Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7303012 | Propped fracture with high effective surface area | Keng Seng Chan, Arthur Milne, Brett Rimmer, Mark Brady | 2007-12-04 |
| 7165613 | Propped fracture with high effective surface area | Keng Seng Chan, Arthur Milne, Brett Rimmer, Mark Brady | 2007-01-23 |
| 7114567 | Propped fracture with high effective surface area | Keng Seng Chan, Arthur Milne, Brett Rimmer | 2006-10-03 |
| 7096954 | Method and apparatus for placement of multiple fractures in open hole wells | Xiaowei Weng, Curtis L. Boney | 2006-08-29 |
| 6929069 | Fracturing fluid and method of use | Jerald J. Hinkel, Curtis L. Boney, Gregory Sutton | 2005-08-16 |
| 6915854 | Foaming agents for use in coal seam reservoirs | Kevin W. England, Jerald J. Hinkel, Ramchandra M. Reddy | 2005-07-12 |
| 6720290 | Foaming agents for use in coal seam reservoirs | Kevin W. England, Jerald J. Hinkel, Ramchandra M. Reddy | 2004-04-13 |
| 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 |
| 6419019 | Method to remove particulate matter from a wellbore using translocating fibers and/or platelets | Bentley J. Palmer, Dean M. Willberg, Roger J. Card, Philip F. Sullivan | 2002-07-16 |
| 6412561 | Methods of fracturing subterranean formations | Roger J. Card, Erik Nelson | 2002-07-02 |
| 6306800 | Methods of fracturing subterranean formations | Mathew M. Samuel, Keith Ingram Dismuke, Roger J. Card, Kevin W. England | 2001-10-23 |
| RE36466 | Sand control without requiring a gravel pack screen | Erik Nelson, Roger J. Card | 1999-12-28 |
| 5979557 | Methods for limiting the inflow of formation water and for stimulating subterranean formations | Roger J. Card, Palathinkara S. Vinod, Dean M. Willberg, Mathew M. Samuel, Frank F. Chang | 1999-11-09 |
| 5964295 | Methods and compositions for testing subterranean formations | Roger J. Card, Erik Nelson | 1999-10-12 |
| 5551514 | Sand control without requiring a gravel pack screen | Erik Nelson, Roger J. Card | 1996-09-03 |