Page 159 - Pipeline Rules of Thumb Handbook
P. 159
6: Pipeline Drying
Pipeline Dewatering, Cleaning, and Drying .......147
Dewatering .......................................................................................... 147
Cleaning pipelines............................................................................... 148
Brush pig run with gas........................................................................ 148
Brush pig run with liquid ................................................................... 148
Internal sand blasting.......................................................................... 148
Chemical cleaning............................................................................... 149
Pipeline drying .................................................................................... 149
Moisture content of air....................................................................... 151
Commissioning petrochemical pipelines ........................................... 153
Vacuum drying..................................................................................... 156
146
