We have determined that we all do things differently. Here is a question for you. How do you grout your wells and, how do you mix your grout? The state of Md. requires the driller to tremie the grout in you can use cement or bentonite or a mixture there of. In the old days, on rock wells, we would pour the cement down the inside of the casing. Then we would insert a wooden plug and shove it down the casing until the cement came to the surface then shut the rig down and go home. The next morning we would drill the rest of the cement out and finish drilling the well. In later years abouit 30% of our wells were so deep or big that we would get Haliburton to pump the grout for us.