Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245142 | Flow properties of dry cementitious materials | Baireddy R. Reddy, Ronald E. Sweatman, Russell M. Fitzgerald, Ronald J. Crook | 2001-06-12 |
| 6170575 | Cementing methods using dry cementitious materials having improved flow properties | Baireddy R. Reddy, Ronald E. Sweatman, Russell M. Fitzgerald, Ronald J. Crook | 2001-01-09 |
| H1932 | Wettability and fluid displacement in a well | J. Michael Wilson, James H. Cantrell | 2001-01-02 |
| 6124246 | High temperature epoxy resin compositions, additives and methods | Rick L. Covington, Bill W. Loughridge | 2000-09-26 |
| 6060434 | Oil based compositions for sealing subterranean zones and methods | Ronald E. Sweatman, Archie J. Felio | 2000-05-09 |
| 5996693 | Methods and compositions for cementing pipe in well bores | — | 1999-12-07 |
| 5964293 | Well completion methods using rubber latex compositions in subterranean formations containing salt zones | Jiten Chatterji, Bobby J. King | 1999-10-12 |
| 5787983 | Methods of delaying well destruction due to subsidence | Jim B. Surjaatmadja | 1998-08-04 |
| 5783822 | Traceable well cement compositions and methods | Ronnie J. Buchanan, Jiten Chatterji | 1998-07-21 |
| 5718292 | Inflation packer method and apparatus | David F. Laurel | 1998-02-17 |
| 5572021 | Methods of detecting the locations of well treating fluids | Robert F. Shelley, Jiten Chatterji | 1996-11-05 |
| 5544704 | Drillable whipstock | David F. Laurel, Kenneth P. Marcel | 1996-08-13 |
| 5488994 | Inflation packer method and apparatus | David F. Laurel, Kenneth P. Marcel | 1996-02-06 |
| 5389706 | Well cement compositions having improved properties and methods | Roger S. Cromwell | 1995-02-14 |
| 5368103 | Method of setting a balanced cement plug in a borehole | Robert B. Carpenter, Anthony M. Badalamenti, Kenneth P. Marcel, Robert R. Siffert, Charles J. Rimer | 1994-11-29 |
| 5346012 | Fine particle size cement compositions and methods | Ronald J. Crook | 1994-09-13 |