Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7579302 | Friction reducer performance by complexing multivalent ions in water | Rob E. Hanes, Jr., Ian D. Robb, Thomas D. Welton, Karen L. King, Bobby J. King +1 more | 2009-08-25 |
| 7552648 | Measuring mechanical properties | David L. Meadows | 2009-06-30 |
| 7549320 | Measuring cement properties | Gary P. Funkhouser, Christian Meyer, David L. Meadows, Johnny W. Johnson | 2009-06-23 |
| 7504366 | Subterranean treatment fluids, friction reducing copolymers, and associated methods | Robert E. Hanes, Jr., Karen L. King, Jiten Chatterji | 2009-03-17 |
| 7484564 | Delayed tackifying compositions and associated methods involving controlling particulate migration | Thomas D. Welton, Bradley L. Todd | 2009-02-03 |
| 7413013 | Surfactant-based fluid loss control agents for surfactant gels and associated fluids and methods | Thomas D. Welton, Jason E. Bryant | 2008-08-19 |
| 7311146 | Subterranean treatment fluids, friction reducing copolymers, and associated methods | Robert E. Hanes, Jr., Karen L. King, Jiten Chatterji | 2007-12-25 |
| 7299877 | Methods for effecting controlled break in pH dependent foamed fracturing fluid | Thomas D. Welton, Bradley L. Todd | 2007-11-27 |
| 7271134 | Water-based polymers for use as friction reducers in aqueous treatment fluids | Karen L. King, Jiten Chatterji | 2007-09-18 |
| 7243723 | System and method for fracturing and gravel packing a borehole | Jim B. Surjaatmadja, Philip D. Nguyen | 2007-07-17 |
| 7232793 | Water-based polymers for use as friction reducers in aqueous treatment fluids | Karen L. King, Jiten Chatterji | 2007-06-19 |
| 7140437 | Apparatus and method for monitoring a treatment process in a production interval | Philip D. Nguyen | 2006-11-28 |
| 7100691 | Methods and apparatus for completing wells | Philip D. Nguyen, Michael W. Sanders, Ronald A. Gibson, David Lord | 2006-09-05 |
| 7004254 | Subterranean treatment fluids, friction reducing copolymers, and associated methods | Jiten Chatterji, Karen L. King | 2006-02-28 |
| 6830104 | Well shroud and sand control screen apparatus and completion method | Philip D. Nguyen, Michael W. Sanders, Ron Gibson, David Lord | 2004-12-14 |
| 6784141 | Methods, aqueous well treating fluids and friction reducers therefor | Karen L. King, Jiten Chatterji | 2004-08-31 |
| 6210476 | Foamed cement compositions and methods | Jiten Chatterji, Roger S. Cromwell, Baireddy R. Reddy, Clyde R. Anderson | 2001-04-03 |
| 5558161 | Method for controlling fluid-loss and fracturing high permeability subterranean formations | Sanjay Vitthal, Mary Anne Hardy, William E. Martch, Ronald Glen Dusterhoft | 1996-09-24 |
| 5431225 | Sand control well completion methods for poorly consolidated formations | Hazim H. Abass, David L. Meadows, John Brumley, James J. Venditto | 1995-07-11 |
| 5360066 | Method for controlling sand production of formations and for optimizing hydraulic fracturing through perforation orientation | James J. Venditto, Hazim H. Abass, Matthew E. Blauch | 1994-11-01 |
| 5318123 | Method for optimizing hydraulic fracturing through control of perforation orientation | James J. Venditto, Matthew E. Blauch | 1994-06-07 |
| 5265462 | Method and apparatus for determining permeability, diffusivity, porosity, and gas storage in gas-containing substrates | Matthew E. Blauch, Milton B. Enderlin, Hazim H. Abass | 1993-11-30 |
| 5263360 | Low permeability subterranean formation testing methods and apparatus | Matthew E. Blauch, James J. Venditto, Gregory L. Tanaka | 1993-11-23 |
| 5259466 | Method and apparatus for orienting a perforating string | James J. Venditto, Calvin Kessler, Harold E. Peelman | 1993-11-09 |
| 5241475 | Method of evaluating fluid loss in subsurface fracturing operations | Wellington S. Lee, Billy W. McDaniel | 1993-08-31 |