.
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