Page 188 - Shale Shakers Drilling Fluid Systems
P. 188
CUT POINTS 171
TABLE 9-1. Cut Point of Shaker Screens
Screen
Throughout Discard Solids Solids Calculated
ASTM Standard Screen Sample Sample Calculated Calculated Flow Rate Percent
on ASTM on ASTM Discard Throughput of Solids Discarded
Opening Sieves Sieves Flow Rate Flow Rate in Flow Line by Shaker
m
Mesh Size (microns) (§m) (g ) (gm/min) (gm/min) (gm/min) Screen
400 37 50.0 100.0 50 5,000 5,050 1.0
325 44 45.0 180.0 90 4,500 4,590 2.0
250 63 40.0 560.0 280 4,000 4,280 6.5
200 74 38.0 912.0 456 3,800 4,256 10.7
150 105 25.0 2,126.0 1,063 2,500 3,563 29.8
120 118 10.0 1,880.0 940 1,000 1,940 48.5
100 140 0.5 980.0 490 50 540 90.7
80 177 0.0 400.0 200 2 202 99.0
60 234 0 19.8 9.9 0 9.9 100.0
FIGURE 9-1
