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“We completed the remaining bores without issue,” says Rice. “The new steering head made it possible to push our way through the cobble and allowed us to redirect the casing and monitor the gradient and alignment of the bore path as we were going along. Another impressive feature of the system is that it helps minimize any deviations. This was really important given the rock-laden conditions and the fact that we had such strict tolerances for alignment and grade.
“We proceeded cautiously after making the change to the new steering head because of the alignment and grade,” Rice explains. “But our production rates increased dramatically and we were able to maintain that productivity with less than five inches of deviation.”
FOR MORE INFO:
Aaron Enterprises, (717) 854-2641, www.aaronenterprises.com
McLaughlin, (800) 435-9340, www.mightymole.com