7 Metal pipes; metal oil and gas drill pipes for use in well boring; metal oil and gas well casings; metal oil and gas well tubing; metal oil and gas well pipes; customized metal pipes with threads for fastening pipe sections; metal hollow structural sections for construction, structural and high-strength applications; metal structural tubing; metal pipe connections; oil and gas well completion system comprised of fracturing sleeves, ports, activation subs in the nature of tubular components that allow for activation of other components in the drillstring, liner top packers and latches, anchor packers, frac balls, bridge plugs, frac plugs, perforating guns, and activation shoes in the nature of a port and sliding sleeve that allows fluid to be pumped out of the casing
Trademark: 87142271
