SpinCat downhole rotary nozzles from StoneAge are speed controlled thru-tubing wash tools used in a wide range of well intervention applications. They can be used with variety of routine chemicals and solvents for rapid wellbore cleaning in productive operating areas. Common applications include jetting out hydrates and ice plugs, de-scaling and acid washes, paraffin and asphaltene cleaning and post-frac proppant and fill clean-outs. They are an effective alternative to motor-mills in post-cement and liner clean up jobs. With proper care and maintenance, they can remain in service for many years.