1
Beat Küttel, Randall S Pyrch, Faisal J Yousef, Alan S Richardson, Greg Kostiuk: Modular top drive lubrication system and methods. Canrig Drilling Technology, Haynes and Boone, April 10, 2012: US08151909 (4 worldwide citation)

A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox module, a drive motor module, a pipe handler module, an upper fluid module, a lower well control valve ...


2
Beat Kuttel, Randall S Pyrch, Faisal J Yousef, Alan S Richardson, Greg Kostiuk: Modular top drive. Canrig Drilling Technology, Haynes and Boone, November 9, 2010: US07828085 (4 worldwide citation)

A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox module, a drive motor module, a pipe handler module, an upper fluid module, a lower well control valve ...


3
Beat Küttel, Randall S Pyrch, Faisal J Yousef, Alan S Richardson, Greg Kostiuk: Direct modular top drive with pipe handler module and methods. Canrig Drilling Technology, Haynes and Boone, September 23, 2014: US08839884 (1 worldwide citation)

A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox module, a drive motor module, a pipe handler module, an upper fluid module, a lower well control valve ...


4
Beat Küttel, Randall S Pyrch, Faisal J Yousef, Alan S Richardson, Greg Kostiuk: Modular top drive lubrication system and methods. Canrig Drilling Technology, Haynes and Boone, August 6, 2013: US08499858

A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox module, a drive motor module, a pipe handler module, an upper fluid module, a lower well control valve ...


5
Beat Kuttel, Randall S Pyrch, Faisal J Yousef, Alan S Richardson, Greg Kostiuk: Modular Top Drive. Canrig Drilling Technology, Baker Botts, June 21, 2007: US20070140801-A1

A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox module, a drive motor module, a pipe handler module, an upper fluid module, a lower well control valve ...


6
Beat KUTTEL, Randall S Pyrch, Faisal J Yousef, Alan S Richardson, Greg Kostiuk: Modular top drive lubrication system and methods. Canrig Drilling Technology, March 31, 2011: US20110073375-A1

A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox module, a drive motor module, a pipe handler module, an upper fluid module, a lower well control valve ...


7
Beat KUTTEL, Randall S Pyrch, Faisal J Yousef, Alan S Richardson, Greg Kostiuk: Modular top drive lubrication system and methods. Canrig Drilling Technology, June 28, 2012: US20120160570-A1

A top drive system with a plurality of top drive modules, which are configured to be quickly exchanged. The top drive modules may include any or all of the following: a main body module, a gearbox module, a drive motor module, a pipe handler module, an upper fluid module, a lower well control valve ...