Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675891 | Apparatus and method for gravel packing a horizontal open hole production interval | Travis Hailey, Colby M. Ross, Robert L. Thurman, David Lord, Imre I. Gazda | 2004-01-13 |
| 5865255 | Full bore nipple and associated lock mandrel therefor | David L. Reesing, Gordon K. Scott | 1999-02-02 |
| 5794699 | Metal-to-metal sliding side door for wells | Bhanubhai H. Patel, William R. Welch, Ronald K. Churchman | 1998-08-18 |
| 5775433 | Coiled tubing pulling tool | James Dan Vick, Jr. | 1998-07-07 |
| 5211241 | Variable flow sliding sleeve valve and positioning shifting tool therefor | Howard R. Mashaw, Jr., Christopher A. Dines, Clark E. Robison | 1993-05-18 |
| 5183114 | Sleeve valve device and shifting tool therefor | Howard R. Mashaw, Jr. | 1993-02-02 |
| 4834183 | Surface controlled subsurface safety valve | Michael B. Vinzant, Craig D. Hines, Rennie L. Dickson | 1989-05-30 |