Ditch Witch JT100, Operator'S Manual

Page: 160 / 268

JT100/JT100 All Terrain Operator’s Manual
Systems and Equipment - 159
Drilling Fluid
Basic Fluid Recipes
Soil type Mixture/100 gal (378 L) of water Notes
fine sand
35 lb (16 kg) Bore-Gel
®
coarse sand 35 lb (16 kg) Bore-Gel
.5 lb (225 g) No-Sag
®
Add .5 lb (225 g) of Quik-Trol
®
for
additional filtrate control
fine sand below water
table 40 lb (18 kg) Bore-Gel
.75 lb (340 g) Quik-Trol
Add .5 - 1 gal (2-4 L) of Dinomul
®
in high
torque situations
coarse sand below
water table 40 lb (18 kg) Bore-Gel
.75 lb (340 g) Quik-Trol
.75 lb (340 g) No-Sag Add .5 - 1 gal (2-4 L) of Dinomul in high
torque situations
gravel 50 lb (23 kg) Bore-Gel
.75 lb (340 g) Quik-Trol
.75 lb (340 g) No-Sag
Add .5 lb (225 g) of Barolift
®
to reduce
loss of returns
cobble 50 lb (23 kg) Bore-Gel
.75 lb (340 g) Quik-Trol
.75 lb (340 g) No-Sag Add .5 lb (225 g) of Barolift to reduce loss
of returns
sand, gravel, clay or
shale 35 - 40 lb (16-18 kg) Bore-Gel
.5 pt (235 mL) EZ-Mud
®
.5 gal (2 L) Con Det
®
Vary mixture according to percentage of
sand and clay
clay .5 lb (225 g) Poly Bore
.5 gal (2 L) Con Det Flow rate should be 3-5 parts fluid to 1
part soil. May use .25 - .5 gal (1-2 L) of
Penetrol instead of Con Det
swelling/sticky clay .75 - 1 lb (340-450 g) Poly Bore
.5 - 1 gal (2-4 L) Con Det Flow rate should be 3-5 parts fluid to 1
part soil. May use .25 - .5 gal (1-2 L) of
Penetrol instead of Con Det
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 pt (235 mL) EZ-Mud
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