| 6648073 |
Retrievable sliding sleeve flow control valve for zonal isolation control system |
Kerry D. Jernigan, Mark Crawford |
2003-11-18 |
| 6464004 |
Retrievable well monitor/controller system |
Mark Crawford, Kerry D. Jermigan |
2002-10-15 |
| 5275038 |
Downhole reeled tubing inspection system with fiberoptic cable |
Donald H. Perkins, Robert Arthur Rademaker |
1994-01-04 |
| 5205355 |
Subsurface safety valves and method and apparatus for their operation |
Marion H. Gay, Imre I. Gazda |
1993-04-27 |
| 5191173 |
Electrical cable in reeled tubing |
Malcolm N. Council, Willard J. Deese, E. G. Hoffman, Robert F. Bailey, David H. Neuroth |
1993-03-02 |
| 5170845 |
Subsurface safety valves and method and apparatus for their operation |
Marion H. Gay, Imre I. Gazda |
1992-12-15 |
| 4886114 |
Electric surface controlled subsurface valve system |
Donald H. Perkins, Thomas M. Deaton |
1989-12-12 |
| 4730677 |
Method and system for maintenance and servicing of subsea wells |
Joseph L. Pearce, John C. Gano, John H. Yonker, Robert L. Thurman, James O'Sullivan +4 more |
1988-03-15 |
| 4723606 |
Surface controlled subsurface safety valve |
Michael B. Vinzant, Ronald K. Churchman, Rennie L. Dickson, Roddie R. Smith |
1988-02-09 |
| 4583592 |
Well test apparatus and methods |
Imre I. Gazda |
1986-04-22 |
| 4515220 |
Apparatus and method for rotating coil tubing in a well |
Don C. Cox, Malcolm N. Council |
1985-05-07 |
| 4449587 |
Surface controlled subsurface safety valves |
Charles Rodenberger, Kevin Charles O'Malley |
1984-05-22 |
| RE31313 |
Method and system for well testing |
John V. Fredd |
1983-07-19 |
| 4258794 |
Underwater completion habitat |
Joseph L. Pearce, Sanford R. Dowden |
1981-03-31 |
| 4251176 |
Well tubing handling apparatus |
Malcolm N. Council |
1981-02-17 |