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Intersect Drilling Pioneered by Prime Horizontal

November 8, 2011 by  
Filed under Prime Blog

Since 2003 Prime has pioneered underground intersect drilling, in which pilot holes are drilled from both the entry side of a crossing and the exit side of a crossing usually simultaneously with two drill rigs and meet underground in the middle of the track. To date Prime’s track record is a 100% success rate having completed more than 50 intersect projects, setting several world records along the way. Prime has completed intersect projects with heavy gravels on both sides of a crossing, to lower annular pressures in alluvial formations and to complete long reach HDD projects (more than 1,000 meter lengths).