Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9022120 | Dry polymer mixing process for forming gelled fluids | Frank Zamora, Sarkis R. Kakadjian | 2015-05-05 |
| 9018147 | Cement-based particulates and methods of use | Hongyu Luo, Lewis R. Norman, Rajesh Kumar Saini, Ashok Santra, Craig W. Roddy | 2015-04-28 |
| 8841240 | Enhancing drag reduction properties of slick water systems | Sarkis R. Kakadjian, Frank Zamora, Erin Fitzgerald | 2014-09-23 |
| 8183186 | Cement-based particulates and methods of use | Hongyu Luo, Lewis R. Norman, Rajesh Kumar Saini, Ashok Santra, Craig W. Roddy | 2012-05-22 |
| 8012582 | Sintered proppant made with a raw material containing alkaline earth equivalent | Hongyu Luo, Ashok Santra, Lewis R. Norman, Mark Parker, Rajesh Kumar Saini | 2011-09-06 |
| RE41118 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +8 more | 2010-02-16 |
| 7624743 | Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup | Diptabhas Sarkar, Stephen T. Arrington, Ian D. Robb, Bradley L. Todd | 2009-12-01 |
| 7404437 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +7 more | 2008-07-29 |
| 7363986 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +10 more | 2008-04-29 |
| 7320367 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Ralph H. Echols, Gary P. Funkhouser, William David Henderson, Marion D. Kilgore +2 more | 2008-01-22 |
| 7267169 | Methods for forming a permeable and stable mass in a subterranean formation | Alexander Bismarck, Angelika Menner | 2007-09-11 |
| 7252142 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +7 more | 2007-08-07 |
| 7195071 | Enzyme compositions and methods of using these compositions to degrade succinoglycan | Bradley L. Todd | 2007-03-27 |
| 7093659 | Controlling chlorite or hypochlorite break rate of well treatment fluids using magnesium or calcium ions | Robert H. Hauge | 2006-08-22 |
| 7080688 | Compositions and methods for degrading filter cake | Bradley L. Todd | 2006-07-25 |
| 7021377 | Methods of removing filter cake from well producing zones | Bradey L. Todd | 2006-04-04 |
| 6854522 | Annular isolators for expandable tubulars in wellbores | Michael M. Brezinski, Gregory B. Chitwood, Ralph H. Echols, Gary P. Funkhouser, John C. Gano +12 more | 2005-02-15 |
| 6782735 | Testing device and method for viscosified fluid containing particulate material | Harold Grayson Walters, Billy J. Slabaugh, Ronnie Glen Morgan, Phillip C. Harris, Stanley J. Heath +2 more | 2004-08-31 |
| 6311773 | Resin composition and methods of consolidating particulate solids in wells with or without closure pressure | Bradley L. Todd, Billy Slabaugh, Joseph G. Yaritz | 2001-11-06 |
| 6209646 | Controlling the release of chemical additives in well treating fluids | Baireddy R. Reddy, Ronald J. Crook, Jiten Chatterji, Bobby J. King, Dennis W. Gray +2 more | 2001-04-03 |
| 6024170 | Methods of treating subterranean formation using borate cross-linking compositions | Michael A. McCabe, Phillip C. Harris, Billy Slabaugh, John M. Terracina, Joseph G. Yaritz +1 more | 2000-02-15 |
| 5827804 | Borate cross-linked well treating fluids and methods | Phillip C. Harris, Michael A. McCabe, Lewis R. Norman, Chris E. Shuchart, Billy Slabaugh +2 more | 1998-10-27 |
| 5604186 | Encapsulated enzyme breaker and method for use in treating subterranean formations | Charles V. Hunt, Michael L. Carter, Samuel D. Pelley, Lewis R. Norman | 1997-02-18 |
| 5591700 | Fracturing fluid with encapsulated breaker | Phillip C. Harris, Stanley J. Heath | 1997-01-07 |
| 5386874 | Perphosphate viscosity breakers in well fracture fluids | Steven B. Laramay, Samuel D. Pelley | 1995-02-07 |