www.rigsourceinc.com is a place to find a rig good rig.
The owner was a driller now he sells new and used rigs with custom parts on a variety of mounts.
Mike Crimaldi at http://rigsourceinc.com/contactus.htm
1-(877)-365-1649
He is located ~50 miles straight west of Chicago. He has many years in the drilling industry. If he does not find what you need he can build it.
Also try David Jamison at Central-Star Drilling located in south central...
Can anyone point me to where I might find correlations between unconfined compressive strength and seismic velocity if such correlations can be made?
We have rock cores that we will test for UCS and seismic refraction profiles in areas close to the core locations. Our goal is to determine the...