The EXTReam™ is a true rock
reamer that is designed to stand up to the kind of hard rock and rocky
conditions that tear up other reamers and hole openers.
EXTReam™ Features
No Moving Parts That's right, there are no moving
parts - at the end of a backream you simply replace any
worn teeth and the EXTReam™ is ready to go again.
The EXTReam™ has proven itself
in field tests in cobble, soft to medium rock, and hard
rock. Although the EXTReam™ will work in other conditions,
it performs best in tough, rocky conditions. We are confident
the EXTReam™ will far surpass your expectations in
how well it will perform.
16" reamer
12" reamer
Field Repairable
The design of the EXTReam™ is a true horizontal rock
reamer. It uses the same type of rock teeth as the INCREDIBIT®.
We supply two types of teeth with the EXTReam™: 1)
a pointed tooth for softer rock, and 2) a rounded tooth
for harder rock. Care should be taken to change the teeth
when they become worn or broken.
Versatile
Keeping the proper mud flow at the front of the EXTReam™
is very important particularly in soft to medium rock
or when conditions such as clay, chalk rock, etc. are
encountered.
The EXTReam™ is delivered from the factory with most
of the side and rear water ports plugged which forces
most of the flow out the front to properly mix the cuttings.
We supply a variety of different size nozzles and plugs
that can be used to reconfigure the water ports based
upon the volume of mud being pumped and the conditions
encountered during the pilot bore.
When backreaming in conditions where clay, shale, chalk
rock, etc. are encountered, we recommend using some type
of con-det or other substitute to assist in keeping the
cuttings from sticking to the reamer.
10" reamer
Easy On Your Machine
Another important issue is to not rush the backreaming
process. The EXTReam™ works best with low pullback
pressure and low rotational torque. Decrease the rotation
when encountering extremely hard rock conditions. Allow
the EXTReam™ to do it's job.
NOTE: The EXTReam™
requires at least a 5" pilot hole. If your pilot hole is too
small, we offer a 'hole expander' that can be run in front of the
reamer to enlarge the hole.
