US Patent 9643206 Lubricant application to threaded pipe connections

An apparatus and associated methods for a pipe doping apparatus is disclosed. The apparatus may include a pump fluidly coupled to a reservoir and a dope manifold, the pump positioned to pump pipe dope from the reservoir to the dope manifold. The automated pipe doping apparatus may include an ejector coupled to the dope manifold, where the ejector positioned to supply a fixed volume of pipe dope from the dope manifold to a dope distribution line. The automated pipe doping apparatus may also include a pipe dope applicator, the pipe dope applicator fluidly coupled to the dope distribution line positioned to deposit pipe dope on a threaded connection.