External gravel packing procedures - Conventional gravel packing
This article describes the procedure for conventional external gravel packing.
1.With the liner set and the gravel pack tool in the circulating position establish circulation at 0.5-5 bbls/min.
2.Commence adding gravel at ± 1/2sack per min (i.e. ± 1/8sack/bbl).
3.Having reached 80-85% of theoretical fill (or earlier if pressures indicate) reduce the gravel concentration to 1/8-1/4sack/min. When getting close to screen out, it may be necessary to add 1-2 . . .