| 10941620 |
Downhole swivel sub and method for releasing a stuck object in a wellbore |
Jeffrey B. Lasater |
2021-03-09 |
| 10794121 |
Connecting assembly and receptacle adapted to receive said connecting assembly for connecting two tubing sections, and method for installing and connecting two tubing sections in a wellbore |
Jeffrey B. Lasater, Thomas Marr Graeme, Jayson Byrd |
2020-10-06 |
| 9982492 |
Downhole swivel sub |
Graeme Thomas Marr, Jeffrey B. Lasater |
2018-05-29 |
| 9605494 |
Tool for selectively connecting or disconnecting components of a downhole workstring |
Jeffrey B. Lasater |
2017-03-28 |
| 7178599 |
Subsurface safety valve |
Robert J. Anderson, Nathaniel Wagner, Roddie R. Smith |
2007-02-20 |
| 6585040 |
Downhole drilling apparatus |
Tommie A. Freeman, William M. Imwalle |
2003-07-01 |
| 6550550 |
Downhole drilling apparatus |
Tommie A. Freeman, William M. Imwalle |
2003-04-22 |
| 6374924 |
Downhole drilling apparatus |
Tommie A. Freeman, William M. Imwalle |
2002-04-23 |
| 5320425 |
Cement mixing system simulator and simulation method |
Stanley V. Stephenson, Charles D. Donaghe, Herbert J. Horinek, Karl W. Blanchard, Neil A. Pritchard +1 more |
1994-06-14 |
| 4262632 |
Electronic livestock identification system |
Harley Leach |
1981-04-21 |