| 10689927 |
Universal drilling and completion system |
William Banning Vail, III, Damir S. Skerl, James E. Chitwood |
2020-06-23 |
| 10174572 |
Universal drilling and completion system |
William Banning Vail, III, Damir S. Skerl, James E. Chitwood |
2019-01-08 |
| 9587435 |
Universal drilling and completion system |
William Banning Vail, III, Damir S. Skerl, James E. Chitwood |
2017-03-07 |
| 9284780 |
Drilling apparatus |
James E. Chitwood, William Banning Vail, III, Damir S. Skerl, William George Crossland |
2016-03-15 |
| 9027673 |
Universal drilling and completion system |
William Banning Vail, III, Damir S. Skerl, James E. Chitwood |
2015-05-12 |
| 8651177 |
Long-lasting hydraulic seals for smart shuttles, for coiled tubing injectors, and for pipeline pigs |
William Banning Vail, III, James E. Chitwood, Damir S. Skerl |
2014-02-18 |
| 8353348 |
High power umbilicals for subterranean electric drilling machines and remotely operated vehicles |
James E. Chitwood, William Banning Vail, III, Damir S. Skerl, William George Crossland |
2013-01-15 |
| 7311151 |
Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
James E. Chitwood, William Banning Vail, III, Damir S. Skerl, William George Crossland |
2007-12-25 |
| 7032658 |
High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
James E. Chitwood, William Banning Vail, III, Damir S. Skerl, William George Crossland |
2006-04-25 |
| 6857486 |
High power umbilicals for subterranean electric drilling machines and remotely operated vehicles |
James E. Chitwood, William Banning Vail, III, William George Crossland, Damir S. Skerl |
2005-02-22 |