User guide

MR90 Operator’s Manual Systems and Equipment - 63
Recommended Products
CMW
®
sand, gravel, clay or
shale
35 - 40 lb (16-18 kg) Bore-Gel
.5lb (227 g) EZ-Mud Gold
Vary mixture according to percentage of
sand and clay
clay .5 lb (225 g) Poly Bore Flow rate should be 3-5 parts fluid to 1
part soil.
swelling/sticky clay .75 - 1 lb (340-450 g) EZ-Mud
Gold
Flow rate should be 3-5 parts fluid to 1
part soil.
solid rock (shale) 40 lb (18 kg) Bore-Gel Use .5 pt (235 mL) of No Sag for large
diameter or longer bores
solid rock (other than
shale)
40 - 50 lb (18-23 kg) Bore-Gel Use .5 pt (235 mL) of EZ-Mud in reactive
shales
rock/clay mixture 40 - 50 lb (18-23 kg) Bore-Gel
.5 lb (227 g) EZ-Mud Gold
rock/sand mixture 40 - 50 lb (18-23 kg) Bore-Gel Use .5 pt (235 mL) of No Sag for large
diameter or longer bores
fractured rock 50 lb (23 kg) Bore-Gel
.5 - 1lb (225-450 g) No-Sag
Use .5 lb (225 g) of Barolift to reduce fluid
loss to formation
Soil type Mixture/100 gal (378 L) of water Notes