1. Wax Blockage Removal by Inductive Heating of Subsea Pipelines
2. P. J. Rathbone, 2005, "Sludge Characterization for Ultrasonic Wave Guide Blockage Testing", Technical Report of BNFL Nexia Solutions, pp. 180-187.
3. Heat Exchanger Cleaning
4. C. Kuchpil, M. Gonalves and L. Marquez, 2002, "Blockage Location and Remediation in Subsea Pipelines", Deep Offshore Technology Conference, New Orleans, Louisiana, pp. 691-700.
5. THE DEVELOPMENT OF A RAPID SINGLE SPECTRUM METHOD FOR DETERMINING THE BLOCKAGE CHARACTERISTICS OF A FINITE LENGTH DUCT