90632280
Apr 8, 2021
Downhole apparatus and tools for use in the oil and gas industries; downhole apparatus and tools for use in the oil and gas industry for the insertion of completion equipment and parts and fittings therefor into wells, namely, self-powered reaming tools; Oil and gas well reaming tools, namely, self-powered reaming tools attached to a well sealing pipe for reaming the well while inserting the pipe into the well
Machinery