Coil Tubing & Nitrogen Overview

A coil tubing unit is a self-contained multi-use machine that can generally do anything a conventional service rig is capable of, with the exception of tripping jointed pipe. The continuous coiled tubing is used to transmit an inert gas (nitrogen) or a variety of fluids (e.g. water, acids, chemicals or slurries) through the tubing to clean out blockages in oil and gas wells or treat specific problems or conditions within the well bore (e.g. paraffin accumulation or scaling). Coiled tubing is also used to convey various downhole tools and is  particularly effective in conveying tools in highly deviated well bores (e.g. “horizontal” wells) where a simple wireline deployed tool would be ineffective and with its greater tensile strength, coiled tubing can also be used for extracting debris or fishing operations.

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