Issued Patents All Time
Showing 276–300 of 309 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823940 | Methods of consolidating formations and forming a chemical casing | Larry S. Eoff, Donald L. Whitfill, J. Michael Wilson, Denise Berryhill, Russel Fitzgerald +2 more | 2004-11-30 |
| 6822061 | Well cement additives, compositions and methods | Larry S. Eoff | 2004-11-23 |
| 6793730 | Methods of cementing | Ronald J. Crook, Russell M. Fitzgerald, Bryan K. Waugh | 2004-09-21 |
| 6770604 | High temperature viscosifying and fluid loss controlling additives for well cements, well cement compositions and methods | Wendell D. Riley | 2004-08-03 |
| 6764981 | Well treatment fluid and methods with oxidized chitosan-based compound | Larry S. Eoff | 2004-07-20 |
| 6743288 | Well cement additives, compositions and methods | Larry S. Eoff | 2004-06-01 |
| 6737385 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | Bradley L. Todd, James V. Fisk, Jr., James D. Kercheville | 2004-05-18 |
| 6722434 | Methods of generating gas in well treating fluids | Krishna M. Ravi, Karen Luke, Rickey L. Morgan | 2004-04-20 |
| 6715553 | Methods of generating gas in well fluids | Krishna M. Ravi, James E. Griffith, Frank Zamora, Karen Luke, John L. Dennis, Jr. +1 more | 2004-04-06 |
| 6702044 | Methods of consolidating formations or forming chemical casing or both while drilling | Larry S. Eoff, Donald L. Whitfill, J. Michael Wilson, Denise Berryhill, Russel Fitzgerald +2 more | 2004-03-09 |
| 6630021 | Cementing casing strings in deep water offshore wells | Russell M. Fitzgerald | 2003-10-07 |
| 6616753 | Methods and compositions for sealing subterranean zones | Karen Luke | 2003-09-09 |
| 6613837 | Monovinylaromatic polymer with improved stress crack resistance | Kenneth P. Blackmon | 2003-09-02 |
| 6554068 | Method of downhole fluid separation and displacement and a plug utilized therein | Jiten Chatterji, Frank Zamora, Roger S. Cromwell | 2003-04-29 |
| 6508306 | Compositions for solving lost circulation problems | Jiten Chatterji, Roger S. Cromwell | 2003-01-21 |
| 6497283 | Well cement additives, compositions and methods | Larry S. Eoff | 2002-12-24 |
| 6476169 | Methods of reducing subterranean formation water permeability | Larry S. Eoff, Eldon D. Dalrymple | 2002-11-05 |
| 6454004 | Cementing casing strings in deep water offshore wells | Russell M. Fitzgerald | 2002-09-24 |
| 6422314 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | Bradley L. Todd, James V. Fisk, Jr., James D. Kercheville | 2002-07-23 |
| 6419016 | Methods of cementing in subterranean zones | — | 2002-07-16 |
| 6407177 | Polypropylene blend | Edwar S. Shamshoum, Rolando Paiz, Michael J. Goins | 2002-06-18 |
| 6376418 | Process and catalyst for producing polyolefins having low molecular weight | Edwar S. Shamshoum, Margarito Lopez | 2002-04-23 |
| 6262199 | Process and catalyst for producing isotactic polyolefins | John A. Ewen, Michael J. Elder | 2001-07-17 |
| 6239058 | Process for activating a metallocene catalyst supported on silica | Edwar S. Shamshoum, Christopher G. Bauch, David Rauscher, Kevin McGovern | 2001-05-29 |
| 6225251 | Catalyst efficiency for supported metallocene catalyst | Edwar S. Shamshoum, Margarito Lopez, Theodore Harris | 2001-05-01 |