Issued Patents All Time
Showing 126–134 of 134 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7159655 | Method for inhibiting or controlling inorganic scale formations | Mingjie Ke | 2007-01-09 |
| 7151076 | Low residue well treatment fluids and methods of use | Xiaolan Wang | 2006-12-19 |
| 7144512 | Method of reclaiming brine solutions using an organic chelant | Paul H. Javora, Joel L. Boles, Sandra L. Berry | 2006-12-05 |
| 7144844 | Method of using viscoelastic vesicular fluids to enhance productivity of formations | David Alleman | 2006-12-05 |
| 7115546 | Acid diverting system containing quaternary amine | David Alleman | 2006-10-03 |
| 6810959 | Low residue well treatment fluids and methods of use | Xiaolan Wang | 2004-11-02 |
| 6667280 | Fluid system having controllable reversible viscosity | Frank F. Chang, Matthew J. Miller | 2003-12-23 |
| 6435277 | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations | Erik Nelson, Dean M. Willberg, Mathew M. Samuel, Jesse Lee, Frank F. Chang +4 more | 2002-08-20 |
| 6399546 | Fluid system having controllable reversible viscosity | Frank F. Chang, Matthew J. Miller | 2002-06-04 |