Washover Pipe A washover pipe is Casing or Pipe shorter in length than a standard tubular string. Made of large-diameter pipe with a cutting surface at the tip, washover pipe is run in the well and then the cutting edge grinds the fish to a smooth surface and continues normal operations. Washover Pipe is manufactured to the following specs connections, lengths, weights and material grade. Crossover washover pipe has a two-step, double-shouldered thread joint with flush outside and inside diameters. This buttress-type thread assures quick makeup and high torsional strength. A wide assortment of sizes is available ranging from 3 ½" to 20". View specification guide