What is hydraulic workover?
Simply so, what is a workover rig?
Workover rigs, also called completion rigs or pulling units, are specialized oil rigs set up for inserting or pulling pipe tubing in and out of wells. Workover crews are called when an oil well has been drilled, is undergoing repair or is being retired.
Subsequently, question is, what is well completion and workover? 2. n. [ Well Workover and Intervention] The process of performing major maintenance or remedial treatments on an oil or gas well. In many cases, workover implies the removal and replacement of the production tubing string after the well has been killed and a workover rig has been placed on location.
Accordingly, how dangerous is snubbing?
Snubbing Working Conditions Work in the oilfield industry, including in snubbing activities, can be hazardous and even dangerous. As of 2011, the oil and gas extraction industry had a fatality rate seven times higher than the rate for all other U.S. industries.
How does a snubbing unit work?
It involves running the BHA on a pipe string using a hydraulic workover rig. The first snubbing unit was primarily designed to work in well control situations to "snub" drill pipe and or casing into, or out of, a well bore when conventional well killing methods could not be used.