Hydraulic workover/snubbing tubing running term when the weight of the pipe is not sufficient to pull the pipe into a well against the surface pressure and additional force (snubbing) is required
George E. King Engineering, 5000 Oilfield Terms: A Glossary of Petroleum Engineering Terms, Abbreviations and Acronyms, US 2010. http://gekengineering.com/Downloads/Free_Downloads /Glossary_of_Petroleum_Engineering_Terms_25_August _2010.pdf, (Oil - Amer) {593}