| 6912491 |
Method and apparatus for mapping uncertainty and generating a map or a cube based on conditional simulation of random variables |
— |
2005-06-28 |
| 6757614 |
Seismic signal processing method and apparatus for generating correlation spectral volumes to determine geologic features |
Randolph E. F. Pepper |
2004-06-29 |
| 6201884 |
Apparatus and method for trend analysis in graphical information involving spatial data |
Randolph E. F. Pepper |
2001-03-13 |
| 6151555 |
Seismic signal processing method and apparatus for generating a cube of variance values |
Randolph E. F. Pepper |
2000-11-21 |
| 6016287 |
Apparatus and method for accurately determining the location of events such as peaks in seismic data |
Eric F. Klebba |
2000-01-18 |
| 6012017 |
Interpreting formation tops |
Randolph E. F. Pepper, Horacio Ricardo Bouzas |
2000-01-04 |
| 5999885 |
Method and apparatus for automatically identifying fault cuts in seismic data using a horizon time structure |
Randolph E. F. Pepper, William G. Dillon |
1999-12-07 |
| 5995907 |
Seismic signal processing method and apparatus for generating time slice or horizon maps in response to seismic traces and quadrature traces to determine geologic features |
Randolph E. F. Pepper |
1999-11-30 |
| 5873051 |
Method and apparatus for processing at least two seismic data sets during a step to derive a third data set |
Randolph E. F. Pepper |
1999-02-16 |
| 4339810 |
Method of compensating seismic data for effects of frequency dependent attenuation |
James Nichols |
1982-07-13 |