Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 5933789 | Method and system for applying dispersive normal moveout corrections to seismic survey signals A method and computer system for deriving and applying normal moveout phase and time shift corrections to seismic survey traces is disclosed. Normal moveout time-shift corrections are first applied to traces in a common midpoint (CMP) or common depth poin... | 08/03/1999 |
| 5764516 | Method and system for surface-consistent phase and time lag correction of seismic data A computer system and method for correcting seismic data for phase distortion due to the effects of the near-surface layer are disclosed. Phase error corrections are performed on multiple frequency bands, beginning with a primary band and then proceeding ... | 06/09/1998 |
| 5154254 | Mass retrieval for acoustic pulse generator A method and an apparatus for mass retrieval for an acoustic pulse generator are disclosed herein. In an impulse type seismic generating apparatus an air spring, mechanical spring, controlled pressurization of an air spring or other energy storage medium ... | 10/13/1992 |
| 5079703 | 3-dimensional migration of irregular grids of 2-dimensional seismic data A method and apparatus for deriving a three-dimensional seismic image from an irregular grid of two-dimensional seismic data is provided. The two-dimensional seismic data incldue a plurality of shot lines. For each of the shot lines, a two-dimensional mig... | 01/07/1992 |
| 5051961 | Method and apparatus for seismic survey including using vertical gradient estimation to separate downgoing seismic wavefield A vertical gradient estimation technique is used to separate downgoing seismic ghost wavefields. The upgoing reflected seismic wavefield, allows the ghost wavefield to be attenuated to improve signal-to-noise ratio. The vertical gradient estimation techni... | 09/24/1991 |
