85349587
Jun 17, 2011
Jan 29, 2013
Power-operated downhole tools and equipment used in the drilling, completion, and workover of oil and gas wells, namely, anchoring tools for the permanent or temporary installation of tubulars and casings and pressure isolation packers; and deployment tools for the deployment and subsequent permanent or temporary installation of tubulars, casings, and pressure isolation packers in wellbores
Machinery