Canrig Drilling Technology Ltd.

Nabors Drilling Technologies Usa, Inc.

Michael Macklin

Godwin Simanjuntak

Beat Kuttel

Eric Deutsch

A drilling assembly including a sensor coupled to a gear, the gear in direct or indirect rotational communication with a component of drilling assembly, such as a bull gear or a pipe handler. The drilling assembly further including a logic device configured to calculate a wear status of the drilling assembly, indicating wear of one or more components of the drilling assembly. The logic device can also be configured to calculate an alignment value of the gear for engagement of a locking device.

System for operating a top drive assembly for subterranean operations

A top drive includes a plurality of modules. The top drive includes a first fastening member and a second fastening member. The first fastening member and the second fastening member are configured to be removably coupled to connect a first module and a second module. In some embodiments, the top drive includes a third fastening member. The third fastening member is configured to be removably coupled to at least one of the first fastening member and the second fastening member, to connect the first module, the second module, and a third module. A tool for assembling or disassembling a top drive includes a fastening portion including an attachment mechanism configured to releasably couple the tool to a portion of a top drive. The tool includes a first housing including a recess disposed therein. The tool includes a first rod disposed at least partially within the recess.

Top drive module connector and methods

An apparatus includes a rotatable shaft having a shaft surface and a first seal disposed in a sealing engagement with the shaft surface. At least a second seal is disposed in a first position relative to the rotatable shaft where the second seal is not in sealing engagement with the shaft surface and is movable to a second position relative to the rotatable shaft where the second seal is in sealing engagement with the shaft surface.

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Tomball, TX, United States of America

Michael Macklin