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| Number | Title | Issue Date |
| 8037949 | Pipe running tool A pipe running tool for use in an oil drilling system and the like comprises a lower drive shaft adapted to engage a drive shaft of a top drive assembly for rotation therewith. The pipe running tool further includes a lower pipe engagement assembly which is driven t... | 10/18/2011 |
| 7753138 | Pipe running tool having internal gripper A system for coupling a pipe segment to a pipe string is provided that includes a top drive assembly having an output shaft; and a pipe running tool coupled to the top drive assembly and rotatable by the output shaft of the top drive assembly. The pipe running tool ... | 07/13/2010 |
| 7699121 | Pipe running tool having a primary load path A system for coupling a pipe segment to a pipe string is provided that includes a top drive assembly having a threaded output shaft; and a pipe running tool threadingly coupled to the threaded output shaft of the top drive assembly such that the primary load of the ... | 04/20/2010 |
| 7591304 | Pipe running tool having wireless telemetry A system for measuring desired drilling parameters of a pipe string during an oil and gas well drilling operation is provided that includes a top drive assembly; a pipe running tool engageable with the pipe string and coupled to the top drive assembly to transmit tr... | 09/22/2009 |
| 7510006 | Pipe running tool having a cement path An oil and gas well drilling system is provided that includes a top drive assembly having an output shaft; and a pipe running tool having a top drive extension shaft connected to the top drive output shaft and engageable with a pipe string to transmit translational ... | 03/31/2009 |
| 7422056 | Pipe running tool having wireless telemetry A system for measuring desired drilling parameters of a pipe string during an oil and gas well drilling operation is provided that includes a top drive assembly; a pipe running tool engageable with the pipe string and coupled to the top drive assembly to transmit tr... | 09/09/2008 |
| 6637526 | Offset elevator for a pipe running tool and a method of using a pipe running tool A pipe running tool for use in an oil drilling system and the like comprises a lower drive shaft adapted to engage a drive shaft of a top drive assembly for rotation therewith. The pipe running tool further includes a lower pipe engagement assembly which ... | 10/28/2003 |
