Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7392843 | Method of treating subterranean formations to enhance hydrocarbon production using proppants | Isaias Ortiz | 2008-07-01 |
| 6924255 | Composition and method for treating a subterranean formation | Frank F. Chang, Walter Dee Grant, Wayne W. Frenier | 2005-08-02 |
| 6637517 | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations | Mathew M. Samuel, Frank F. Chang, Roger J. Card | 2003-10-28 |
| 6435277 | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations | Qi Qu, Erik Nelson, Dean M. Willberg, Mathew M. Samuel, Jesse Lee +4 more | 2002-08-20 |
| 5036919 | Fracturing with multiple fluids to improve fracture conductivity | Curtis L. Boney | 1991-08-06 |